mirror of
https://github.com/php/php-src.git
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149e6aaa99
A dynamic property may be shadowed by a private/protected property. Make sure we check property accessibility for non-indirect properties as well. Closes #3626.
2758 lines
76 KiB
C
2758 lines
76 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend 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@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#include "zend.h"
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#include "zend_API.h"
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#include "zend_gc.h"
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#include "zend_builtin_functions.h"
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#include "zend_constants.h"
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#include "zend_ini.h"
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#include "zend_exceptions.h"
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#include "zend_extensions.h"
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#include "zend_closures.h"
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#include "zend_generators.h"
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static ZEND_FUNCTION(zend_version);
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static ZEND_FUNCTION(func_num_args);
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static ZEND_FUNCTION(func_get_arg);
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static ZEND_FUNCTION(func_get_args);
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static ZEND_FUNCTION(strlen);
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static ZEND_FUNCTION(strcmp);
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static ZEND_FUNCTION(strncmp);
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static ZEND_FUNCTION(strcasecmp);
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static ZEND_FUNCTION(strncasecmp);
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static ZEND_FUNCTION(each);
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static ZEND_FUNCTION(error_reporting);
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static ZEND_FUNCTION(define);
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static ZEND_FUNCTION(defined);
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static ZEND_FUNCTION(get_class);
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static ZEND_FUNCTION(get_called_class);
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static ZEND_FUNCTION(get_parent_class);
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static ZEND_FUNCTION(method_exists);
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static ZEND_FUNCTION(property_exists);
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static ZEND_FUNCTION(class_exists);
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static ZEND_FUNCTION(interface_exists);
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static ZEND_FUNCTION(trait_exists);
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static ZEND_FUNCTION(function_exists);
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static ZEND_FUNCTION(class_alias);
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static ZEND_FUNCTION(get_included_files);
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static ZEND_FUNCTION(is_subclass_of);
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static ZEND_FUNCTION(is_a);
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static ZEND_FUNCTION(get_class_vars);
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static ZEND_FUNCTION(get_object_vars);
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static ZEND_FUNCTION(get_class_methods);
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static ZEND_FUNCTION(trigger_error);
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static ZEND_FUNCTION(set_error_handler);
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static ZEND_FUNCTION(restore_error_handler);
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static ZEND_FUNCTION(set_exception_handler);
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static ZEND_FUNCTION(restore_exception_handler);
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static ZEND_FUNCTION(get_declared_classes);
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static ZEND_FUNCTION(get_declared_traits);
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static ZEND_FUNCTION(get_declared_interfaces);
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static ZEND_FUNCTION(get_defined_functions);
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static ZEND_FUNCTION(get_defined_vars);
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static ZEND_FUNCTION(create_function);
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static ZEND_FUNCTION(get_resource_type);
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static ZEND_FUNCTION(get_resources);
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static ZEND_FUNCTION(get_loaded_extensions);
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static ZEND_FUNCTION(extension_loaded);
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static ZEND_FUNCTION(get_extension_funcs);
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static ZEND_FUNCTION(get_defined_constants);
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static ZEND_FUNCTION(debug_backtrace);
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static ZEND_FUNCTION(debug_print_backtrace);
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#if ZEND_DEBUG && defined(ZTS)
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static ZEND_FUNCTION(zend_thread_id);
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#endif
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static ZEND_FUNCTION(gc_mem_caches);
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static ZEND_FUNCTION(gc_collect_cycles);
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static ZEND_FUNCTION(gc_enabled);
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static ZEND_FUNCTION(gc_enable);
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static ZEND_FUNCTION(gc_disable);
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static ZEND_FUNCTION(gc_status);
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/* {{{ arginfo */
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ZEND_BEGIN_ARG_INFO(arginfo_zend__void, 0)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_func_get_arg, 0, 0, 1)
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ZEND_ARG_INFO(0, arg_num)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_strlen, 0, 0, 1)
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ZEND_ARG_INFO(0, str)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_strcmp, 0, 0, 2)
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ZEND_ARG_INFO(0, str1)
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ZEND_ARG_INFO(0, str2)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_strncmp, 0, 0, 3)
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ZEND_ARG_INFO(0, str1)
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ZEND_ARG_INFO(0, str2)
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ZEND_ARG_INFO(0, len)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_each, 0, 0, 1)
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ZEND_ARG_INFO(1, arr)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_error_reporting, 0, 0, 0)
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ZEND_ARG_INFO(0, new_error_level)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_define, 0, 0, 2)
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ZEND_ARG_INFO(0, constant_name)
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ZEND_ARG_INFO(0, value)
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ZEND_ARG_INFO(0, case_insensitive)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_defined, 0, 0, 1)
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ZEND_ARG_INFO(0, constant_name)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class, 0, 0, 0)
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ZEND_ARG_INFO(0, object)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_is_subclass_of, 0, 0, 2)
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ZEND_ARG_INFO(0, object)
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ZEND_ARG_INFO(0, class_name)
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ZEND_ARG_INFO(0, allow_string)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_vars, 0, 0, 1)
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ZEND_ARG_INFO(0, class_name)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_object_vars, 0, 0, 1)
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ZEND_ARG_INFO(0, obj)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_methods, 0, 0, 1)
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ZEND_ARG_INFO(0, class)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_method_exists, 0, 0, 2)
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ZEND_ARG_INFO(0, object)
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ZEND_ARG_INFO(0, method)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_property_exists, 0, 0, 2)
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ZEND_ARG_INFO(0, object_or_class)
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ZEND_ARG_INFO(0, property_name)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_class_exists, 0, 0, 1)
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ZEND_ARG_INFO(0, classname)
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ZEND_ARG_INFO(0, autoload)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_trait_exists, 0, 0, 1)
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ZEND_ARG_INFO(0, traitname)
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ZEND_ARG_INFO(0, autoload)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_function_exists, 0, 0, 1)
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ZEND_ARG_INFO(0, function_name)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_class_alias, 0, 0, 2)
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ZEND_ARG_INFO(0, user_class_name)
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ZEND_ARG_INFO(0, alias_name)
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ZEND_ARG_INFO(0, autoload)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_trigger_error, 0, 0, 1)
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ZEND_ARG_INFO(0, message)
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ZEND_ARG_INFO(0, error_type)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_set_error_handler, 0, 0, 1)
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ZEND_ARG_INFO(0, error_handler)
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ZEND_ARG_INFO(0, error_types)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_set_exception_handler, 0, 0, 1)
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ZEND_ARG_INFO(0, exception_handler)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_defined_functions, 0, 0, 0)
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ZEND_ARG_INFO(0, exclude_disabled)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_create_function, 0, 0, 2)
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ZEND_ARG_INFO(0, args)
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ZEND_ARG_INFO(0, code)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_resource_type, 0, 0, 1)
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ZEND_ARG_INFO(0, res)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_resources, 0, 0, 0)
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ZEND_ARG_INFO(0, type)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_loaded_extensions, 0, 0, 0)
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ZEND_ARG_INFO(0, zend_extensions)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_get_defined_constants, 0, 0, 0)
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ZEND_ARG_INFO(0, categorize)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_backtrace, 0, 0, 0)
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ZEND_ARG_INFO(0, options)
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ZEND_ARG_INFO(0, limit)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_print_backtrace, 0, 0, 0)
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ZEND_ARG_INFO(0, options)
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ZEND_ARG_INFO(0, limit)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_extension_loaded, 0, 0, 1)
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ZEND_ARG_INFO(0, extension_name)
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ZEND_END_ARG_INFO()
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/* }}} */
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static const zend_function_entry builtin_functions[] = { /* {{{ */
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ZEND_FE(zend_version, arginfo_zend__void)
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ZEND_FE(func_num_args, arginfo_zend__void)
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ZEND_FE(func_get_arg, arginfo_func_get_arg)
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ZEND_FE(func_get_args, arginfo_zend__void)
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ZEND_FE(strlen, arginfo_strlen)
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ZEND_FE(strcmp, arginfo_strcmp)
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ZEND_FE(strncmp, arginfo_strncmp)
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ZEND_FE(strcasecmp, arginfo_strcmp)
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ZEND_FE(strncasecmp, arginfo_strncmp)
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ZEND_FE(each, arginfo_each)
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ZEND_FE(error_reporting, arginfo_error_reporting)
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ZEND_FE(define, arginfo_define)
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ZEND_FE(defined, arginfo_defined)
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ZEND_FE(get_class, arginfo_get_class)
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ZEND_FE(get_called_class, arginfo_zend__void)
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ZEND_FE(get_parent_class, arginfo_get_class)
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ZEND_FE(method_exists, arginfo_method_exists)
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ZEND_FE(property_exists, arginfo_property_exists)
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ZEND_FE(class_exists, arginfo_class_exists)
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ZEND_FE(interface_exists, arginfo_class_exists)
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ZEND_FE(trait_exists, arginfo_trait_exists)
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ZEND_FE(function_exists, arginfo_function_exists)
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ZEND_FE(class_alias, arginfo_class_alias)
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ZEND_FE(get_included_files, arginfo_zend__void)
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ZEND_FALIAS(get_required_files, get_included_files, arginfo_zend__void)
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ZEND_FE(is_subclass_of, arginfo_is_subclass_of)
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ZEND_FE(is_a, arginfo_is_subclass_of)
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ZEND_FE(get_class_vars, arginfo_get_class_vars)
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ZEND_FE(get_object_vars, arginfo_get_object_vars)
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ZEND_FE(get_class_methods, arginfo_get_class_methods)
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ZEND_FE(trigger_error, arginfo_trigger_error)
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ZEND_FALIAS(user_error, trigger_error, arginfo_trigger_error)
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ZEND_FE(set_error_handler, arginfo_set_error_handler)
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ZEND_FE(restore_error_handler, arginfo_zend__void)
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ZEND_FE(set_exception_handler, arginfo_set_exception_handler)
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ZEND_FE(restore_exception_handler, arginfo_zend__void)
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ZEND_FE(get_declared_classes, arginfo_zend__void)
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ZEND_FE(get_declared_traits, arginfo_zend__void)
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ZEND_FE(get_declared_interfaces, arginfo_zend__void)
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ZEND_FE(get_defined_functions, arginfo_get_defined_functions)
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ZEND_FE(get_defined_vars, arginfo_zend__void)
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ZEND_DEP_FE(create_function, arginfo_create_function)
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ZEND_FE(get_resource_type, arginfo_get_resource_type)
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ZEND_FE(get_resources, arginfo_get_resources)
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ZEND_FE(get_loaded_extensions, arginfo_get_loaded_extensions)
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ZEND_FE(extension_loaded, arginfo_extension_loaded)
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ZEND_FE(get_extension_funcs, arginfo_extension_loaded)
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ZEND_FE(get_defined_constants, arginfo_get_defined_constants)
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ZEND_FE(debug_backtrace, arginfo_debug_backtrace)
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ZEND_FE(debug_print_backtrace, arginfo_debug_print_backtrace)
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#if ZEND_DEBUG && defined(ZTS)
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ZEND_FE(zend_thread_id, NULL)
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#endif
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ZEND_FE(gc_mem_caches, arginfo_zend__void)
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ZEND_FE(gc_collect_cycles, arginfo_zend__void)
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ZEND_FE(gc_enabled, arginfo_zend__void)
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ZEND_FE(gc_enable, arginfo_zend__void)
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ZEND_FE(gc_disable, arginfo_zend__void)
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ZEND_FE(gc_status, arginfo_zend__void)
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ZEND_FE_END
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};
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/* }}} */
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ZEND_MINIT_FUNCTION(core) { /* {{{ */
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zend_class_entry class_entry;
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INIT_CLASS_ENTRY(class_entry, "stdClass", NULL);
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zend_standard_class_def = zend_register_internal_class(&class_entry);
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zend_register_default_classes();
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return SUCCESS;
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}
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/* }}} */
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zend_module_entry zend_builtin_module = { /* {{{ */
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STANDARD_MODULE_HEADER,
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"Core",
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builtin_functions,
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ZEND_MINIT(core),
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NULL,
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NULL,
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NULL,
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NULL,
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ZEND_VERSION,
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STANDARD_MODULE_PROPERTIES
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};
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/* }}} */
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int zend_startup_builtin_functions(void) /* {{{ */
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{
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zend_builtin_module.module_number = 0;
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zend_builtin_module.type = MODULE_PERSISTENT;
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return (EG(current_module) = zend_register_module_ex(&zend_builtin_module)) == NULL ? FAILURE : SUCCESS;
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}
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/* }}} */
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/* {{{ proto string zend_version(void)
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Get the version of the Zend Engine */
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ZEND_FUNCTION(zend_version)
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{
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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RETURN_STRINGL(ZEND_VERSION, sizeof(ZEND_VERSION)-1);
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}
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/* }}} */
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/* {{{ proto int gc_mem_caches(void)
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Reclaims memory used by MM caches.
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Returns number of freed bytes */
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ZEND_FUNCTION(gc_mem_caches)
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{
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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RETURN_LONG(zend_mm_gc(zend_mm_get_heap()));
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}
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/* }}} */
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/* {{{ proto int gc_collect_cycles(void)
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Forces collection of any existing garbage cycles.
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Returns number of freed zvals */
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ZEND_FUNCTION(gc_collect_cycles)
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{
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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RETURN_LONG(gc_collect_cycles());
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}
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/* }}} */
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/* {{{ proto void gc_enabled(void)
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Returns status of the circular reference collector */
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ZEND_FUNCTION(gc_enabled)
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{
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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RETURN_BOOL(gc_enabled());
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}
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/* }}} */
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/* {{{ proto void gc_enable(void)
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Activates the circular reference collector */
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ZEND_FUNCTION(gc_enable)
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{
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zend_string *key;
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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key = zend_string_init("zend.enable_gc", sizeof("zend.enable_gc")-1, 0);
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zend_alter_ini_entry_chars(key, "1", sizeof("1")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
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zend_string_release_ex(key, 0);
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}
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/* }}} */
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/* {{{ proto void gc_disable(void)
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Deactivates the circular reference collector */
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ZEND_FUNCTION(gc_disable)
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{
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zend_string *key;
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|
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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key = zend_string_init("zend.enable_gc", sizeof("zend.enable_gc")-1, 0);
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zend_alter_ini_entry_chars(key, "0", sizeof("0")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
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zend_string_release_ex(key, 0);
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}
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/* }}} */
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|
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/* {{{ proto array gc_status(void)
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Returns current GC statistics */
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ZEND_FUNCTION(gc_status)
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{
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zend_gc_status status;
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if (zend_parse_parameters_none() == FAILURE) {
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return;
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}
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zend_gc_get_status(&status);
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array_init_size(return_value, 3);
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add_assoc_long_ex(return_value, "runs", sizeof("runs")-1, (long)status.runs);
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add_assoc_long_ex(return_value, "collected", sizeof("collected")-1, (long)status.collected);
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add_assoc_long_ex(return_value, "threshold", sizeof("threshold")-1, (long)status.threshold);
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add_assoc_long_ex(return_value, "roots", sizeof("roots")-1, (long)status.num_roots);
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}
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/* }}} */
|
|
|
|
/* {{{ 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 = EX(prev_execute_data);
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (ZEND_CALL_INFO(ex) & ZEND_CALL_CODE) {
|
|
zend_error(E_WARNING, "func_num_args(): Called from the global scope - no function context");
|
|
RETURN_LONG(-1);
|
|
}
|
|
|
|
if (zend_forbid_dynamic_call("func_num_args()") == FAILURE) {
|
|
RETURN_LONG(-1);
|
|
}
|
|
|
|
RETURN_LONG(ZEND_CALL_NUM_ARGS(ex));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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)
|
|
{
|
|
uint32_t arg_count, first_extra_arg;
|
|
zval *arg;
|
|
zend_long requested_offset;
|
|
zend_execute_data *ex;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &requested_offset) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (requested_offset < 0) {
|
|
zend_error(E_WARNING, "func_get_arg(): The argument number should be >= 0");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ex = EX(prev_execute_data);
|
|
if (ZEND_CALL_INFO(ex) & ZEND_CALL_CODE) {
|
|
zend_error(E_WARNING, "func_get_arg(): Called from the global scope - no function context");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (zend_forbid_dynamic_call("func_get_arg()") == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
arg_count = ZEND_CALL_NUM_ARGS(ex);
|
|
|
|
if ((zend_ulong)requested_offset >= arg_count) {
|
|
zend_error(E_WARNING, "func_get_arg(): Argument " ZEND_LONG_FMT " not passed to function", requested_offset);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
first_extra_arg = ex->func->op_array.num_args;
|
|
if ((zend_ulong)requested_offset >= first_extra_arg && (ZEND_CALL_NUM_ARGS(ex) > first_extra_arg)) {
|
|
arg = ZEND_CALL_VAR_NUM(ex, ex->func->op_array.last_var + ex->func->op_array.T) + (requested_offset - first_extra_arg);
|
|
} else {
|
|
arg = ZEND_CALL_ARG(ex, requested_offset + 1);
|
|
}
|
|
if (EXPECTED(!Z_ISUNDEF_P(arg))) {
|
|
ZVAL_COPY_DEREF(return_value, arg);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array func_get_args()
|
|
Get an array of the arguments that were passed to the function */
|
|
ZEND_FUNCTION(func_get_args)
|
|
{
|
|
zval *p, *q;
|
|
uint32_t arg_count, first_extra_arg;
|
|
uint32_t i;
|
|
zend_execute_data *ex = EX(prev_execute_data);
|
|
|
|
if (ZEND_CALL_INFO(ex) & ZEND_CALL_CODE) {
|
|
zend_error(E_WARNING, "func_get_args(): Called from the global scope - no function context");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (zend_forbid_dynamic_call("func_get_args()") == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
arg_count = ZEND_CALL_NUM_ARGS(ex);
|
|
|
|
if (arg_count) {
|
|
array_init_size(return_value, arg_count);
|
|
first_extra_arg = ex->func->op_array.num_args;
|
|
zend_hash_real_init_packed(Z_ARRVAL_P(return_value));
|
|
ZEND_HASH_FILL_PACKED(Z_ARRVAL_P(return_value)) {
|
|
i = 0;
|
|
p = ZEND_CALL_ARG(ex, 1);
|
|
if (arg_count > first_extra_arg) {
|
|
while (i < first_extra_arg) {
|
|
q = p;
|
|
if (EXPECTED(Z_TYPE_INFO_P(q) != IS_UNDEF)) {
|
|
ZVAL_DEREF(q);
|
|
if (Z_OPT_REFCOUNTED_P(q)) {
|
|
Z_ADDREF_P(q);
|
|
}
|
|
} else {
|
|
q = &EG(uninitialized_zval);
|
|
}
|
|
ZEND_HASH_FILL_ADD(q);
|
|
p++;
|
|
i++;
|
|
}
|
|
p = ZEND_CALL_VAR_NUM(ex, ex->func->op_array.last_var + ex->func->op_array.T);
|
|
}
|
|
while (i < arg_count) {
|
|
q = p;
|
|
if (EXPECTED(Z_TYPE_INFO_P(q) != IS_UNDEF)) {
|
|
ZVAL_DEREF(q);
|
|
if (Z_OPT_REFCOUNTED_P(q)) {
|
|
Z_ADDREF_P(q);
|
|
}
|
|
} else {
|
|
q = &EG(uninitialized_zval);
|
|
}
|
|
ZEND_HASH_FILL_ADD(q);
|
|
p++;
|
|
i++;
|
|
}
|
|
} ZEND_HASH_FILL_END();
|
|
Z_ARRVAL_P(return_value)->nNumOfElements = arg_count;
|
|
} else {
|
|
ZVAL_EMPTY_ARRAY(return_value);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int strlen(string str)
|
|
Get string length
|
|
Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
|
|
ZEND_FUNCTION(strlen)
|
|
{
|
|
zend_string *s;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 1)
|
|
Z_PARAM_STR(s)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
RETVAL_LONG(ZSTR_LEN(s));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int strcmp(string str1, string str2)
|
|
Binary safe string comparison */
|
|
ZEND_FUNCTION(strcmp)
|
|
{
|
|
zend_string *s1, *s2;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 2)
|
|
Z_PARAM_STR(s1)
|
|
Z_PARAM_STR(s2)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
RETURN_LONG(zend_binary_strcmp(ZSTR_VAL(s1), ZSTR_LEN(s1), ZSTR_VAL(s2), ZSTR_LEN(s2)));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int strncmp(string str1, string str2, int len)
|
|
Binary safe string comparison */
|
|
ZEND_FUNCTION(strncmp)
|
|
{
|
|
zend_string *s1, *s2;
|
|
zend_long len;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(3, 3)
|
|
Z_PARAM_STR(s1)
|
|
Z_PARAM_STR(s2)
|
|
Z_PARAM_LONG(len)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (len < 0) {
|
|
zend_error(E_WARNING, "Length must be greater than or equal to 0");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_LONG(zend_binary_strncmp(ZSTR_VAL(s1), ZSTR_LEN(s1), ZSTR_VAL(s2), ZSTR_LEN(s2), len));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int strcasecmp(string str1, string str2)
|
|
Binary safe case-insensitive string comparison */
|
|
ZEND_FUNCTION(strcasecmp)
|
|
{
|
|
zend_string *s1, *s2;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 2)
|
|
Z_PARAM_STR(s1)
|
|
Z_PARAM_STR(s2)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
RETURN_LONG(zend_binary_strcasecmp(ZSTR_VAL(s1), ZSTR_LEN(s1), ZSTR_VAL(s2), ZSTR_LEN(s2)));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int strncasecmp(string str1, string str2, int len)
|
|
Binary safe string comparison */
|
|
ZEND_FUNCTION(strncasecmp)
|
|
{
|
|
zend_string *s1, *s2;
|
|
zend_long len;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(3, 3)
|
|
Z_PARAM_STR(s1)
|
|
Z_PARAM_STR(s2)
|
|
Z_PARAM_LONG(len)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (len < 0) {
|
|
zend_error(E_WARNING, "Length must be greater than or equal to 0");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_LONG(zend_binary_strncasecmp(ZSTR_VAL(s1), ZSTR_LEN(s1), ZSTR_VAL(s2), ZSTR_LEN(s2), len));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed each(array &arr)
|
|
Return the currently pointed key..value pair in the passed array, and advance the pointer to the next element, or false if there is no element at this place */
|
|
ZEND_FUNCTION(each)
|
|
{
|
|
zval *array, *entry, tmp;
|
|
zend_ulong num_key;
|
|
HashTable *target_hash;
|
|
zend_string *key;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z/", &array) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (!EG(each_deprecation_thrown)) {
|
|
zend_error(E_DEPRECATED, "The each() function is deprecated. This message will be suppressed on further calls");
|
|
EG(each_deprecation_thrown) = 1;
|
|
}
|
|
|
|
target_hash = HASH_OF(array);
|
|
if (!target_hash) {
|
|
zend_error(E_WARNING,"Variable passed to each() is not an array or object");
|
|
return;
|
|
}
|
|
while (1) {
|
|
entry = zend_hash_get_current_data(target_hash);
|
|
if (!entry) {
|
|
RETURN_FALSE;
|
|
} else if (Z_TYPE_P(entry) == IS_INDIRECT) {
|
|
entry = Z_INDIRECT_P(entry);
|
|
if (Z_TYPE_P(entry) == IS_UNDEF) {
|
|
zend_hash_move_forward(target_hash);
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
array_init_size(return_value, 4);
|
|
zend_hash_real_init_mixed(Z_ARRVAL_P(return_value));
|
|
|
|
/* add value elements */
|
|
ZVAL_DEREF(entry);
|
|
if (Z_REFCOUNTED_P(entry)) {
|
|
GC_ADDREF_EX(Z_COUNTED_P(entry), 2);
|
|
}
|
|
zend_hash_index_add_new(Z_ARRVAL_P(return_value), 1, entry);
|
|
zend_hash_add_new(Z_ARRVAL_P(return_value), ZSTR_KNOWN(ZEND_STR_VALUE), entry);
|
|
|
|
/* add the key elements */
|
|
if (zend_hash_get_current_key(target_hash, &key, &num_key) == HASH_KEY_IS_STRING) {
|
|
ZVAL_STR_COPY(&tmp, key);
|
|
Z_TRY_ADDREF(tmp);
|
|
} else {
|
|
ZVAL_LONG(&tmp, num_key);
|
|
}
|
|
zend_hash_index_add_new(Z_ARRVAL_P(return_value), 0, &tmp);
|
|
zend_hash_add_new(Z_ARRVAL_P(return_value), ZSTR_KNOWN(ZEND_STR_KEY), &tmp);
|
|
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)
|
|
{
|
|
zval *err = NULL;
|
|
int old_error_reporting;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(0, 1)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_ZVAL(err)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
old_error_reporting = EG(error_reporting);
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
zend_string *new_val = zval_get_string(err);
|
|
do {
|
|
zend_ini_entry *p = EG(error_reporting_ini_entry);
|
|
|
|
if (!p) {
|
|
zval *zv = zend_hash_find_ex(EG(ini_directives), ZSTR_KNOWN(ZEND_STR_ERROR_REPORTING), 1);
|
|
if (zv) {
|
|
p = EG(error_reporting_ini_entry) = (zend_ini_entry*)Z_PTR_P(zv);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (!p->modified) {
|
|
if (!EG(modified_ini_directives)) {
|
|
ALLOC_HASHTABLE(EG(modified_ini_directives));
|
|
zend_hash_init(EG(modified_ini_directives), 8, NULL, NULL, 0);
|
|
}
|
|
if (EXPECTED(zend_hash_add_ptr(EG(modified_ini_directives), ZSTR_KNOWN(ZEND_STR_ERROR_REPORTING), p) != NULL)) {
|
|
p->orig_value = p->value;
|
|
p->orig_modifiable = p->modifiable;
|
|
p->modified = 1;
|
|
}
|
|
} else if (p->orig_value != p->value) {
|
|
zend_string_release_ex(p->value, 0);
|
|
}
|
|
|
|
p->value = new_val;
|
|
if (Z_TYPE_P(err) == IS_LONG) {
|
|
EG(error_reporting) = Z_LVAL_P(err);
|
|
} else {
|
|
EG(error_reporting) = atoi(ZSTR_VAL(p->value));
|
|
}
|
|
} while (0);
|
|
}
|
|
|
|
RETVAL_LONG(old_error_reporting);
|
|
}
|
|
/* }}} */
|
|
|
|
static int validate_constant_array(HashTable *ht) /* {{{ */
|
|
{
|
|
int ret = 1;
|
|
zval *val;
|
|
|
|
GC_PROTECT_RECURSION(ht);
|
|
ZEND_HASH_FOREACH_VAL_IND(ht, val) {
|
|
ZVAL_DEREF(val);
|
|
if (Z_REFCOUNTED_P(val)) {
|
|
if (Z_TYPE_P(val) == IS_ARRAY) {
|
|
if (Z_REFCOUNTED_P(val)) {
|
|
if (Z_IS_RECURSIVE_P(val)) {
|
|
zend_error(E_WARNING, "Constants cannot be recursive arrays");
|
|
ret = 0;
|
|
break;
|
|
} else if (!validate_constant_array(Z_ARRVAL_P(val))) {
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
} else if (Z_TYPE_P(val) != IS_STRING && Z_TYPE_P(val) != IS_RESOURCE) {
|
|
zend_error(E_WARNING, "Constants may only evaluate to scalar values, arrays or resources");
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
GC_UNPROTECT_RECURSION(ht);
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
static void copy_constant_array(zval *dst, zval *src) /* {{{ */
|
|
{
|
|
zend_string *key;
|
|
zend_ulong idx;
|
|
zval *new_val, *val;
|
|
|
|
array_init_size(dst, zend_hash_num_elements(Z_ARRVAL_P(src)));
|
|
ZEND_HASH_FOREACH_KEY_VAL_IND(Z_ARRVAL_P(src), idx, key, val) {
|
|
/* constant arrays can't contain references */
|
|
ZVAL_DEREF(val);
|
|
if (key) {
|
|
new_val = zend_hash_add_new(Z_ARRVAL_P(dst), key, val);
|
|
} else {
|
|
new_val = zend_hash_index_add_new(Z_ARRVAL_P(dst), idx, val);
|
|
}
|
|
if (Z_TYPE_P(val) == IS_ARRAY) {
|
|
if (Z_REFCOUNTED_P(val)) {
|
|
copy_constant_array(new_val, val);
|
|
}
|
|
} else {
|
|
Z_TRY_ADDREF_P(val);
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool define(string constant_name, mixed value[, bool case_insensitive])
|
|
Define a new constant */
|
|
ZEND_FUNCTION(define)
|
|
{
|
|
zend_string *name;
|
|
zval *val, val_free;
|
|
zend_bool non_cs = 0;
|
|
int case_sensitive = CONST_CS;
|
|
zend_constant c;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(name)
|
|
Z_PARAM_ZVAL(val)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_BOOL(non_cs)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (non_cs) {
|
|
case_sensitive = 0;
|
|
}
|
|
|
|
if (zend_memnstr(ZSTR_VAL(name), "::", sizeof("::") - 1, ZSTR_VAL(name) + ZSTR_LEN(name))) {
|
|
zend_error(E_WARNING, "Class constants cannot be defined or redefined");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ZVAL_UNDEF(&val_free);
|
|
|
|
repeat:
|
|
switch (Z_TYPE_P(val)) {
|
|
case IS_LONG:
|
|
case IS_DOUBLE:
|
|
case IS_STRING:
|
|
case IS_FALSE:
|
|
case IS_TRUE:
|
|
case IS_NULL:
|
|
case IS_RESOURCE:
|
|
break;
|
|
case IS_ARRAY:
|
|
if (Z_REFCOUNTED_P(val)) {
|
|
if (!validate_constant_array(Z_ARRVAL_P(val))) {
|
|
RETURN_FALSE;
|
|
} else {
|
|
copy_constant_array(&c.value, val);
|
|
goto register_constant;
|
|
}
|
|
}
|
|
break;
|
|
case IS_OBJECT:
|
|
if (Z_TYPE(val_free) == IS_UNDEF) {
|
|
if (Z_OBJ_HT_P(val)->get) {
|
|
zval rv;
|
|
val = Z_OBJ_HT_P(val)->get(val, &rv);
|
|
ZVAL_COPY_VALUE(&val_free, val);
|
|
goto repeat;
|
|
} else if (Z_OBJ_HT_P(val)->cast_object) {
|
|
if (Z_OBJ_HT_P(val)->cast_object(val, &val_free, IS_STRING) == SUCCESS) {
|
|
val = &val_free;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* no break */
|
|
default:
|
|
zend_error(E_WARNING, "Constants may only evaluate to scalar values, arrays or resources");
|
|
zval_ptr_dtor(&val_free);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ZVAL_COPY(&c.value, val);
|
|
zval_ptr_dtor(&val_free);
|
|
|
|
register_constant:
|
|
if (non_cs) {
|
|
zend_error(E_DEPRECATED,
|
|
"define(): Declaration of case-insensitive constants is deprecated");
|
|
}
|
|
|
|
/* non persistent */
|
|
ZEND_CONSTANT_SET_FLAGS(&c, case_sensitive, PHP_USER_CONSTANT);
|
|
c.name = zend_string_copy(name);
|
|
if (zend_register_constant(&c) == SUCCESS) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool defined(string constant_name)
|
|
Check whether a constant exists
|
|
Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
|
|
ZEND_FUNCTION(defined)
|
|
{
|
|
zend_string *name;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 1)
|
|
Z_PARAM_STR(name)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (zend_get_constant_ex(name, zend_get_executed_scope(), ZEND_FETCH_CLASS_SILENT | ZEND_GET_CONSTANT_NO_DEPRECATION_CHECK)) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string get_class([object object])
|
|
Retrieves the class name */
|
|
ZEND_FUNCTION(get_class)
|
|
{
|
|
zval *obj = NULL;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|o", &obj) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (!obj) {
|
|
zend_class_entry *scope = zend_get_executed_scope();
|
|
|
|
if (scope) {
|
|
RETURN_STR_COPY(scope->name);
|
|
} else {
|
|
zend_error(E_WARNING, "get_class() called without object from outside a class");
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
|
|
RETURN_STR_COPY(Z_OBJCE_P(obj)->name);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string get_called_class()
|
|
Retrieves the "Late Static Binding" class name */
|
|
ZEND_FUNCTION(get_called_class)
|
|
{
|
|
zend_class_entry *called_scope;
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
called_scope = zend_get_called_scope(execute_data);
|
|
if (called_scope) {
|
|
RETURN_STR_COPY(called_scope->name);
|
|
} else {
|
|
zend_class_entry *scope = zend_get_executed_scope();
|
|
if (!scope) {
|
|
zend_error(E_WARNING, "get_called_class() called from outside a class");
|
|
}
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed get_parent_class([mixed object])
|
|
Retrieves the parent class name for object or class or current scope or false if not in a scope. */
|
|
ZEND_FUNCTION(get_parent_class)
|
|
{
|
|
zval *arg;
|
|
zend_class_entry *ce = NULL;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|z", &arg) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (!ZEND_NUM_ARGS()) {
|
|
ce = zend_get_executed_scope();
|
|
if (ce && ce->parent) {
|
|
RETURN_STR_COPY(ce->parent->name);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
|
|
if (Z_TYPE_P(arg) == IS_OBJECT) {
|
|
ce = Z_OBJ_P(arg)->ce;
|
|
} else if (Z_TYPE_P(arg) == IS_STRING) {
|
|
ce = zend_lookup_class(Z_STR_P(arg));
|
|
}
|
|
|
|
if (ce && ce->parent) {
|
|
RETURN_STR_COPY(ce->parent->name);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass) /* {{{ */
|
|
{
|
|
zval *obj;
|
|
zend_string *class_name;
|
|
zend_class_entry *instance_ce;
|
|
zend_class_entry *ce;
|
|
zend_bool allow_string = only_subclass;
|
|
zend_bool retval;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_ZVAL(obj)
|
|
Z_PARAM_STR(class_name)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_BOOL(allow_string)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
/*
|
|
* 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) {
|
|
instance_ce = zend_lookup_class(Z_STR_P(obj));
|
|
if (!instance_ce) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else if (Z_TYPE_P(obj) == IS_OBJECT) {
|
|
instance_ce = Z_OBJCE_P(obj);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (!only_subclass && EXPECTED(zend_string_equals(instance_ce->name, class_name))) {
|
|
retval = 1;
|
|
} else {
|
|
ce = zend_lookup_class_ex(class_name, NULL, 0);
|
|
if (!ce) {
|
|
retval = 0;
|
|
} else {
|
|
if (only_subclass && instance_ce == ce) {
|
|
retval = 0;
|
|
} else {
|
|
retval = instanceof_function(instance_ce, ce);
|
|
}
|
|
}
|
|
}
|
|
|
|
RETURN_BOOL(retval);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_subclass_of(mixed object_or_string, string class_name [, bool allow_string])
|
|
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])
|
|
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 *scope, zend_class_entry *ce, int statics, zval *return_value)
|
|
{
|
|
zend_property_info *prop_info;
|
|
zval *prop, prop_copy;
|
|
zend_string *key;
|
|
|
|
ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->properties_info, key, prop_info) {
|
|
if (((prop_info->flags & ZEND_ACC_PROTECTED) &&
|
|
!zend_check_protected(prop_info->ce, scope)) ||
|
|
((prop_info->flags & ZEND_ACC_PRIVATE) &&
|
|
prop_info->ce != scope)) {
|
|
continue;
|
|
}
|
|
prop = NULL;
|
|
if (statics && (prop_info->flags & ZEND_ACC_STATIC) != 0) {
|
|
prop = &ce->default_static_members_table[prop_info->offset];
|
|
ZVAL_DEINDIRECT(prop);
|
|
} else if (!statics && (prop_info->flags & ZEND_ACC_STATIC) == 0) {
|
|
prop = &ce->default_properties_table[OBJ_PROP_TO_NUM(prop_info->offset)];
|
|
}
|
|
if (!prop || Z_TYPE_P(prop) == IS_UNDEF) {
|
|
continue;
|
|
}
|
|
|
|
/* copy: enforce read only access */
|
|
ZVAL_COPY_OR_DUP(&prop_copy, prop);
|
|
prop = &prop_copy;
|
|
|
|
/* this is necessary to make it able to work with default array
|
|
* properties, returned to user */
|
|
if (Z_OPT_TYPE_P(prop) == IS_CONSTANT_AST) {
|
|
if (UNEXPECTED(zval_update_constant_ex(prop, NULL) != SUCCESS)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
zend_hash_add_new(Z_ARRVAL_P(return_value), key, prop);
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_class_vars(string class_name)
|
|
Returns an array of default properties of the class. */
|
|
ZEND_FUNCTION(get_class_vars)
|
|
{
|
|
zend_string *class_name;
|
|
zend_class_entry *ce, *scope;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &class_name) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
ce = zend_lookup_class(class_name);
|
|
if (!ce) {
|
|
RETURN_FALSE;
|
|
} else {
|
|
array_init(return_value);
|
|
if (UNEXPECTED(!(ce->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) {
|
|
if (UNEXPECTED(zend_update_class_constants(ce) != SUCCESS)) {
|
|
return;
|
|
}
|
|
}
|
|
scope = zend_get_executed_scope();
|
|
add_class_vars(scope, ce, 0, return_value);
|
|
add_class_vars(scope, ce, 1, return_value);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_object_vars(object obj)
|
|
Returns an array of object properties */
|
|
ZEND_FUNCTION(get_object_vars)
|
|
{
|
|
zval *obj;
|
|
zval *value;
|
|
HashTable *properties;
|
|
zend_string *key;
|
|
zend_object *zobj;
|
|
zend_ulong num_key;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 1)
|
|
Z_PARAM_OBJECT(obj)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
properties = Z_OBJ_HT_P(obj)->get_properties(obj);
|
|
if (properties == NULL) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
zobj = Z_OBJ_P(obj);
|
|
|
|
if (!zobj->ce->default_properties_count && properties == zobj->properties && !GC_IS_RECURSIVE(properties)) {
|
|
/* fast copy */
|
|
if (EXPECTED(zobj->handlers == &std_object_handlers)) {
|
|
RETURN_ARR(zend_proptable_to_symtable(properties, 0));
|
|
}
|
|
RETURN_ARR(zend_proptable_to_symtable(properties, 1));
|
|
} else {
|
|
array_init_size(return_value, zend_hash_num_elements(properties));
|
|
|
|
ZEND_HASH_FOREACH_KEY_VAL(properties, num_key, key, value) {
|
|
zend_bool is_dynamic = 1;
|
|
if (Z_TYPE_P(value) == IS_INDIRECT) {
|
|
value = Z_INDIRECT_P(value);
|
|
if (UNEXPECTED(Z_ISUNDEF_P(value))) {
|
|
continue;
|
|
}
|
|
|
|
is_dynamic = 0;
|
|
}
|
|
|
|
if (key && zend_check_property_access(zobj, key, is_dynamic) == FAILURE) {
|
|
continue;
|
|
}
|
|
|
|
if (Z_ISREF_P(value) && Z_REFCOUNT_P(value) == 1) {
|
|
value = Z_REFVAL_P(value);
|
|
}
|
|
Z_TRY_ADDREF_P(value);
|
|
|
|
if (UNEXPECTED(!key)) {
|
|
/* This case is only possible due to loopholes, e.g. ArrayObject */
|
|
zend_hash_index_add(Z_ARRVAL_P(return_value), num_key, value);
|
|
} else if (!is_dynamic && ZSTR_VAL(key)[0] == 0) {
|
|
const char *prop_name, *class_name;
|
|
size_t prop_len;
|
|
zend_unmangle_property_name_ex(key, &class_name, &prop_name, &prop_len);
|
|
/* We assume here that a mangled property name is never
|
|
* numeric. This is probably a safe assumption, but
|
|
* theoretically someone might write an extension with
|
|
* private, numeric properties. Well, too bad.
|
|
*/
|
|
zend_hash_str_add_new(Z_ARRVAL_P(return_value), prop_name, prop_len, value);
|
|
} else {
|
|
zend_symtable_add_new(Z_ARRVAL_P(return_value), key, value);
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
static int same_name(zend_string *key, zend_string *name) /* {{{ */
|
|
{
|
|
zend_string *lcname;
|
|
int ret;
|
|
|
|
if (key == name) {
|
|
return 1;
|
|
}
|
|
if (ZSTR_LEN(key) != ZSTR_LEN(name)) {
|
|
return 0;
|
|
}
|
|
lcname = zend_string_tolower(name);
|
|
ret = memcmp(ZSTR_VAL(lcname), ZSTR_VAL(key), ZSTR_LEN(key)) == 0;
|
|
zend_string_release_ex(lcname, 0);
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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;
|
|
zend_class_entry *scope;
|
|
zend_function *mptr;
|
|
zend_string *key;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &klass) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (Z_TYPE_P(klass) == IS_OBJECT) {
|
|
ce = Z_OBJCE_P(klass);
|
|
} else if (Z_TYPE_P(klass) == IS_STRING) {
|
|
ce = zend_lookup_class(Z_STR_P(klass));
|
|
}
|
|
|
|
if (!ce) {
|
|
RETURN_NULL();
|
|
}
|
|
|
|
array_init(return_value);
|
|
scope = zend_get_executed_scope();
|
|
|
|
ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->function_table, key, mptr) {
|
|
|
|
if ((mptr->common.fn_flags & ZEND_ACC_PUBLIC)
|
|
|| (scope &&
|
|
(((mptr->common.fn_flags & ZEND_ACC_PROTECTED) &&
|
|
zend_check_protected(mptr->common.scope, scope))
|
|
|| ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) &&
|
|
scope == mptr->common.scope)))) {
|
|
size_t len = ZSTR_LEN(mptr->common.function_name);
|
|
|
|
/* Do not display old-style inherited constructors */
|
|
if (!key) {
|
|
ZVAL_STR_COPY(&method_name, mptr->common.function_name);
|
|
zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
|
|
} else if (mptr->common.scope->constructor != mptr ||
|
|
mptr->common.scope == ce ||
|
|
zend_binary_strcasecmp(ZSTR_VAL(key), ZSTR_LEN(key), ZSTR_VAL(mptr->common.function_name), len) == 0) {
|
|
|
|
if (mptr->type == ZEND_USER_FUNCTION &&
|
|
(!mptr->op_array.refcount || *mptr->op_array.refcount > 1) &&
|
|
!same_name(key, mptr->common.function_name)) {
|
|
ZVAL_STR_COPY(&method_name, zend_find_alias_name(mptr->common.scope, key));
|
|
zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
|
|
} else {
|
|
ZVAL_STR_COPY(&method_name, mptr->common.function_name);
|
|
zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
|
|
}
|
|
}
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool method_exists(object object, string method)
|
|
Checks if the class method exists */
|
|
ZEND_FUNCTION(method_exists)
|
|
{
|
|
zval *klass;
|
|
zend_string *method_name;
|
|
zend_string *lcname;
|
|
zend_class_entry * ce;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 2)
|
|
Z_PARAM_ZVAL(klass)
|
|
Z_PARAM_STR(method_name)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (Z_TYPE_P(klass) == IS_OBJECT) {
|
|
ce = Z_OBJCE_P(klass);
|
|
} else if (Z_TYPE_P(klass) == IS_STRING) {
|
|
if ((ce = zend_lookup_class(Z_STR_P(klass))) == NULL) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
lcname = zend_string_tolower(method_name);
|
|
if (zend_hash_exists(&ce->function_table, lcname)) {
|
|
zend_string_release_ex(lcname, 0);
|
|
RETURN_TRUE;
|
|
} else if (Z_TYPE_P(klass) == IS_OBJECT) {
|
|
zend_object *obj = Z_OBJ_P(klass);
|
|
zend_function *func = Z_OBJ_HT_P(klass)->get_method(&obj, method_name, NULL);
|
|
if (func != NULL) {
|
|
if (func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) {
|
|
/* Returns true to the fake Closure's __invoke */
|
|
RETVAL_BOOL(func->common.scope == zend_ce_closure
|
|
&& zend_string_equals_literal(method_name, ZEND_INVOKE_FUNC_NAME));
|
|
|
|
zend_string_release_ex(lcname, 0);
|
|
zend_string_release_ex(func->common.function_name, 0);
|
|
zend_free_trampoline(func);
|
|
return;
|
|
}
|
|
zend_string_release_ex(lcname, 0);
|
|
RETURN_TRUE;
|
|
}
|
|
}
|
|
zend_string_release_ex(lcname, 0);
|
|
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;
|
|
zend_string *property;
|
|
zend_class_entry *ce;
|
|
zend_property_info *property_info;
|
|
zval property_z;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zS", &object, &property) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (property == NULL) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (Z_TYPE_P(object) == IS_STRING) {
|
|
ce = zend_lookup_class(Z_STR_P(object));
|
|
if (!ce) {
|
|
RETURN_FALSE;
|
|
}
|
|
} 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();
|
|
}
|
|
|
|
property_info = zend_hash_find_ptr(&ce->properties_info, property);
|
|
if (property_info != NULL
|
|
&& (!(property_info->flags & ZEND_ACC_PRIVATE)
|
|
|| property_info->ce == ce)) {
|
|
RETURN_TRUE;
|
|
}
|
|
|
|
ZVAL_STR(&property_z, property);
|
|
|
|
if (Z_TYPE_P(object) == IS_OBJECT &&
|
|
Z_OBJ_HANDLER_P(object, has_property)(object, &property_z, 2, NULL)) {
|
|
RETURN_TRUE;
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool class_exists(string classname [, bool autoload])
|
|
Checks if the class exists */
|
|
ZEND_FUNCTION(class_exists)
|
|
{
|
|
zend_string *class_name;
|
|
zend_string *lc_name;
|
|
zend_class_entry *ce;
|
|
zend_bool autoload = 1;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 2)
|
|
Z_PARAM_STR(class_name)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_BOOL(autoload)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (!autoload) {
|
|
if (ZSTR_VAL(class_name)[0] == '\\') {
|
|
/* Ignore leading "\" */
|
|
lc_name = zend_string_alloc(ZSTR_LEN(class_name) - 1, 0);
|
|
zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(class_name) + 1, ZSTR_LEN(class_name) - 1);
|
|
} else {
|
|
lc_name = zend_string_tolower(class_name);
|
|
}
|
|
|
|
ce = zend_hash_find_ptr(EG(class_table), lc_name);
|
|
zend_string_release_ex(lc_name, 0);
|
|
} else {
|
|
ce = zend_lookup_class(class_name);
|
|
}
|
|
|
|
if (ce) {
|
|
RETURN_BOOL((ce->ce_flags & (ZEND_ACC_INTERFACE | ZEND_ACC_TRAIT)) == 0);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool interface_exists(string classname [, bool autoload])
|
|
Checks if the class exists */
|
|
ZEND_FUNCTION(interface_exists)
|
|
{
|
|
zend_string *iface_name, *lc_name;
|
|
zend_class_entry *ce;
|
|
zend_bool autoload = 1;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 2)
|
|
Z_PARAM_STR(iface_name)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_BOOL(autoload)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (!autoload) {
|
|
if (ZSTR_VAL(iface_name)[0] == '\\') {
|
|
/* Ignore leading "\" */
|
|
lc_name = zend_string_alloc(ZSTR_LEN(iface_name) - 1, 0);
|
|
zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(iface_name) + 1, ZSTR_LEN(iface_name) - 1);
|
|
} else {
|
|
lc_name = zend_string_tolower(iface_name);
|
|
}
|
|
ce = zend_hash_find_ptr(EG(class_table), lc_name);
|
|
zend_string_release_ex(lc_name, 0);
|
|
RETURN_BOOL(ce && ce->ce_flags & ZEND_ACC_INTERFACE);
|
|
}
|
|
|
|
ce = zend_lookup_class(iface_name);
|
|
if (ce) {
|
|
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)
|
|
{
|
|
zend_string *trait_name, *lc_name;
|
|
zend_class_entry *ce;
|
|
zend_bool autoload = 1;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 2)
|
|
Z_PARAM_STR(trait_name)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_BOOL(autoload)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (!autoload) {
|
|
if (ZSTR_VAL(trait_name)[0] == '\\') {
|
|
/* Ignore leading "\" */
|
|
lc_name = zend_string_alloc(ZSTR_LEN(trait_name) - 1, 0);
|
|
zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(trait_name) + 1, ZSTR_LEN(trait_name) - 1);
|
|
} else {
|
|
lc_name = zend_string_tolower(trait_name);
|
|
}
|
|
|
|
ce = zend_hash_find_ptr(EG(class_table), lc_name);
|
|
zend_string_release_ex(lc_name, 0);
|
|
} else {
|
|
ce = zend_lookup_class(trait_name);
|
|
}
|
|
|
|
if (ce) {
|
|
RETURN_BOOL((ce->ce_flags & ZEND_ACC_TRAIT) != 0);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool function_exists(string function_name)
|
|
Checks if the function exists */
|
|
ZEND_FUNCTION(function_exists)
|
|
{
|
|
zend_string *name;
|
|
zend_function *func;
|
|
zend_string *lcname;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 1)
|
|
Z_PARAM_STR(name)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZSTR_VAL(name)[0] == '\\') {
|
|
/* Ignore leading "\" */
|
|
lcname = zend_string_alloc(ZSTR_LEN(name) - 1, 0);
|
|
zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(name) + 1, ZSTR_LEN(name) - 1);
|
|
} else {
|
|
lcname = zend_string_tolower(name);
|
|
}
|
|
|
|
func = zend_hash_find_ptr(EG(function_table), lcname);
|
|
zend_string_release_ex(lcname, 0);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
RETURN_BOOL(func && (func->type != ZEND_INTERNAL_FUNCTION ||
|
|
func->internal_function.handler != zif_display_disabled_function));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool class_alias(string user_class_name , string alias_name [, bool autoload])
|
|
Creates an alias for user defined class */
|
|
ZEND_FUNCTION(class_alias)
|
|
{
|
|
zend_string *class_name;
|
|
char *alias_name;
|
|
zend_class_entry *ce;
|
|
size_t alias_name_len;
|
|
zend_bool autoload = 1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ss|b", &class_name, &alias_name, &alias_name_len, &autoload) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
ce = zend_lookup_class_ex(class_name, NULL, autoload);
|
|
|
|
if (ce) {
|
|
if (ce->type == ZEND_USER_CLASS) {
|
|
if (zend_register_class_alias_ex(alias_name, alias_name_len, ce, 0) == SUCCESS) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
zend_error(E_WARNING, "Cannot declare %s %s, because the name is already in use", zend_get_object_type(ce), 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", ZSTR_VAL(class_name));
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_included_files(void)
|
|
Returns an array with the file names that were include_once()'d */
|
|
ZEND_FUNCTION(get_included_files)
|
|
{
|
|
zend_string *entry;
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(return_value);
|
|
ZEND_HASH_FOREACH_STR_KEY(&EG(included_files), entry) {
|
|
if (entry) {
|
|
add_next_index_str(return_value, zend_string_copy(entry));
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto void trigger_error(string message [, int error_type])
|
|
Generates a user-level error/warning/notice message */
|
|
ZEND_FUNCTION(trigger_error)
|
|
{
|
|
zend_long error_type = E_USER_NOTICE;
|
|
char *message;
|
|
size_t message_len;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "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(callable 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_long error_type = E_ALL;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|l", &error_handler, &error_type) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (Z_TYPE_P(error_handler) != IS_NULL) { /* NULL == unset */
|
|
if (!zend_is_callable(error_handler, 0, NULL)) {
|
|
zend_string *error_handler_name = zend_get_callable_name(error_handler);
|
|
zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
|
|
get_active_function_name(), error_handler_name?ZSTR_VAL(error_handler_name):"unknown");
|
|
zend_string_release_ex(error_handler_name, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
|
|
ZVAL_COPY(return_value, &EG(user_error_handler));
|
|
|
|
zend_stack_push(&EG(user_error_handlers_error_reporting), &EG(user_error_handler_error_reporting));
|
|
zend_stack_push(&EG(user_error_handlers), &EG(user_error_handler));
|
|
}
|
|
|
|
if (Z_TYPE_P(error_handler) == IS_NULL) { /* unset user-defined handler */
|
|
ZVAL_UNDEF(&EG(user_error_handler));
|
|
return;
|
|
}
|
|
|
|
ZVAL_COPY(&EG(user_error_handler), error_handler);
|
|
EG(user_error_handler_error_reporting) = (int)error_type;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto void restore_error_handler(void)
|
|
Restores the previously defined error handler function */
|
|
ZEND_FUNCTION(restore_error_handler)
|
|
{
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
|
|
zval zeh;
|
|
|
|
ZVAL_COPY_VALUE(&zeh, &EG(user_error_handler));
|
|
ZVAL_UNDEF(&EG(user_error_handler));
|
|
zval_ptr_dtor(&zeh);
|
|
}
|
|
|
|
if (zend_stack_is_empty(&EG(user_error_handlers))) {
|
|
ZVAL_UNDEF(&EG(user_error_handler));
|
|
} else {
|
|
zval *tmp;
|
|
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));
|
|
tmp = zend_stack_top(&EG(user_error_handlers));
|
|
ZVAL_COPY_VALUE(&EG(user_error_handler), tmp);
|
|
zend_stack_del_top(&EG(user_error_handlers));
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed 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;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &exception_handler) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (Z_TYPE_P(exception_handler) != IS_NULL) { /* NULL == unset */
|
|
if (!zend_is_callable(exception_handler, 0, NULL)) {
|
|
zend_string *exception_handler_name = zend_get_callable_name(exception_handler);
|
|
zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
|
|
get_active_function_name(), exception_handler_name?ZSTR_VAL(exception_handler_name):"unknown");
|
|
zend_string_release_ex(exception_handler_name, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
|
|
ZVAL_COPY(return_value, &EG(user_exception_handler));
|
|
|
|
zend_stack_push(&EG(user_exception_handlers), &EG(user_exception_handler));
|
|
}
|
|
|
|
if (Z_TYPE_P(exception_handler) == IS_NULL) { /* unset user-defined handler */
|
|
ZVAL_UNDEF(&EG(user_exception_handler));
|
|
return;
|
|
}
|
|
|
|
ZVAL_COPY(&EG(user_exception_handler), exception_handler);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto void restore_exception_handler(void)
|
|
Restores the previously defined exception handler function */
|
|
ZEND_FUNCTION(restore_exception_handler)
|
|
{
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
|
|
zval_ptr_dtor(&EG(user_exception_handler));
|
|
}
|
|
if (zend_stack_is_empty(&EG(user_exception_handlers))) {
|
|
ZVAL_UNDEF(&EG(user_exception_handler));
|
|
} else {
|
|
zval *tmp = zend_stack_top(&EG(user_exception_handlers));
|
|
ZVAL_COPY_VALUE(&EG(user_exception_handler), tmp);
|
|
zend_stack_del_top(&EG(user_exception_handlers));
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
static int copy_class_or_interface_name(zval *el, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
|
|
{
|
|
zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el);
|
|
zval *array = va_arg(args, zval *);
|
|
uint32_t mask = va_arg(args, uint32_t);
|
|
uint32_t comply = va_arg(args, uint32_t);
|
|
uint32_t comply_mask = (comply)? mask:0;
|
|
|
|
if ((hash_key->key && ZSTR_VAL(hash_key->key)[0] != 0)
|
|
&& (comply_mask == (ce->ce_flags & mask))) {
|
|
if ((ce->refcount > 1 || (ce->ce_flags & ZEND_ACC_IMMUTABLE)) &&
|
|
!same_name(hash_key->key, ce->name)) {
|
|
add_next_index_str(array, zend_string_copy(hash_key->key));
|
|
} else {
|
|
add_next_index_str(array, zend_string_copy(ce->name));
|
|
}
|
|
}
|
|
return ZEND_HASH_APPLY_KEEP;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_declared_traits()
|
|
Returns an array of all declared traits. */
|
|
ZEND_FUNCTION(get_declared_traits)
|
|
{
|
|
uint32_t mask = ZEND_ACC_TRAIT;
|
|
uint32_t comply = 1;
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(return_value);
|
|
zend_hash_apply_with_arguments(EG(class_table), 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)
|
|
{
|
|
uint32_t mask = ZEND_ACC_INTERFACE | ZEND_ACC_TRAIT;
|
|
uint32_t comply = 0;
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(return_value);
|
|
zend_hash_apply_with_arguments(EG(class_table), 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)
|
|
{
|
|
uint32_t mask = ZEND_ACC_INTERFACE;
|
|
uint32_t comply = 1;
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(return_value);
|
|
zend_hash_apply_with_arguments(EG(class_table), copy_class_or_interface_name, 3, return_value, mask, comply);
|
|
}
|
|
/* }}} */
|
|
|
|
static int copy_function_name(zval *zv, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
|
|
{
|
|
zend_function *func = Z_PTR_P(zv);
|
|
zval *internal_ar = va_arg(args, zval *),
|
|
*user_ar = va_arg(args, zval *);
|
|
zend_bool *exclude_disabled = va_arg(args, zend_bool *);
|
|
|
|
if (hash_key->key == NULL || ZSTR_VAL(hash_key->key)[0] == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (func->type == ZEND_INTERNAL_FUNCTION) {
|
|
char *disable_functions = INI_STR("disable_functions");
|
|
|
|
if ((*exclude_disabled == 1) && (disable_functions != NULL)) {
|
|
if (strstr(disable_functions, func->common.function_name->val) == NULL) {
|
|
add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
|
|
}
|
|
} else {
|
|
add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
|
|
}
|
|
} else if (func->type == ZEND_USER_FUNCTION) {
|
|
add_next_index_str(user_ar, zend_string_copy(hash_key->key));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_defined_functions(void)
|
|
Returns an array of all defined functions */
|
|
ZEND_FUNCTION(get_defined_functions)
|
|
{
|
|
zval internal, user;
|
|
zend_bool exclude_disabled = 0;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &exclude_disabled) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(&internal);
|
|
array_init(&user);
|
|
array_init(return_value);
|
|
|
|
zend_hash_apply_with_arguments(EG(function_table), copy_function_name, 3, &internal, &user, &exclude_disabled);
|
|
|
|
zend_hash_str_add_new(Z_ARRVAL_P(return_value), "internal", sizeof("internal")-1, &internal);
|
|
zend_hash_str_add_new(Z_ARRVAL_P(return_value), "user", sizeof("user")-1, &user);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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)
|
|
{
|
|
zend_array *symbol_table;
|
|
if (zend_forbid_dynamic_call("get_defined_vars()") == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
symbol_table = zend_rebuild_symbol_table();
|
|
if (UNEXPECTED(symbol_table == NULL)) {
|
|
return;
|
|
}
|
|
|
|
RETURN_ARR(zend_array_dup(symbol_table));
|
|
}
|
|
/* }}} */
|
|
|
|
#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)
|
|
{
|
|
zend_string *function_name;
|
|
char *eval_code, *function_args, *function_code;
|
|
size_t eval_code_length, function_args_len, function_code_len;
|
|
int retval;
|
|
char *eval_name;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "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");
|
|
retval = zend_eval_stringl(eval_code, eval_code_length, NULL, eval_name);
|
|
efree(eval_code);
|
|
efree(eval_name);
|
|
|
|
if (retval==SUCCESS) {
|
|
zend_op_array *func;
|
|
HashTable *static_variables;
|
|
|
|
func = zend_hash_str_find_ptr(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
|
|
if (!func) {
|
|
zend_error_noreturn(E_CORE_ERROR, "Unexpected inconsistency in create_function()");
|
|
RETURN_FALSE;
|
|
}
|
|
if (func->refcount) {
|
|
(*func->refcount)++;
|
|
}
|
|
static_variables = func->static_variables;
|
|
func->static_variables = NULL;
|
|
zend_hash_str_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
|
|
func->static_variables = static_variables;
|
|
|
|
function_name = zend_string_alloc(sizeof("0lambda_")+MAX_LENGTH_OF_LONG, 0);
|
|
ZSTR_VAL(function_name)[0] = '\0';
|
|
|
|
do {
|
|
ZSTR_LEN(function_name) = snprintf(ZSTR_VAL(function_name) + 1, sizeof("lambda_")+MAX_LENGTH_OF_LONG, "lambda_%d", ++EG(lambda_count)) + 1;
|
|
} while (zend_hash_add_ptr(EG(function_table), function_name, func) == NULL);
|
|
RETURN_NEW_STR(function_name);
|
|
} else {
|
|
zend_hash_str_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
#if ZEND_DEBUG && defined(ZTS)
|
|
ZEND_FUNCTION(zend_thread_id)
|
|
{
|
|
RETURN_LONG((zend_long)tsrm_thread_id());
|
|
}
|
|
#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(), "r", &z_resource_type) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
resource_type = zend_rsrc_list_get_rsrc_type(Z_RES_P(z_resource_type));
|
|
if (resource_type) {
|
|
RETURN_STRING(resource_type);
|
|
} else {
|
|
RETURN_STRING("Unknown");
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_resources([string resouce_type])
|
|
Get an array with all active resources */
|
|
ZEND_FUNCTION(get_resources)
|
|
{
|
|
zend_string *type = NULL;
|
|
zend_string *key;
|
|
zend_ulong index;
|
|
zval *val;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S", &type) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (!type) {
|
|
array_init(return_value);
|
|
ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
|
|
if (!key) {
|
|
Z_ADDREF_P(val);
|
|
zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
} else if (zend_string_equals_literal(type, "Unknown")) {
|
|
array_init(return_value);
|
|
ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
|
|
if (!key && Z_RES_TYPE_P(val) <= 0) {
|
|
Z_ADDREF_P(val);
|
|
zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
} else {
|
|
int id = zend_fetch_list_dtor_id(ZSTR_VAL(type));
|
|
|
|
if (id <= 0) {
|
|
zend_error(E_WARNING, "get_resources(): Unknown resource type '%s'", ZSTR_VAL(type));
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
array_init(return_value);
|
|
ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
|
|
if (!key && Z_RES_TYPE_P(val) == id) {
|
|
Z_ADDREF_P(val);
|
|
zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
static int add_extension_info(zval *item, void *arg) /* {{{ */
|
|
{
|
|
zval *name_array = (zval *)arg;
|
|
zend_module_entry *module = (zend_module_entry*)Z_PTR_P(item);
|
|
add_next_index_string(name_array, module->name);
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
static int add_zendext_info(zend_extension *ext, void *arg) /* {{{ */
|
|
{
|
|
zval *name_array = (zval *)arg;
|
|
add_next_index_string(name_array, ext->name);
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
static int add_constant_info(zval *item, void *arg) /* {{{ */
|
|
{
|
|
zval *name_array = (zval *)arg;
|
|
zend_constant *constant = (zend_constant*)Z_PTR_P(item);
|
|
zval const_val;
|
|
|
|
if (!constant->name) {
|
|
/* skip special constants */
|
|
return 0;
|
|
}
|
|
|
|
ZVAL_COPY_OR_DUP(&const_val, &constant->value);
|
|
zend_hash_add_new(Z_ARRVAL_P(name_array), constant->name, &const_val);
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array get_loaded_extensions([bool zend_extensions])
|
|
Return an array containing names of loaded extensions */
|
|
ZEND_FUNCTION(get_loaded_extensions)
|
|
{
|
|
zend_bool zendext = 0;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|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);
|
|
} else {
|
|
zend_hash_apply_with_argument(&module_registry, add_extension_info, return_value);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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(), "|b", &categorize) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
array_init(return_value);
|
|
|
|
if (categorize) {
|
|
zend_constant *val;
|
|
int module_number;
|
|
zval *modules, const_val;
|
|
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_FOREACH_PTR(&module_registry, module) {
|
|
module_names[module->module_number] = (char *)module->name;
|
|
i++;
|
|
} ZEND_HASH_FOREACH_END();
|
|
module_names[i] = "user";
|
|
|
|
ZEND_HASH_FOREACH_PTR(EG(zend_constants), val) {
|
|
if (!val->name) {
|
|
/* skip special constants */
|
|
continue;
|
|
}
|
|
|
|
if (ZEND_CONSTANT_MODULE_NUMBER(val) == PHP_USER_CONSTANT) {
|
|
module_number = i;
|
|
} else if (ZEND_CONSTANT_MODULE_NUMBER(val) > i) {
|
|
/* should not happen */
|
|
continue;
|
|
} else {
|
|
module_number = ZEND_CONSTANT_MODULE_NUMBER(val);
|
|
}
|
|
|
|
if (Z_TYPE(modules[module_number]) == IS_UNDEF) {
|
|
array_init(&modules[module_number]);
|
|
add_assoc_zval(return_value, module_names[module_number], &modules[module_number]);
|
|
}
|
|
|
|
ZVAL_COPY_OR_DUP(&const_val, &val->value);
|
|
zend_hash_add_new(Z_ARRVAL(modules[module_number]), val->name, &const_val);
|
|
} ZEND_HASH_FOREACH_END();
|
|
|
|
efree(module_names);
|
|
efree(modules);
|
|
} else {
|
|
zend_hash_apply_with_argument(EG(zend_constants), add_constant_info, return_value);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
static void debug_backtrace_get_args(zend_execute_data *call, zval *arg_array) /* {{{ */
|
|
{
|
|
uint32_t num_args = ZEND_CALL_NUM_ARGS(call);
|
|
|
|
if (num_args) {
|
|
uint32_t i = 0;
|
|
zval *p = ZEND_CALL_ARG(call, 1);
|
|
|
|
array_init_size(arg_array, num_args);
|
|
zend_hash_real_init_packed(Z_ARRVAL_P(arg_array));
|
|
ZEND_HASH_FILL_PACKED(Z_ARRVAL_P(arg_array)) {
|
|
if (call->func->type == ZEND_USER_FUNCTION) {
|
|
uint32_t first_extra_arg = MIN(num_args, call->func->op_array.num_args);
|
|
|
|
if (UNEXPECTED(ZEND_CALL_INFO(call) & ZEND_CALL_HAS_SYMBOL_TABLE)) {
|
|
/* In case of attached symbol_table, values on stack may be invalid
|
|
* and we have to access them through symbol_table
|
|
* See: https://bugs.php.net/bug.php?id=73156
|
|
*/
|
|
zend_string *arg_name;
|
|
zval *arg;
|
|
|
|
while (i < first_extra_arg) {
|
|
arg_name = call->func->op_array.vars[i];
|
|
arg = zend_hash_find_ex_ind(call->symbol_table, arg_name, 1);
|
|
if (arg) {
|
|
if (Z_OPT_REFCOUNTED_P(arg)) {
|
|
Z_ADDREF_P(arg);
|
|
}
|
|
ZEND_HASH_FILL_ADD(arg);
|
|
} else {
|
|
ZEND_HASH_FILL_ADD(&EG(uninitialized_zval));
|
|
}
|
|
i++;
|
|
}
|
|
} else {
|
|
while (i < first_extra_arg) {
|
|
if (EXPECTED(Z_TYPE_INFO_P(p) != IS_UNDEF)) {
|
|
if (Z_OPT_REFCOUNTED_P(p)) {
|
|
Z_ADDREF_P(p);
|
|
}
|
|
ZEND_HASH_FILL_ADD(p);
|
|
} else {
|
|
ZEND_HASH_FILL_ADD(&EG(uninitialized_zval));
|
|
}
|
|
p++;
|
|
i++;
|
|
}
|
|
}
|
|
p = ZEND_CALL_VAR_NUM(call, call->func->op_array.last_var + call->func->op_array.T);
|
|
}
|
|
|
|
while (i < num_args) {
|
|
if (EXPECTED(Z_TYPE_INFO_P(p) != IS_UNDEF)) {
|
|
if (Z_OPT_REFCOUNTED_P(p)) {
|
|
Z_ADDREF_P(p);
|
|
}
|
|
ZEND_HASH_FILL_ADD(p);
|
|
} else {
|
|
ZEND_HASH_FILL_ADD(&EG(uninitialized_zval));
|
|
}
|
|
p++;
|
|
i++;
|
|
}
|
|
} ZEND_HASH_FILL_END();
|
|
Z_ARRVAL_P(arg_array)->nNumOfElements = num_args;
|
|
} else {
|
|
ZVAL_EMPTY_ARRAY(arg_array);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
void debug_print_backtrace_args(zval *arg_array) /* {{{ */
|
|
{
|
|
zval *tmp;
|
|
int i = 0;
|
|
|
|
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(arg_array), tmp) {
|
|
if (i++) {
|
|
ZEND_PUTS(", ");
|
|
}
|
|
zend_print_flat_zval_r(tmp);
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto void debug_print_backtrace([int options[, int limit]]) */
|
|
ZEND_FUNCTION(debug_print_backtrace)
|
|
{
|
|
zend_execute_data *call, *ptr, *skip;
|
|
zend_object *object;
|
|
int lineno, frameno = 0;
|
|
zend_function *func;
|
|
const char *function_name;
|
|
const char *filename;
|
|
zend_string *class_name = NULL;
|
|
char *call_type;
|
|
const char *include_filename = NULL;
|
|
zval arg_array;
|
|
int indent = 0;
|
|
zend_long options = 0;
|
|
zend_long limit = 0;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ll", &options, &limit) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
ZVAL_UNDEF(&arg_array);
|
|
ptr = EX(prev_execute_data);
|
|
|
|
/* skip debug_backtrace() */
|
|
call = ptr;
|
|
ptr = ptr->prev_execute_data;
|
|
|
|
while (ptr && (limit == 0 || frameno < limit)) {
|
|
frameno++;
|
|
class_name = NULL;
|
|
call_type = NULL;
|
|
ZVAL_UNDEF(&arg_array);
|
|
|
|
ptr = zend_generator_check_placeholder_frame(ptr);
|
|
|
|
skip = ptr;
|
|
/* skip internal handler */
|
|
if ((!skip->func || !ZEND_USER_CODE(skip->func->common.type)) &&
|
|
skip->prev_execute_data &&
|
|
skip->prev_execute_data->func &&
|
|
ZEND_USER_CODE(skip->prev_execute_data->func->common.type) &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_ICALL &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_UCALL &&
|
|
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->func && ZEND_USER_CODE(skip->func->common.type)) {
|
|
filename = ZSTR_VAL(skip->func->op_array.filename);
|
|
if (skip->opline->opcode == ZEND_HANDLE_EXCEPTION) {
|
|
if (EG(opline_before_exception)) {
|
|
lineno = EG(opline_before_exception)->lineno;
|
|
} else {
|
|
lineno = skip->func->op_array.line_end;
|
|
}
|
|
} else {
|
|
lineno = skip->opline->lineno;
|
|
}
|
|
} else {
|
|
filename = NULL;
|
|
lineno = 0;
|
|
}
|
|
|
|
/* $this may be passed into regular internal functions */
|
|
object = (Z_TYPE(call->This) == IS_OBJECT) ? Z_OBJ(call->This) : NULL;
|
|
|
|
if (call->func) {
|
|
zend_string *zend_function_name;
|
|
|
|
func = call->func;
|
|
if (func->common.scope && func->common.scope->trait_aliases) {
|
|
zend_function_name = zend_resolve_method_name(object ? object->ce : func->common.scope, func);
|
|
} else {
|
|
zend_function_name = func->common.function_name;
|
|
}
|
|
if (zend_function_name != NULL) {
|
|
function_name = ZSTR_VAL(zend_function_name);
|
|
} else {
|
|
function_name = NULL;
|
|
}
|
|
} else {
|
|
func = NULL;
|
|
function_name = NULL;
|
|
}
|
|
|
|
if (function_name) {
|
|
if (object) {
|
|
if (func->common.scope) {
|
|
class_name = func->common.scope->name;
|
|
} else if (object->handlers->get_class_name == zend_std_get_class_name) {
|
|
class_name = object->ce->name;
|
|
} else {
|
|
class_name = object->handlers->get_class_name(object);
|
|
}
|
|
|
|
call_type = "->";
|
|
} else if (func->common.scope) {
|
|
class_name = func->common.scope->name;
|
|
call_type = "::";
|
|
} else {
|
|
class_name = NULL;
|
|
call_type = NULL;
|
|
}
|
|
if (func->type != ZEND_EVAL_CODE) {
|
|
if ((options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0) {
|
|
debug_backtrace_get_args(call, &arg_array);
|
|
}
|
|
}
|
|
} 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->func || !ZEND_USER_CODE(ptr->func->common.type) || 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) {
|
|
array_init(&arg_array);
|
|
add_next_index_string(&arg_array, (char*)include_filename);
|
|
}
|
|
call_type = NULL;
|
|
}
|
|
zend_printf("#%-2d ", indent);
|
|
if (class_name) {
|
|
ZEND_PUTS(ZSTR_VAL(class_name));
|
|
ZEND_PUTS(call_type);
|
|
if (object
|
|
&& !func->common.scope
|
|
&& object->handlers->get_class_name != zend_std_get_class_name) {
|
|
zend_string_release_ex(class_name, 0);
|
|
}
|
|
}
|
|
zend_printf("%s(", function_name);
|
|
if (Z_TYPE(arg_array) != IS_UNDEF) {
|
|
debug_print_backtrace_args(&arg_array);
|
|
zval_ptr_dtor(&arg_array);
|
|
}
|
|
if (filename) {
|
|
zend_printf(") called at [%s:%d]\n", filename, lineno);
|
|
} else {
|
|
zend_execute_data *prev_call = skip;
|
|
zend_execute_data *prev = skip->prev_execute_data;
|
|
|
|
while (prev) {
|
|
if (prev_call &&
|
|
prev_call->func &&
|
|
!ZEND_USER_CODE(prev_call->func->common.type)) {
|
|
prev = NULL;
|
|
break;
|
|
}
|
|
if (prev->func && ZEND_USER_CODE(prev->func->common.type)) {
|
|
zend_printf(") called at [%s:%d]\n", ZSTR_VAL(prev->func->op_array.filename), prev->opline->lineno);
|
|
break;
|
|
}
|
|
prev_call = prev;
|
|
prev = prev->prev_execute_data;
|
|
}
|
|
if (!prev) {
|
|
ZEND_PUTS(")\n");
|
|
}
|
|
}
|
|
include_filename = filename;
|
|
call = skip;
|
|
ptr = skip->prev_execute_data;
|
|
++indent;
|
|
}
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
ZEND_API void zend_fetch_debug_backtrace(zval *return_value, int skip_last, int options, int limit) /* {{{ */
|
|
{
|
|
zend_execute_data *ptr, *skip, *call = NULL;
|
|
zend_object *object;
|
|
int lineno, frameno = 0;
|
|
zend_function *func;
|
|
zend_string *function_name;
|
|
zend_string *filename;
|
|
zend_string *include_filename = NULL;
|
|
zval stack_frame, tmp;
|
|
|
|
array_init(return_value);
|
|
|
|
if (!(ptr = EG(current_execute_data))) {
|
|
return;
|
|
}
|
|
|
|
if (!ptr->func || !ZEND_USER_CODE(ptr->func->common.type)) {
|
|
call = ptr;
|
|
ptr = ptr->prev_execute_data;
|
|
}
|
|
|
|
if (ptr) {
|
|
if (skip_last) {
|
|
/* skip debug_backtrace() */
|
|
call = ptr;
|
|
ptr = ptr->prev_execute_data;
|
|
} else {
|
|
/* skip "new Exception()" */
|
|
if (ptr->func && ZEND_USER_CODE(ptr->func->common.type) && (ptr->opline->opcode == ZEND_NEW)) {
|
|
call = ptr;
|
|
ptr = ptr->prev_execute_data;
|
|
}
|
|
}
|
|
if (!call) {
|
|
call = ptr;
|
|
ptr = ptr->prev_execute_data;
|
|
}
|
|
}
|
|
|
|
while (ptr && (limit == 0 || frameno < limit)) {
|
|
frameno++;
|
|
array_init(&stack_frame);
|
|
|
|
ptr = zend_generator_check_placeholder_frame(ptr);
|
|
|
|
skip = ptr;
|
|
/* skip internal handler */
|
|
if ((!skip->func || !ZEND_USER_CODE(skip->func->common.type)) &&
|
|
skip->prev_execute_data &&
|
|
skip->prev_execute_data->func &&
|
|
ZEND_USER_CODE(skip->prev_execute_data->func->common.type) &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_ICALL &&
|
|
skip->prev_execute_data->opline->opcode != ZEND_DO_UCALL &&
|
|
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->func && ZEND_USER_CODE(skip->func->common.type)) {
|
|
filename = skip->func->op_array.filename;
|
|
if (skip->opline->opcode == ZEND_HANDLE_EXCEPTION) {
|
|
if (EG(opline_before_exception)) {
|
|
lineno = EG(opline_before_exception)->lineno;
|
|
} else {
|
|
lineno = skip->func->op_array.line_end;
|
|
}
|
|
} else {
|
|
lineno = skip->opline->lineno;
|
|
}
|
|
ZVAL_STR_COPY(&tmp, filename);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
|
|
ZVAL_LONG(&tmp, lineno);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
|
|
|
|
/* 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_call = skip;
|
|
zend_execute_data *prev = skip->prev_execute_data;
|
|
|
|
while (prev) {
|
|
if (prev_call &&
|
|
prev_call->func &&
|
|
!ZEND_USER_CODE(prev_call->func->common.type) &&
|
|
!(prev_call->func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
|
|
break;
|
|
}
|
|
if (prev->func && ZEND_USER_CODE(prev->func->common.type)) {
|
|
ZVAL_STR_COPY(&tmp, prev->func->op_array.filename);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
|
|
ZVAL_LONG(&tmp, prev->opline->lineno);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
|
|
break;
|
|
}
|
|
prev_call = prev;
|
|
prev = prev->prev_execute_data;
|
|
}
|
|
filename = NULL;
|
|
}
|
|
|
|
/* $this may be passed into regular internal functions */
|
|
object = (call && (Z_TYPE(call->This) == IS_OBJECT)) ? Z_OBJ(call->This) : NULL;
|
|
|
|
if (call && call->func) {
|
|
func = call->func;
|
|
function_name = (func->common.scope &&
|
|
func->common.scope->trait_aliases) ?
|
|
zend_resolve_method_name(
|
|
(object ? object->ce : func->common.scope), func) :
|
|
func->common.function_name;
|
|
} else {
|
|
func = NULL;
|
|
function_name = NULL;
|
|
}
|
|
|
|
if (function_name) {
|
|
ZVAL_STR_COPY(&tmp, function_name);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_FUNCTION), &tmp);
|
|
|
|
if (object) {
|
|
if (func->common.scope) {
|
|
ZVAL_STR_COPY(&tmp, func->common.scope->name);
|
|
} else if (object->handlers->get_class_name == zend_std_get_class_name) {
|
|
ZVAL_STR_COPY(&tmp, object->ce->name);
|
|
} else {
|
|
ZVAL_STR(&tmp, object->handlers->get_class_name(object));
|
|
}
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_CLASS), &tmp);
|
|
if ((options & DEBUG_BACKTRACE_PROVIDE_OBJECT) != 0) {
|
|
ZVAL_OBJ(&tmp, object);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_OBJECT), &tmp);
|
|
Z_ADDREF(tmp);
|
|
}
|
|
|
|
ZVAL_INTERNED_STR(&tmp, ZSTR_KNOWN(ZEND_STR_OBJECT_OPERATOR));
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_TYPE), &tmp);
|
|
} else if (func->common.scope) {
|
|
ZVAL_STR_COPY(&tmp, func->common.scope->name);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_CLASS), &tmp);
|
|
ZVAL_INTERNED_STR(&tmp, ZSTR_KNOWN(ZEND_STR_PAAMAYIM_NEKUDOTAYIM));
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_TYPE), &tmp);
|
|
}
|
|
|
|
if ((options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0 &&
|
|
func->type != ZEND_EVAL_CODE) {
|
|
|
|
debug_backtrace_get_args(call, &tmp);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_ARGS), &tmp);
|
|
}
|
|
} 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;
|
|
zend_string *pseudo_function_name;
|
|
|
|
if (!ptr->func || !ZEND_USER_CODE(ptr->func->common.type) || ptr->opline->opcode != ZEND_INCLUDE_OR_EVAL) {
|
|
/* can happen when calling eval from a custom sapi */
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_UNKNOWN);
|
|
build_filename_arg = 0;
|
|
} else
|
|
switch (ptr->opline->extended_value) {
|
|
case ZEND_EVAL:
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_EVAL);
|
|
build_filename_arg = 0;
|
|
break;
|
|
case ZEND_INCLUDE:
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_INCLUDE);
|
|
break;
|
|
case ZEND_REQUIRE:
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_REQUIRE);
|
|
break;
|
|
case ZEND_INCLUDE_ONCE:
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_INCLUDE_ONCE);
|
|
break;
|
|
case ZEND_REQUIRE_ONCE:
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_REQUIRE_ONCE);
|
|
break;
|
|
default:
|
|
/* this can actually happen if you use debug_backtrace() in your error_handler and
|
|
* you're in the top-scope */
|
|
pseudo_function_name = ZSTR_KNOWN(ZEND_STR_UNKNOWN);
|
|
build_filename_arg = 0;
|
|
break;
|
|
}
|
|
|
|
if (build_filename_arg && include_filename) {
|
|
zval arg_array;
|
|
|
|
array_init(&arg_array);
|
|
|
|
/* include_filename always points to the last filename of the last last called-function.
|
|
if we have called include in the frame above - this is the file we have included.
|
|
*/
|
|
|
|
ZVAL_STR_COPY(&tmp, include_filename);
|
|
zend_hash_next_index_insert_new(Z_ARRVAL(arg_array), &tmp);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_ARGS), &arg_array);
|
|
}
|
|
|
|
ZVAL_INTERNED_STR(&tmp, pseudo_function_name);
|
|
zend_hash_add_new(Z_ARRVAL(stack_frame), ZSTR_KNOWN(ZEND_STR_FUNCTION), &tmp);
|
|
}
|
|
|
|
zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &stack_frame);
|
|
|
|
include_filename = filename;
|
|
|
|
call = skip;
|
|
ptr = skip->prev_execute_data;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array debug_backtrace([int options[, int limit]])
|
|
Return backtrace as array */
|
|
ZEND_FUNCTION(debug_backtrace)
|
|
{
|
|
zend_long options = DEBUG_BACKTRACE_PROVIDE_OBJECT;
|
|
zend_long limit = 0;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ll", &options, &limit) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
zend_fetch_debug_backtrace(return_value, 1, options, limit);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool extension_loaded(string extension_name)
|
|
Returns true if the named extension is loaded */
|
|
ZEND_FUNCTION(extension_loaded)
|
|
{
|
|
zend_string *extension_name;
|
|
zend_string *lcname;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &extension_name) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
lcname = zend_string_tolower(extension_name);
|
|
if (zend_hash_exists(&module_registry, lcname)) {
|
|
RETVAL_TRUE;
|
|
} else {
|
|
RETVAL_FALSE;
|
|
}
|
|
zend_string_release_ex(lcname, 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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)
|
|
{
|
|
zend_string *extension_name;
|
|
zend_string *lcname;
|
|
int array;
|
|
zend_module_entry *module;
|
|
zend_function *zif;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &extension_name) == FAILURE) {
|
|
return;
|
|
}
|
|
if (strncasecmp(ZSTR_VAL(extension_name), "zend", sizeof("zend"))) {
|
|
lcname = zend_string_tolower(extension_name);
|
|
module = zend_hash_find_ptr(&module_registry, lcname);
|
|
zend_string_release_ex(lcname, 0);
|
|
} else {
|
|
module = zend_hash_str_find_ptr(&module_registry, "core", sizeof("core") - 1);
|
|
}
|
|
|
|
if (!module) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (module->functions) {
|
|
/* avoid BC break, if functions list is empty, will return an empty array */
|
|
array_init(return_value);
|
|
array = 1;
|
|
} else {
|
|
array = 0;
|
|
}
|
|
|
|
ZEND_HASH_FOREACH_PTR(CG(function_table), zif) {
|
|
if (zif->common.type == ZEND_INTERNAL_FUNCTION
|
|
&& zif->internal_function.module == module) {
|
|
if (!array) {
|
|
array_init(return_value);
|
|
array = 1;
|
|
}
|
|
add_next_index_str(return_value, zend_string_copy(zif->common.function_name));
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
|
|
if (!array) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|