/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#define ZEND_INTENSIVE_DEBUGGING 0

#include <stdio.h>
#include <signal.h>

#include "zend.h"
#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_API.h"
#include "zend_ptr_stack.h"
#include "zend_constants.h"
#include "zend_extensions.h"
#include "zend_fast_cache.h"
#include "zend_execute_locks.h"
#include "zend_ini.h"

#define get_zval_ptr(node, Ts, should_free, type) _get_zval_ptr(node, Ts, should_free TSRMLS_CC)
#define get_zval_ptr_ptr(node, Ts, type) _get_zval_ptr_ptr(node, Ts TSRMLS_CC)

/* Prototypes */
static void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC);
static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC);

#define RETURN_VALUE_USED(opline) (!((opline)->result.u.EA.type & EXT_TYPE_UNUSED))

#define EX_T(offset) (*(temp_variable *)((char *) EX(Ts) + offset))
#define T(offset) (*(temp_variable *)((char *) Ts + offset))

static inline zval *_get_zval_ptr(znode *node, temp_variable *Ts, zval **should_free TSRMLS_DC)
{
	switch (node->op_type) {
		case IS_CONST:
			*should_free = 0;
			return &node->u.constant;
			break;
		case IS_TMP_VAR:
			return *should_free = &T(node->u.var).tmp_var;
			break;
		case IS_VAR:
			if (T(node->u.var).var.ptr) {
				PZVAL_UNLOCK(T(node->u.var).var.ptr);
				*should_free = 0;
				return T(node->u.var).var.ptr;
			} else {
				*should_free = &T(node->u.var).tmp_var;

				switch (T(node->u.var).EA.type) {
					case IS_STRING_OFFSET: {
							temp_variable *T = &T(node->u.var);
							zval *str = T->EA.data.str_offset.str;

							if (T->EA.data.str_offset.str->type != IS_STRING
								|| (T->EA.data.str_offset.offset<0)
								|| (T->EA.data.str_offset.str->value.str.len <= T->EA.data.str_offset.offset)) {
								zend_error(E_NOTICE, "Uninitialized string offset:  %d", T->EA.data.str_offset.offset);
								T->tmp_var.value.str.val = empty_string;
								T->tmp_var.value.str.len = 0;
							} else {
								char c = str->value.str.val[T->EA.data.str_offset.offset];

								T->tmp_var.value.str.val = estrndup(&c, 1);
								T->tmp_var.value.str.len = 1;
							}
							PZVAL_UNLOCK(str);
							T->tmp_var.refcount=1;
							T->tmp_var.is_ref=1;
							T->tmp_var.type = IS_STRING;
							return &T->tmp_var;
						}
						break;
				}
			}
			break;
		case IS_UNUSED:
			*should_free = 0;
			return NULL;
			break;
		EMPTY_SWITCH_DEFAULT_CASE()
	}
	return NULL;
}

static inline zval **_get_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC)
{
	if (node->op_type==IS_VAR) {
		if (T(node->u.var).var.ptr_ptr) {
			PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr);
		} else if (T(node->u.var).EA.type==IS_STRING_OFFSET) {
			PZVAL_UNLOCK(T(node->u.var).EA.data.str_offset.str);
		}
		return T(node->u.var).var.ptr_ptr;
	} else {
		return NULL;
	}
}

static inline zval **zend_fetch_property_address_inner(zval *object, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
	zval *prop_ptr = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
	zval **retval = NULL;
	zval tmp;


	switch (op2->op_type) {
		case IS_CONST:
			/* already a constant string */
			break;
		case IS_VAR:
			tmp = *prop_ptr;
			zval_copy_ctor(&tmp);
			convert_to_string(&tmp);
			prop_ptr = &tmp;
			break;
		case IS_TMP_VAR:
			convert_to_string(prop_ptr);
			break;
	}

	if (Z_OBJ_HT_P(object)->get_property_ptr != NULL) {
		retval = Z_OBJ_HT_P(object)->get_property_ptr(object, prop_ptr TSRMLS_CC);
	}

	if (retval == NULL) {
		zend_error(E_WARNING, "This object doesn't support property references");
		retval = &EG(error_zval_ptr);
	}
	
	if (prop_ptr == &tmp) {
		zval_dtor(prop_ptr);
	}
	FREE_OP(Ts, op2, EG(free_op2));
	return retval;
}



static inline void zend_switch_free(zend_op *opline, temp_variable *Ts TSRMLS_DC)
{
	switch (opline->op1.op_type) {
		case IS_VAR:
			if (!T(opline->op1.u.var).var.ptr_ptr) {
				get_zval_ptr(&opline->op1, Ts, &EG(free_op1), BP_VAR_R);
				FREE_OP(Ts, &opline->op1, EG(free_op1));
			} else {
				zval_ptr_dtor(&T(opline->op1.u.var).var.ptr);
				if (opline->extended_value) { /* foreach() free */
					zval_ptr_dtor(&T(opline->op1.u.var).var.ptr);
				}
			}
			break;
		case IS_TMP_VAR:
			zendi_zval_dtor(T(opline->op1.u.var).tmp_var);
			break;
		EMPTY_SWITCH_DEFAULT_CASE()
	}
}

void zend_assign_to_variable_reference(znode *result, zval **variable_ptr_ptr, zval **value_ptr_ptr, temp_variable *Ts TSRMLS_DC)
{
	zval *variable_ptr;
	zval *value_ptr;

	if (!value_ptr_ptr || !variable_ptr_ptr) {
		zend_error(E_ERROR, "Cannot create references to/from string offsets nor overloaded objects");
		return;
	}

	variable_ptr = *variable_ptr_ptr;
	value_ptr = *value_ptr_ptr;

	if (variable_ptr == EG(error_zval_ptr) || value_ptr==EG(error_zval_ptr)) {
		variable_ptr_ptr = &EG(uninitialized_zval_ptr);
	} else if (variable_ptr != value_ptr) {
		variable_ptr->refcount--;
		if (variable_ptr->refcount==0) {
			zendi_zval_dtor(*variable_ptr);
			FREE_ZVAL(variable_ptr);
		}

		if (!PZVAL_IS_REF(value_ptr)) {
			/* break it away */
			value_ptr->refcount--;
			if (value_ptr->refcount>0) {
				ALLOC_ZVAL(*value_ptr_ptr);
				**value_ptr_ptr = *value_ptr;
				value_ptr = *value_ptr_ptr;
				zendi_zval_copy_ctor(*value_ptr);
			}
			value_ptr->refcount = 1;
			value_ptr->is_ref = 1;
		}

		*variable_ptr_ptr = value_ptr;
		value_ptr->refcount++;
	} else if (!variable_ptr->is_ref) {
		if (variable_ptr_ptr == value_ptr_ptr) {
			SEPARATE_ZVAL(variable_ptr_ptr);
		} else if (variable_ptr==EG(uninitialized_zval_ptr)
			|| variable_ptr->refcount>2) {
			/* we need to separate */
			variable_ptr->refcount -= 2;
			ALLOC_ZVAL(*variable_ptr_ptr);
			**variable_ptr_ptr = *variable_ptr;
			zval_copy_ctor(*variable_ptr_ptr);
			*value_ptr_ptr = *variable_ptr_ptr;
			(*variable_ptr_ptr)->refcount = 2;
		}
		(*variable_ptr_ptr)->is_ref = 1;
	}

	if (result && !(result->u.EA.type & EXT_TYPE_UNUSED)) {
		T(result->u.var).var.ptr_ptr = variable_ptr_ptr;
		SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result);
		AI_USE_PTR(T(result->u.var).var);
	}
}

static inline void make_real_object(zval **object_ptr TSRMLS_DC)
{
/* this should modify object only if it's empty */
	if ((*object_ptr)->type == IS_NULL
		|| ((*object_ptr)->type == IS_BOOL && (*object_ptr)->value.lval==0)
		|| ((*object_ptr)->type == IS_STRING && (*object_ptr)->value.str.len == 0)) {
		if (!PZVAL_IS_REF(*object_ptr)) {
			SEPARATE_ZVAL(object_ptr);
		}
		zend_error(E_NOTICE, "Creating default object from empty value");
		object_init(*object_ptr);
	}
}

static inline zval **get_obj_zval_ptr_ptr(znode *op, temp_variable *Ts, int type TSRMLS_DC)
{
	if (op->op_type == IS_UNUSED) {
		if (EG(This)) {
			/* this should actually never be modified, _ptr_ptr is modified only when
			   the object is empty */
			return &EG(This);
		} else {
			zend_error(E_ERROR, "Using $this when not in object context");
		}
	}
	return get_zval_ptr_ptr(op, Ts, type);
}

static inline zval *get_obj_zval_ptr(znode *op, temp_variable *Ts, zval **freeop, int type TSRMLS_DC)
{
	if (op->op_type == IS_UNUSED) {
		if (EG(This)) {
			return EG(This);
		} else {
			zend_error(E_ERROR, "Using $this when not in object context");
		}
	}
	return get_zval_ptr(op, Ts, freeop, type);
}

static inline void zend_assign_to_object(znode *result, zval **object_ptr, znode *op2, znode *value_op, temp_variable *Ts, int opcode TSRMLS_DC)
{
	zval *object;
	zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
	zval *free_value;
	zval *value = get_zval_ptr(value_op, Ts, &free_value, BP_VAR_R);
	zval tmp;
	zval **retval = &T(result->u.var).var.ptr;

	make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */
	object = *object_ptr;
	
	if (object->type != IS_OBJECT) {
		zend_error(E_WARNING, "Attempt to assign property of non-object");
		FREE_OP(Ts, op2, EG(free_op2));
		*retval = EG(uninitialized_zval_ptr);

		SELECTIVE_PZVAL_LOCK(*retval, result);
		PZVAL_UNLOCK(value);
		return;
	}
	
	/* here we are sure we are dealing with an object */
	switch (op2->op_type) {
		case IS_CONST:
			/* already a constant string */
			break;
		case IS_VAR:
			tmp = *property;
			zval_copy_ctor(&tmp);
			convert_to_string(&tmp);
			property = &tmp;
			break;
		case IS_TMP_VAR:
			convert_to_string(property);
			break;
	}

	if (EG(implicit_clone)) {
		SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
		object = *object_ptr;
	}
	/* by now, property is a string */


	/* separate our value if necessary */
	if (value_op->op_type == IS_TMP_VAR) {
		zval *orig_value = value;

		ALLOC_ZVAL(value);
		*value = *orig_value;
		value->is_ref = 0;
		value->refcount = 0;
	}
	if (opcode == ZEND_ASSIGN_OBJ) {
		Z_OBJ_HT_P(object)->write_property(object, property, value TSRMLS_CC);
	} else {
		if (!Z_OBJ_HT_P(object)->write_dimension) {
			zend_error(E_ERROR, "Cannot use object as array");
		}
		Z_OBJ_HT_P(object)->write_dimension(object, property, value TSRMLS_CC);
	}
	if (property == &tmp) {
		zval_dtor(property);
	}
	
	FREE_OP(Ts, op2, EG(free_op2));
	if (result) {
		T(result->u.var).var.ptr = value;
		T(result->u.var).var.ptr_ptr = NULL; /* see if we can nuke this */
		SELECTIVE_PZVAL_LOCK(value, result);
	}
}


static inline void zend_assign_to_variable(znode *result, znode *op1, znode *op2, zval *value, int type, temp_variable *Ts TSRMLS_DC)
{
	zval **variable_ptr_ptr = get_zval_ptr_ptr(op1, Ts, BP_VAR_W);
	zval *variable_ptr;
	
	if (!variable_ptr_ptr) {
		switch (T(op1->u.var).EA.type) {
			case IS_STRING_OFFSET: {
					temp_variable *T = &T(op1->u.var);

					if (T->EA.data.str_offset.str->type == IS_STRING) do {
						zval tmp;
						zval *final_value = value;

						if (((int)T->EA.data.str_offset.offset < 0)) {
							zend_error(E_WARNING, "Illegal string offset:  %d", T->EA.data.str_offset.offset);
							break;
						}
						if (T->EA.data.str_offset.offset >= T->EA.data.str_offset.str->value.str.len) {
							zend_uint i;

							if (T->EA.data.str_offset.str->value.str.len==0) {
								STR_FREE(T->EA.data.str_offset.str->value.str.val);
								T->EA.data.str_offset.str->value.str.val = (char *) emalloc(T->EA.data.str_offset.offset+1+1);
							} else {
								T->EA.data.str_offset.str->value.str.val = (char *) erealloc(T->EA.data.str_offset.str->value.str.val, T->EA.data.str_offset.offset+1+1);
							}
							for (i=T->EA.data.str_offset.str->value.str.len; i<T->EA.data.str_offset.offset; i++) {
								T->EA.data.str_offset.str->value.str.val[i] = ' ';
							}
							T->EA.data.str_offset.str->value.str.val[T->EA.data.str_offset.offset+1] = 0;
							T->EA.data.str_offset.str->value.str.len = T->EA.data.str_offset.offset+1;
						}

						if (value->type!=IS_STRING) {
							tmp = *value;
							if (op2 && op2->op_type == IS_VAR) {
								zval_copy_ctor(&tmp);
							}
							convert_to_string(&tmp);
							final_value = &tmp;
						}

						T->EA.data.str_offset.str->value.str.val[T->EA.data.str_offset.offset] = final_value->value.str.val[0];
						
						if (op2) {
							if (op2->op_type == IS_VAR) {
								if (value == &T(op2->u.var).tmp_var) {
									if (result->u.EA.type & EXT_TYPE_UNUSED) {
										/* We are not going to use return value, drop it */
										STR_FREE(value->value.str.val);
									} else {
										/* We are going to use return value, make it real zval */
										ALLOC_ZVAL(value);
										*value = T(op2->u.var).tmp_var;
										value->is_ref = 0;
										value->refcount = 0; /* LOCK will increase it */
									}
								}
							} else {
								if (final_value == &T(op2->u.var).tmp_var) {
									/* we can safely free final_value here
									 * because separation is done only
									 * in case op2->op_type == IS_VAR */
									STR_FREE(final_value->value.str.val);
								}
							}
						}
						if (final_value == &tmp) {
							zval_dtor(final_value);
						}
						/*
						 * the value of an assignment to a string offset is undefined
						T(result->u.var).var = &T->EA.data.str_offset.str;
						*/
					} while (0);
					/* zval_ptr_dtor(&T->EA.data.str_offset.str); Nuke this line if it doesn't cause a leak */
					T->tmp_var.type = IS_STRING;
				}
				break;
			EMPTY_SWITCH_DEFAULT_CASE()
		}
/*		T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); */
		T(result->u.var).var.ptr_ptr = &value;
		SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
		AI_USE_PTR(T(result->u.var).var);
		return;
	}

	variable_ptr = *variable_ptr_ptr;

	if (variable_ptr == EG(error_zval_ptr)) {
		if (result) {
			T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
			SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
			AI_USE_PTR(T(result->u.var).var);
		}
		if (type==IS_TMP_VAR) {
			zval_dtor(value);
		}
		return;
	}
	
	if (PZVAL_IS_REF(variable_ptr)) {
		if (variable_ptr!=value) {
			zend_uint refcount = variable_ptr->refcount;
			zval garbage;
	
			if (type!=IS_TMP_VAR) {
				value->refcount++;
			}
			garbage = *variable_ptr;
			*variable_ptr = *value;
			variable_ptr->refcount = refcount;
			variable_ptr->is_ref = 1;
			if (type!=IS_TMP_VAR) {
				zendi_zval_copy_ctor(*variable_ptr);
				value->refcount--;
			}
			zendi_zval_dtor(garbage);
		}
	} else {
		variable_ptr->refcount--;
		if (variable_ptr->refcount==0) {
			switch (type) {
				case IS_VAR:
					/* break missing intentionally */
				case IS_CONST:
					if (variable_ptr==value) {
						variable_ptr->refcount++;
					} else if (PZVAL_IS_REF(value)) {
						zval tmp;

						tmp = *value;
						zval_copy_ctor(&tmp);
						tmp.refcount=1;
						zendi_zval_dtor(*variable_ptr);
						*variable_ptr = tmp;
					} else {
						value->refcount++;
						zendi_zval_dtor(*variable_ptr);
						safe_free_zval_ptr(variable_ptr);
						*variable_ptr_ptr = value;
					}
					break;
				case IS_TMP_VAR:
					zendi_zval_dtor(*variable_ptr);
					value->refcount=1;
					*variable_ptr = *value;
					break;
				EMPTY_SWITCH_DEFAULT_CASE()
			}
		} else { /* we need to split */
			switch (type) {
				case IS_VAR:
					/* break missing intentionally */
				case IS_CONST:
					if (PZVAL_IS_REF(value) && value->refcount > 0) {
						ALLOC_ZVAL(variable_ptr);
						*variable_ptr_ptr = variable_ptr;
						*variable_ptr = *value;
						zval_copy_ctor(variable_ptr);
						variable_ptr->refcount=1;
						break;
					}
					*variable_ptr_ptr = value;
					value->refcount++;
					break;
				case IS_TMP_VAR:
					ALLOC_ZVAL(*variable_ptr_ptr);
					value->refcount=1;
					**variable_ptr_ptr = *value;
					break;
				EMPTY_SWITCH_DEFAULT_CASE()
			}
		}
		(*variable_ptr_ptr)->is_ref=0;
	}
	if (result) {
		T(result->u.var).var.ptr_ptr = variable_ptr_ptr;
		SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result);
		AI_USE_PTR(T(result->u.var).var);
	} 
}


/* Utility Functions for Extensions */
static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
{
	if (extension->statement_handler) {
		extension->statement_handler(op_array);
	}
}


static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
{
	if (extension->fcall_begin_handler) {
		extension->fcall_begin_handler(op_array);
	}
}


static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
{
	if (extension->fcall_end_handler) {
		extension->fcall_end_handler(op_array);
	}
}


static void print_refcount(zval *p, char *str)
{
	print_refcount(NULL, NULL);
}


static inline HashTable *zend_get_target_symbol_table(zend_op *opline, temp_variable *Ts, int type, zval *variable TSRMLS_DC)
{
	switch (opline->op2.u.EA.type) {
		case ZEND_FETCH_LOCAL:
			return EG(active_symbol_table);
			break;
		case ZEND_FETCH_GLOBAL:
			return &EG(symbol_table);
			break;
		case ZEND_FETCH_STATIC:
			if (!EG(active_op_array)->static_variables) {
				ALLOC_HASHTABLE(EG(active_op_array)->static_variables);
				zend_hash_init(EG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0);
			}
			return EG(active_op_array)->static_variables;
			break;
		EMPTY_SWITCH_DEFAULT_CASE()
	}
	return NULL;
}


static void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC)
{
	zval *free_op1;
	zval *varname = get_zval_ptr(&opline->op1, Ts, &free_op1, BP_VAR_R);
	zval **retval;
	zval tmp_varname;
	HashTable *target_symbol_table;
	zend_bool free_tmp = 0;

 	if (varname->type != IS_STRING) {
		tmp_varname = *varname;
		zval_copy_ctor(&tmp_varname);
		convert_to_string(&tmp_varname);
		varname = &tmp_varname;
		free_tmp = 1;
	}

	if (opline->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
		target_symbol_table = NULL;
		retval = zend_std_get_static_property(T(opline->op2.u.var).EA.class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 0 TSRMLS_CC);
	} else {
		if (opline->op2.u.EA.type == ZEND_FETCH_GLOBAL && opline->op1.op_type == IS_VAR) {
			varname->refcount++;
		}
		target_symbol_table = zend_get_target_symbol_table(opline, Ts, type, varname TSRMLS_CC);
		if (!target_symbol_table) {
			return;
		}
		if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &retval) == FAILURE) {
			switch (type) {
				case BP_VAR_R: 
					zend_error(E_NOTICE,"Undefined variable:  %s", varname->value.str.val);
					/* break missing intentionally */
				case BP_VAR_IS:
					retval = &EG(uninitialized_zval_ptr);
					break;
				case BP_VAR_RW:
					zend_error(E_NOTICE,"Undefined variable:  %s", varname->value.str.val);
					/* break missing intentionally */
				case BP_VAR_W: {					
						zval *new_zval = &EG(uninitialized_zval);

						new_zval->refcount++;
						zend_hash_update(target_symbol_table, varname->value.str.val, varname->value.str.len+1, &new_zval, sizeof(zval *), (void **) &retval);
					}
					break;
				EMPTY_SWITCH_DEFAULT_CASE()
			}
		}
		switch (opline->op2.u.EA.type) {
			case ZEND_FETCH_LOCAL:
				FREE_OP(Ts, &opline->op1, free_op1);
				break;
			case ZEND_FETCH_STATIC:
				zval_update_constant(retval, (void *) 1 TSRMLS_CC);
				break;
		}
	}


	if (free_tmp) {
		zval_dtor(varname);
	}
	T(opline->result.u.var).var.ptr_ptr = retval;
	SELECTIVE_PZVAL_LOCK(*retval, &opline->result);
}


static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
	zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
	zval **retval;
	char *offset_key;
	int offset_key_length;

	switch (dim->type) {
		case IS_NULL:
			offset_key = "";
			offset_key_length = 0;
			goto fetch_string_dim;
		case IS_STRING:
			
			offset_key = dim->value.str.val;
			offset_key_length = dim->value.str.len;
			
fetch_string_dim:
			if (zend_symtable_find(ht, offset_key, offset_key_length+1, (void **) &retval) == FAILURE) {
				switch (type) {
					case BP_VAR_R: 
						zend_error(E_NOTICE,"Undefined index:  %s", offset_key);
						/* break missing intentionally */
					case BP_VAR_IS:
						retval = &EG(uninitialized_zval_ptr);
						break;
					case BP_VAR_RW:
						zend_error(E_NOTICE,"Undefined index:  %s", offset_key);
						/* break missing intentionally */
					case BP_VAR_W: {
							zval *new_zval = &EG(uninitialized_zval);

							new_zval->refcount++;
							zend_symtable_update(ht, offset_key, offset_key_length+1, &new_zval, sizeof(zval *), (void **) &retval);
						}
						break;
				}
			}
			break;
		case IS_DOUBLE:
		case IS_RESOURCE:
		case IS_BOOL: 
		case IS_LONG: {
				long index;

				if (dim->type == IS_DOUBLE) {
					index = (long)dim->value.dval;
				} else {
					index = dim->value.lval;
				}
				if (zend_hash_index_find(ht, index, (void **) &retval) == FAILURE) {
					switch (type) {
						case BP_VAR_R: 
							zend_error(E_NOTICE,"Undefined offset:  %d", index);
							/* break missing intentionally */
						case BP_VAR_IS:
							retval = &EG(uninitialized_zval_ptr);
							break;
						case BP_VAR_RW:
							zend_error(E_NOTICE,"Undefined offset:  %d", index);
							/* break missing intentionally */
						case BP_VAR_W: {
							zval *new_zval = &EG(uninitialized_zval);

							new_zval->refcount++;
							zend_hash_index_update(ht, index, &new_zval, sizeof(zval *), (void **) &retval);
						}
						break;
					}
				}
			}
			break;
		default: 
			zend_error(E_WARNING, "Illegal offset type");
			if (type == BP_VAR_R || type == BP_VAR_IS) {
				retval = &EG(uninitialized_zval_ptr);
			} else {
				retval = &EG(error_zval_ptr);
			}
			break;
	}
	FREE_OP(Ts, op2, EG(free_op2));
	return retval;
}

static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
	zval **container_ptr = get_zval_ptr_ptr(op1, Ts, type);
	zval *container;
	zval ***retval = &T(result->u.var).var.ptr_ptr;

	if (!container_ptr) {
		if (T(op1->u.var).EA.type == IS_STRING_OFFSET) {
			zval *offset;
			zend_error(E_WARNING, "Cannot use string offset as an array");

			offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
			FREE_OP(Ts, op2, EG(free_op2));
		}
		*retval = &EG(error_zval_ptr);
		SELECTIVE_PZVAL_LOCK(**retval, result);
		return;
	}
	
	container = *container_ptr;

	if (container == EG(error_zval_ptr)) {
		*retval = &EG(error_zval_ptr);
		SELECTIVE_PZVAL_LOCK(**retval, result);
		return;
	}

	if (container->type==IS_NULL
		|| (container->type==IS_BOOL && container->value.lval==0)
		|| (container->type==IS_STRING && container->value.str.len==0)) {
		switch (type) {
			case BP_VAR_RW:
			case BP_VAR_W:
				if (!PZVAL_IS_REF(container)) {
					SEPARATE_ZVAL(container_ptr);
					container = *container_ptr;
				}
				array_init(container);
				break;
		}
	}

	switch (container->type) {
		case IS_ARRAY:
			if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) {
				SEPARATE_ZVAL(container_ptr);
				container = *container_ptr;
			}
			if (op2->op_type == IS_UNUSED) {
				zval *new_zval = &EG(uninitialized_zval);

				new_zval->refcount++;
				if (zend_hash_next_index_insert(container->value.ht, &new_zval, sizeof(zval *), (void **) retval) == FAILURE) {
					zend_error(E_WARNING, "Cannot add element to the array as the next element is already occupied");
					*retval = &EG(uninitialized_zval_ptr);
					new_zval->refcount--; 
				}
			} else {
				*retval = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, type TSRMLS_CC);
			}
			SELECTIVE_PZVAL_LOCK(**retval, result);
			break;
		case IS_NULL:
			/* for read-mode only */
			get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
			*retval = &EG(uninitialized_zval_ptr);
			SELECTIVE_PZVAL_LOCK(**retval, result);
			FREE_OP(Ts, op2, EG(free_op2));
			if (type==BP_VAR_W || type==BP_VAR_RW) {
				zend_error(E_WARNING, "Cannot use a NULL value as an array");
			}
			break;
		case IS_STRING: {
				zval *offset;
				zval tmp;

				if (op2->op_type==IS_UNUSED) {
					zend_error(E_ERROR, "[] operator not supported for strings");
				}

				offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);

				if (offset->type != IS_LONG) {
					tmp = *offset;
					zval_copy_ctor(&tmp);
					convert_to_long(&tmp);
					offset = &tmp;
				}
				if (type!=BP_VAR_R && type!=BP_VAR_IS) {
					SEPARATE_ZVAL_IF_NOT_REF(container_ptr);
				}
				container = *container_ptr;
				T(result->u.var).EA.data.str_offset.str = container;
				PZVAL_LOCK(container);
				T(result->u.var).EA.data.str_offset.offset = offset->value.lval;
				T(result->u.var).EA.type = IS_STRING_OFFSET;
				FREE_OP(Ts, op2, EG(free_op2));
				*retval = NULL;
				return;
			}
			break;
		case IS_OBJECT:
			if (type == BP_VAR_R) {
				if (!Z_OBJ_HT_P(container)->read_dimension) {
					zend_error(E_ERROR, "Cannot use object as array");
				} else {
					zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
					zval *overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim TSRMLS_CC);
					 
					*retval = &overloaded_result;
					AI_USE_PTR(T(result->u.var).var);
					FREE_OP(Ts, op2, EG(free_op2));
					SELECTIVE_PZVAL_LOCK(**retval, result);
				}
			}
			break;
		default: {
				zval *offset;

				offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
				if (type==BP_VAR_R || type==BP_VAR_IS) {
					*retval = &EG(uninitialized_zval_ptr);
				} else {
					*retval = &EG(error_zval_ptr);
				}
				FREE_OP(Ts, op2, EG(free_op2));
				SELECTIVE_PZVAL_LOCK(**retval, result);
				if (type==BP_VAR_W || type==BP_VAR_RW) {
					zend_error(E_WARNING, "Cannot use a scalar value as an array");
				}
			}
			break;
	}
}


static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC)
{
	zval *free_op1;
	zval *container = get_zval_ptr(op1, Ts, &free_op1, BP_VAR_R);

	if (container->type != IS_ARRAY) {
		T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
		SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
		return;
	}

	T(result->u.var).var.ptr_ptr = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, BP_VAR_R TSRMLS_CC);
	SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
}

static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
	zval **container_ptr = get_obj_zval_ptr_ptr(op1, Ts, type TSRMLS_CC);
	zval *container;
	zval ***retval = &T(result->u.var).var.ptr_ptr;
	
	container = *container_ptr;
	if (container == EG(error_zval_ptr)) {
		*retval = &EG(error_zval_ptr);
		SELECTIVE_PZVAL_LOCK(**retval, result);
		return;
	}
	/* this should modify object only if it's empty */
	if (container->type == IS_NULL
		|| (container->type == IS_BOOL && container->value.lval==0)
		|| (container->type == IS_STRING && container->value.str.len == 0)) {
		switch (type) {
			case BP_VAR_RW:
			case BP_VAR_W:
				if (!PZVAL_IS_REF(container)) {
					SEPARATE_ZVAL(container_ptr);
					container = *container_ptr;
				}
				object_init(container);
				break;
		}
	}
	
	if (container->type != IS_OBJECT) {
		zval *offset;
		
		offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
		FREE_OP(Ts, op2, EG(free_op2));
		if (type == BP_VAR_R || type == BP_VAR_IS) {
			*retval = &EG(uninitialized_zval_ptr);
		} else {
			*retval = &EG(error_zval_ptr);
		}
		SELECTIVE_PZVAL_LOCK(**retval, result);
		return;
	}
	
	
	if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) {
		SEPARATE_ZVAL(container_ptr);
		container = *container_ptr;
	}
	*retval = zend_fetch_property_address_inner(container, op2, Ts, type TSRMLS_CC);
	SELECTIVE_PZVAL_LOCK(**retval, result);
}

static void zend_fetch_property_address_read(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
	zval *container;
	zval **retval;

	retval = &T(result->u.var).var.ptr;
	T(result->u.var).var.ptr_ptr = retval;

	container = get_obj_zval_ptr(op1, Ts, &EG(free_op1), type TSRMLS_CC);

	if (container == EG(error_zval_ptr)) {
		*retval = EG(error_zval_ptr);
		SELECTIVE_PZVAL_LOCK(*retval, result);
		return;
	}

	
	if (container->type != IS_OBJECT) {
		zend_error(E_NOTICE, "Trying to get property of non-object");

		if (type==BP_VAR_R || type==BP_VAR_IS) {
			*retval = EG(uninitialized_zval_ptr);
		} else {
			*retval = EG(error_zval_ptr);
		}
	} else {
		zval *offset;
		zval tmp;
		
		offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
		switch (op2->op_type) {
			case IS_CONST:
				/* already a constant string */
				break;
			case IS_VAR:
				tmp = *offset;
				zval_copy_ctor(&tmp);
				convert_to_string(&tmp);
				offset = &tmp;
				break;
			case IS_TMP_VAR:
				convert_to_string(offset);
				break;
		}

		/* here we are sure we are dealing with an object */
		*retval = Z_OBJ_HT_P(container)->read_property(container, offset, (zend_bool) ((type==BP_VAR_IS) ? 1 : 0) TSRMLS_CC);
		if (offset == &tmp) {
			zval_dtor(offset);
		}
		FREE_OP(Ts, op2, EG(free_op2));
	}
	
	SELECTIVE_PZVAL_LOCK(*retval, result);
	return;
}

static void zend_pre_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC)
{
	zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC);
	zval *object;
	zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
	zval **retval = &T(result->u.var).var.ptr;
	int have_get_ptr = 0;

	make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */
	object = *object_ptr;
	
	if (object->type != IS_OBJECT) {
		zend_error(E_WARNING, "Attempt to increment/decrement property of non-object");
		FREE_OP(Ts, op2, EG(free_op2));
		*retval = EG(uninitialized_zval_ptr);

		SELECTIVE_PZVAL_LOCK(*retval, result);
		return;
	}
	
	/* here we are sure we are dealing with an object */

	if (Z_OBJ_HT_P(object)->get_property_zval_ptr) {
		zval **zptr = Z_OBJ_HT_P(object)->get_property_zval_ptr(object, property TSRMLS_CC);
		if (zptr != NULL) { 			/* NULL means no success in getting PTR */
			SEPARATE_ZVAL_IF_NOT_REF(zptr);

			have_get_ptr = 1;
			incdec_op(*zptr);
			*retval = *zptr;
			SELECTIVE_PZVAL_LOCK(*retval, result);
		}
	}

	if (!have_get_ptr) {
		zval *z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
		SEPARATE_ZVAL_IF_NOT_REF(&z);
		incdec_op(z);
		Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
		if (z->refcount <= 1) {
			zval_dtor(z);
		}
	}
	
	FREE_OP(Ts, op2, EG(free_op2));
}

static void zend_post_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC)
{
	zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC);
	zval *object;
	zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
	zval *retval = &T(result->u.var).tmp_var;
	int have_get_ptr = 0;

	make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */
	object = *object_ptr;
	
	if (object->type != IS_OBJECT) {
		zend_error(E_WARNING, "Attempt to increment/decrement property of non-object");
		FREE_OP(Ts, op2, EG(free_op2));
		*retval = *EG(uninitialized_zval_ptr);
		return;
	}
	
	/* here we are sure we are dealing with an object */

	if (Z_OBJ_HT_P(object)->get_property_zval_ptr) {
		zval **zptr = Z_OBJ_HT_P(object)->get_property_zval_ptr(object, property TSRMLS_CC);
		if (zptr != NULL) { 			/* NULL means no success in getting PTR */
			have_get_ptr = 1;
			SEPARATE_ZVAL_IF_NOT_REF(zptr);
			
			*retval = **zptr;
			zendi_zval_copy_ctor(*retval);
			
			incdec_op(*zptr);

		}
	}

	if (!have_get_ptr) {
		zval *z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
		SEPARATE_ZVAL_IF_NOT_REF(&z);
		*retval = *z;
		zendi_zval_copy_ctor(*retval);
		incdec_op(z);
		Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
		if (z->refcount <= 1) {
			zval_dtor(z);
		}
	}
	
	FREE_OP(Ts, op2, EG(free_op2));
}


#if ZEND_INTENSIVE_DEBUGGING

#define CHECK_SYMBOL_TABLES()														\
	zend_hash_apply(&EG(symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC);	\
	if (&EG(symbol_table)!=EG(active_symbol_table)) {								\
		zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC);	\
	}

static int zend_check_symbol(zval **pz TSRMLS_DC)
{
	if (Z_TYPE_PP(pz) > 9) {
		fprintf(stderr, "Warning!  %x has invalid type!\n", *pz);
	} else if (Z_TYPE_PP(pz) == IS_ARRAY) {
		zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
	} else if (Z_TYPE_PP(pz) == IS_OBJECT) {
		
		/* OBJ-TBI - doesn't support new object model! */
		zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
	}

	return 0;
}


#else
#define CHECK_SYMBOL_TABLES()
#endif

#define NEXT_OPCODE()		\
	CHECK_SYMBOL_TABLES()	\
	EX(opline)++;			\
	return 0; /* CHECK_ME */

#define RETURN_FROM_EXECUTE_LOOP(execute_data)								\
	free_alloca(EX(Ts));													\
	EG(in_execution) = EX(original_in_execution);							\
	EG(current_execute_data) = EX(prev_execute_data);						\
	return 1; /* CHECK_ME */

opcode_handler_t zend_opcode_handlers[512];

ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC)
{
	((zend_internal_function *) execute_data_ptr->function_state.function)->handler(execute_data_ptr->opline->extended_value, (*(temp_variable *)((char *) execute_data_ptr->Ts + execute_data_ptr->opline->result.u.var)).var.ptr, execute_data_ptr->object, return_value_used TSRMLS_CC);
}

ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
{
	zend_execute_data execute_data;

	/* Initialize execute_data */
	EX(fbc) = NULL;
	EX(object) = NULL;
	EX(Ts) = (temp_variable *) do_alloca(sizeof(temp_variable)*op_array->T);
	EX(op_array) = op_array;
	EX(original_in_execution) = EG(in_execution);
	EX(prev_execute_data) = EG(current_execute_data);
	EG(current_execute_data) = &execute_data;

	EG(in_execution) = 1;
	if (op_array->start_op) {
		EX(opline) = op_array->start_op;
	} else {
		EX(opline) = op_array->opcodes;
	}

	if (op_array->uses_this && EG(This)) {
		EG(This)->refcount++; /* For $this pointer */
		if (zend_hash_add(EG(active_symbol_table), "this", sizeof("this"), &EG(This), sizeof(zval *), NULL)==FAILURE) {
			EG(This)->refcount--;
		}
	}

	EG(opline_ptr) = &EX(opline);

	EX(function_state).function = (zend_function *) op_array;
	EG(function_state_ptr) = &EX(function_state);
#if ZEND_DEBUG
	/* function_state.function_symbol_table is saved as-is to a stack,
	 * which is an intentional UMR.  Shut it up if we're in DEBUG.
	 */
	EX(function_state).function_symbol_table = NULL;
#endif
	
	while (1) {
#ifdef ZEND_WIN32
		if (EG(timed_out)) {
			zend_timeout(0);
		}
#endif

		zend_clean_garbage(TSRMLS_C);
		if (EX(opline)->handler(&execute_data, op_array TSRMLS_CC)) {
			return;
		}
	}
	zend_error(E_ERROR, "Arrived at end of main loop which shouldn't happen");
}

/* CHECK_ME */
#undef EX
#define EX(element) execute_data->element

int zend_add_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	add_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_sub_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	sub_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_mul_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	mul_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_div_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	div_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_mod_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	mod_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_sl_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	shift_left_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_sr_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	shift_right_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_concat_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	concat_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_identical_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_identical_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_not_identical_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_not_identical_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_not_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_not_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_smaller_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_smaller_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_is_smaller_or_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	is_smaller_or_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	bitwise_or_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	bitwise_and_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	bitwise_xor_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_bool_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	boolean_xor_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
		get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	NEXT_OPCODE();
}


int zend_bw_not_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	bitwise_not_function(&EX_T(EX(opline)->result.u.var).tmp_var,
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}


int zend_bool_not_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	boolean_not_function(&EX_T(EX(opline)->result.u.var).tmp_var,
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}


static inline int zend_binary_assign_op_obj_helper(int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC), ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op *op_data = EX(opline)+1;
	zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);
	zval *object;
	zval *property = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	zval *free_value;
	zval *value = get_zval_ptr(&op_data->op1, EX(Ts), &free_value, BP_VAR_R);
	zval tmp;
	znode *result = &EX(opline)->result;
	zval **retval = &EX_T(result->u.var).var.ptr;
	int have_get_ptr = 0;

	EX_T(result->u.var).var.ptr_ptr = NULL;
	make_real_object(object_ptr TSRMLS_CC);
	object = *object_ptr;
	
	if (object->type != IS_OBJECT) {
		zend_error(E_WARNING, "Attempt to assign property of non-object");
		FREE_OP(Ts, op2, EG(free_op2));

		*retval = EG(uninitialized_zval_ptr);

		SELECTIVE_PZVAL_LOCK(*retval, result);
	} else {
		/* here we are sure we are dealing with an object */
		switch (EX(opline)->op2.op_type) {
			case IS_CONST:
				/* already a constant string */
				break;
			case IS_VAR:
				tmp = *property;
				zval_copy_ctor(&tmp);
				convert_to_string(&tmp);
				property = &tmp;
				break;
			case IS_TMP_VAR:
				convert_to_string(property);
				break;
		}

		/* here property is a string */
		if (EX(opline)->extended_value == ZEND_ASSIGN_OBJ
			&& Z_OBJ_HT_P(object)->get_property_zval_ptr) {
			zval **zptr = Z_OBJ_HT_P(object)->get_property_zval_ptr(object, property TSRMLS_CC);
			if (zptr != NULL) { 			/* NULL means no success in getting PTR */
				SEPARATE_ZVAL_IF_NOT_REF(zptr);

				have_get_ptr = 1;
				binary_op(*zptr, *zptr, value TSRMLS_CC);
				*retval = *zptr;
				SELECTIVE_PZVAL_LOCK(*retval, result);
			}
		}

		if (!have_get_ptr) {
			zval *z;
			
			switch (EX(opline)->extended_value) {
				case ZEND_ASSIGN_OBJ:
					z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
					break;
				case ZEND_ASSIGN_DIM:
					z = Z_OBJ_HT_P(object)->read_dimension(object, property TSRMLS_CC);
					break;
			}
			SEPARATE_ZVAL_IF_NOT_REF(&z);
			binary_op(z, z, value TSRMLS_CC);
			switch (EX(opline)->extended_value) {
				case ZEND_ASSIGN_OBJ:
					Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
					break;
				case ZEND_ASSIGN_DIM:
					Z_OBJ_HT_P(object)->write_dimension(object, property, z TSRMLS_CC);
					break;
			}
			*retval = z;
			SELECTIVE_PZVAL_LOCK(*retval, result);
			if (z->refcount <= 1) {
				zval_dtor(z);
			}
		}

		if (property == &tmp) {
			zval_dtor(property);
		}
		
		FREE_OP(Ts, op2, EG(free_op2));
	}

	/* assign_obj has two opcodes! */
	EX(opline)++;
	NEXT_OPCODE();
}


inline int zend_binary_assign_op_helper(void *binary_op_arg, ZEND_OPCODE_HANDLER_ARGS)
{
	zval **var_ptr;
	int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC);

	switch (EX(opline)->extended_value) {
		case ZEND_ASSIGN_OBJ:
		case ZEND_ASSIGN_DIM:
			return zend_binary_assign_op_obj_helper(binary_op_arg, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
			break;
		default:
			/* do nothing */
			break;
	}

	var_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_RW);
	binary_op = binary_op_arg;

	if (!var_ptr) {
		zend_error(E_ERROR, "Cannot use assign-op operators with overloaded objects nor string offsets");
	}

	if (*var_ptr == EG(error_zval_ptr)) {
		EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
		SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr, &EX(opline)->result);
		AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
		NEXT_OPCODE();
	}
	
	SEPARATE_ZVAL_IF_NOT_REF(var_ptr);

	binary_op(*var_ptr, *var_ptr, get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
	EX_T(EX(opline)->result.u.var).var.ptr_ptr = var_ptr;
	SELECTIVE_PZVAL_LOCK(*var_ptr, &EX(opline)->result);
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);

	NEXT_OPCODE();
}


int zend_assign_add_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(add_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_sub_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(sub_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_mul_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(mul_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_div_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(div_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_mod_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(mod_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_sl_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(shift_left_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_sr_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(shift_right_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_concat_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(concat_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(bitwise_or_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(bitwise_and_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_assign_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_binary_assign_op_helper(bitwise_xor_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}

int zend_pre_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_pre_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), increment_function TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_pre_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_pre_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), decrement_function TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_post_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_post_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), increment_function TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_post_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_post_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), decrement_function TSRMLS_CC);
	NEXT_OPCODE();
}


inline int zend_incdec_op_helper(void *incdec_op_arg, ZEND_OPCODE_HANDLER_ARGS)
{
	zval **var_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_RW);
	int (*incdec_op)(zval *op1) = incdec_op_arg;

	if (!var_ptr) {
		zend_error(E_ERROR, "Cannot increment/decrement overloaded objects nor string offsets");
	}
	if (*var_ptr == EG(error_zval_ptr)) {
		EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
		SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr, &EX(opline)->result);
		AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
		NEXT_OPCODE();
	}

	switch (EX(opline)->opcode) {
		case ZEND_POST_INC:
		case ZEND_POST_DEC:
			EX_T(EX(opline)->result.u.var).tmp_var = **var_ptr;
			zendi_zval_copy_ctor(EX_T(EX(opline)->result.u.var).tmp_var);
			break;
	}
	
	SEPARATE_ZVAL_IF_NOT_REF(var_ptr);

	incdec_op(*var_ptr);

	switch (EX(opline)->opcode) {
		case ZEND_PRE_INC:
		case ZEND_PRE_DEC:
			EX_T(EX(opline)->result.u.var).var.ptr_ptr = var_ptr;
			SELECTIVE_PZVAL_LOCK(*var_ptr, &EX(opline)->result);
			AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
			break;
	}
	NEXT_OPCODE();
}


int zend_pre_inc_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_pre_dec_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_post_inc_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_post_dec_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_print_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_print_variable(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
	EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 1;
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_LONG;
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}


int zend_echo_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_print_variable(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}


int zend_fetch_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_W TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_RW TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->extended_value, EX(fbc), EX(fbc)->common.arg_types)) {
		/* Behave like FETCH_W */
		zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_W TSRMLS_CC);
	} else {
		/* Behave like FETCH_R */
		zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
		AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	}
	NEXT_OPCODE();
}


int zend_fetch_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
	PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
		SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	}
	PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	NEXT_OPCODE();
}


int zend_fetch_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_IS TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_dim_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (EX(opline)->extended_value == ZEND_FETCH_ADD_LOCK) {
		PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
	}
	zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_dim_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_dim_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_dim_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_IS TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_dim_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->extended_value, EX(fbc), EX(fbc)->common.arg_types)) {
		/* Behave like FETCH_DIM_W */
		zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
	} else {
		/* Behave like FETCH_DIM_R, except for locking used for list() */
		zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
		AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	}
	NEXT_OPCODE();
}


int zend_fetch_dim_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	/* Not needed in DIM_UNSET
	if (EX(opline)->extended_value == ZEND_FETCH_ADD_LOCK) {
		PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
	}
	*/
	zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
	PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
		SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	}
	PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	NEXT_OPCODE();
}


int zend_fetch_obj_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_obj_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_obj_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_fetch_obj_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_IS TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_fetch_obj_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->extended_value, EX(fbc), EX(fbc)->common.arg_types)) {
		/* Behave like FETCH_OBJ_W */
		zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
	} else {
		zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
		AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	}
	NEXT_OPCODE();
}


int zend_fetch_obj_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);

	PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
		SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	}
	PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
	NEXT_OPCODE();
}


int zend_fetch_dim_tmp_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_fetch_dimension_address_from_tmp_var(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts) TSRMLS_CC);
	AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
	NEXT_OPCODE();
}


int zend_make_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *value, *value2;

	value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	switch (EX(opline)->op1.op_type) {
		case IS_TMP_VAR:
			value2 = value;
			ALLOC_ZVAL(value);
			*value = *value2;
			value->is_ref = 0;
			value->refcount = 0; /* lock will increase this */
			break;
		case IS_CONST:
			value2 = value;
			ALLOC_ZVAL(value);
			*value = *value2;
			zval_copy_ctor(value);
			value->is_ref = 0;
			value->refcount = 0; /* lock will increase this */
			break;
	}
		
	EX_T(EX(opline)->result.u.var).var.ptr = value;
	PZVAL_LOCK(EX_T(EX(opline)->result.u.var).var.ptr);

	NEXT_OPCODE();
}


int zend_assign_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op *op_data = EX(opline)+1;
	zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);

	zend_assign_to_object(&EX(opline)->result, object_ptr, &EX(opline)->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_OBJ TSRMLS_CC);
	/* assign_obj has two opcodes! */
	EX(opline)++;
	NEXT_OPCODE();
}


int zend_assign_dim_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op *op_data = EX(opline)+1;
	zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);

	if ((*object_ptr)->type == IS_OBJECT) {
		zend_assign_to_object(&EX(opline)->result, object_ptr, &EX(opline)->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_DIM TSRMLS_CC);
	} else {
		zval *value;
		zend_op *data_opline = EX(opline)+1;

		(*object_ptr)->refcount++;  /* undo the effect of get_obj_zval_ptr_ptr() */
		zend_fetch_dimension_address(&data_opline->op2, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);

		value = get_zval_ptr(&data_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	 	zend_assign_to_variable(&EX(opline)->result, &data_opline->op2, &data_opline->op1, value, (EG(free_op1)?IS_TMP_VAR:EX(opline)->op1.op_type), EX(Ts) TSRMLS_CC);
	}
	/* assign_dim has two opcodes! */
	EX(opline)++;
	NEXT_OPCODE();
}


int zend_assign_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *value;
	value = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);

 	zend_assign_to_variable(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, value, (EG(free_op2)?IS_TMP_VAR:EX(opline)->op2.op_type), EX(Ts) TSRMLS_CC);
	/* zend_assign_to_variable() always takes care of op2, never free it! */

	NEXT_OPCODE();
}


int zend_assign_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **value_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op2, EX(Ts), BP_VAR_W);

	zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W), value_ptr_ptr, EX(Ts) TSRMLS_CC);

	NEXT_OPCODE();
}


int zend_jmp_handler(ZEND_OPCODE_HANDLER_ARGS)
{				
#if DEBUG_ZEND>=2
	printf("Jumping to %d\n", EX(opline)->op1.u.opline_num);
#endif
	EX(opline) = EX(opline)->op1.u.jmp_addr;
	return 0; /* CHECK_ME */
}


int zend_jmpz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	znode *op1 = &EX(opline)->op1;
					
	if (!i_zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
		printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
		EX(opline) = EX(opline)->op2.u.jmp_addr;
		FREE_OP(EX(Ts), op1, EG(free_op1));
		return 0; /* CHECK_ME */
	}
	FREE_OP(EX(Ts), op1, EG(free_op1));

	NEXT_OPCODE();
}


int zend_jmpnz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	znode *op1 = &EX(opline)->op1;
	
	if (zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
		printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
		EX(opline) = EX(opline)->op2.u.jmp_addr;
		FREE_OP(EX(Ts), op1, EG(free_op1));
		return 0; /* CHECK_ME */
	}
	FREE_OP(EX(Ts), op1, EG(free_op1));

	NEXT_OPCODE();
}


int zend_jmpznz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	znode *res = &EX(opline)->op1;
	
	if (zend_is_true(get_zval_ptr(res, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
		printf("Conditional jmp on true to %d\n", EX(opline)->extended_value);
#endif
		EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
	} else {
#if DEBUG_ZEND>=2
		printf("Conditional jmp on false to %d\n", EX(opline)->op2.u.opline_num);
#endif
		EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
	}
	FREE_OP(EX(Ts), res, EG(free_op1));

	return 0; /* CHECK_ME */
}


int zend_jmpz_ex_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op *original_opline = EX(opline);
	int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
	
	FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1));
	EX_T(original_opline->result.u.var).tmp_var.value.lval = retval;
	EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL;
	if (!retval) {
#if DEBUG_ZEND>=2
		printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
		EX(opline) = EX(opline)->op2.u.jmp_addr;
		return 0; /* CHECK_ME */
	}
	NEXT_OPCODE();
}


int zend_jmpnz_ex_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op *original_opline = EX(opline);
	int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
	
	FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1));
	EX_T(original_opline->result.u.var).tmp_var.value.lval = retval;
	EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL;
	if (retval) {
#if DEBUG_ZEND>=2
		printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
		EX(opline) = EX(opline)->op2.u.jmp_addr;
		return 0; /* CHECK_ME */
	}
	NEXT_OPCODE();
}


int zend_free_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zendi_zval_dtor(EX_T(EX(opline)->op1.u.var).tmp_var);
	NEXT_OPCODE();
}


int zend_init_string_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	EX_T(EX(opline)->result.u.var).tmp_var.value.str.val = emalloc(1);
	EX_T(EX(opline)->result.u.var).tmp_var.value.str.val[0] = 0;
	EX_T(EX(opline)->result.u.var).tmp_var.value.str.len = 0;
	EX_T(EX(opline)->result.u.var).tmp_var.refcount = 1;
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_STRING;
	EX_T(EX(opline)->result.u.var).tmp_var.is_ref = 0;
	NEXT_OPCODE();
}


int zend_add_char_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	add_char_to_string(&EX_T(EX(opline)->result.u.var).tmp_var,
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
		&EX(opline)->op2.u.constant);
	/* FREE_OP is missing intentionally here - we're always working on the same temporary variable */
	NEXT_OPCODE();
}


int zend_add_string_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	add_string_to_string(&EX_T(EX(opline)->result.u.var).tmp_var,
		get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
		&EX(opline)->op2.u.constant);
	/* FREE_OP is missing intentionally here - we're always working on the same temporary variable */
	NEXT_OPCODE();
}


int zend_add_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *var = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	zval var_copy;
	int use_copy;

	zend_make_printable_zval(var, &var_copy, &use_copy);
	if (use_copy) {
		var = &var_copy;
	}
	add_string_to_string(	&EX_T(EX(opline)->result.u.var).tmp_var,
							get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
							var);
	if (use_copy) {
		zval_dtor(var);
	}
	/* original comment, possibly problematic:
	 * FREE_OP is missing intentionally here - we're always working on the same temporary variable
	 * (Zeev):  I don't think it's problematic, we only use variables
	 * which aren't affected by FREE_OP(Ts, )'s anyway, unless they're
	 * string offsets or overloaded objects
	 */
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));

	NEXT_OPCODE();
}

int zend_fetch_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_class_entry **pce;
	zend_class_entry *ce = NULL;
	zend_bool is_const;
	char *class_name_strval;
	zend_uint class_name_strlen;
	zend_bool free_class_name = 0;
	zval *class_name;					
	
	if (EX(opline)->op2.op_type == IS_UNUSED) {
		if (EX(opline)->extended_value == ZEND_FETCH_CLASS_SELF) {
			if (!EG(scope)) {
				zend_error(E_ERROR, "Cannot access self:: when no class scope is active");
			}
			EX_T(EX(opline)->result.u.var).EA.class_entry = EG(scope);
			NEXT_OPCODE();
		} else if (EX(opline)->extended_value == ZEND_FETCH_CLASS_PARENT) {
			if (!EG(scope)) {
				zend_error(E_ERROR, "Cannot access parent:: when no class scope is active");
			}
			if (!EG(scope)->parent) {
				zend_error(E_ERROR, "Cannot access parent:: when current class scope has no parent");
			}
			EX_T(EX(opline)->result.u.var).EA.class_entry = EG(scope)->parent;
			NEXT_OPCODE();
		} 
	}

	is_const = (EX(opline)->op2.op_type == IS_CONST);

	if (is_const) {
		class_name_strval = EX(opline)->op2.u.constant.value.str.val;
		class_name_strlen = EX(opline)->op2.u.constant.value.str.len;
	} else {
		class_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);

		switch (class_name->type) {
			case IS_OBJECT:
				ce = Z_OBJCE_P(class_name);
				break;
			case IS_STRING:
				convert_to_string_ex(&class_name);
				class_name_strval = zend_str_tolower_dup(class_name->value.str.val, class_name->value.str.len);
				class_name_strlen = class_name->value.str.len;
				free_class_name = 1;
				break;
			default:
				zend_error(E_ERROR, "Class name must be a valid object or a string");
				break;
		}
	}
	
	if (!ce) {
		int retval;

		if (EX(opline)->op1.op_type == IS_UNUSED) {
			retval = zend_lookup_class(class_name_strval, class_name_strlen, &pce TSRMLS_CC);
		}
		if (retval==SUCCESS) {
			ce = *pce;
		}
	}

	if (!ce) {
		zend_error(E_ERROR, "Class '%s' not found", class_name_strval);
	} else {
		EX_T(EX(opline)->result.u.var).EA.class_entry = ce;
	}
	if (!is_const) {
		if (free_class_name) {
			efree(class_name_strval);
		}
		FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	}
	NEXT_OPCODE();
}


int zend_init_ctor_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));

	if (EX(opline)->op1.op_type == IS_VAR) {
		SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr, &EX(opline)->op1);
	}

	/* We are not handling overloaded classes right now */
	EX(object) = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	if (!PZVAL_IS_REF(EX(object)) || !EG(implicit_clone)) {
		EX(object)->refcount++; /* For $this pointer */
	} else {
		zval *this_ptr;

		ALLOC_ZVAL(this_ptr);
		*this_ptr = *EX(object);
		INIT_PZVAL(this_ptr);
		zval_copy_ctor(this_ptr);
		EX(object) = this_ptr;
	}

	EX(fbc) = EX(fbc_constructor);

	if (EX(fbc)->type == ZEND_USER_FUNCTION) { /* HACK!! */
		EX(calling_scope) = EX(fbc)->common.scope;
	} else {
		EX(calling_scope) = NULL;
	}

	NEXT_OPCODE();
}


int zend_init_method_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *function_name;
	char *function_name_strval;
	int function_name_strlen;
	
	zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));

	function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);

	if (Z_TYPE_P(function_name)!=IS_STRING) {
		zend_error(E_ERROR, "Method name must be a string");
	}

	function_name_strval = function_name->value.str.val;
	function_name_strlen = function_name->value.str.len;

	EX(calling_scope) = EG(scope);

	EX(object) = get_obj_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R TSRMLS_CC);
			
	if (EX(object) && EX(object)->type == IS_OBJECT) {
		/* First, locate the function. */
		EX(fbc) = Z_OBJ_HT_P(EX(object))->get_method(EX(object), function_name_strval, function_name_strlen TSRMLS_CC);
		if (!EX(fbc)) {
			zend_error(E_ERROR, "Call to undefined method %s::%s()", Z_OBJ_CLASS_NAME_P(EX(object)), function_name_strval);
		}
	} else {
		zend_error(E_ERROR, "Call to a member function %s() on a non-object", function_name_strval);
	}

	if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) {
		EX(object) = NULL;
	} else {
		if (!PZVAL_IS_REF(EX(object)) || !EG(implicit_clone)) {
			EX(object)->refcount++; /* For $this pointer */
		} else {
			zval *this_ptr;
			ALLOC_ZVAL(this_ptr);
			*this_ptr = *EX(object);
			INIT_PZVAL(this_ptr);
			zval_copy_ctor(this_ptr);
			EX(object) = this_ptr;
		}
	}

	if (EX(fbc)->type == ZEND_USER_FUNCTION) {
		EX(calling_scope) = EX(fbc)->common.scope;
	} else {
		EX(calling_scope) = NULL;
	}

	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	
	NEXT_OPCODE();
}


int zend_init_static_method_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *function_name;
	zend_class_entry *ce;
	zend_bool is_const = 1;
	char *function_name_strval;
	int function_name_strlen;

	zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));

	ce = EX_T(EX(opline)->op1.u.var).EA.class_entry;
	if(EX(opline)->op2.op_type != IS_UNUSED) {
		is_const = (EX(opline)->op2.op_type == IS_CONST);

		if (is_const) {
			function_name_strval = EX(opline)->op2.u.constant.value.str.val;
			function_name_strlen = EX(opline)->op2.u.constant.value.str.len;
		} else {
			function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
			
			function_name_strval = zend_str_tolower_dup(function_name->value.str.val, function_name->value.str.len);
			function_name_strlen = function_name->value.str.len;
		}

		EX(fbc) = zend_std_get_static_method(ce, function_name_strval, function_name_strlen TSRMLS_CC);
	} else {
		if(!ce->constructor) {
			zend_error(E_ERROR, "Can not call constructor");
		}
		EX(fbc) = ce->constructor;
	}

	EX(calling_scope) = EX(fbc)->common.scope;

	if (!is_const) {
		efree(function_name_strval);
		FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	}

	if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) {
		EX(object) = NULL;
	} else {
		if ((EX(object) = EG(This))) {
			EX(object)->refcount++;
		}
	}

	NEXT_OPCODE();
}

int zend_init_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *function_name;
	zend_function *function;
	zend_bool is_const;
	char *function_name_strval;
	int function_name_strlen;

	zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));

	is_const = (EX(opline)->op2.op_type == IS_CONST);

	if (is_const) {
		function_name_strval = EX(opline)->op2.u.constant.value.str.val;
		function_name_strlen = EX(opline)->op2.u.constant.value.str.len;
	} else {
		function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);

		if (Z_TYPE_P(function_name) != IS_STRING) {
			zend_error(E_ERROR, "Function name must be a string");
		}
		function_name_strval = zend_str_tolower_dup(function_name->value.str.val, function_name->value.str.len);
		function_name_strlen = function_name->value.str.len;
	}

	if (zend_hash_find(EG(function_table), function_name_strval, function_name_strlen+1, (void **) &function)==FAILURE) {
		zend_error(E_ERROR, "Call to undefined function:  %s()", function_name_strval);
	}

	if (!is_const) {
		efree(function_name_strval);
		FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	} 

	EX(calling_scope) = function->common.scope;
	EX(object) = NULL;
	
	EX(fbc) = function;

	NEXT_OPCODE();
}

int zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **original_return_value;
	zend_class_entry *current_scope;
	zval *current_this;
	int return_value_used = RETURN_VALUE_USED(EX(opline));
	zend_bool should_change_scope;
	
	zend_ptr_stack_n_push(&EG(argument_stack), 2, (void *) EX(opline)->extended_value, NULL);

	EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;

	if (EX(function_state).function->type == ZEND_USER_FUNCTION
		|| EX(function_state).function->common.scope) {
		should_change_scope = 1;
	} else {
		should_change_scope = 0;
	}

	if (should_change_scope) {
		current_this = EG(This);
		EG(This) = EX(object);
		current_scope = EG(scope);
		EG(scope) = EX(calling_scope);
	}

	if (EX(function_state).function->type == ZEND_INTERNAL_FUNCTION) {	
		ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
		INIT_ZVAL(*(EX_T(EX(opline)->result.u.var).var.ptr));

		if (!zend_execute_internal) {
			/* saves one function call if zend_execute_internal is not used */
			((zend_internal_function *) EX(function_state).function)->handler(EX(opline)->extended_value, EX_T(EX(opline)->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC);
		} else {
			zend_execute_internal(execute_data, return_value_used TSRMLS_CC);
		}

		EG(current_execute_data) = execute_data;
		EX_T(EX(opline)->result.u.var).var.ptr->is_ref = 0;
		EX_T(EX(opline)->result.u.var).var.ptr->refcount = 1;
		if (!return_value_used) {
			zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
		}
	} else if (EX(function_state).function->type == ZEND_USER_FUNCTION) {
		HashTable *calling_symbol_table;

		EX_T(EX(opline)->result.u.var).var.ptr = NULL;
		if (EG(symtable_cache_ptr)>=EG(symtable_cache)) {
			/*printf("Cache hit!  Reusing %x\n", symtable_cache[symtable_cache_ptr]);*/
			EX(function_state).function_symbol_table = *(EG(symtable_cache_ptr)--);
		} else {
			ALLOC_HASHTABLE(EX(function_state).function_symbol_table);
			zend_hash_init(EX(function_state).function_symbol_table, 0, NULL, ZVAL_PTR_DTOR, 0);
			/*printf("Cache miss!  Initialized %x\n", function_state.function_symbol_table);*/
		}
		calling_symbol_table = EG(active_symbol_table);
		EG(active_symbol_table) = EX(function_state).function_symbol_table;
		original_return_value = EG(return_value_ptr_ptr);
		EG(return_value_ptr_ptr) = EX_T(EX(opline)->result.u.var).var.ptr_ptr;
		EG(active_op_array) = (zend_op_array *) EX(function_state).function;

		zend_execute(EG(active_op_array) TSRMLS_CC);

		if (return_value_used && !EX_T(EX(opline)->result.u.var).var.ptr) {
			if (!EG(exception)) {
				ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
				INIT_ZVAL(*EX_T(EX(opline)->result.u.var).var.ptr);
			}
		} else if (!return_value_used && EX_T(EX(opline)->result.u.var).var.ptr) {
			zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
		}

		EG(opline_ptr) = &EX(opline);
		EG(active_op_array) = op_array;
		EG(return_value_ptr_ptr)=original_return_value;
		if (EG(symtable_cache_ptr)>=EG(symtable_cache_limit)) {
			zend_hash_destroy(EX(function_state).function_symbol_table);
			FREE_HASHTABLE(EX(function_state).function_symbol_table);
		} else {
			/* clean before putting into the cache, since clean
			   could call dtors, which could use cached hash */
			zend_hash_clean(EX(function_state).function_symbol_table);
			*(++EG(symtable_cache_ptr)) = EX(function_state).function_symbol_table;
		}
		EG(active_symbol_table) = calling_symbol_table;
	} else { /* ZEND_OVERLOADED_FUNCTION */
		ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
		INIT_ZVAL(*(EX_T(EX(opline)->result.u.var).var.ptr));

			/* Not sure what should be done here if it's a static method */
		if (EX(object)) {
			Z_OBJ_HT_P(EX(object))->call_method(EX(fbc)->common.function_name, EX(opline)->extended_value, EX_T(EX(opline)->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC);
		} else {
			zend_error(E_ERROR, "Cannot call overloaded function for non-object");
		}
			
		efree(EX(fbc));
		if (!return_value_used) {
			zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
		}
	}

	if (should_change_scope) {
		if (EG(This)) {
			zval_ptr_dtor(&EG(This));
		}
		EG(This) = current_this;
		EG(scope) = current_scope;
	}
	zend_ptr_stack_n_pop(&EG(arg_types_stack), 3, &EX(calling_scope), &EX(object), &EX(fbc));
	
	EX(function_state).function = (zend_function *) op_array;
	EG(function_state_ptr) = &EX(function_state);
	zend_ptr_stack_clear_multiple(TSRMLS_C);

	if (EG(exception)) {
		if (return_value_used && EX_T(EX(opline)->result.u.var).var.ptr) {
			zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
		}
		if (EX(opline)->op2.u.opline_num == -1) {
			RETURN_FROM_EXECUTE_LOOP(execute_data);
		} else {
			EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
			return 0; /* CHECK_ME */
		}
	}

	NEXT_OPCODE();
}


int zend_do_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	EX(function_state).function = EX(fbc);
	return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_do_fcall_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *fname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	
	zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));

	do {
		/*
		if (EG(scope)) {
			if (zend_hash_find(&EG(scope)->function_table, fname->value.str.val, fname->value.str.len+1, (void **) &EX(function_state).function) == SUCCESS) {
				if ((EX(object) = EG(This))) {
					EX(object)->refcount++;
				}
				EX(calling_scope) = EG(scope);
				break;
			}
		}
		*/
		if (zend_hash_find(EG(function_table), fname->value.str.val, fname->value.str.len+1, (void **) &EX(function_state).function)==FAILURE) {
			zend_error(E_ERROR, "Unknown function:  %s()\n", fname->value.str.val);
		}
		EX(object) = NULL;
		EX(calling_scope) = EX(function_state).function->common.scope;
	} while (0);

	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
					
	return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_return_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *retval_ptr;
	zval **retval_ptr_ptr;
	
	if ((EG(active_op_array)->return_reference == ZEND_RETURN_REF) &&
		(EX(opline)->op1.op_type != IS_CONST) && 
		(EX(opline)->op1.op_type != IS_TMP_VAR)) {
		
		retval_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W);

		if (!retval_ptr_ptr) {
			zend_error(E_ERROR, "Cannot return overloaded elements or string offsets by reference");
		}

		if (!(*retval_ptr_ptr)->is_ref
			&& EX_T(EX(opline)->op1.u.var).var.ptr_ptr == &EX_T(EX(opline)->op1.u.var).var.ptr) {
			zend_error(E_ERROR, "Only variables or references can be returned by reference");
		}
		
		SEPARATE_ZVAL_TO_MAKE_IS_REF(retval_ptr_ptr);
		(*retval_ptr_ptr)->refcount++;
		
		(*EG(return_value_ptr_ptr)) = (*retval_ptr_ptr);
	} else {
		retval_ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	
		if (!EG(free_op1)) { /* Not a temp var */
			if (PZVAL_IS_REF(retval_ptr) && retval_ptr->refcount > 0) {
				ALLOC_ZVAL(*(EG(return_value_ptr_ptr)));
				**EG(return_value_ptr_ptr) = *retval_ptr;
				(*EG(return_value_ptr_ptr))->is_ref = 0;
				(*EG(return_value_ptr_ptr))->refcount = 1;
				zval_copy_ctor(*EG(return_value_ptr_ptr));
			} else {
				*EG(return_value_ptr_ptr) = retval_ptr;
				retval_ptr->refcount++;
			}
		} else {
			ALLOC_ZVAL(*(EG(return_value_ptr_ptr)));
			**EG(return_value_ptr_ptr) = *retval_ptr;
			(*EG(return_value_ptr_ptr))->refcount = 1;
			(*EG(return_value_ptr_ptr))->is_ref = 0;
		}
	}
	RETURN_FROM_EXECUTE_LOOP(execute_data);
}


int zend_throw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *value;
	zval *exception;

	value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

	if (value->type != IS_OBJECT) {
		zend_error(E_ERROR, "Can only throw objects");
	}
	/* Not sure if a complete copy is what we want here */
	MAKE_STD_ZVAL(exception);
	*exception = *value;
	if (!EG(free_op1)) {
		zval_copy_ctor(exception);
	}
	INIT_PZVAL(exception);
	EG(exception) = exception;
	
	if (EX(opline)->op2.u.opline_num == -1) {
		RETURN_FROM_EXECUTE_LOOP(execute_data);
	} else {
		EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
		return 0; /* CHECK_ME */
	}
	NEXT_OPCODE();
}


int zend_catch_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_class_entry *ce;

	/* Check if this is really an exception, if not, jump over code */
	if (EG(exception) == NULL) {
		EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
		return 0; /* CHECK_ME */
	}
	ce = Z_OBJCE_P(EG(exception));
	if (ce != EX_T(EX(opline)->op1.u.var).EA.class_entry) {
		while (ce->parent) {
			if (ce->parent == EX_T(EX(opline)->op1.u.var).EA.class_entry) {
				goto exception_should_be_taken;
			}
			ce = ce->parent;
		}
		EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
		return 0; /* CHECK_ME */
	}

exception_should_be_taken:
	zend_hash_update(EG(active_symbol_table), EX(opline)->op2.u.constant.value.str.val,
		EX(opline)->op2.u.constant.value.str.len+1, &EG(exception), sizeof(zval *), (void **) NULL);
	EG(exception) = NULL;
	NEXT_OPCODE();
}


int zend_send_val_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (EX(opline)->extended_value==ZEND_DO_FCALL_BY_NAME
		&& ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->op2.u.opline_num, EX(fbc), EX(fbc)->common.arg_types)) {
			zend_error(E_ERROR, "Cannot pass parameter %d by reference", EX(opline)->op2.u.opline_num);
	}
	{
		zval *valptr;
		zval *value;

		value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

		ALLOC_ZVAL(valptr);
		*valptr = *value;
		if (!EG(free_op1)) {
			zval_copy_ctor(valptr);
		}
		INIT_PZVAL(valptr);
		zend_ptr_stack_push(&EG(argument_stack), valptr);
	}
	NEXT_OPCODE();
}


inline int zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *varptr;
	varptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

	if (varptr == &EG(uninitialized_zval)) {
		ALLOC_ZVAL(varptr);
		INIT_ZVAL(*varptr);
		varptr->refcount = 0;
	} else if (PZVAL_IS_REF(varptr)) {
		zval *original_var = varptr;

		ALLOC_ZVAL(varptr);
		*varptr = *original_var;
		varptr->is_ref = 0;
		varptr->refcount = 0;
		zval_copy_ctor(varptr);
	}
	varptr->refcount++;
	zend_ptr_stack_push(&EG(argument_stack), varptr);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));  /* for string offsets */

	NEXT_OPCODE();
}


int zend_send_var_no_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (EX(opline)->extended_value & ZEND_ARG_COMPILE_TIME_BOUND) { /* Had function_ptr at compile_time */
		if (!(EX(opline)->extended_value & ZEND_ARG_SEND_BY_REF)) {
			return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
		}
	} else if (!ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->op2.u.opline_num, EX(fbc), EX(fbc)->common.arg_types)) {
		return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
	}
	{
		zval *varptr;
		varptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

		if (varptr != &EG(uninitialized_zval) && (PZVAL_IS_REF(varptr) || varptr->refcount == 1)) {
			varptr->is_ref = 1;
			varptr->refcount++;
			zend_ptr_stack_push(&EG(argument_stack), varptr);
			NEXT_OPCODE();
		}
		zend_error(E_ERROR, "Only variables can be passed by reference");
	}
	NEXT_OPCODE();
}


int zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **varptr_ptr;
	zval *varptr;
	varptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W);

	if (!varptr_ptr) {
		zend_error(E_ERROR, "Only variables can be passed by reference");
	}

	SEPARATE_ZVAL_TO_MAKE_IS_REF(varptr_ptr);
	varptr = *varptr_ptr;
	varptr->refcount++;
	zend_ptr_stack_push(&EG(argument_stack), varptr);

	NEXT_OPCODE();
}


int zend_send_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if ((EX(opline)->extended_value == ZEND_DO_FCALL_BY_NAME)
		&& ARG_SHOULD_BE_SENT_BY_REF(EX(opline)->op2.u.opline_num, EX(fbc), EX(fbc)->common.arg_types)) {
		return zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
	}
	return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_recv_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **param;

	if (zend_ptr_stack_get_arg(EX(opline)->op1.u.constant.value.lval, (void **) &param TSRMLS_CC)==FAILURE) {
		zend_error(E_WARNING, "Missing argument %d for %s()\n", EX(opline)->op1.u.constant.value.lval, get_active_function_name(TSRMLS_C));
		if (EX(opline)->result.op_type == IS_VAR) {
			PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
		}
	} else if (PZVAL_IS_REF(*param)) {
		zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC);
	} else {
		zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, *param, IS_VAR, EX(Ts) TSRMLS_CC);
	}

	NEXT_OPCODE();
}


int zend_recv_init_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **param, *assignment_value;

	if (zend_ptr_stack_get_arg(EX(opline)->op1.u.constant.value.lval, (void **) &param TSRMLS_CC)==FAILURE) {
		if (EX(opline)->op2.u.constant.type == IS_CONSTANT || EX(opline)->op2.u.constant.type==IS_CONSTANT_ARRAY) {
			zval *default_value;

			ALLOC_ZVAL(default_value);
			*default_value = EX(opline)->op2.u.constant;
			if (EX(opline)->op2.u.constant.type==IS_CONSTANT_ARRAY) {
				zval_copy_ctor(default_value);
			}
			default_value->refcount=1;
			zval_update_constant(&default_value, 0 TSRMLS_CC);
			default_value->refcount=0;
			default_value->is_ref=0;
			param = &default_value;
			assignment_value = default_value;
		} else {
			param = NULL;
			assignment_value = &EX(opline)->op2.u.constant;
		}
		zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC);
	} else {
		assignment_value = *param;
		if (PZVAL_IS_REF(assignment_value)) {
			zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC);
		} else {
			zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC);
		}
	}

	NEXT_OPCODE();
}


int zend_bool_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	/* PHP 3.0 returned "" for false and 1 for true, here we use 0 and 1 for now */
	EX_T(EX(opline)->result.u.var).tmp_var.value.lval = zend_is_true(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));

	NEXT_OPCODE();
}


inline int zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *nest_levels_zval = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	zval tmp;
	int array_offset, nest_levels, original_nest_levels;
	zend_brk_cont_element *jmp_to;

	if (nest_levels_zval->type != IS_LONG) {
		tmp = *nest_levels_zval;
		zval_copy_ctor(&tmp);
		convert_to_long(&tmp);
		nest_levels = tmp.value.lval;
	} else {
		nest_levels = nest_levels_zval->value.lval;
	}
	original_nest_levels = nest_levels;
	array_offset = EX(opline)->op1.u.opline_num;
	do {
		if (array_offset==-1) {
			zend_error(E_ERROR, "Cannot break/continue %d level%s", original_nest_levels, (original_nest_levels == 1) ? "" : "s");
		}
		jmp_to = &op_array->brk_cont_array[array_offset];
		if (nest_levels>1) {
			zend_op *brk_opline = &op_array->opcodes[jmp_to->brk];

			switch (brk_opline->opcode) {
				case ZEND_SWITCH_FREE:
					zend_switch_free(brk_opline, EX(Ts) TSRMLS_CC);
					break;
				case ZEND_FREE:
					zendi_zval_dtor(EX_T(brk_opline->op1.u.var).tmp_var);
					break;
			}
		}
		array_offset = jmp_to->parent;
	} while (--nest_levels > 0);

	if (EX(opline)->opcode == ZEND_BRK) {
		EX(opline) = op_array->opcodes+jmp_to->brk;
	} else {
		EX(opline) = op_array->opcodes+jmp_to->cont;
	}
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	return 0; /* CHECK_ME */
}


int zend_brk_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_cont_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_case_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	int switch_expr_is_overloaded=0;

	if (EX(opline)->op1.op_type==IS_VAR) {
		if (EX_T(EX(opline)->op1.u.var).var.ptr_ptr
			|| (EX_T(EX(opline)->op1.u.var).var.ptr && EX_T(EX(opline)->op1.u.var).EA.type!=IS_STRING_OFFSET)) {
			PZVAL_LOCK(EX_T(EX(opline)->op1.u.var).var.ptr);
		} else {
			switch_expr_is_overloaded = 1;
			EX_T(EX(opline)->op1.u.var).EA.data.str_offset.str->refcount++;
		}
	}
	is_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var, 
				 get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
				 get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);

	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	if (switch_expr_is_overloaded) {
		/* We only free op1 if this is a string offset,
		 * Since if it is a TMP_VAR, it'll be reused by
		 * other CASE opcodes (whereas string offsets
		 * are allocated at each get_zval_ptr())
		 */
		FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
		EX_T(EX(opline)->op1.u.var).var.ptr_ptr = NULL;
		AI_USE_PTR(EX_T(EX(opline)->op1.u.var).var);
	}
	NEXT_OPCODE();
}


int zend_switch_free_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_switch_free(EX(opline), EX(Ts) TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_new_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (EX_T(EX(opline)->op1.u.var).EA.class_entry->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_ABSTRACT_CLASS)) {
		char *class_type;

		if (EX_T(EX(opline)->op1.u.var).EA.class_entry->ce_flags & ZEND_ACC_INTERFACE) {
			class_type = "interface";
		} else {
			class_type = "abstract class";
		}
		zend_error(E_ERROR, "Cannot instantiate %s %s", class_type,  EX_T(EX(opline)->op1.u.var).EA.class_entry->name);
	}
	EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
	ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
	object_init_ex(EX_T(EX(opline)->result.u.var).var.ptr, EX_T(EX(opline)->op1.u.var).EA.class_entry);
	EX_T(EX(opline)->result.u.var).var.ptr->refcount=1;
	EX_T(EX(opline)->result.u.var).var.ptr->is_ref=1;

	NEXT_OPCODE();
}


int zend_clone_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *obj = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zend_class_entry *ce;
	zend_function *clone;
	zend_object_clone_obj_t clone_call;

	if (Z_TYPE_P(obj) != IS_OBJECT) {
		zend_error(E_WARNING, "__clone method called on non-object");
		EX_T(EX(opline)->result.u.var).var.ptr = EG(error_zval_ptr);
		EX_T(EX(opline)->result.u.var).var.ptr->refcount++;
		NEXT_OPCODE();
	} 

	ce = Z_OBJCE_P(obj);
	clone = ce ? ce->clone : NULL;
	clone_call =  Z_OBJ_HT_P(obj)->clone_obj;
	if (!clone_call) {
		zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", ce->name);
		EX_T(EX(opline)->result.u.var).var.ptr = EG(error_zval_ptr);
		EX_T(EX(opline)->result.u.var).var.ptr->refcount++;
	}

	if (ce && clone) {
		if (clone->op_array.fn_flags & ZEND_ACC_PRIVATE) {
			/* Ensure that if we're calling a private function, we're allowed to do so.
			 */
			if (ce != EG(scope)) {
				zend_error(E_ERROR, "Call to private __clone from context '%s'", EG(scope) ? EG(scope)->name : "");
			}
		} else if ((clone->common.fn_flags & ZEND_ACC_PROTECTED)) {
			/* Ensure that if we're calling a protected function, we're allowed to do so.
			 */
			if (!zend_check_protected(clone->common.scope, EG(scope))) {
				zend_error(E_ERROR, "Call to protected __clone from context '%s'", EG(scope) ? EG(scope)->name : "");
			}
		}
	}

	EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
	ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
	EX_T(EX(opline)->result.u.var).var.ptr->value.obj = clone_call(obj TSRMLS_CC);
	if (EG(exception)) {
		FREE_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
		if (EX(opline)->op2.u.opline_num == -1) {
			RETURN_FROM_EXECUTE_LOOP(execute_data);
		} else {
			EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
			return 0; /* CHECK_ME */
		}
	}
	EX_T(EX(opline)->result.u.var).var.ptr->type = IS_OBJECT;
	EX_T(EX(opline)->result.u.var).var.ptr->refcount=1;
	EX_T(EX(opline)->result.u.var).var.ptr->is_ref=1;
	NEXT_OPCODE();
}


int zend_fetch_constant_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_class_entry *ce = NULL;
	zval **value;

	if (EX(opline)->op1.op_type == IS_UNUSED) {
		if (EG(scope)) {
			ce = EG(scope);
			if (zend_hash_find(&ce->constants_table, EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) {
				zval_update_constant(value, (void *) 1 TSRMLS_CC);
				EX_T(EX(opline)->result.u.var).tmp_var = **value;
				zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
				NEXT_OPCODE();
			}
		}

		if (!zend_get_constant(EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len, &EX_T(EX(opline)->result.u.var).tmp_var TSRMLS_CC)) {
			zend_error(E_NOTICE, "Use of undefined constant %s - assumed '%s'",
						EX(opline)->op2.u.constant.value.str.val,
						EX(opline)->op2.u.constant.value.str.val);
			EX_T(EX(opline)->result.u.var).tmp_var = EX(opline)->op2.u.constant;
			zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
		}
		NEXT_OPCODE();
	}
	
	ce = EX_T(EX(opline)->op1.u.var).EA.class_entry;
	
	if (zend_hash_find(&ce->constants_table, EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) {
		zval_update_constant(value, (void *) 1 TSRMLS_CC);
		EX_T(EX(opline)->result.u.var).tmp_var = **value;
		zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
	} else {
		zend_error(E_ERROR, "Undefined class constant '%s'", EX(opline)->op2.u.constant.value.str.val);
	}

	NEXT_OPCODE();
}


inline int zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *array_ptr = &EX_T(EX(opline)->result.u.var).tmp_var;
	zval *expr_ptr, **expr_ptr_ptr = NULL;
	zval *offset=get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);

	if (EX(opline)->extended_value) {
		expr_ptr_ptr=get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R);
		expr_ptr = *expr_ptr_ptr;
	} else {
		expr_ptr=get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	}
	
	if (EX(opline)->opcode == ZEND_INIT_ARRAY) {
		array_init(array_ptr);
		if (!expr_ptr) {
			NEXT_OPCODE();
		}
	}
	if (!EX(opline)->extended_value && EG(free_op1)) { /* temporary variable */
		zval *new_expr;

		ALLOC_ZVAL(new_expr);
		*new_expr = *expr_ptr;
		expr_ptr = new_expr;
		INIT_PZVAL(expr_ptr);
	} else {
		if (EX(opline)->extended_value) {
			SEPARATE_ZVAL_TO_MAKE_IS_REF(expr_ptr_ptr);
			expr_ptr = *expr_ptr_ptr;
			expr_ptr->refcount++;
		} else if (PZVAL_IS_REF(expr_ptr)) {
			zval *new_expr;

			ALLOC_ZVAL(new_expr);
			*new_expr = *expr_ptr;
			expr_ptr = new_expr;
			zendi_zval_copy_ctor(*expr_ptr);
			INIT_PZVAL(expr_ptr);
		} else {
			expr_ptr->refcount++;
		}
	}
	if (offset) {
		switch (offset->type) {
			case IS_DOUBLE:
				zend_hash_index_update(array_ptr->value.ht, (long) offset->value.dval, &expr_ptr, sizeof(zval *), NULL);
				break;
			case IS_LONG:
			case IS_BOOL:
				zend_hash_index_update(array_ptr->value.ht, offset->value.lval, &expr_ptr, sizeof(zval *), NULL);
				break;
			case IS_STRING:
				zend_symtable_update(array_ptr->value.ht, offset->value.str.val, offset->value.str.len+1, &expr_ptr, sizeof(zval *), NULL);
				break;
			case IS_NULL:
				zend_hash_update(array_ptr->value.ht, "", sizeof(""), &expr_ptr, sizeof(zval *), NULL);
				break;
			default:
				zval_ptr_dtor(&expr_ptr);
				/* do nothing */
				break;
		}
		FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
	} else {
		zend_hash_next_index_insert(array_ptr->value.ht, &expr_ptr, sizeof(zval *), NULL);
	}
	NEXT_OPCODE();
}


int zend_init_array_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_add_array_element_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}


int zend_cast_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *expr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zval *result = &EX_T(EX(opline)->result.u.var).tmp_var;

	*result = *expr;
	if (!EG(free_op1)) {
		zendi_zval_copy_ctor(*result);
	}					
	switch (EX(opline)->extended_value) {
		case IS_NULL:
			convert_to_null(result);
			break;
		case IS_BOOL:
			convert_to_boolean(result);
			break;
		case IS_LONG:
			convert_to_long(result);
			break;
		case IS_DOUBLE:
			convert_to_double(result);
			break;
		case IS_STRING:
			convert_to_string(result);
			break;
		case IS_ARRAY:
			convert_to_array(result);
			break;
		case IS_OBJECT:
			convert_to_object(result);
			break;
	}
	NEXT_OPCODE();
}


int zend_include_or_eval_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_op_array *new_op_array=NULL;
	zval **original_return_value = EG(return_value_ptr_ptr);
	int return_value_used;
	zval *inc_filename = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zval tmp_inc_filename;
	zend_bool failure_retval=0;

	if (inc_filename->type!=IS_STRING) {
		tmp_inc_filename = *inc_filename;
		zval_copy_ctor(&tmp_inc_filename);
		convert_to_string(&tmp_inc_filename);
		inc_filename = &tmp_inc_filename;
	}
	
	return_value_used = RETURN_VALUE_USED(EX(opline));

	switch (EX(opline)->op2.u.constant.value.lval) {
		case ZEND_INCLUDE_ONCE:
		case ZEND_REQUIRE_ONCE: {
				int dummy = 1;
				zend_file_handle file_handle;

				if (SUCCESS == zend_stream_open(inc_filename->value.str.val, &file_handle TSRMLS_CC)) {

					if (!file_handle.opened_path) {
						file_handle.opened_path = estrndup(inc_filename->value.str.val, inc_filename->value.str.len);
					}	
				
					if (zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL)==SUCCESS) {
						new_op_array = zend_compile_file(&file_handle, (EX(opline)->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE?ZEND_INCLUDE:ZEND_REQUIRE) TSRMLS_CC);
						zend_destroy_file_handle(&file_handle TSRMLS_CC);
					} else {
						zend_file_handle_dtor(&file_handle);
						failure_retval=1;
					}
				} else {
					if (EX(opline)->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE) {
						zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, inc_filename->value.str.val);
					} else {
						zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, inc_filename->value.str.val);
					}
				}
				break;
			}
			break;
		case ZEND_INCLUDE:
		case ZEND_REQUIRE:
			new_op_array = compile_filename(EX(opline)->op2.u.constant.value.lval, inc_filename TSRMLS_CC);
			break;
		case ZEND_EVAL: {
				char *eval_desc = zend_make_compiled_string_description("eval()'d code" TSRMLS_CC);

				new_op_array = compile_string(inc_filename, eval_desc TSRMLS_CC);
				efree(eval_desc);
			}
			break;
		EMPTY_SWITCH_DEFAULT_CASE()
	}
	if (inc_filename==&tmp_inc_filename) {
		zval_dtor(&tmp_inc_filename);
	}
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
	if (new_op_array) {
		zval *saved_object;
		zend_function *saved_function;

		EG(return_value_ptr_ptr) = EX_T(EX(opline)->result.u.var).var.ptr_ptr;
		EG(active_op_array) = new_op_array;
		EX_T(EX(opline)->result.u.var).var.ptr = NULL;

		saved_object = EX(object);
		saved_function = EX(function_state).function;

		EX(function_state).function = (zend_function *) new_op_array;
		EX(object) = NULL;
		
		zend_execute(new_op_array TSRMLS_CC);
		
		EX(function_state).function = saved_function;
		EX(object) = saved_object;
		
		if (!return_value_used) {
			if (EX_T(EX(opline)->result.u.var).var.ptr) {
				zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
			} 
		} else { /* return value is used */
			if (!EX_T(EX(opline)->result.u.var).var.ptr) { /* there was no return statement */
				ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
				INIT_PZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
				EX_T(EX(opline)->result.u.var).var.ptr->value.lval = 1;
				EX_T(EX(opline)->result.u.var).var.ptr->type = IS_BOOL;
			}
		}

		EG(opline_ptr) = &EX(opline);
		EG(active_op_array) = op_array;
		EG(function_state_ptr) = &EX(function_state);
		destroy_op_array(new_op_array TSRMLS_CC);
		efree(new_op_array);
	} else {
		if (return_value_used) {
			ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
			INIT_ZVAL(*EX_T(EX(opline)->result.u.var).var.ptr);
			EX_T(EX(opline)->result.u.var).var.ptr->value.lval = failure_retval;
			EX_T(EX(opline)->result.u.var).var.ptr->type = IS_BOOL;
		}
	}
	EG(return_value_ptr_ptr) = original_return_value;
	NEXT_OPCODE();
}


int zend_unset_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval tmp, *varname;
	HashTable *target_symbol_table;

	varname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

	if (varname->type != IS_STRING) {
		tmp = *varname;
		zval_copy_ctor(&tmp);
		convert_to_string(&tmp);
		varname = &tmp;
	}

	if (EX(opline)->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
		zend_std_unset_static_property(EX_T(EX(opline)->op2.u.var).EA.class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname) TSRMLS_CC);
	} else {
		target_symbol_table = zend_get_target_symbol_table(EX(opline), EX(Ts), BP_VAR_IS, varname TSRMLS_CC);
		zend_hash_del(target_symbol_table, varname->value.str.val, varname->value.str.len+1);
	}

	if (varname == &tmp) {
		zval_dtor(&tmp);
	}
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}



int zend_unset_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **container = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R TSRMLS_CC);
	zval *offset = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	long index;
	
	if (container) {
		HashTable *ht;

		switch (EX(opline)->extended_value) {
			case ZEND_UNSET_DIM:
				switch (Z_TYPE_PP(container)) {
					case IS_ARRAY:
						ht = Z_ARRVAL_PP(container);
						break;
					case IS_OBJECT:
						ht = NULL;
						if (!Z_OBJ_HT_P(*container)->unset_dimension) {
							zend_error(E_ERROR, "Cannot use object as array");
						}
						Z_OBJ_HT_P(*container)->unset_dimension(*container, offset TSRMLS_CC);
						break;
					default:
						ht = NULL;
						break;
				}
				break;
			case ZEND_UNSET_OBJ:
				ht = NULL;
				if (Z_TYPE_PP(container) == IS_OBJECT) {
					Z_OBJ_HT_P(*container)->unset_property(*container, offset TSRMLS_CC);
				}
				break;
		}
		if (ht)	{
			switch (offset->type) {
				case IS_DOUBLE:
				case IS_RESOURCE:
				case IS_BOOL: 
				case IS_LONG:
					if (offset->type == IS_DOUBLE) {
						index = (long) offset->value.lval;
					} else {
						index = offset->value.lval;
					}
	
					zend_hash_index_del(ht, index);
					break;
				case IS_STRING:
					zend_symtable_del(ht, offset->value.str.val, offset->value.str.len+1);
					break;
				case IS_NULL:
					zend_hash_del(ht, "", sizeof(""));
					break;
				default: 
					zend_error(E_WARNING, "Illegal offset type in unset");
					break;
			}
		}
	} else {
		/* overloaded element */
	}
	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));

	NEXT_OPCODE();
}


int zend_fe_reset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *array_ptr, **array_ptr_ptr;
	HashTable *fe_ht;
	
	if (EX(opline)->extended_value) {
		array_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R);
		if (array_ptr_ptr == NULL) {
			MAKE_STD_ZVAL(array_ptr);
		} else {
			SEPARATE_ZVAL_IF_NOT_REF(array_ptr_ptr);
			array_ptr = *array_ptr_ptr;
			array_ptr->refcount++;
		}
	} else {
		array_ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
		if (EG(free_op1)) { /* IS_TMP_VAR */
			zval *tmp;

			ALLOC_ZVAL(tmp);
			*tmp = *array_ptr;
			INIT_PZVAL(tmp);
			array_ptr = tmp;
		} else {
			array_ptr->refcount++;
		}
	}
	PZVAL_LOCK(array_ptr);
	EX_T(EX(opline)->result.u.var).var.ptr = array_ptr;
	EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;	

	if ((fe_ht = HASH_OF(array_ptr)) != NULL) {
		/* probably redundant */
		zend_hash_internal_pointer_reset(fe_ht);
	} else {
		/* JMP to the end of foreach - TBD */
	}
	NEXT_OPCODE();
}


int zend_fe_fetch_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *array = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zval *result = &EX_T(EX(opline)->result.u.var).tmp_var;
	zval **value, *key;
	char *str_key;
	uint str_key_len;
	ulong int_key;
	HashTable *fe_ht;

	PZVAL_LOCK(array);

	fe_ht = HASH_OF(array);
	if (!fe_ht) {
		zend_error(E_WARNING, "Invalid argument supplied for foreach()");
		EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
		return 0; /* CHECK_ME */
	} else if (zend_hash_get_current_data(fe_ht, (void **) &value)==FAILURE) {
		EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
		return 0; /* CHECK_ME */
	}
	array_init(result);


	if (EX(opline)->extended_value) {
		SEPARATE_ZVAL_IF_NOT_REF(value);
		(*value)->is_ref = 1;
	}
	(*value)->refcount++;
	zend_hash_index_update(result->value.ht, 0, value, sizeof(zval *), NULL);

	ALLOC_ZVAL(key);
	INIT_PZVAL(key);
	switch (zend_hash_get_current_key_ex(fe_ht, &str_key, &str_key_len, &int_key, 1, NULL)) {
		case HASH_KEY_IS_STRING:
			key->value.str.val = str_key;
			key->value.str.len = str_key_len-1;
			key->type = IS_STRING;
			break;
		case HASH_KEY_IS_LONG:
			key->value.lval = int_key;
			key->type = IS_LONG;
			break;
		EMPTY_SWITCH_DEFAULT_CASE()
	}
	zend_hash_index_update(result->value.ht, 1, &key, sizeof(zval *), NULL);
	zend_hash_move_forward(fe_ht);

	NEXT_OPCODE();
}


int zend_jmp_no_ctor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *object_zval;
	zend_function *constructor;

	if (EX(opline)->op1.op_type == IS_VAR) {
		PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
	}
	
	object_zval = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	constructor = Z_OBJ_HT_P(object_zval)->get_constructor(object_zval TSRMLS_CC);

	EX(fbc_constructor) = NULL;
	if (constructor == NULL) {
		EX(opline) = op_array->opcodes + EX(opline)->op2.u.opline_num;
		return 0; /* CHECK_ME */
	} else {
		EX(fbc_constructor) = constructor;
	}

	NEXT_OPCODE();	
}


int zend_isset_isempty_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval tmp, *varname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zval **value;
	zend_bool isset = 1;
	HashTable *target_symbol_table;

	if (varname->type != IS_STRING) {
		tmp = *varname;
		zval_copy_ctor(&tmp);
		convert_to_string(&tmp);
		varname = &tmp;
	}
	
	if (EX(opline)->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
		value = zend_std_get_static_property(EX_T(EX(opline)->op2.u.var).EA.class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 1 TSRMLS_CC);
		if (!value) {
			isset = 0;
		}
	} else {
		target_symbol_table = zend_get_target_symbol_table(EX(opline), EX(Ts), BP_VAR_IS, varname TSRMLS_CC);
		if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &value) == FAILURE) {
			isset = 0;
		}
	}
	
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;

	switch (EX(opline)->extended_value) {
		case ZEND_ISSET:
			if (isset && Z_TYPE_PP(value) == IS_NULL) {
				EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 0;
			} else {
				EX_T(EX(opline)->result.u.var).tmp_var.value.lval = isset;
			}
			break;
		case ZEND_ISEMPTY:
			if (!isset || !zend_is_true(*value)) {
				EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 1;
			} else {
				EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 0;
			}
			break;
	}

	if (varname == &tmp) {
		zval_dtor(&tmp);
	}
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));

	NEXT_OPCODE();
}


int zend_isset_isempty_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval **container = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R TSRMLS_CC);
	zval *offset = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	zval **value = NULL;
	int result = 0;
	long index;

	if (container) {
		if ((*container)->type == IS_ARRAY) {
			HashTable *ht;
			int isset = 0;

			ht = (*container)->value.ht;

			switch (offset->type) {
				case IS_DOUBLE:
				case IS_RESOURCE:
				case IS_BOOL: 
				case IS_LONG:
					if (offset->type == IS_DOUBLE) {
						index = (long) offset->value.lval;
					} else {
						index = offset->value.lval;
					}
					if (zend_hash_index_find(ht, index, (void **) &value) == SUCCESS) {
						isset = 1;
					}
					break;
				case IS_STRING:
					if (zend_symtable_find(ht, offset->value.str.val, offset->value.str.len+1, (void **) &value) == SUCCESS) {
						isset = 1;
					}
					break;
				case IS_NULL:
					if (zend_hash_find(ht, "", sizeof(""), (void **) &value) == SUCCESS) {
						isset = 1;
					}
					break;
				default: 
					zend_error(E_WARNING, "Illegal offset type in unset");
					
					break;
			}
			
			switch (EX(opline)->extended_value) {
				case ZEND_ISSET:
					if (isset && Z_TYPE_PP(value) == IS_NULL) {
						result = 0;
					} else {
						result = isset;
					}
					break;
				case ZEND_ISEMPTY:
					if (!isset || !zend_is_true(*value)) {
						result = 0;
					} else {
						result = 1;
					}
					break;
			}
		} else if ((*container)->type == IS_OBJECT) {
			result = Z_OBJ_HT_P(*container)->has_property(*container, offset, (EX(opline)->extended_value == ZEND_ISEMPTY) TSRMLS_CC);
		} else if ((*container)->type == IS_STRING) { /* string offsets */
			switch (EX(opline)->extended_value) {
				case ZEND_ISSET:
					if (offset->value.lval <= Z_STRLEN_PP(container)) {
						result = 1;
					}
					break;
				case ZEND_ISEMPTY:
					if (offset->value.lval <= Z_STRLEN_PP(container) && Z_STRVAL_PP(container)[offset->value.lval] != '0') {
						result = 1;
					}
					break;
			}
		}
	}
	
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;

	switch (EX(opline)->extended_value) {
		case ZEND_ISSET:
			EX_T(EX(opline)->result.u.var).tmp_var.value.lval = result;
			break;
		case ZEND_ISEMPTY:
			EX_T(EX(opline)->result.u.var).tmp_var.value.lval = !result;
			break;
	}

	FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));

	NEXT_OPCODE();
}


int zend_exit_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (EX(opline)->op1.op_type != IS_UNUSED) {
		zval *ptr;

		ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
		if (Z_TYPE_P(ptr) == IS_LONG) {
			EG(exit_status) = Z_LVAL_P(ptr);
		} else {
			zend_print_variable(ptr);
		}
		FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	}
	zend_bailout();
	NEXT_OPCODE();
}


int zend_begin_silence_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	EX_T(EX(opline)->result.u.var).tmp_var.value.lval = EG(error_reporting);
	EX_T(EX(opline)->result.u.var).tmp_var.type = IS_LONG;  /* shouldn't be necessary */
	zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), "0", 1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
	NEXT_OPCODE();
}


int zend_raise_abstract_error_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_error(E_ERROR, "Cannot call abstract method %s::%s()", EG(scope)->name, op_array->function_name);
	NEXT_OPCODE(); /* Never reached */
}


int zend_end_silence_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval restored_error_reporting;
	
	restored_error_reporting.type = IS_LONG;
	restored_error_reporting.value.lval = EX_T(EX(opline)->op1.u.var).tmp_var.value.lval;
	convert_to_string(&restored_error_reporting);
	zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), Z_STRVAL(restored_error_reporting), Z_STRLEN(restored_error_reporting), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
	zendi_zval_dtor(restored_error_reporting);
	NEXT_OPCODE();
}


int zend_qm_assign_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);

	EX_T(EX(opline)->result.u.var).tmp_var = *value;
	if (!EG(free_op1)) {
		zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
	}
	NEXT_OPCODE();
}


int zend_ext_stmt_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (!EG(no_extensions)) {
		zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_statement_handler, op_array TSRMLS_CC);
	}
	NEXT_OPCODE();
}


int zend_ext_fcall_begin_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (!EG(no_extensions)) {
		zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_begin_handler, op_array TSRMLS_CC);
	}
	NEXT_OPCODE();
}


int zend_ext_fcall_end_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (!EG(no_extensions)) {
		zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_end_handler, op_array TSRMLS_CC);
	}
	NEXT_OPCODE();
}


int zend_declare_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	EX_T(EX(opline)->result.u.var).EA.class_entry = do_bind_class(EX(opline), EG(function_table), EG(class_table) TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_declare_inherited_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	EX_T(EX(opline)->result.u.var).EA.class_entry = do_bind_inherited_class(EX(opline), EG(function_table), EG(class_table), EX_T(EX(opline)->extended_value).EA.class_entry TSRMLS_CC);
	NEXT_OPCODE();
}


int zend_declare_function_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	do_bind_function(EX(opline), EG(function_table), EG(class_table), 0);
	NEXT_OPCODE();
}


int zend_ticks_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	if (++EG(ticks_count)>=EX(opline)->op1.u.constant.value.lval) {
		EG(ticks_count)=0;
		if (zend_ticks_function) {
			zend_ticks_function(EX(opline)->op1.u.constant.value.lval);
		}
	}
	NEXT_OPCODE();
}


int zend_instanceof_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *expr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
	zend_bool result;

	if (Z_TYPE_P(expr) == IS_OBJECT) {
		result = instanceof_function(Z_OBJCE_P(expr), EX_T(EX(opline)->op2.u.var).EA.class_entry TSRMLS_CC);
	} else {
		result = 0;
	}
	ZVAL_BOOL(&EX_T(EX(opline)->result.u.var).tmp_var, result);
	FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
	NEXT_OPCODE();
}


int zend_ext_nop_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	NEXT_OPCODE();
}


int zend_nop_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	NEXT_OPCODE();
}

int zend_add_interface_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_class_entry *ce = EX_T(EX(opline)->op1.u.var).EA.class_entry;
	zend_class_entry *iface = EX_T(EX(opline)->op2.u.var).EA.class_entry;

	if (!(iface->ce_flags & ZEND_ACC_INTERFACE)) {
		zend_error(E_ERROR, "%s cannot implement %s - it is not an interface", ce->name, iface->name);
	}

	ce->interfaces[EX(opline)->extended_value] = iface;

	zend_do_implement_interface(ce, iface);

	NEXT_OPCODE();
}


int zend_verify_instanceof_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zval *arg = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
	zend_class_entry *ce = EX_T(EX(opline)->op1.u.var).EA.class_entry;

	if ((Z_TYPE_P(arg) != IS_OBJECT)
		|| !instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC)) {
		char *error_msg;

		if (ce->ce_flags & ZEND_ACC_INTERFACE) {
			error_msg = "implement interface";
		} else {
			error_msg = "be an instance of";
		}
		zend_error(E_ERROR, "Argument %d must %s %s", EX(opline)->extended_value, error_msg, ce->name);
	}

	NEXT_OPCODE();
}


#define MAX_ABSTRACT_INFO_CNT 3
#define MAX_ABSTRACT_INFO_FMT "%s%s%s%s"

#define DISPLAY_ABSTRACT_FN(idx) \
	ai.afn[idx] ? ZEND_FN_SCOPE_NAME(ai.afn[idx]) : "", \
	ai.afn[idx] ? "::" : "", \
	ai.afn[idx] ? ai.afn[idx]->common.function_name : "", \
	ai.afn[idx] && ai.afn[idx+1] ? ", " : (ai.afn[idx] && ai.cnt >= MAX_ABSTRACT_INFO_CNT ? ", ..." : "")

typedef struct _zend_abstract_info {
	zend_function *afn[MAX_ABSTRACT_INFO_CNT+1];
	int cnt;
} zend_abstract_info;

int zend_verify_abstract_class_function(zend_function *fn, zend_abstract_info *ai TSRMLS_DC)
{
	if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
		if (ai->cnt < MAX_ABSTRACT_INFO_CNT) {
			ai->afn[ai->cnt] = fn;
		}
		ai->cnt++;
	}
	return 0;
}

int zend_verify_abstract_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
	zend_class_entry *ce = EX_T(EX(opline)->op1.u.var).EA.class_entry;
	zend_abstract_info ai;

	if ((ce->ce_flags & ZEND_ACC_ABSTRACT) && !(ce->ce_flags & ZEND_ACC_ABSTRACT_CLASS)) {
		memset(&ai, 0, sizeof(ai));

		zend_hash_apply_with_argument(&ce->function_table, (apply_func_arg_t) zend_verify_abstract_class_function, &ai TSRMLS_CC);
		
		zend_error(E_ERROR, "Class %s contains %d abstract methods and must therefore be declared abstract (" MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT ")", 
			ce->name, ai.cnt, 
			DISPLAY_ABSTRACT_FN(0),
			DISPLAY_ABSTRACT_FN(1),
			DISPLAY_ABSTRACT_FN(2)
			);
	}

	NEXT_OPCODE();
}


void zend_init_opcodes_handlers()
{
	zend_opcode_handlers[ZEND_NOP] = zend_nop_handler;
	zend_opcode_handlers[ZEND_ADD] = zend_add_handler;
	zend_opcode_handlers[ZEND_SUB] = zend_sub_handler;
	zend_opcode_handlers[ZEND_MUL] = zend_mul_handler;
	zend_opcode_handlers[ZEND_DIV] = zend_div_handler;
	zend_opcode_handlers[ZEND_MOD] = zend_mod_handler;
	zend_opcode_handlers[ZEND_SL] = zend_sl_handler;
	zend_opcode_handlers[ZEND_SR] = zend_sr_handler;
	zend_opcode_handlers[ZEND_CONCAT] = zend_concat_handler;
	zend_opcode_handlers[ZEND_BW_OR] = zend_bw_or_handler;
	zend_opcode_handlers[ZEND_BW_AND] = zend_bw_and_handler;
	zend_opcode_handlers[ZEND_BW_XOR] = zend_bw_xor_handler;
	zend_opcode_handlers[ZEND_BW_NOT] = zend_bw_not_handler;
	zend_opcode_handlers[ZEND_BOOL_NOT] = zend_bool_not_handler;
	zend_opcode_handlers[ZEND_BOOL_XOR] = zend_bool_xor_handler;
	zend_opcode_handlers[ZEND_IS_IDENTICAL] = zend_is_identical_handler;
	zend_opcode_handlers[ZEND_IS_NOT_IDENTICAL] = zend_is_not_identical_handler;
	zend_opcode_handlers[ZEND_IS_EQUAL] = zend_is_equal_handler;
	zend_opcode_handlers[ZEND_IS_NOT_EQUAL] = zend_is_not_equal_handler;
	zend_opcode_handlers[ZEND_IS_SMALLER] = zend_is_smaller_handler;
	zend_opcode_handlers[ZEND_IS_SMALLER_OR_EQUAL] = zend_is_smaller_or_equal_handler;
	zend_opcode_handlers[ZEND_CAST] = zend_cast_handler;
	zend_opcode_handlers[ZEND_QM_ASSIGN] = zend_qm_assign_handler;

	zend_opcode_handlers[ZEND_ASSIGN_ADD] = zend_assign_add_handler;
	zend_opcode_handlers[ZEND_ASSIGN_SUB] = zend_assign_sub_handler;
	zend_opcode_handlers[ZEND_ASSIGN_MUL] = zend_assign_mul_handler;
	zend_opcode_handlers[ZEND_ASSIGN_DIV] = zend_assign_div_handler;
	zend_opcode_handlers[ZEND_ASSIGN_MOD] = zend_assign_mod_handler;
	zend_opcode_handlers[ZEND_ASSIGN_SL] = zend_assign_sl_handler;
	zend_opcode_handlers[ZEND_ASSIGN_SR] = zend_assign_sr_handler;
	zend_opcode_handlers[ZEND_ASSIGN_CONCAT] = zend_assign_concat_handler;
	zend_opcode_handlers[ZEND_ASSIGN_BW_OR] = zend_assign_bw_or_handler;
	zend_opcode_handlers[ZEND_ASSIGN_BW_AND] = zend_assign_bw_and_handler;
	zend_opcode_handlers[ZEND_ASSIGN_BW_XOR] = zend_assign_bw_xor_handler;

	zend_opcode_handlers[ZEND_PRE_INC] = zend_pre_inc_handler;
	zend_opcode_handlers[ZEND_PRE_DEC] = zend_pre_dec_handler;
	zend_opcode_handlers[ZEND_POST_INC] = zend_post_inc_handler;
	zend_opcode_handlers[ZEND_POST_DEC] = zend_post_dec_handler;

	zend_opcode_handlers[ZEND_ASSIGN] = zend_assign_handler;
	zend_opcode_handlers[ZEND_ASSIGN_REF] = zend_assign_ref_handler;

	zend_opcode_handlers[ZEND_ECHO] = zend_echo_handler;
	zend_opcode_handlers[ZEND_PRINT] = zend_print_handler;

	zend_opcode_handlers[ZEND_JMP] = zend_jmp_handler;
	zend_opcode_handlers[ZEND_JMPZ] = zend_jmpz_handler;
	zend_opcode_handlers[ZEND_JMPNZ] = zend_jmpnz_handler;
	zend_opcode_handlers[ZEND_JMPZNZ] = zend_jmpznz_handler;
	zend_opcode_handlers[ZEND_JMPZ_EX] = zend_jmpz_ex_handler;
	zend_opcode_handlers[ZEND_JMPNZ_EX] = zend_jmpnz_ex_handler;
	zend_opcode_handlers[ZEND_CASE] = zend_case_handler;
	zend_opcode_handlers[ZEND_SWITCH_FREE] = zend_switch_free_handler;
	zend_opcode_handlers[ZEND_BRK] = zend_brk_handler;
	zend_opcode_handlers[ZEND_CONT] = zend_cont_handler;
	zend_opcode_handlers[ZEND_BOOL] = zend_bool_handler;

	zend_opcode_handlers[ZEND_INIT_STRING] = zend_init_string_handler;
	zend_opcode_handlers[ZEND_ADD_CHAR] = zend_add_char_handler;
	zend_opcode_handlers[ZEND_ADD_STRING] = zend_add_string_handler;
	zend_opcode_handlers[ZEND_ADD_VAR] = zend_add_var_handler;

	zend_opcode_handlers[ZEND_BEGIN_SILENCE] = zend_begin_silence_handler;
	zend_opcode_handlers[ZEND_END_SILENCE] = zend_end_silence_handler;

	zend_opcode_handlers[ZEND_INIT_FCALL_BY_NAME] = zend_init_fcall_by_name_handler;
	zend_opcode_handlers[ZEND_DO_FCALL] = zend_do_fcall_handler;
	zend_opcode_handlers[ZEND_DO_FCALL_BY_NAME] = zend_do_fcall_by_name_handler;
	zend_opcode_handlers[ZEND_RETURN] = zend_return_handler;

	zend_opcode_handlers[ZEND_RECV] = zend_recv_handler;
	zend_opcode_handlers[ZEND_RECV_INIT] = zend_recv_init_handler;

	zend_opcode_handlers[ZEND_SEND_VAL] = zend_send_val_handler;
	zend_opcode_handlers[ZEND_SEND_VAR] = zend_send_var_handler;
	zend_opcode_handlers[ZEND_SEND_REF] = zend_send_ref_handler;

	zend_opcode_handlers[ZEND_NEW] = zend_new_handler;
	zend_opcode_handlers[ZEND_JMP_NO_CTOR] = zend_jmp_no_ctor_handler;
	zend_opcode_handlers[ZEND_FREE] = zend_free_handler;

	zend_opcode_handlers[ZEND_INIT_ARRAY] = zend_init_array_handler;
	zend_opcode_handlers[ZEND_ADD_ARRAY_ELEMENT] = zend_add_array_element_handler;

	zend_opcode_handlers[ZEND_INCLUDE_OR_EVAL] = zend_include_or_eval_handler;

	zend_opcode_handlers[ZEND_UNSET_VAR] = zend_unset_var_handler;
	zend_opcode_handlers[ZEND_UNSET_DIM_OBJ] = zend_unset_dim_obj_handler;

	zend_opcode_handlers[ZEND_FE_RESET] = zend_fe_reset_handler;
	zend_opcode_handlers[ZEND_FE_FETCH] = zend_fe_fetch_handler;

	zend_opcode_handlers[ZEND_EXIT] = zend_exit_handler;

	zend_opcode_handlers[ZEND_FETCH_R] = zend_fetch_r_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_R] = zend_fetch_dim_r_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_R] = zend_fetch_obj_r_handler;
	zend_opcode_handlers[ZEND_FETCH_W] = zend_fetch_w_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_W] = zend_fetch_dim_w_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_W] = zend_fetch_obj_w_handler;
	zend_opcode_handlers[ZEND_FETCH_RW] = zend_fetch_rw_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_RW] = zend_fetch_dim_rw_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_RW] = zend_fetch_obj_rw_handler;
	zend_opcode_handlers[ZEND_FETCH_IS] = zend_fetch_is_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_IS] = zend_fetch_dim_is_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_IS] = zend_fetch_obj_is_handler;
	zend_opcode_handlers[ZEND_FETCH_FUNC_ARG] = zend_fetch_func_arg_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_FUNC_ARG] = zend_fetch_dim_func_arg_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_FUNC_ARG] = zend_fetch_obj_func_arg_handler;
	zend_opcode_handlers[ZEND_FETCH_UNSET] = zend_fetch_unset_handler;
	zend_opcode_handlers[ZEND_FETCH_DIM_UNSET] = zend_fetch_dim_unset_handler;
	zend_opcode_handlers[ZEND_FETCH_OBJ_UNSET] = zend_fetch_obj_unset_handler;

	zend_opcode_handlers[ZEND_FETCH_DIM_TMP_VAR] = zend_fetch_dim_tmp_var_handler;
	zend_opcode_handlers[ZEND_FETCH_CONSTANT] = zend_fetch_constant_handler;

	zend_opcode_handlers[ZEND_EXT_STMT] = zend_ext_stmt_handler;
	zend_opcode_handlers[ZEND_EXT_FCALL_BEGIN] = zend_ext_fcall_begin_handler;
	zend_opcode_handlers[ZEND_EXT_FCALL_END] = zend_ext_fcall_end_handler;
	zend_opcode_handlers[ZEND_EXT_NOP] = zend_ext_nop_handler;

	zend_opcode_handlers[ZEND_TICKS] = zend_ticks_handler;

	zend_opcode_handlers[ZEND_SEND_VAR_NO_REF] = zend_send_var_no_ref_handler;

	zend_opcode_handlers[ZEND_CATCH] = zend_catch_handler;
	zend_opcode_handlers[ZEND_THROW] = zend_throw_handler;

	zend_opcode_handlers[ZEND_FETCH_CLASS] = zend_fetch_class_handler;

	zend_opcode_handlers[ZEND_CLONE] = zend_clone_handler;

	zend_opcode_handlers[ZEND_INIT_CTOR_CALL] = zend_init_ctor_call_handler;
	zend_opcode_handlers[ZEND_INIT_METHOD_CALL] = zend_init_method_call_handler;
	zend_opcode_handlers[ZEND_INIT_STATIC_METHOD_CALL] = zend_init_static_method_call_handler;

	zend_opcode_handlers[ZEND_ISSET_ISEMPTY_VAR] = zend_isset_isempty_var_handler;
	zend_opcode_handlers[ZEND_ISSET_ISEMPTY_DIM_OBJ] = zend_isset_isempty_dim_obj_handler;

	zend_opcode_handlers[ZEND_PRE_INC_OBJ] = zend_pre_inc_obj_handler;
	zend_opcode_handlers[ZEND_PRE_DEC_OBJ] = zend_pre_dec_obj_handler;
	zend_opcode_handlers[ZEND_POST_INC_OBJ] = zend_post_inc_obj_handler;
	zend_opcode_handlers[ZEND_POST_DEC_OBJ] = zend_post_dec_obj_handler;

	zend_opcode_handlers[ZEND_ASSIGN_OBJ] = zend_assign_obj_handler;
	zend_opcode_handlers[ZEND_OP_DATA] = NULL;

	zend_opcode_handlers[ZEND_INSTANCEOF] = zend_instanceof_handler;

	zend_opcode_handlers[ZEND_DECLARE_CLASS] = zend_declare_class_handler;
	zend_opcode_handlers[ZEND_DECLARE_INHERITED_CLASS] = zend_declare_inherited_class_handler;
	zend_opcode_handlers[ZEND_DECLARE_FUNCTION] = zend_declare_function_handler;

	zend_opcode_handlers[ZEND_RAISE_ABSTRACT_ERROR] = zend_raise_abstract_error_handler;

	zend_opcode_handlers[ZEND_ADD_INTERFACE] = zend_add_interface_handler;
	zend_opcode_handlers[ZEND_VERIFY_INSTANCEOF] = zend_verify_instanceof_handler;
	zend_opcode_handlers[ZEND_VERIFY_ABSTRACT_CLASS] = zend_verify_abstract_class_handler;

	zend_opcode_handlers[ZEND_ASSIGN_DIM] = zend_assign_dim_handler;
}

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 */