mirror of
https://github.com/php/php-src.git
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436 lines
10 KiB
C
436 lines
10 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Rasmus Lerdorf <rasmus@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "php_incomplete_class.h"
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/* {{{ proto string gettype(mixed var)
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Returns the type of the variable */
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PHP_FUNCTION(gettype)
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{
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zval *arg;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
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return;
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}
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switch (Z_TYPE_P(arg)) {
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case IS_NULL:
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RETVAL_STRING("NULL");
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break;
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case IS_FALSE:
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case IS_TRUE:
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RETVAL_STRING("boolean");
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break;
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case IS_LONG:
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RETVAL_STRING("integer");
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break;
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case IS_DOUBLE:
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RETVAL_STRING("double");
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break;
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case IS_STRING:
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RETVAL_STRING("string");
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break;
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case IS_ARRAY:
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RETVAL_STRING("array");
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break;
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case IS_OBJECT:
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RETVAL_STRING("object");
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/*
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{
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char *result;
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int res_len;
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res_len = sizeof("object of type ")-1 + Z_OBJCE_P(arg)->name_length;
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spprintf(&result, 0, "object of type %s", Z_OBJCE_P(arg)->name);
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RETVAL_STRINGL(result, res_len);
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efree(result);
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}
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*/
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break;
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case IS_RESOURCE:
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{
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const char *type_name = zend_rsrc_list_get_rsrc_type(Z_RES_P(arg) TSRMLS_CC);
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if (type_name) {
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RETVAL_STRING("resource");
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break;
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}
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}
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default:
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RETVAL_STRING("unknown type");
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}
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}
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/* }}} */
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/* {{{ proto bool settype(mixed var, string type)
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Set the type of the variable */
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PHP_FUNCTION(settype)
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{
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zval *var;
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char *type;
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size_t type_len = 0;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &var, &type, &type_len) == FAILURE) {
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return;
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}
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ZVAL_DEREF(var);
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SEPARATE_ZVAL_NOREF(var);
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if (!strcasecmp(type, "integer")) {
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convert_to_long(var);
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} else if (!strcasecmp(type, "int")) {
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convert_to_long(var);
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} else if (!strcasecmp(type, "float")) {
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convert_to_double(var);
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} else if (!strcasecmp(type, "double")) { /* deprecated */
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convert_to_double(var);
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} else if (!strcasecmp(type, "string")) {
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convert_to_string(var);
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} else if (!strcasecmp(type, "array")) {
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convert_to_array(var);
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} else if (!strcasecmp(type, "object")) {
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convert_to_object(var);
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} else if (!strcasecmp(type, "bool")) {
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convert_to_boolean(var);
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} else if (!strcasecmp(type, "boolean")) {
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convert_to_boolean(var);
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} else if (!strcasecmp(type, "null")) {
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convert_to_null(var);
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} else if (!strcasecmp(type, "resource")) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot convert to resource type");
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RETURN_FALSE;
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} else {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid type");
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RETURN_FALSE;
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}
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RETVAL_TRUE;
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}
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/* }}} */
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/* {{{ proto int intval(mixed var [, int base])
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Get the integer value of a variable using the optional base for the conversion */
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PHP_FUNCTION(intval)
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{
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zval *num;
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zend_long base = 10;
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if (ZEND_NUM_ARGS() != 1 && ZEND_NUM_ARGS() != 2) {
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WRONG_PARAM_COUNT;
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}
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#ifndef FAST_ZPP
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &num, &base) == FAILURE) {
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return;
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}
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#else
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ZEND_PARSE_PARAMETERS_START(1, 2)
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Z_PARAM_ZVAL(num)
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Z_PARAM_OPTIONAL
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Z_PARAM_LONG(base)
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ZEND_PARSE_PARAMETERS_END();
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#endif
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RETVAL_ZVAL(num, 1, 0);
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convert_to_long_base(return_value, base);
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}
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/* }}} */
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/* {{{ proto float floatval(mixed var)
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Get the float value of a variable */
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PHP_FUNCTION(floatval)
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{
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zval *num;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &num) == FAILURE) {
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return;
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}
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RETVAL_ZVAL(num, 1, 0);
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convert_to_double(return_value);
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}
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/* }}} */
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/* {{{ proto bool boolval(mixed var)
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Get the boolean value of a variable */
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PHP_FUNCTION(boolval)
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{
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zval *val;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &val) == FAILURE) {
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return;
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}
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RETURN_BOOL(zend_is_true(val TSRMLS_CC));
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}
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/* }}} */
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/* {{{ proto string strval(mixed var)
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Get the string value of a variable */
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PHP_FUNCTION(strval)
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{
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zval *num;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &num) == FAILURE) {
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return;
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}
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RETVAL_STR(zval_get_string(num));
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}
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/* }}} */
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static inline void php_is_type(INTERNAL_FUNCTION_PARAMETERS, int type)
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{
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zval *arg;
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#ifndef FAST_ZPP
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
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RETURN_FALSE;
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}
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ZVAL_DEREF(arg);
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#else
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ZEND_PARSE_PARAMETERS_START(1, 1)
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Z_PARAM_ZVAL_DEREF(arg)
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ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
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#endif
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if (Z_TYPE_P(arg) == type) {
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if (type == IS_OBJECT) {
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zend_class_entry *ce;
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if (Z_OBJ_HT_P(arg)->get_class_entry == NULL) {
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/* if there's no get_class_entry it's not a PHP object, so it can't be INCOMPLETE_CLASS */
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RETURN_TRUE;
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}
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ce = Z_OBJCE_P(arg);
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if (ce->name->len == sizeof(INCOMPLETE_CLASS) - 1
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&& !strncmp(ce->name->val, INCOMPLETE_CLASS, ce->name->len)) {
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RETURN_FALSE;
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}
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} else if (type == IS_RESOURCE) {
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const char *type_name = zend_rsrc_list_get_rsrc_type(Z_RES_P(arg) TSRMLS_CC);
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if (!type_name) {
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RETURN_FALSE;
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}
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}
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RETURN_TRUE;
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} else {
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RETURN_FALSE;
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}
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}
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/* {{{ proto bool is_null(mixed var)
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Returns true if variable is null
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_null)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_NULL);
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}
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/* }}} */
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/* {{{ proto bool is_resource(mixed var)
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Returns true if variable is a resource
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_resource)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_RESOURCE);
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}
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/* }}} */
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/* {{{ proto bool is_bool(mixed var)
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Returns true if variable is a boolean
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_bool)
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{
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zval *arg;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
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RETURN_FALSE;
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}
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ZVAL_DEREF(arg);
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RETURN_BOOL(Z_TYPE_P(arg) == IS_FALSE || Z_TYPE_P(arg) == IS_TRUE);
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}
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/* }}} */
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/* {{{ proto bool is_long(mixed var)
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Returns true if variable is a long (integer)
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_long)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_LONG);
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}
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/* }}} */
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/* {{{ proto bool is_float(mixed var)
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Returns true if variable is float point
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_float)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_DOUBLE);
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}
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/* }}} */
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/* {{{ proto bool is_string(mixed var)
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Returns true if variable is a string
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_string)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_STRING);
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}
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/* }}} */
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/* {{{ proto bool is_array(mixed var)
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Returns true if variable is an array
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_array)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_ARRAY);
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}
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/* }}} */
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/* {{{ proto bool is_object(mixed var)
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Returns true if variable is an object
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Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
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PHP_FUNCTION(is_object)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_OBJECT);
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}
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/* }}} */
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/* {{{ proto bool is_numeric(mixed value)
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Returns true if value is a number or a numeric string */
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PHP_FUNCTION(is_numeric)
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{
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zval *arg;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
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return;
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}
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switch (Z_TYPE_P(arg)) {
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case IS_LONG:
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case IS_DOUBLE:
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RETURN_TRUE;
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break;
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case IS_STRING:
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if (is_numeric_string(Z_STRVAL_P(arg), Z_STRLEN_P(arg), NULL, NULL, 0)) {
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RETURN_TRUE;
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} else {
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RETURN_FALSE;
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}
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break;
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default:
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RETURN_FALSE;
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break;
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}
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}
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/* }}} */
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/* {{{ proto bool is_scalar(mixed value)
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Returns true if value is a scalar */
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PHP_FUNCTION(is_scalar)
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{
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zval *arg;
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#ifndef FAST_ZPP
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
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return;
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}
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#else
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ZEND_PARSE_PARAMETERS_START(1, 1)
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Z_PARAM_ZVAL(arg)
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ZEND_PARSE_PARAMETERS_END();
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#endif
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switch (Z_TYPE_P(arg)) {
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case IS_FALSE:
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case IS_TRUE:
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case IS_DOUBLE:
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case IS_LONG:
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case IS_STRING:
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RETURN_TRUE;
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break;
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default:
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RETURN_FALSE;
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break;
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}
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}
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/* }}} */
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/* {{{ proto bool is_callable(mixed var [, bool syntax_only [, string callable_name]])
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Returns true if var is callable. */
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PHP_FUNCTION(is_callable)
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{
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zval *var, *callable_name = NULL;
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zend_string *name;
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char *error;
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zend_bool retval;
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zend_bool syntax_only = 0;
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int check_flags = 0;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|bz/", &var,
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&syntax_only, &callable_name) == FAILURE) {
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return;
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}
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if (syntax_only) {
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check_flags |= IS_CALLABLE_CHECK_SYNTAX_ONLY;
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}
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if (ZEND_NUM_ARGS() > 2) {
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retval = zend_is_callable_ex(var, NULL, check_flags, &name, NULL, &error TSRMLS_CC);
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zval_dtor(callable_name);
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//??? is it necessary to be consistent with old PHP ("\0" support)
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if (UNEXPECTED(name->len) != strlen(name->val)) {
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ZVAL_STRINGL(callable_name, name->val, strlen(name->val));
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zend_string_release(name);
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} else {
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ZVAL_STR(callable_name, name);
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}
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} else {
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retval = zend_is_callable_ex(var, NULL, check_flags, NULL, NULL, &error TSRMLS_CC);
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}
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if (error) {
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/* ignore errors */
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efree(error);
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}
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RETURN_BOOL(retval);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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