mirror of
https://github.com/php/php-src.git
synced 2024-09-22 02:17:32 +00:00
491 lines
12 KiB
C
491 lines
12 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2008 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) U
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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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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switch (Z_TYPE_PP(arg)) {
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case IS_NULL:
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RETVAL_ASCII_STRING("NULL", 1);
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break;
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case IS_BOOL:
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RETVAL_ASCII_STRING("boolean", 1);
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break;
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case IS_LONG:
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RETVAL_ASCII_STRING("integer", 1);
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break;
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case IS_DOUBLE:
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RETVAL_ASCII_STRING("double", 1);
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break;
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case IS_STRING:
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RETVAL_ASCII_STRING("string", 1);
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break;
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case IS_UNICODE:
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RETVAL_ASCII_STRING("unicode", 1);
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break;
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case IS_ARRAY:
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RETVAL_ASCII_STRING("array", 1);
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break;
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case IS_OBJECT:
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RETVAL_ASCII_STRING("object", 1);
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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, 0);
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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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char *type_name;
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type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(arg) TSRMLS_CC);
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if (type_name) {
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RETVAL_ASCII_STRING("resource", 1);
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break;
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}
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}
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default:
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RETVAL_ASCII_STRING("unknown type", 1);
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}
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}
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/* }}} */
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/* {{{ proto bool settype(mixed var, string type) U
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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, **type;
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char *new_type;
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if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &var, &type) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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convert_to_string_ex(type);
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new_type = Z_STRVAL_PP(type);
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if (!strcasecmp(new_type, "integer")) {
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convert_to_long(*var);
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} else if (!strcasecmp(new_type, "int")) {
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convert_to_long(*var);
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} else if (!strcasecmp(new_type, "float")) {
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convert_to_double(*var);
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} else if (!strcasecmp(new_type, "double")) { /* deprecated */
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convert_to_double(*var);
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} else if (!strcasecmp(new_type, "binary")) { /* explicit binary cast */
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convert_to_string(*var);
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} else if (!strcasecmp(new_type, "string")) { /* runtime string type */
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if (UG(unicode)) {
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convert_to_unicode(*var);
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} else {
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convert_to_string(*var);
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}
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} else if (!strcasecmp(new_type, "unicode")) { /* explicit unicode cast */
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convert_to_unicode(*var);
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} else if (!strcasecmp(new_type, "array")) {
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convert_to_array(*var);
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} else if (!strcasecmp(new_type, "object")) {
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convert_to_object(*var);
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} else if (!strcasecmp(new_type, "bool")) {
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convert_to_boolean(*var);
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} else if (!strcasecmp(new_type, "boolean")) {
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convert_to_boolean(*var);
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} else if (!strcasecmp(new_type, "null")) {
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convert_to_null(*var);
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} else if (!strcasecmp(new_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]) U
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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, **arg_base;
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int base;
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switch (ZEND_NUM_ARGS()) {
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case 1:
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if (zend_get_parameters_ex(1, &num) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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base = 10;
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break;
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case 2:
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if (zend_get_parameters_ex(2, &num, &arg_base) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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convert_to_long_ex(arg_base);
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base = Z_LVAL_PP(arg_base);
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break;
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default:
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WRONG_PARAM_COUNT;
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}
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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) U
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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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &num) == FAILURE) {
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WRONG_PARAM_COUNT;
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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 string strval(mixed var) U
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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, *tmp;
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zval expr_copy;
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int use_copy;
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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &num) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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if (UG(unicode)) {
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zend_make_unicode_zval(*num, &expr_copy, &use_copy);
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} else {
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zend_make_string_zval(*num, &expr_copy, &use_copy);
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}
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if (use_copy) {
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tmp = &expr_copy;
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RETVAL_ZVAL(tmp, 0, 0);
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} else {
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RETVAL_ZVAL(*num, 1, 0);
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}
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}
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/* }}} */
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static void php_is_type(INTERNAL_FUNCTION_PARAMETERS, int type) /* {{{ */
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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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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_length != sizeof(INCOMPLETE_CLASS) - 1) {
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/* We can get away with this because INCOMPLETE_CLASS is ascii and has a 1:1 relationship with unicode */
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RETURN_TRUE;
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} else if (UG(unicode)) {
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#ifndef PHP_WIN32
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U_STRING_DECL(uIncompleteClass, (INCOMPLETE_CLASS), sizeof(INCOMPLETE_CLASS) - 1);
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U_STRING_INIT(uIncompleteClass, (INCOMPLETE_CLASS), sizeof(INCOMPLETE_CLASS) - 1);
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if (!memcmp(ce->name.u, uIncompleteClass, UBYTES(sizeof(INCOMPLETE_CLASS)))) {
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RETURN_FALSE;
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}
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#else /* WIN32 -- U_STRING_DECL breaks under Win32 with string macros */
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char *ascii_name = zend_unicode_to_ascii(ce->name.u, ce->name_length TSRMLS_CC);
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if (ascii_name) {
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if (memcmp(INCOMPLETE_CLASS, ascii_name, sizeof(INCOMPLETE_CLASS) - 1) == 0) {
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efree(ascii_name);
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RETURN_FALSE;
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}
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efree(ascii_name);
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}
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/* Non-ascii class name means it can't be INCOMPLETE_CLASS and is therefore okay */
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#endif
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} else {
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if (!memcmp(ce->name.s, INCOMPLETE_CLASS, sizeof(INCOMPLETE_CLASS))) {
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RETURN_FALSE;
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}
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}
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}
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if (type == IS_RESOURCE) {
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char *type_name;
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type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_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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/* }}} */
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/* {{{ proto bool is_null(mixed var) U
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Returns true if variable is null */
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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) U
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Returns true if variable is a resource */
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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) U
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Returns true if variable is a boolean */
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PHP_FUNCTION(is_bool)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_BOOL);
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}
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/* }}} */
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/* {{{ proto bool is_long(mixed var) U
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Returns true if variable is a long (integer) */
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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) U
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Returns true if variable is float point*/
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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_binary(mixed var) U
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Returns true if variable is a native (binary) string */
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PHP_FUNCTION(is_binary)
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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_string(mixed var) U
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Returns true if variable is a Unicode or binary string */
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PHP_FUNCTION(is_string)
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{
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zval **arg;
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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only one argument expected");
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RETURN_FALSE;
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}
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if (Z_TYPE_PP(arg) == IS_UNICODE || Z_TYPE_PP(arg) == IS_STRING) {
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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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/* }}} */
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/* {{{ proto bool is_unicode(mixed var) U
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Returns true if variable is a unicode string */
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PHP_FUNCTION(is_unicode)
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{
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php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_UNICODE);
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}
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/* }}} */
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/* {{{ proto bool is_buffer(mixed var) U
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Returns true if variable is a native, unicode or binary string */
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PHP_FUNCTION(is_buffer)
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{
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zval **arg;
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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only one argument expected");
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RETURN_FALSE;
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}
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if (Z_TYPE_PP(arg) == IS_STRING || Z_TYPE_PP(arg) == IS_UNICODE) {
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RETURN_TRUE;
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}
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RETURN_FALSE;
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}
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/* }}} */
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/* {{{ proto bool is_array(mixed var) U
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Returns true if variable is an array */
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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) U
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Returns true if variable is an object */
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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) U
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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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int result;
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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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switch (Z_TYPE_PP(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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result = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), NULL, NULL, 0);
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if (result == IS_LONG || result == IS_DOUBLE) {
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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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case IS_UNICODE:
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result = is_numeric_unicode(Z_USTRVAL_PP(arg), Z_USTRLEN_PP(arg), NULL, NULL, 0);
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if (result == IS_LONG || result == IS_DOUBLE) {
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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) U
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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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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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switch (Z_TYPE_PP(arg)) {
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case IS_BOOL:
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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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case IS_UNICODE:
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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]]) U
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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;
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zval name;
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zend_bool retval;
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zend_bool syntax_only = 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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syntax_only = syntax_only ? IS_CALLABLE_CHECK_SYNTAX_ONLY : 0;
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if (ZEND_NUM_ARGS() > 2) {
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retval = zend_is_callable(var, syntax_only, &name);
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REPLACE_ZVAL_VALUE(callable_name, &name, 0);
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} else {
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retval = zend_is_callable(var, syntax_only, NULL);
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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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