diff options
author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-03-14 05:42:27 +0000 |
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committer | <> | 2013-04-03 16:25:08 +0000 |
commit | c4dd7a1a684490673e25aaf4fabec5df138854c4 (patch) | |
tree | 4d57c44caae4480efff02b90b9be86f44bf25409 /Zend/zend_builtin_functions.c | |
download | php2-master.tar.gz |
Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master
Diffstat (limited to 'Zend/zend_builtin_functions.c')
-rw-r--r-- | Zend/zend_builtin_functions.c | 2454 |
1 files changed, 2454 insertions, 0 deletions
diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c new file mode 100644 index 0000000..fcd1dea --- /dev/null +++ b/Zend/zend_builtin_functions.c @@ -0,0 +1,2454 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2013 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> | + +----------------------------------------------------------------------+ +*/ + +/* $Id$ */ + +#include "zend.h" +#include "zend_API.h" +#include "zend_builtin_functions.h" +#include "zend_constants.h" +#include "zend_ini.h" +#include "zend_exceptions.h" +#include "zend_extensions.h" +#include "zend_closures.h" + +#undef ZEND_TEST_EXCEPTIONS + +static ZEND_FUNCTION(zend_version); +static ZEND_FUNCTION(func_num_args); +static ZEND_FUNCTION(func_get_arg); +static ZEND_FUNCTION(func_get_args); +static ZEND_FUNCTION(strlen); +static ZEND_FUNCTION(strcmp); +static ZEND_FUNCTION(strncmp); +static ZEND_FUNCTION(strcasecmp); +static ZEND_FUNCTION(strncasecmp); +static ZEND_FUNCTION(each); +static ZEND_FUNCTION(error_reporting); +static ZEND_FUNCTION(define); +static ZEND_FUNCTION(defined); +static ZEND_FUNCTION(get_class); +static ZEND_FUNCTION(get_called_class); +static ZEND_FUNCTION(get_parent_class); +static ZEND_FUNCTION(method_exists); +static ZEND_FUNCTION(property_exists); +static ZEND_FUNCTION(class_exists); +static ZEND_FUNCTION(interface_exists); +static ZEND_FUNCTION(trait_exists); +static ZEND_FUNCTION(function_exists); +static ZEND_FUNCTION(class_alias); +#if ZEND_DEBUG +static ZEND_FUNCTION(leak); +static ZEND_FUNCTION(leak_variable); +#ifdef ZEND_TEST_EXCEPTIONS +static ZEND_FUNCTION(crash); +#endif +#endif +static ZEND_FUNCTION(get_included_files); +static ZEND_FUNCTION(is_subclass_of); +static ZEND_FUNCTION(is_a); +static ZEND_FUNCTION(get_class_vars); +static ZEND_FUNCTION(get_object_vars); +static ZEND_FUNCTION(get_class_methods); +static ZEND_FUNCTION(trigger_error); +static ZEND_FUNCTION(set_error_handler); +static ZEND_FUNCTION(restore_error_handler); +static ZEND_FUNCTION(set_exception_handler); +static ZEND_FUNCTION(restore_exception_handler); +static ZEND_FUNCTION(get_declared_classes); +static ZEND_FUNCTION(get_declared_traits); +static ZEND_FUNCTION(get_declared_interfaces); +static ZEND_FUNCTION(get_defined_functions); +static ZEND_FUNCTION(get_defined_vars); +static ZEND_FUNCTION(create_function); +static ZEND_FUNCTION(get_resource_type); +static ZEND_FUNCTION(get_loaded_extensions); +static ZEND_FUNCTION(extension_loaded); +static ZEND_FUNCTION(get_extension_funcs); +static ZEND_FUNCTION(get_defined_constants); +static ZEND_FUNCTION(debug_backtrace); +static ZEND_FUNCTION(debug_print_backtrace); +#if ZEND_DEBUG +static ZEND_FUNCTION(zend_test_func); +#ifdef ZTS +static ZEND_FUNCTION(zend_thread_id); +#endif +#endif +static ZEND_FUNCTION(gc_collect_cycles); +static ZEND_FUNCTION(gc_enabled); +static ZEND_FUNCTION(gc_enable); +static ZEND_FUNCTION(gc_disable); + +/* {{{ arginfo */ +ZEND_BEGIN_ARG_INFO(arginfo_zend__void, 0) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_func_get_arg, 0, 0, 1) + ZEND_ARG_INFO(0, arg_num) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_strlen, 0, 0, 1) + ZEND_ARG_INFO(0, str) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_strcmp, 0, 0, 2) + ZEND_ARG_INFO(0, str1) + ZEND_ARG_INFO(0, str2) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_strncmp, 0, 0, 3) + ZEND_ARG_INFO(0, str1) + ZEND_ARG_INFO(0, str2) + ZEND_ARG_INFO(0, len) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_each, 0, 0, 1) + ZEND_ARG_INFO(1, arr) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_error_reporting, 0, 0, 0) + ZEND_ARG_INFO(0, new_error_level) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_define, 0, 0, 3) + ZEND_ARG_INFO(0, constant_name) + ZEND_ARG_INFO(0, value) + ZEND_ARG_INFO(0, case_insensitive) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_defined, 0, 0, 1) + ZEND_ARG_INFO(0, constant_name) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class, 0, 0, 0) + ZEND_ARG_INFO(0, object) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_is_subclass_of, 0, 0, 2) + ZEND_ARG_INFO(0, object) + ZEND_ARG_INFO(0, class_name) + ZEND_ARG_INFO(0, allow_string) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_vars, 0, 0, 1) + ZEND_ARG_INFO(0, class_name) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_object_vars, 0, 0, 1) + ZEND_ARG_INFO(0, obj) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_methods, 0, 0, 1) + ZEND_ARG_INFO(0, class) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_method_exists, 0, 0, 2) + ZEND_ARG_INFO(0, object) + ZEND_ARG_INFO(0, method) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_property_exists, 0, 0, 2) + ZEND_ARG_INFO(0, object_or_class) + ZEND_ARG_INFO(0, property_name) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_class_exists, 0, 0, 1) + ZEND_ARG_INFO(0, classname) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_trait_exists, 0, 0, 1) + ZEND_ARG_INFO(0, traitname) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_function_exists, 0, 0, 1) + ZEND_ARG_INFO(0, function_name) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_class_alias, 0, 0, 2) + ZEND_ARG_INFO(0, user_class_name) + ZEND_ARG_INFO(0, alias_name) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + +#if ZEND_DEBUG +ZEND_BEGIN_ARG_INFO_EX(arginfo_leak_variable, 0, 0, 1) + ZEND_ARG_INFO(0, variable) + ZEND_ARG_INFO(0, leak_data) +ZEND_END_ARG_INFO() +#endif + +ZEND_BEGIN_ARG_INFO_EX(arginfo_trigger_error, 0, 0, 1) + ZEND_ARG_INFO(0, message) + ZEND_ARG_INFO(0, error_type) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_set_error_handler, 0, 0, 1) + ZEND_ARG_INFO(0, error_handler) + ZEND_ARG_INFO(0, error_types) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_set_exception_handler, 0, 0, 1) + ZEND_ARG_INFO(0, exception_handler) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_create_function, 0, 0, 2) + ZEND_ARG_INFO(0, args) + ZEND_ARG_INFO(0, code) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_resource_type, 0, 0, 1) + ZEND_ARG_INFO(0, res) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_loaded_extensions, 0, 0, 0) + ZEND_ARG_INFO(0, zend_extensions) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_get_defined_constants, 0, 0, 0) + ZEND_ARG_INFO(0, categorize) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_backtrace, 0, 0, 0) + ZEND_ARG_INFO(0, options) + ZEND_ARG_INFO(0, limit) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_print_backtrace, 0, 0, 0) + ZEND_ARG_INFO(0, options) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_extension_loaded, 0, 0, 1) + ZEND_ARG_INFO(0, extension_name) +ZEND_END_ARG_INFO() +/* }}} */ + +static const zend_function_entry builtin_functions[] = { /* {{{ */ + ZEND_FE(zend_version, arginfo_zend__void) + ZEND_FE(func_num_args, arginfo_zend__void) + ZEND_FE(func_get_arg, arginfo_func_get_arg) + ZEND_FE(func_get_args, arginfo_zend__void) + ZEND_FE(strlen, arginfo_strlen) + ZEND_FE(strcmp, arginfo_strcmp) + ZEND_FE(strncmp, arginfo_strncmp) + ZEND_FE(strcasecmp, arginfo_strcmp) + ZEND_FE(strncasecmp, arginfo_strncmp) + ZEND_FE(each, arginfo_each) + ZEND_FE(error_reporting, arginfo_error_reporting) + ZEND_FE(define, arginfo_define) + ZEND_FE(defined, arginfo_defined) + ZEND_FE(get_class, arginfo_get_class) + ZEND_FE(get_called_class, arginfo_zend__void) + ZEND_FE(get_parent_class, arginfo_get_class) + ZEND_FE(method_exists, arginfo_method_exists) + ZEND_FE(property_exists, arginfo_property_exists) + ZEND_FE(class_exists, arginfo_class_exists) + ZEND_FE(interface_exists, arginfo_class_exists) + ZEND_FE(trait_exists, arginfo_trait_exists) + ZEND_FE(function_exists, arginfo_function_exists) + ZEND_FE(class_alias, arginfo_class_alias) +#if ZEND_DEBUG + ZEND_FE(leak, NULL) + ZEND_FE(leak_variable, arginfo_leak_variable) +#ifdef ZEND_TEST_EXCEPTIONS + ZEND_FE(crash, NULL) +#endif +#endif + ZEND_FE(get_included_files, arginfo_zend__void) + ZEND_FALIAS(get_required_files, get_included_files, arginfo_zend__void) + ZEND_FE(is_subclass_of, arginfo_is_subclass_of) + ZEND_FE(is_a, arginfo_is_subclass_of) + ZEND_FE(get_class_vars, arginfo_get_class_vars) + ZEND_FE(get_object_vars, arginfo_get_object_vars) + ZEND_FE(get_class_methods, arginfo_get_class_methods) + ZEND_FE(trigger_error, arginfo_trigger_error) + ZEND_FALIAS(user_error, trigger_error, arginfo_trigger_error) + ZEND_FE(set_error_handler, arginfo_set_error_handler) + ZEND_FE(restore_error_handler, arginfo_zend__void) + ZEND_FE(set_exception_handler, arginfo_set_exception_handler) + ZEND_FE(restore_exception_handler, arginfo_zend__void) + ZEND_FE(get_declared_classes, arginfo_zend__void) + ZEND_FE(get_declared_traits, arginfo_zend__void) + ZEND_FE(get_declared_interfaces, arginfo_zend__void) + ZEND_FE(get_defined_functions, arginfo_zend__void) + ZEND_FE(get_defined_vars, arginfo_zend__void) + ZEND_FE(create_function, arginfo_create_function) + ZEND_FE(get_resource_type, arginfo_get_resource_type) + ZEND_FE(get_loaded_extensions, arginfo_get_loaded_extensions) + ZEND_FE(extension_loaded, arginfo_extension_loaded) + ZEND_FE(get_extension_funcs, arginfo_extension_loaded) + ZEND_FE(get_defined_constants, arginfo_get_defined_constants) + ZEND_FE(debug_backtrace, arginfo_debug_backtrace) + ZEND_FE(debug_print_backtrace, arginfo_debug_print_backtrace) +#if ZEND_DEBUG + ZEND_FE(zend_test_func, NULL) +#ifdef ZTS + ZEND_FE(zend_thread_id, NULL) +#endif +#endif + ZEND_FE(gc_collect_cycles, arginfo_zend__void) + ZEND_FE(gc_enabled, arginfo_zend__void) + ZEND_FE(gc_enable, arginfo_zend__void) + ZEND_FE(gc_disable, arginfo_zend__void) + ZEND_FE_END +}; +/* }}} */ + +ZEND_MINIT_FUNCTION(core) { /* {{{ */ + zend_class_entry class_entry; + + INIT_CLASS_ENTRY(class_entry, "stdClass", NULL); + zend_standard_class_def = zend_register_internal_class(&class_entry TSRMLS_CC); + + zend_register_default_classes(TSRMLS_C); + + return SUCCESS; +} +/* }}} */ + +zend_module_entry zend_builtin_module = { /* {{{ */ + STANDARD_MODULE_HEADER, + "Core", + builtin_functions, + ZEND_MINIT(core), + NULL, + NULL, + NULL, + NULL, + ZEND_VERSION, + STANDARD_MODULE_PROPERTIES +}; +/* }}} */ + +int zend_startup_builtin_functions(TSRMLS_D) /* {{{ */ +{ + zend_builtin_module.module_number = 0; + zend_builtin_module.type = MODULE_PERSISTENT; + return (EG(current_module) = zend_register_module_ex(&zend_builtin_module TSRMLS_CC)) == NULL ? FAILURE : SUCCESS; +} +/* }}} */ + +/* {{{ proto string zend_version(void) + Get the version of the Zend Engine */ +ZEND_FUNCTION(zend_version) +{ + RETURN_STRINGL(ZEND_VERSION, sizeof(ZEND_VERSION)-1, 1); +} +/* }}} */ + +/* {{{ proto int gc_collect_cycles(void) + Forces collection of any existing garbage cycles. + Returns number of freed zvals */ +ZEND_FUNCTION(gc_collect_cycles) +{ + RETURN_LONG(gc_collect_cycles(TSRMLS_C)); +} +/* }}} */ + +/* {{{ proto void gc_enabled(void) + Returns status of the circular reference collector */ +ZEND_FUNCTION(gc_enabled) +{ + RETURN_BOOL(GC_G(gc_enabled)); +} +/* }}} */ + +/* {{{ proto void gc_enable(void) + Activates the circular reference collector */ +ZEND_FUNCTION(gc_enable) +{ + zend_alter_ini_entry("zend.enable_gc", sizeof("zend.enable_gc"), "1", sizeof("1")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); +} +/* }}} */ + +/* {{{ proto void gc_disable(void) + Deactivates the circular reference collector */ +ZEND_FUNCTION(gc_disable) +{ + zend_alter_ini_entry("zend.enable_gc", sizeof("zend.enable_gc"), "0", sizeof("0")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); +} +/* }}} */ + +/* {{{ proto int func_num_args(void) + Get the number of arguments that were passed to the function */ +ZEND_FUNCTION(func_num_args) +{ + zend_execute_data *ex = EG(current_execute_data)->prev_execute_data; + + if (ex && ex->function_state.arguments) { + RETURN_LONG((long)(zend_uintptr_t)*(ex->function_state.arguments)); + } else { + zend_error(E_WARNING, "func_num_args(): Called from the global scope - no function context"); + RETURN_LONG(-1); + } +} +/* }}} */ + + +/* {{{ proto mixed func_get_arg(int arg_num) + Get the $arg_num'th argument that was passed to the function */ +ZEND_FUNCTION(func_get_arg) +{ + void **p; + int arg_count; + zval *arg; + long requested_offset; + zend_execute_data *ex = EG(current_execute_data)->prev_execute_data; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &requested_offset) == FAILURE) { + return; + } + + if (requested_offset < 0) { + zend_error(E_WARNING, "func_get_arg(): The argument number should be >= 0"); + RETURN_FALSE; + } + + if (!ex || !ex->function_state.arguments) { + zend_error(E_WARNING, "func_get_arg(): Called from the global scope - no function context"); + RETURN_FALSE; + } + + p = ex->function_state.arguments; + arg_count = (int)(zend_uintptr_t) *p; /* this is the amount of arguments passed to func_get_arg(); */ + + if (requested_offset >= arg_count) { + zend_error(E_WARNING, "func_get_arg(): Argument %ld not passed to function", requested_offset); + RETURN_FALSE; + } + + arg = *(p-(arg_count-requested_offset)); + *return_value = *arg; + zval_copy_ctor(return_value); + INIT_PZVAL(return_value); +} +/* }}} */ + + +/* {{{ proto array func_get_args() + Get an array of the arguments that were passed to the function */ +ZEND_FUNCTION(func_get_args) +{ + void **p; + int arg_count; + int i; + zend_execute_data *ex = EG(current_execute_data)->prev_execute_data; + + if (!ex || !ex->function_state.arguments) { + zend_error(E_WARNING, "func_get_args(): Called from the global scope - no function context"); + RETURN_FALSE; + } + + p = ex->function_state.arguments; + arg_count = (int)(zend_uintptr_t) *p; /* this is the amount of arguments passed to func_get_args(); */ + + array_init_size(return_value, arg_count); + for (i=0; i<arg_count; i++) { + zval *element; + + ALLOC_ZVAL(element); + *element = **((zval **) (p-(arg_count-i))); + zval_copy_ctor(element); + INIT_PZVAL(element); + zend_hash_next_index_insert(return_value->value.ht, &element, sizeof(zval *), NULL); + } +} +/* }}} */ + + +/* {{{ proto int strlen(string str) + Get string length */ +ZEND_FUNCTION(strlen) +{ + char *s1; + int s1_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &s1, &s1_len) == FAILURE) { + return; + } + + RETVAL_LONG(s1_len); +} +/* }}} */ + + +/* {{{ proto int strcmp(string str1, string str2) + Binary safe string comparison */ +ZEND_FUNCTION(strcmp) +{ + char *s1, *s2; + int s1_len, s2_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &s1, &s1_len, &s2, &s2_len) == FAILURE) { + return; + } + + RETURN_LONG(zend_binary_strcmp(s1, s1_len, s2, s2_len)); +} +/* }}} */ + + +/* {{{ proto int strncmp(string str1, string str2, int len) + Binary safe string comparison */ +ZEND_FUNCTION(strncmp) +{ + char *s1, *s2; + int s1_len, s2_len; + long len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssl", &s1, &s1_len, &s2, &s2_len, &len) == FAILURE) { + return; + } + + if (len < 0) { + zend_error(E_WARNING, "Length must be greater than or equal to 0"); + RETURN_FALSE; + } + + RETURN_LONG(zend_binary_strncmp(s1, s1_len, s2, s2_len, len)); +} +/* }}} */ + + +/* {{{ proto int strcasecmp(string str1, string str2) + Binary safe case-insensitive string comparison */ +ZEND_FUNCTION(strcasecmp) +{ + char *s1, *s2; + int s1_len, s2_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &s1, &s1_len, &s2, &s2_len) == FAILURE) { + return; + } + + RETURN_LONG(zend_binary_strcasecmp(s1, s1_len, s2, s2_len)); +} +/* }}} */ + + +/* {{{ proto int strncasecmp(string str1, string str2, int len) + Binary safe string comparison */ +ZEND_FUNCTION(strncasecmp) +{ + char *s1, *s2; + int s1_len, s2_len; + long len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssl", &s1, &s1_len, &s2, &s2_len, &len) == FAILURE) { + return; + } + + if (len < 0) { + zend_error(E_WARNING, "Length must be greater than or equal to 0"); + RETURN_FALSE; + } + + RETURN_LONG(zend_binary_strncasecmp(s1, s1_len, s2, s2_len, len)); +} +/* }}} */ + + +/* {{{ proto array each(array arr) + Return the currently pointed key..value pair in the passed array, and advance the pointer to the next element */ +ZEND_FUNCTION(each) +{ + zval *array, *entry, **entry_ptr, *tmp; + char *string_key; + uint string_key_len; + ulong num_key; + zval **inserted_pointer; + HashTable *target_hash; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &array) == FAILURE) { + return; + } + + target_hash = HASH_OF(array); + if (!target_hash) { + zend_error(E_WARNING,"Variable passed to each() is not an array or object"); + return; + } + if (zend_hash_get_current_data(target_hash, (void **) &entry_ptr)==FAILURE) { + RETURN_FALSE; + } + array_init(return_value); + entry = *entry_ptr; + + /* add value elements */ + if (Z_ISREF_P(entry)) { + ALLOC_ZVAL(tmp); + *tmp = *entry; + zval_copy_ctor(tmp); + Z_UNSET_ISREF_P(tmp); + Z_SET_REFCOUNT_P(tmp, 0); + entry=tmp; + } + zend_hash_index_update(return_value->value.ht, 1, &entry, sizeof(zval *), NULL); + Z_ADDREF_P(entry); + zend_hash_update(return_value->value.ht, "value", sizeof("value"), &entry, sizeof(zval *), NULL); + Z_ADDREF_P(entry); + + /* add the key elements */ + switch (zend_hash_get_current_key_ex(target_hash, &string_key, &string_key_len, &num_key, 1, NULL)) { + case HASH_KEY_IS_STRING: + add_get_index_stringl(return_value, 0, string_key, string_key_len-1, (void **) &inserted_pointer, 0); + break; + case HASH_KEY_IS_LONG: + add_get_index_long(return_value, 0, num_key, (void **) &inserted_pointer); + break; + } + zend_hash_update(return_value->value.ht, "key", sizeof("key"), inserted_pointer, sizeof(zval *), NULL); + Z_ADDREF_PP(inserted_pointer); + zend_hash_move_forward(target_hash); +} +/* }}} */ + + +/* {{{ proto int error_reporting([int new_error_level]) + Return the current error_reporting level, and if an argument was passed - change to the new level */ +ZEND_FUNCTION(error_reporting) +{ + char *err; + int err_len; + int old_error_reporting; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &err, &err_len) == FAILURE) { + return; + } + + old_error_reporting = EG(error_reporting); + if(ZEND_NUM_ARGS() != 0) { + zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), err, err_len, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); + } + + RETVAL_LONG(old_error_reporting); +} +/* }}} */ + + +/* {{{ proto bool define(string constant_name, mixed value, boolean case_insensitive=false) + Define a new constant */ +ZEND_FUNCTION(define) +{ + char *name; + int name_len; + zval *val; + zval *val_free = NULL; + zend_bool non_cs = 0; + int case_sensitive = CONST_CS; + zend_constant c; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|b", &name, &name_len, &val, &non_cs) == FAILURE) { + return; + } + + if(non_cs) { + case_sensitive = 0; + } + + /* class constant, check if there is name and make sure class is valid & exists */ + if (zend_memnstr(name, "::", sizeof("::") - 1, name + name_len)) { + zend_error(E_WARNING, "Class constants cannot be defined or redefined"); + RETURN_FALSE; + } + +repeat: + switch (Z_TYPE_P(val)) { + case IS_LONG: + case IS_DOUBLE: + case IS_STRING: + case IS_BOOL: + case IS_RESOURCE: + case IS_NULL: + break; + case IS_OBJECT: + if (!val_free) { + if (Z_OBJ_HT_P(val)->get) { + val_free = val = Z_OBJ_HT_P(val)->get(val TSRMLS_CC); + goto repeat; + } else if (Z_OBJ_HT_P(val)->cast_object) { + ALLOC_INIT_ZVAL(val_free); + if (Z_OBJ_HT_P(val)->cast_object(val, val_free, IS_STRING TSRMLS_CC) == SUCCESS) { + val = val_free; + break; + } + } + } + /* no break */ + default: + zend_error(E_WARNING,"Constants may only evaluate to scalar values"); + if (val_free) { + zval_ptr_dtor(&val_free); + } + RETURN_FALSE; + } + + c.value = *val; + zval_copy_ctor(&c.value); + if (val_free) { + zval_ptr_dtor(&val_free); + } + c.flags = case_sensitive; /* non persistent */ + c.name = IS_INTERNED(name) ? name : zend_strndup(name, name_len); + if(c.name == NULL) { + RETURN_FALSE; + } + c.name_len = name_len+1; + c.module_number = PHP_USER_CONSTANT; + if (zend_register_constant(&c TSRMLS_CC) == SUCCESS) { + RETURN_TRUE; + } else { + RETURN_FALSE; + } +} +/* }}} */ + + +/* {{{ proto bool defined(string constant_name) + Check whether a constant exists */ +ZEND_FUNCTION(defined) +{ + char *name; + int name_len; + zval c; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) { + return; + } + + if (zend_get_constant_ex(name, name_len, &c, NULL, ZEND_FETCH_CLASS_SILENT TSRMLS_CC)) { + zval_dtor(&c); + RETURN_TRUE; + } else { + RETURN_FALSE; + } +} +/* }}} */ + + +/* {{{ proto string get_class([object object]) + Retrieves the class name */ +ZEND_FUNCTION(get_class) +{ + zval *obj = NULL; + const char *name = ""; + zend_uint name_len = 0; + int dup; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|o!", &obj) == FAILURE) { + RETURN_FALSE; + } + + if (!obj) { + if (EG(scope)) { + RETURN_STRINGL(EG(scope)->name, EG(scope)->name_length, 1); + } else { + zend_error(E_WARNING, "get_class() called without object from outside a class"); + RETURN_FALSE; + } + } + + dup = zend_get_object_classname(obj, &name, &name_len TSRMLS_CC); + + RETURN_STRINGL(name, name_len, dup); +} +/* }}} */ + + +/* {{{ proto string get_called_class() + Retrieves the "Late Static Binding" class name */ +ZEND_FUNCTION(get_called_class) +{ + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + if (EG(called_scope)) { + RETURN_STRINGL(EG(called_scope)->name, EG(called_scope)->name_length, 1); + } else if (!EG(scope)) { + zend_error(E_WARNING, "get_called_class() called from outside a class"); + } + RETURN_FALSE; +} +/* }}} */ + + +/* {{{ proto string get_parent_class([mixed object]) + Retrieves the parent class name for object or class or current scope. */ +ZEND_FUNCTION(get_parent_class) +{ + zval *arg; + zend_class_entry *ce = NULL; + const char *name; + zend_uint name_length; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z", &arg) == FAILURE) { + return; + } + + if (!ZEND_NUM_ARGS()) { + ce = EG(scope); + if (ce && ce->parent) { + RETURN_STRINGL(ce->parent->name, ce->parent->name_length, 1); + } else { + RETURN_FALSE; + } + } + + if (Z_TYPE_P(arg) == IS_OBJECT) { + if (Z_OBJ_HT_P(arg)->get_class_name + && Z_OBJ_HT_P(arg)->get_class_name(arg, &name, &name_length, 1 TSRMLS_CC) == SUCCESS) { + RETURN_STRINGL(name, name_length, 0); + } else { + ce = zend_get_class_entry(arg TSRMLS_CC); + } + } else if (Z_TYPE_P(arg) == IS_STRING) { + zend_class_entry **pce; + + if (zend_lookup_class(Z_STRVAL_P(arg), Z_STRLEN_P(arg), &pce TSRMLS_CC) == SUCCESS) { + ce = *pce; + } + } + + if (ce && ce->parent) { + RETURN_STRINGL(ce->parent->name, ce->parent->name_length, 1); + } else { + RETURN_FALSE; + } +} +/* }}} */ + + +static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass) +{ + zval *obj; + char *class_name; + int class_name_len; + zend_class_entry *instance_ce; + zend_class_entry **ce; + zend_bool allow_string = only_subclass; + zend_bool retval; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs|b", &obj, &class_name, &class_name_len, &allow_string) == FAILURE) { + return; + } + /* + * allow_string - is_a default is no, is_subclass_of is yes. + * if it's allowed, then the autoloader will be called if the class does not exist. + * default behaviour is different, as 'is_a' used to be used to test mixed return values + * and there is no easy way to deprecate this. + */ + + if (allow_string && Z_TYPE_P(obj) == IS_STRING) { + zend_class_entry **the_ce; + if (zend_lookup_class(Z_STRVAL_P(obj), Z_STRLEN_P(obj), &the_ce TSRMLS_CC) == FAILURE) { + RETURN_FALSE; + } + instance_ce = *the_ce; + } else if (Z_TYPE_P(obj) == IS_OBJECT && HAS_CLASS_ENTRY(*obj)) { + instance_ce = Z_OBJCE_P(obj); + } else { + RETURN_FALSE; + } + + if (zend_lookup_class_ex(class_name, class_name_len, NULL, 0, &ce TSRMLS_CC) == FAILURE) { + retval = 0; + } else { + if (only_subclass && instance_ce == *ce) { + retval = 0; + } else { + retval = instanceof_function(instance_ce, *ce TSRMLS_CC); + } + } + + RETURN_BOOL(retval); +} + + +/* {{{ proto bool is_subclass_of(mixed object_or_string, string class_name [, bool allow_string=true]) + Returns true if the object has this class as one of its parents */ +ZEND_FUNCTION(is_subclass_of) +{ + is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); +} +/* }}} */ + + +/* {{{ proto bool is_a(mixed object_or_string, string class_name [, bool allow_string=false]) + Returns true if the first argument is an object and is this class or has this class as one of its parents, */ +ZEND_FUNCTION(is_a) +{ + is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); +} +/* }}} */ + + +/* {{{ add_class_vars */ +static void add_class_vars(zend_class_entry *ce, int statics, zval *return_value TSRMLS_DC) +{ + HashPosition pos; + zend_property_info *prop_info; + zval *prop, *prop_copy; + char *key; + uint key_len; + ulong num_index; + + zend_hash_internal_pointer_reset_ex(&ce->properties_info, &pos); + while (zend_hash_get_current_data_ex(&ce->properties_info, (void **) &prop_info, &pos) == SUCCESS) { + zend_hash_get_current_key_ex(&ce->properties_info, &key, &key_len, &num_index, 0, &pos); + zend_hash_move_forward_ex(&ce->properties_info, &pos); + if (((prop_info->flags & ZEND_ACC_SHADOW) && + prop_info->ce != EG(scope)) || + ((prop_info->flags & ZEND_ACC_PROTECTED) && + !zend_check_protected(prop_info->ce, EG(scope))) || + ((prop_info->flags & ZEND_ACC_PRIVATE) && + ce != EG(scope) && + prop_info->ce != EG(scope))) { + continue; + } + prop = NULL; + if (prop_info->offset >= 0) { + if (statics && (prop_info->flags & ZEND_ACC_STATIC) != 0) { + prop = ce->default_static_members_table[prop_info->offset]; + } else if (!statics && (prop_info->flags & ZEND_ACC_STATIC) == 0) { + prop = ce->default_properties_table[prop_info->offset]; + } + } + if (!prop) { + continue; + } + + /* copy: enforce read only access */ + ALLOC_ZVAL(prop_copy); + *prop_copy = *prop; + zval_copy_ctor(prop_copy); + INIT_PZVAL(prop_copy); + + /* this is necessary to make it able to work with default array + * properties, returned to user */ + if (Z_TYPE_P(prop_copy) == IS_CONSTANT_ARRAY || (Z_TYPE_P(prop_copy) & IS_CONSTANT_TYPE_MASK) == IS_CONSTANT) { + zval_update_constant(&prop_copy, 0 TSRMLS_CC); + } + + add_assoc_zval(return_value, key, prop_copy); + } +} +/* }}} */ + + +/* {{{ proto array get_class_vars(string class_name) + Returns an array of default properties of the class. */ +ZEND_FUNCTION(get_class_vars) +{ + char *class_name; + int class_name_len; + zend_class_entry **pce; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &class_name, &class_name_len) == FAILURE) { + return; + } + + if (zend_lookup_class(class_name, class_name_len, &pce TSRMLS_CC) == FAILURE) { + RETURN_FALSE; + } else { + array_init(return_value); + zend_update_class_constants(*pce TSRMLS_CC); + add_class_vars(*pce, 0, return_value TSRMLS_CC); + add_class_vars(*pce, 1, return_value TSRMLS_CC); + } +} +/* }}} */ + + +/* {{{ proto array get_object_vars(object obj) + Returns an array of object properties */ +ZEND_FUNCTION(get_object_vars) +{ + zval *obj; + zval **value; + HashTable *properties; + HashPosition pos; + char *key; + const char *prop_name, *class_name; + uint key_len; + ulong num_index; + zend_object *zobj; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) { + return; + } + + if (Z_OBJ_HT_P(obj)->get_properties == NULL) { + RETURN_FALSE; + } + + properties = Z_OBJ_HT_P(obj)->get_properties(obj TSRMLS_CC); + + if (properties == NULL) { + RETURN_FALSE; + } + + zobj = zend_objects_get_address(obj TSRMLS_CC); + + array_init(return_value); + + zend_hash_internal_pointer_reset_ex(properties, &pos); + + while (zend_hash_get_current_data_ex(properties, (void **) &value, &pos) == SUCCESS) { + if (zend_hash_get_current_key_ex(properties, &key, &key_len, &num_index, 0, &pos) == HASH_KEY_IS_STRING) { + if (zend_check_property_access(zobj, key, key_len-1 TSRMLS_CC) == SUCCESS) { + zend_unmangle_property_name(key, key_len-1, &class_name, &prop_name); + /* Not separating references */ + Z_ADDREF_PP(value); + add_assoc_zval_ex(return_value, prop_name, strlen(prop_name)+1, *value); + } + } + zend_hash_move_forward_ex(properties, &pos); + } +} +/* }}} */ + + +/* {{{ proto array get_class_methods(mixed class) + Returns an array of method names for class or class instance. */ +ZEND_FUNCTION(get_class_methods) +{ + zval *klass; + zval *method_name; + zend_class_entry *ce = NULL, **pce; + HashPosition pos; + zend_function *mptr; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &klass) == FAILURE) { + return; + } + + if (Z_TYPE_P(klass) == IS_OBJECT) { + /* TBI!! new object handlers */ + if (!HAS_CLASS_ENTRY(*klass)) { + RETURN_FALSE; + } + ce = Z_OBJCE_P(klass); + } else if (Z_TYPE_P(klass) == IS_STRING) { + if (zend_lookup_class(Z_STRVAL_P(klass), Z_STRLEN_P(klass), &pce TSRMLS_CC) == SUCCESS) { + ce = *pce; + } + } + + if (!ce) { + RETURN_NULL(); + } + + array_init(return_value); + zend_hash_internal_pointer_reset_ex(&ce->function_table, &pos); + + while (zend_hash_get_current_data_ex(&ce->function_table, (void **) &mptr, &pos) == SUCCESS) { + if ((mptr->common.fn_flags & ZEND_ACC_PUBLIC) + || (EG(scope) && + (((mptr->common.fn_flags & ZEND_ACC_PROTECTED) && + zend_check_protected(mptr->common.scope, EG(scope))) + || ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) && + EG(scope) == mptr->common.scope)))) { + char *key; + uint key_len; + ulong num_index; + uint len = strlen(mptr->common.function_name); + + /* Do not display old-style inherited constructors */ + if ((mptr->common.fn_flags & ZEND_ACC_CTOR) == 0 || + mptr->common.scope == ce || + zend_hash_get_current_key_ex(&ce->function_table, &key, &key_len, &num_index, 0, &pos) != HASH_KEY_IS_STRING || + zend_binary_strcasecmp(key, key_len-1, mptr->common.function_name, len) == 0) { + + MAKE_STD_ZVAL(method_name); + ZVAL_STRINGL(method_name, mptr->common.function_name, len, 1); + zend_hash_next_index_insert(return_value->value.ht, &method_name, sizeof(zval *), NULL); + } + } + zend_hash_move_forward_ex(&ce->function_table, &pos); + } +} +/* }}} */ + + +/* {{{ proto bool method_exists(object object, string method) + Checks if the class method exists */ +ZEND_FUNCTION(method_exists) +{ + zval *klass; + char *method_name; + int method_len; + char *lcname; + zend_class_entry * ce, **pce; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &klass, &method_name, &method_len) == FAILURE) { + return; + } + if (Z_TYPE_P(klass) == IS_OBJECT) { + ce = Z_OBJCE_P(klass); + } else if (Z_TYPE_P(klass) == IS_STRING) { + if (zend_lookup_class(Z_STRVAL_P(klass), Z_STRLEN_P(klass), &pce TSRMLS_CC) == FAILURE) { + RETURN_FALSE; + } + ce = *pce; + } else { + RETURN_FALSE; + } + + lcname = zend_str_tolower_dup(method_name, method_len); + if (zend_hash_exists(&ce->function_table, lcname, method_len+1)) { + efree(lcname); + RETURN_TRUE; + } else { + union _zend_function *func = NULL; + + if (Z_TYPE_P(klass) == IS_OBJECT + && Z_OBJ_HT_P(klass)->get_method != NULL + && (func = Z_OBJ_HT_P(klass)->get_method(&klass, method_name, method_len, NULL TSRMLS_CC)) != NULL + ) { + if (func->type == ZEND_INTERNAL_FUNCTION + && (func->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0 + ) { + /* Returns true to the fake Closure's __invoke */ + RETVAL_BOOL((func->common.scope == zend_ce_closure + && (method_len == sizeof(ZEND_INVOKE_FUNC_NAME)-1) + && memcmp(lcname, ZEND_INVOKE_FUNC_NAME, sizeof(ZEND_INVOKE_FUNC_NAME)-1) == 0) ? 1 : 0); + + efree(lcname); + efree((char*)((zend_internal_function*)func)->function_name); + efree(func); + return; + } + efree(lcname); + RETURN_TRUE; + } + } + efree(lcname); + RETURN_FALSE; +} +/* }}} */ + +/* {{{ proto bool property_exists(mixed object_or_class, string property_name) + Checks if the object or class has a property */ +ZEND_FUNCTION(property_exists) +{ + zval *object; + char *property; + int property_len; + zend_class_entry *ce, **pce; + zend_property_info *property_info; + zval property_z; + ulong h; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &object, &property, &property_len) == FAILURE) { + return; + } + + if (property_len == 0) { + RETURN_FALSE; + } + + if (Z_TYPE_P(object) == IS_STRING) { + if (zend_lookup_class(Z_STRVAL_P(object), Z_STRLEN_P(object), &pce TSRMLS_CC) == FAILURE) { + RETURN_FALSE; + } + ce = *pce; + } else if (Z_TYPE_P(object) == IS_OBJECT) { + ce = Z_OBJCE_P(object); + } else { + zend_error(E_WARNING, "First parameter must either be an object or the name of an existing class"); + RETURN_NULL(); + } + + h = zend_get_hash_value(property, property_len+1); + if (zend_hash_quick_find(&ce->properties_info, property, property_len+1, h, (void **) &property_info) == SUCCESS + && (property_info->flags & ZEND_ACC_SHADOW) == 0) { + RETURN_TRUE; + } + + ZVAL_STRINGL(&property_z, property, property_len, 0); + + if (Z_TYPE_P(object) == IS_OBJECT && + Z_OBJ_HANDLER_P(object, has_property) && + Z_OBJ_HANDLER_P(object, has_property)(object, &property_z, 2, 0 TSRMLS_CC)) { + RETURN_TRUE; + } + RETURN_FALSE; +} +/* }}} */ + + +/* {{{ proto bool class_exists(string classname [, bool autoload]) + Checks if the class exists */ +ZEND_FUNCTION(class_exists) +{ + char *class_name, *lc_name; + zend_class_entry **ce; + int class_name_len; + int found; + zend_bool autoload = 1; + ALLOCA_FLAG(use_heap) + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &class_name, &class_name_len, &autoload) == FAILURE) { + return; + } + + if (!autoload) { + char *name; + int len; + + lc_name = do_alloca(class_name_len + 1, use_heap); + zend_str_tolower_copy(lc_name, class_name, class_name_len); + + /* Ignore leading "\" */ + name = lc_name; + len = class_name_len; + if (lc_name[0] == '\\') { + name = &lc_name[1]; + len--; + } + + found = zend_hash_find(EG(class_table), name, len+1, (void **) &ce); + free_alloca(lc_name, use_heap); + RETURN_BOOL(found == SUCCESS && !(((*ce)->ce_flags & (ZEND_ACC_INTERFACE | ZEND_ACC_TRAIT)) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)); + } + + if (zend_lookup_class(class_name, class_name_len, &ce TSRMLS_CC) == SUCCESS) { + RETURN_BOOL(((*ce)->ce_flags & (ZEND_ACC_INTERFACE | (ZEND_ACC_TRAIT - ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) == 0); + } else { + RETURN_FALSE; + } +} +/* }}} */ + +/* {{{ proto bool interface_exists(string classname [, bool autoload]) + Checks if the class exists */ +ZEND_FUNCTION(interface_exists) +{ + char *iface_name, *lc_name; + zend_class_entry **ce; + int iface_name_len; + int found; + zend_bool autoload = 1; + ALLOCA_FLAG(use_heap) + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &iface_name, &iface_name_len, &autoload) == FAILURE) { + return; + } + + if (!autoload) { + char *name; + int len; + + lc_name = do_alloca(iface_name_len + 1, use_heap); + zend_str_tolower_copy(lc_name, iface_name, iface_name_len); + + /* Ignore leading "\" */ + name = lc_name; + len = iface_name_len; + if (lc_name[0] == '\\') { + name = &lc_name[1]; + len--; + } + + found = zend_hash_find(EG(class_table), name, len+1, (void **) &ce); + free_alloca(lc_name, use_heap); + RETURN_BOOL(found == SUCCESS && (*ce)->ce_flags & ZEND_ACC_INTERFACE); + } + + if (zend_lookup_class(iface_name, iface_name_len, &ce TSRMLS_CC) == SUCCESS) { + RETURN_BOOL(((*ce)->ce_flags & ZEND_ACC_INTERFACE) > 0); + } else { + RETURN_FALSE; + } +} +/* }}} */ + +/* {{{ proto bool trait_exists(string traitname [, bool autoload]) + Checks if the trait exists */ +ZEND_FUNCTION(trait_exists) +{ + char *trait_name, *lc_name; + zend_class_entry **ce; + int trait_name_len; + int found; + zend_bool autoload = 1; + ALLOCA_FLAG(use_heap) + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &trait_name, &trait_name_len, &autoload) == FAILURE) { + return; + } + + if (!autoload) { + char *name; + int len; + + lc_name = do_alloca(trait_name_len + 1, use_heap); + zend_str_tolower_copy(lc_name, trait_name, trait_name_len); + + /* Ignore leading "\" */ + name = lc_name; + len = trait_name_len; + if (lc_name[0] == '\\') { + name = &lc_name[1]; + len--; + } + + found = zend_hash_find(EG(class_table), name, len+1, (void **) &ce); + free_alloca(lc_name, use_heap); + RETURN_BOOL(found == SUCCESS && (((*ce)->ce_flags & ZEND_ACC_TRAIT) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)); + } + + if (zend_lookup_class(trait_name, trait_name_len, &ce TSRMLS_CC) == SUCCESS) { + RETURN_BOOL(((*ce)->ce_flags & ZEND_ACC_TRAIT) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS); + } else { + RETURN_FALSE; + } +} +/* }}} */ + + +/* {{{ proto bool function_exists(string function_name) + Checks if the function exists */ +ZEND_FUNCTION(function_exists) +{ + char *name; + int name_len; + zend_function *func; + char *lcname; + zend_bool retval; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) { + return; + } + + lcname = zend_str_tolower_dup(name, name_len); + + /* Ignore leading "\" */ + name = lcname; + if (lcname[0] == '\\') { + name = &lcname[1]; + name_len--; + } + + retval = (zend_hash_find(EG(function_table), name, name_len+1, (void **)&func) == SUCCESS); + + efree(lcname); + + /* + * A bit of a hack, but not a bad one: we see if the handler of the function + * is actually one that displays "function is disabled" message. + */ + if (retval && func->type == ZEND_INTERNAL_FUNCTION && + func->internal_function.handler == zif_display_disabled_function) { + retval = 0; + } + + RETURN_BOOL(retval); +} +/* }}} */ + +/* {{{ proto bool class_alias(string user_class_name , string alias_name [, bool autoload]) + Creates an alias for user defined class */ +ZEND_FUNCTION(class_alias) +{ + char *class_name, *lc_name, *alias_name; + zend_class_entry **ce; + int class_name_len, alias_name_len; + int found; + zend_bool autoload = 1; + ALLOCA_FLAG(use_heap) + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|b", &class_name, &class_name_len, &alias_name, &alias_name_len, &autoload) == FAILURE) { + return; + } + + if (!autoload) { + lc_name = do_alloca(class_name_len + 1, use_heap); + zend_str_tolower_copy(lc_name, class_name, class_name_len); + + found = zend_hash_find(EG(class_table), lc_name, class_name_len+1, (void **) &ce); + free_alloca(lc_name, use_heap); + } else { + found = zend_lookup_class(class_name, class_name_len, &ce TSRMLS_CC); + } + if (found == SUCCESS) { + if ((*ce)->type == ZEND_USER_CLASS) { + if (zend_register_class_alias_ex(alias_name, alias_name_len, *ce TSRMLS_CC) == SUCCESS) { + RETURN_TRUE; + } else { + zend_error(E_WARNING, "Cannot redeclare class %s", alias_name); + RETURN_FALSE; + } + } else { + zend_error(E_WARNING, "First argument of class_alias() must be a name of user defined class"); + RETURN_FALSE; + } + } else { + zend_error(E_WARNING, "Class '%s' not found", class_name); + RETURN_FALSE; + } +} +/* }}} */ + +#if ZEND_DEBUG +/* {{{ proto void leak(int num_bytes=3) + Cause an intentional memory leak, for testing/debugging purposes */ +ZEND_FUNCTION(leak) +{ + long leakbytes=3; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &leakbytes) == FAILURE) { + return; + } + + emalloc(leakbytes); +} +/* }}} */ + +/* {{{ proto leak_variable(mixed variable [, bool leak_data]) */ +ZEND_FUNCTION(leak_variable) +{ + zval *zv; + zend_bool leak_data = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &zv, &leak_data) == FAILURE) { + return; + } + + if (!leak_data) { + zval_add_ref(&zv); + } else if (Z_TYPE_P(zv) == IS_RESOURCE) { + zend_list_addref(Z_RESVAL_P(zv)); + } else if (Z_TYPE_P(zv) == IS_OBJECT) { + Z_OBJ_HANDLER_P(zv, add_ref)(zv TSRMLS_CC); + } else { + zend_error(E_WARNING, "Leaking non-zval data is only applicable to resources and objects"); + } +} +/* }}} */ + + +#ifdef ZEND_TEST_EXCEPTIONS +ZEND_FUNCTION(crash) +{ + char *nowhere=NULL; + + memcpy(nowhere, "something", sizeof("something")); +} +#endif + +#endif /* ZEND_DEBUG */ + +/* {{{ proto array get_included_files(void) + Returns an array with the file names that were include_once()'d */ +ZEND_FUNCTION(get_included_files) +{ + char *entry; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + array_init(return_value); + zend_hash_internal_pointer_reset(&EG(included_files)); + while (zend_hash_get_current_key(&EG(included_files), &entry, NULL, 1) == HASH_KEY_IS_STRING) { + add_next_index_string(return_value, entry, 0); + zend_hash_move_forward(&EG(included_files)); + } +} +/* }}} */ + + +/* {{{ proto void trigger_error(string message [, int error_type]) + Generates a user-level error/warning/notice message */ +ZEND_FUNCTION(trigger_error) +{ + long error_type = E_USER_NOTICE; + char *message; + int message_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &message, &message_len, &error_type) == FAILURE) { + return; + } + + switch (error_type) { + case E_USER_ERROR: + case E_USER_WARNING: + case E_USER_NOTICE: + case E_USER_DEPRECATED: + break; + default: + zend_error(E_WARNING, "Invalid error type specified"); + RETURN_FALSE; + break; + } + + zend_error((int)error_type, "%s", message); + RETURN_TRUE; +} +/* }}} */ + + +/* {{{ proto string set_error_handler(string error_handler [, int error_types]) + Sets a user-defined error handler function. Returns the previously defined error handler, or false on error */ +ZEND_FUNCTION(set_error_handler) +{ + zval *error_handler; + zend_bool had_orig_error_handler=0; + char *error_handler_name = NULL; + long error_type = E_ALL; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &error_handler, &error_type) == FAILURE) { + return; + } + + if (!zend_is_callable(error_handler, 0, &error_handler_name TSRMLS_CC)) { + zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback", + get_active_function_name(TSRMLS_C), error_handler_name?error_handler_name:"unknown"); + efree(error_handler_name); + return; + } + efree(error_handler_name); + + if (EG(user_error_handler)) { + had_orig_error_handler = 1; + *return_value = *EG(user_error_handler); + zval_copy_ctor(return_value); + INIT_PZVAL(return_value); + zend_stack_push(&EG(user_error_handlers_error_reporting), &EG(user_error_handler_error_reporting), sizeof(EG(user_error_handler_error_reporting))); + zend_ptr_stack_push(&EG(user_error_handlers), EG(user_error_handler)); + } + ALLOC_ZVAL(EG(user_error_handler)); + + if (!zend_is_true(error_handler)) { /* unset user-defined handler */ + FREE_ZVAL(EG(user_error_handler)); + EG(user_error_handler) = NULL; + RETURN_TRUE; + } + + EG(user_error_handler_error_reporting) = (int)error_type; + *EG(user_error_handler) = *error_handler; + zval_copy_ctor(EG(user_error_handler)); + INIT_PZVAL(EG(user_error_handler)); + + if (!had_orig_error_handler) { + RETURN_NULL(); + } +} +/* }}} */ + + +/* {{{ proto void restore_error_handler(void) + Restores the previously defined error handler function */ +ZEND_FUNCTION(restore_error_handler) +{ + if (EG(user_error_handler)) { + zval *zeh = EG(user_error_handler); + + EG(user_error_handler) = NULL; + zval_ptr_dtor(&zeh); + } + + if (zend_ptr_stack_num_elements(&EG(user_error_handlers))==0) { + EG(user_error_handler) = NULL; + } else { + EG(user_error_handler_error_reporting) = zend_stack_int_top(&EG(user_error_handlers_error_reporting)); + zend_stack_del_top(&EG(user_error_handlers_error_reporting)); + EG(user_error_handler) = zend_ptr_stack_pop(&EG(user_error_handlers)); + } + RETURN_TRUE; +} +/* }}} */ + + +/* {{{ proto string set_exception_handler(callable exception_handler) + Sets a user-defined exception handler function. Returns the previously defined exception handler, or false on error */ +ZEND_FUNCTION(set_exception_handler) +{ + zval *exception_handler; + char *exception_handler_name = NULL; + zend_bool had_orig_exception_handler=0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &exception_handler) == FAILURE) { + return; + } + + if (Z_TYPE_P(exception_handler) != IS_NULL) { /* NULL == unset */ + if (!zend_is_callable(exception_handler, 0, &exception_handler_name TSRMLS_CC)) { + zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback", + get_active_function_name(TSRMLS_C), exception_handler_name?exception_handler_name:"unknown"); + efree(exception_handler_name); + return; + } + efree(exception_handler_name); + } + + if (EG(user_exception_handler)) { + had_orig_exception_handler = 1; + *return_value = *EG(user_exception_handler); + zval_copy_ctor(return_value); + zend_ptr_stack_push(&EG(user_exception_handlers), EG(user_exception_handler)); + } + ALLOC_ZVAL(EG(user_exception_handler)); + + if (Z_TYPE_P(exception_handler) == IS_NULL) { /* unset user-defined handler */ + FREE_ZVAL(EG(user_exception_handler)); + EG(user_exception_handler) = NULL; + RETURN_TRUE; + } + + MAKE_COPY_ZVAL(&exception_handler, EG(user_exception_handler)) + + if (!had_orig_exception_handler) { + RETURN_NULL(); + } +} +/* }}} */ + + +/* {{{ proto void restore_exception_handler(void) + Restores the previously defined exception handler function */ +ZEND_FUNCTION(restore_exception_handler) +{ + if (EG(user_exception_handler)) { + zval_ptr_dtor(&EG(user_exception_handler)); + } + if (zend_ptr_stack_num_elements(&EG(user_exception_handlers))==0) { + EG(user_exception_handler) = NULL; + } else { + EG(user_exception_handler) = zend_ptr_stack_pop(&EG(user_exception_handlers)); + } + RETURN_TRUE; +} +/* }}} */ + + +static int copy_class_or_interface_name(zend_class_entry **pce TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) +{ + zval *array = va_arg(args, zval *); + zend_uint mask = va_arg(args, zend_uint); + zend_uint comply = va_arg(args, zend_uint); + zend_uint comply_mask = (comply)? mask:0; + zend_class_entry *ce = *pce; + + if ((hash_key->nKeyLength==0 || hash_key->arKey[0]!=0) + && (comply_mask == (ce->ce_flags & mask))) { + add_next_index_stringl(array, ce->name, ce->name_length, 1); + } + return ZEND_HASH_APPLY_KEEP; +} + +/* {{{ proto array get_declared_traits() + Returns an array of all declared traits. */ +ZEND_FUNCTION(get_declared_traits) +{ + zend_uint mask = ZEND_ACC_TRAIT; + zend_uint comply = 1; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + array_init(return_value); + zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, (apply_func_args_t) copy_class_or_interface_name, 3, return_value, mask, comply); +} +/* }}} */ + + +/* {{{ proto array get_declared_classes() + Returns an array of all declared classes. */ +ZEND_FUNCTION(get_declared_classes) +{ + zend_uint mask = ZEND_ACC_INTERFACE | (ZEND_ACC_TRAIT & ~ZEND_ACC_EXPLICIT_ABSTRACT_CLASS); + zend_uint comply = 0; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + array_init(return_value); + zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, (apply_func_args_t) copy_class_or_interface_name, 3, return_value, mask, comply); +} +/* }}} */ + +/* {{{ proto array get_declared_interfaces() + Returns an array of all declared interfaces. */ +ZEND_FUNCTION(get_declared_interfaces) +{ + zend_uint mask = ZEND_ACC_INTERFACE; + zend_uint comply = 1; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + array_init(return_value); + zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, (apply_func_args_t) copy_class_or_interface_name, 3, return_value, mask, comply); +} +/* }}} */ + + +static int copy_function_name(zend_function *func TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) +{ + zval *internal_ar = va_arg(args, zval *), + *user_ar = va_arg(args, zval *); + + if (hash_key->nKeyLength == 0 || hash_key->arKey[0] == 0) { + return 0; + } + + if (func->type == ZEND_INTERNAL_FUNCTION) { + add_next_index_stringl(internal_ar, hash_key->arKey, hash_key->nKeyLength-1, 1); + } else if (func->type == ZEND_USER_FUNCTION) { + add_next_index_stringl(user_ar, hash_key->arKey, hash_key->nKeyLength-1, 1); + } + + return 0; +} + + +/* {{{ proto array get_defined_functions(void) + Returns an array of all defined functions */ +ZEND_FUNCTION(get_defined_functions) +{ + zval *internal; + zval *user; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + MAKE_STD_ZVAL(internal); + MAKE_STD_ZVAL(user); + + array_init(internal); + array_init(user); + array_init(return_value); + + zend_hash_apply_with_arguments(EG(function_table) TSRMLS_CC, (apply_func_args_t) copy_function_name, 2, internal, user); + + if (zend_hash_add(Z_ARRVAL_P(return_value), "internal", sizeof("internal"), (void **)&internal, sizeof(zval *), NULL) == FAILURE) { + zval_ptr_dtor(&internal); + zval_ptr_dtor(&user); + zval_dtor(return_value); + zend_error(E_WARNING, "Cannot add internal functions to return value from get_defined_functions()"); + RETURN_FALSE; + } + + if (zend_hash_add(Z_ARRVAL_P(return_value), "user", sizeof("user"), (void **)&user, sizeof(zval *), NULL) == FAILURE) { + zval_ptr_dtor(&user); + zval_dtor(return_value); + zend_error(E_WARNING, "Cannot add user functions to return value from get_defined_functions()"); + RETURN_FALSE; + } +} +/* }}} */ + + +/* {{{ proto array get_defined_vars(void) + Returns an associative array of names and values of all currently defined variable names (variables in the current scope) */ +ZEND_FUNCTION(get_defined_vars) +{ + if (!EG(active_symbol_table)) { + zend_rebuild_symbol_table(TSRMLS_C); + } + + array_init_size(return_value, zend_hash_num_elements(EG(active_symbol_table))); + + zend_hash_copy(Z_ARRVAL_P(return_value), EG(active_symbol_table), + (copy_ctor_func_t)zval_add_ref, NULL, sizeof(zval *)); +} +/* }}} */ + + +#define LAMBDA_TEMP_FUNCNAME "__lambda_func" +/* {{{ proto string create_function(string args, string code) + Creates an anonymous function, and returns its name (funny, eh?) */ +ZEND_FUNCTION(create_function) +{ + char *eval_code, *function_name, *function_args, *function_code; + int eval_code_length, function_name_length, function_args_len, function_code_len; + int retval; + char *eval_name; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &function_args, &function_args_len, &function_code, &function_code_len) == FAILURE) { + return; + } + + eval_code = (char *) emalloc(sizeof("function " LAMBDA_TEMP_FUNCNAME) + +function_args_len + +2 /* for the args parentheses */ + +2 /* for the curly braces */ + +function_code_len); + + eval_code_length = sizeof("function " LAMBDA_TEMP_FUNCNAME "(") - 1; + memcpy(eval_code, "function " LAMBDA_TEMP_FUNCNAME "(", eval_code_length); + + memcpy(eval_code + eval_code_length, function_args, function_args_len); + eval_code_length += function_args_len; + + eval_code[eval_code_length++] = ')'; + eval_code[eval_code_length++] = '{'; + + memcpy(eval_code + eval_code_length, function_code, function_code_len); + eval_code_length += function_code_len; + + eval_code[eval_code_length++] = '}'; + eval_code[eval_code_length] = '\0'; + + eval_name = zend_make_compiled_string_description("runtime-created function" TSRMLS_CC); + retval = zend_eval_stringl(eval_code, eval_code_length, NULL, eval_name TSRMLS_CC); + efree(eval_code); + efree(eval_name); + + if (retval==SUCCESS) { + zend_function new_function, *func; + + if (zend_hash_find(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME), (void **) &func)==FAILURE) { + zend_error(E_ERROR, "Unexpected inconsistency in create_function()"); + RETURN_FALSE; + } + new_function = *func; + function_add_ref(&new_function); + + function_name = (char *) emalloc(sizeof("0lambda_")+MAX_LENGTH_OF_LONG); + function_name[0] = '\0'; + + do { + function_name_length = 1 + snprintf(function_name + 1, sizeof("lambda_")+MAX_LENGTH_OF_LONG, "lambda_%d", ++EG(lambda_count)); + } while (zend_hash_add(EG(function_table), function_name, function_name_length+1, &new_function, sizeof(zend_function), NULL)==FAILURE); + zend_hash_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)); + RETURN_STRINGL(function_name, function_name_length, 0); + } else { + zend_hash_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)); + RETURN_FALSE; + } +} +/* }}} */ + + +#if ZEND_DEBUG +ZEND_FUNCTION(zend_test_func) +{ + zval *arg1, *arg2; + + zend_get_parameters(ht, 2, &arg1, &arg2); +} + + +#ifdef ZTS +ZEND_FUNCTION(zend_thread_id) +{ + RETURN_LONG((long)tsrm_thread_id()); +} +#endif +#endif + +/* {{{ proto string get_resource_type(resource res) + Get the resource type name for a given resource */ +ZEND_FUNCTION(get_resource_type) +{ + const char *resource_type; + zval *z_resource_type; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_resource_type) == FAILURE) { + return; + } + + resource_type = zend_rsrc_list_get_rsrc_type(Z_LVAL_P(z_resource_type) TSRMLS_CC); + if (resource_type) { + RETURN_STRING(resource_type, 1); + } else { + RETURN_STRING("Unknown", 1); + } +} +/* }}} */ + + +static int add_extension_info(zend_module_entry *module, void *arg TSRMLS_DC) +{ + zval *name_array = (zval *)arg; + add_next_index_string(name_array, module->name, 1); + return 0; +} + +static int add_zendext_info(zend_extension *ext, void *arg TSRMLS_DC) +{ + zval *name_array = (zval *)arg; + add_next_index_string(name_array, ext->name, 1); + return 0; +} + +static int add_constant_info(zend_constant *constant, void *arg TSRMLS_DC) +{ + zval *name_array = (zval *)arg; + zval *const_val; + + MAKE_STD_ZVAL(const_val); + *const_val = constant->value; + zval_copy_ctor(const_val); + INIT_PZVAL(const_val); + add_assoc_zval_ex(name_array, constant->name, constant->name_len, const_val); + return 0; +} + + +/* {{{ proto array get_loaded_extensions([bool zend_extensions]) U + Return an array containing names of loaded extensions */ +ZEND_FUNCTION(get_loaded_extensions) +{ + zend_bool zendext = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &zendext) == FAILURE) { + return; + } + + array_init(return_value); + + if (zendext) { + zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) add_zendext_info, return_value TSRMLS_CC); + } else { + zend_hash_apply_with_argument(&module_registry, (apply_func_arg_t) add_extension_info, return_value TSRMLS_CC); + } +} +/* }}} */ + + +/* {{{ proto array get_defined_constants([bool categorize]) + Return an array containing the names and values of all defined constants */ +ZEND_FUNCTION(get_defined_constants) +{ + zend_bool categorize = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &categorize) == FAILURE) { + return; + } + + array_init(return_value); + + if (categorize) { + HashPosition pos; + zend_constant *val; + int module_number; + zval **modules; + char **module_names; + zend_module_entry *module; + int i = 1; + + modules = ecalloc(zend_hash_num_elements(&module_registry) + 2, sizeof(zval *)); + module_names = emalloc((zend_hash_num_elements(&module_registry) + 2) * sizeof(char *)); + + module_names[0] = "internal"; + zend_hash_internal_pointer_reset_ex(&module_registry, &pos); + while (zend_hash_get_current_data_ex(&module_registry, (void *) &module, &pos) != FAILURE) { + module_names[module->module_number] = (char *)module->name; + i++; + zend_hash_move_forward_ex(&module_registry, &pos); + } + module_names[i] = "user"; + + zend_hash_internal_pointer_reset_ex(EG(zend_constants), &pos); + while (zend_hash_get_current_data_ex(EG(zend_constants), (void **) &val, &pos) != FAILURE) { + zval *const_val; + + if (val->module_number == PHP_USER_CONSTANT) { + module_number = i; + } else if (val->module_number > i || val->module_number < 0) { + /* should not happen */ + goto bad_module_id; + } else { + module_number = val->module_number; + } + + if (!modules[module_number]) { + MAKE_STD_ZVAL(modules[module_number]); + array_init(modules[module_number]); + add_assoc_zval(return_value, module_names[module_number], modules[module_number]); + } + + MAKE_STD_ZVAL(const_val); + *const_val = val->value; + zval_copy_ctor(const_val); + INIT_PZVAL(const_val); + + add_assoc_zval_ex(modules[module_number], val->name, val->name_len, const_val); +bad_module_id: + zend_hash_move_forward_ex(EG(zend_constants), &pos); + } + efree(module_names); + efree(modules); + } else { + zend_hash_apply_with_argument(EG(zend_constants), (apply_func_arg_t) add_constant_info, return_value TSRMLS_CC); + } +} +/* }}} */ + + +static zval *debug_backtrace_get_args(void **curpos TSRMLS_DC) +{ + void **p = curpos; + zval *arg_array, **arg; + int arg_count = (int)(zend_uintptr_t) *p; + + MAKE_STD_ZVAL(arg_array); + array_init_size(arg_array, arg_count); + p -= arg_count; + + while (--arg_count >= 0) { + arg = (zval **) p++; + if (*arg) { + if (Z_TYPE_PP(arg) != IS_OBJECT) { + SEPARATE_ZVAL_TO_MAKE_IS_REF(arg); + } + Z_ADDREF_PP(arg); + add_next_index_zval(arg_array, *arg); + } else { + add_next_index_null(arg_array); + } + } + + return arg_array; +} + +void debug_print_backtrace_args(zval *arg_array TSRMLS_DC) +{ + zval **tmp; + HashPosition iterator; + int i = 0; + + zend_hash_internal_pointer_reset_ex(arg_array->value.ht, &iterator); + while (zend_hash_get_current_data_ex(arg_array->value.ht, (void **) &tmp, &iterator) == SUCCESS) { + if (i++) { + ZEND_PUTS(", "); + } + zend_print_flat_zval_r(*tmp TSRMLS_CC); + zend_hash_move_forward_ex(arg_array->value.ht, &iterator); + } +} + +/* {{{ proto void debug_print_backtrace([int options[, int limit]]) */ +ZEND_FUNCTION(debug_print_backtrace) +{ + zend_execute_data *ptr, *skip; + int lineno, frameno = 0; + const char *function_name; + const char *filename; + const char *class_name = NULL; + char *call_type; + const char *include_filename = NULL; + zval *arg_array = NULL; + int indent = 0; + long options = 0; + long limit = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &options, &limit) == FAILURE) { + return; + } + + ptr = EG(current_execute_data); + + /* skip debug_backtrace() */ + ptr = ptr->prev_execute_data; + + while (ptr && (limit == 0 || frameno < limit)) { + const char *free_class_name = NULL; + + frameno++; + class_name = call_type = NULL; + arg_array = NULL; + + skip = ptr; + /* skip internal handler */ + if (!skip->op_array && + skip->prev_execute_data && + skip->prev_execute_data->opline && + skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL && + skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL_BY_NAME && + skip->prev_execute_data->opline->opcode != ZEND_INCLUDE_OR_EVAL) { + skip = skip->prev_execute_data; + } + + if (skip->op_array) { + filename = skip->op_array->filename; + lineno = skip->opline->lineno; + } else { + filename = NULL; + lineno = 0; + } + + function_name = ptr->function_state.function->common.function_name; + + if (function_name) { + if (ptr->object) { + if (ptr->function_state.function->common.scope) { + class_name = ptr->function_state.function->common.scope->name; + } else { + zend_uint class_name_len; + int dup; + + dup = zend_get_object_classname(ptr->object, &class_name, &class_name_len TSRMLS_CC); + if(!dup) { + free_class_name = class_name; + } + } + + call_type = "->"; + } else if (ptr->function_state.function->common.scope) { + class_name = ptr->function_state.function->common.scope->name; + call_type = "::"; + } else { + class_name = NULL; + call_type = NULL; + } + if ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL))) { + if (ptr->function_state.arguments && (options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0) { + arg_array = debug_backtrace_get_args(ptr->function_state.arguments TSRMLS_CC); + } + } + } else { + /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */ + zend_bool build_filename_arg = 1; + + if (!ptr->opline || ptr->opline->opcode != ZEND_INCLUDE_OR_EVAL) { + /* can happen when calling eval from a custom sapi */ + function_name = "unknown"; + build_filename_arg = 0; + } else + switch (ptr->opline->extended_value) { + case ZEND_EVAL: + function_name = "eval"; + build_filename_arg = 0; + break; + case ZEND_INCLUDE: + function_name = "include"; + break; + case ZEND_REQUIRE: + function_name = "require"; + break; + case ZEND_INCLUDE_ONCE: + function_name = "include_once"; + break; + case ZEND_REQUIRE_ONCE: + function_name = "require_once"; + break; + default: + /* this can actually happen if you use debug_backtrace() in your error_handler and + * you're in the top-scope */ + function_name = "unknown"; + build_filename_arg = 0; + break; + } + + if (build_filename_arg && include_filename) { + MAKE_STD_ZVAL(arg_array); + array_init(arg_array); + add_next_index_string(arg_array, (char*)include_filename, 1); + } + call_type = NULL; + } + zend_printf("#%-2d ", indent); + if (class_name) { + ZEND_PUTS(class_name); + ZEND_PUTS(call_type); + } + zend_printf("%s(", function_name); + if (arg_array) { + debug_print_backtrace_args(arg_array TSRMLS_CC); + zval_ptr_dtor(&arg_array); + } + if (filename) { + zend_printf(") called at [%s:%d]\n", filename, lineno); + } else { + zend_execute_data *prev = skip->prev_execute_data; + + while (prev) { + if (prev->function_state.function && + prev->function_state.function->common.type != ZEND_USER_FUNCTION) { + prev = NULL; + break; + } + if (prev->op_array) { + zend_printf(") called at [%s:%d]\n", prev->op_array->filename, prev->opline->lineno); + break; + } + prev = prev->prev_execute_data; + } + if (!prev) { + ZEND_PUTS(")\n"); + } + } + include_filename = filename; + ptr = skip->prev_execute_data; + ++indent; + if (free_class_name) { + efree((char*)free_class_name); + } + } +} + +/* }}} */ + +ZEND_API void zend_fetch_debug_backtrace(zval *return_value, int skip_last, int options, int limit TSRMLS_DC) +{ + zend_execute_data *ptr, *skip; + int lineno, frameno = 0; + const char *function_name; + const char *filename; + const char *class_name; + const char *include_filename = NULL; + zval *stack_frame; + + ptr = EG(current_execute_data); + + /* skip "new Exception()" */ + if (ptr && (skip_last == 0) && ptr->opline && (ptr->opline->opcode == ZEND_NEW)) { + ptr = ptr->prev_execute_data; + } + + /* skip debug_backtrace() */ + if (skip_last-- && ptr) { + ptr = ptr->prev_execute_data; + } + + array_init(return_value); + + while (ptr && (limit == 0 || frameno < limit)) { + frameno++; + MAKE_STD_ZVAL(stack_frame); + array_init(stack_frame); + + skip = ptr; + /* skip internal handler */ + if (!skip->op_array && + skip->prev_execute_data && + skip->prev_execute_data->opline && + skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL && + skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL_BY_NAME && + skip->prev_execute_data->opline->opcode != ZEND_INCLUDE_OR_EVAL) { + skip = skip->prev_execute_data; + } + + if (skip->op_array) { + filename = skip->op_array->filename; + lineno = skip->opline->lineno; + add_assoc_string_ex(stack_frame, "file", sizeof("file"), (char*)filename, 1); + add_assoc_long_ex(stack_frame, "line", sizeof("line"), lineno); + + /* try to fetch args only if an FCALL was just made - elsewise we're in the middle of a function + * and debug_baktrace() might have been called by the error_handler. in this case we don't + * want to pop anything of the argument-stack */ + } else { + zend_execute_data *prev = skip->prev_execute_data; + + while (prev) { + if (prev->function_state.function && + prev->function_state.function->common.type != ZEND_USER_FUNCTION && + !(prev->function_state.function->common.type == ZEND_INTERNAL_FUNCTION && + (prev->function_state.function->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER))) { + break; + } + if (prev->op_array) { + add_assoc_string_ex(stack_frame, "file", sizeof("file"), (char*)prev->op_array->filename, 1); + add_assoc_long_ex(stack_frame, "line", sizeof("line"), prev->opline->lineno); + break; + } + prev = prev->prev_execute_data; + } + filename = NULL; + } + + function_name = ptr->function_state.function->common.function_name; + + if (function_name) { + add_assoc_string_ex(stack_frame, "function", sizeof("function"), (char*)function_name, 1); + + if (ptr->object && Z_TYPE_P(ptr->object) == IS_OBJECT) { + if (ptr->function_state.function->common.scope) { + add_assoc_string_ex(stack_frame, "class", sizeof("class"), (char*)ptr->function_state.function->common.scope->name, 1); + } else { + zend_uint class_name_len; + int dup; + + dup = zend_get_object_classname(ptr->object, &class_name, &class_name_len TSRMLS_CC); + add_assoc_string_ex(stack_frame, "class", sizeof("class"), (char*)class_name, dup); + + } + if ((options & DEBUG_BACKTRACE_PROVIDE_OBJECT) != 0) { + add_assoc_zval_ex(stack_frame, "object", sizeof("object"), ptr->object); + Z_ADDREF_P(ptr->object); + } + + add_assoc_string_ex(stack_frame, "type", sizeof("type"), "->", 1); + } else if (ptr->function_state.function->common.scope) { + add_assoc_string_ex(stack_frame, "class", sizeof("class"), (char*)ptr->function_state.function->common.scope->name, 1); + add_assoc_string_ex(stack_frame, "type", sizeof("type"), "::", 1); + } + + if ((options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0 && + ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL)))) { + if (ptr->function_state.arguments) { + add_assoc_zval_ex(stack_frame, "args", sizeof("args"), debug_backtrace_get_args(ptr->function_state.arguments TSRMLS_CC)); + } + } + } else { + /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */ + zend_bool build_filename_arg = 1; + + if (!ptr->opline || ptr->opline->opcode != ZEND_INCLUDE_OR_EVAL) { + /* can happen when calling eval from a custom sapi */ + function_name = "unknown"; + build_filename_arg = 0; + } else + switch (ptr->opline->extended_value) { + case ZEND_EVAL: + function_name = "eval"; + build_filename_arg = 0; + break; + case ZEND_INCLUDE: + function_name = "include"; + break; + case ZEND_REQUIRE: + function_name = "require"; + break; + case ZEND_INCLUDE_ONCE: + function_name = "include_once"; + break; + case ZEND_REQUIRE_ONCE: + function_name = "require_once"; + break; + default: + /* this can actually happen if you use debug_backtrace() in your error_handler and + * you're in the top-scope */ + function_name = "unknown"; + build_filename_arg = 0; + break; + } + + if (build_filename_arg && include_filename) { + zval *arg_array; + + MAKE_STD_ZVAL(arg_array); + array_init(arg_array); + + /* include_filename always points to the last filename of the last last called-fuction. + if we have called include in the frame above - this is the file we have included. + */ + + add_next_index_string(arg_array, (char*)include_filename, 1); + add_assoc_zval_ex(stack_frame, "args", sizeof("args"), arg_array); + } + + add_assoc_string_ex(stack_frame, "function", sizeof("function"), (char*)function_name, 1); + } + + add_next_index_zval(return_value, stack_frame); + + include_filename = filename; + + ptr = skip->prev_execute_data; + } +} +/* }}} */ + + +/* {{{ proto array debug_backtrace([int options[, int limit]]) + Return backtrace as array */ +ZEND_FUNCTION(debug_backtrace) +{ + long options = DEBUG_BACKTRACE_PROVIDE_OBJECT; + long limit = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &options, &limit) == FAILURE) { + return; + } + + zend_fetch_debug_backtrace(return_value, 1, options, limit TSRMLS_CC); +} +/* }}} */ + +/* {{{ proto bool extension_loaded(string extension_name) + Returns true if the named extension is loaded */ +ZEND_FUNCTION(extension_loaded) +{ + char *extension_name; + int extension_name_len; + char *lcname; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &extension_name, &extension_name_len) == FAILURE) { + return; + } + + lcname = zend_str_tolower_dup(extension_name, extension_name_len); + if (zend_hash_exists(&module_registry, lcname, extension_name_len+1)) { + RETVAL_TRUE; + } else { + RETVAL_FALSE; + } + efree(lcname); +} +/* }}} */ + + +/* {{{ proto array get_extension_funcs(string extension_name) + Returns an array with the names of functions belonging to the named extension */ +ZEND_FUNCTION(get_extension_funcs) +{ + char *extension_name; + int extension_name_len; + zend_module_entry *module; + const zend_function_entry *func; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &extension_name, &extension_name_len) == FAILURE) { + return; + } + + if (strncasecmp(extension_name, "zend", sizeof("zend"))) { + char *lcname = zend_str_tolower_dup(extension_name, extension_name_len); + if (zend_hash_find(&module_registry, lcname, + extension_name_len+1, (void**)&module) == FAILURE) { + efree(lcname); + RETURN_FALSE; + } + efree(lcname); + + if (!(func = module->functions)) { + RETURN_FALSE; + } + } else { + func = builtin_functions; + } + + array_init(return_value); + + while (func->fname) { + add_next_index_string(return_value, func->fname, 1); + func++; + } +} +/* }}} */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + */ |