Imported Upstream version 5.0.4upstream/5.0.4

1 files changed, 1903 insertions, 0 deletions

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
new file mode 100644
index 000000000..a2f010fca
--- /dev/null
+++ b/Zend/zend_builtin_functions.c
@@ -0,0 +1,1903 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.00 of the Zend license,     |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.zend.com/license/2_00.txt.                                |
+   | If you did not receive a copy of the Zend license and are unable to  |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@zend.com so we can mail you a copy immediately.              |
+   +----------------------------------------------------------------------+
+   | Authors: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   +----------------------------------------------------------------------+
+*/
+
+/* $Id: zend_builtin_functions.c,v 1.239.2.18 2005/03/14 09:13:14 stas Exp $ */
+
+#include "zend.h"
+#include "zend_API.h"
+#include "zend_builtin_functions.h"
+#include "zend_constants.h"
+#include "zend_ini.h"
+
+#undef ZEND_TEST_EXCEPTIONS
+
+static ZEND_FUNCTION(zend_version);
+static ZEND_FUNCTION(func_num_args);
+static ZEND_FUNCTION(func_get_arg);
+static ZEND_FUNCTION(func_get_args);
+static ZEND_NAMED_FUNCTION(zend_if_strlen);
+static ZEND_FUNCTION(strcmp);
+static ZEND_FUNCTION(strncmp);
+static ZEND_FUNCTION(strcasecmp);
+static ZEND_FUNCTION(strncasecmp);
+static ZEND_FUNCTION(each);
+static ZEND_FUNCTION(error_reporting);
+static ZEND_FUNCTION(define);
+static ZEND_FUNCTION(defined);
+static ZEND_FUNCTION(get_class);
+static ZEND_FUNCTION(get_parent_class);
+static ZEND_FUNCTION(method_exists);
+static ZEND_FUNCTION(class_exists);
+static ZEND_FUNCTION(interface_exists);
+static ZEND_FUNCTION(function_exists);
+#if ZEND_DEBUG
+static ZEND_FUNCTION(leak);
+#ifdef ZEND_TEST_EXCEPTIONS
+static ZEND_FUNCTION(crash);
+#endif
+#endif
+static ZEND_FUNCTION(get_included_files);
+static ZEND_FUNCTION(is_subclass_of);
+static ZEND_FUNCTION(is_a);
+static ZEND_FUNCTION(get_class_vars);
+static ZEND_FUNCTION(get_object_vars);
+static ZEND_FUNCTION(get_class_methods);
+static ZEND_FUNCTION(trigger_error);
+static ZEND_FUNCTION(set_error_handler);
+static ZEND_FUNCTION(restore_error_handler);
+static ZEND_FUNCTION(set_exception_handler);
+static ZEND_FUNCTION(restore_exception_handler);
+static ZEND_FUNCTION(get_declared_classes);
+static ZEND_FUNCTION(get_declared_interfaces);
+static ZEND_FUNCTION(get_defined_functions);
+static ZEND_FUNCTION(get_defined_vars);
+static ZEND_FUNCTION(create_function);
+static ZEND_FUNCTION(get_resource_type);
+static ZEND_FUNCTION(get_loaded_extensions);
+static ZEND_FUNCTION(extension_loaded);
+static ZEND_FUNCTION(get_extension_funcs);
+static ZEND_FUNCTION(get_defined_constants);
+static ZEND_FUNCTION(debug_backtrace);
+static ZEND_FUNCTION(debug_print_backtrace);
+#if ZEND_DEBUG
+static ZEND_FUNCTION(zend_test_func);
+#ifdef ZTS
+static ZEND_FUNCTION(zend_thread_id);
+#endif
+#endif
+
+#include "zend_arg_defs.c"
+
+
+static zend_function_entry builtin_functions[] = {
+	ZEND_FE(zend_version,		NULL)
+	ZEND_FE(func_num_args,		NULL)
+	ZEND_FE(func_get_arg,		NULL)
+	ZEND_FE(func_get_args,		NULL)
+	{ "strlen", zend_if_strlen, NULL },
+	ZEND_FE(strcmp,				NULL)
+	ZEND_FE(strncmp,			NULL)
+	ZEND_FE(strcasecmp,			NULL)
+	ZEND_FE(strncasecmp,		NULL)
+	ZEND_FE(each,				first_arg_force_ref)
+	ZEND_FE(error_reporting,	NULL)
+	ZEND_FE(define,				NULL)
+	ZEND_FE(defined,			NULL)
+	ZEND_FE(get_class,			NULL)
+	ZEND_FE(get_parent_class,	NULL)
+	ZEND_FE(method_exists,		NULL)
+	ZEND_FE(class_exists,		NULL)
+	ZEND_FE(interface_exists,	NULL)
+	ZEND_FE(function_exists,	NULL)
+#if ZEND_DEBUG
+	ZEND_FE(leak,				NULL)
+#ifdef ZEND_TEST_EXCEPTIONS
+	ZEND_FE(crash,				NULL)
+#endif
+#endif
+	ZEND_FE(get_included_files,	NULL)
+	ZEND_FALIAS(get_required_files,	get_included_files,		NULL)
+	ZEND_FE(is_subclass_of,		NULL)
+	ZEND_FE(is_a,				NULL)
+	ZEND_FE(get_class_vars,		NULL)
+	ZEND_FE(get_object_vars,	NULL)
+	ZEND_FE(get_class_methods,	NULL)
+	ZEND_FE(trigger_error,		NULL)
+	ZEND_FALIAS(user_error,		trigger_error,		NULL)
+	ZEND_FE(set_error_handler,		NULL)
+	ZEND_FE(restore_error_handler,	NULL)
+	ZEND_FE(set_exception_handler,		NULL)
+	ZEND_FE(restore_exception_handler,	NULL)
+	ZEND_FE(get_declared_classes, NULL)
+	ZEND_FE(get_declared_interfaces, NULL)
+	ZEND_FE(get_defined_functions, NULL)
+	ZEND_FE(get_defined_vars,	NULL)
+	ZEND_FE(create_function,	NULL)
+	ZEND_FE(get_resource_type,	NULL)
+	ZEND_FE(get_loaded_extensions,		NULL)
+	ZEND_FE(extension_loaded,			NULL)
+	ZEND_FE(get_extension_funcs,		NULL)
+	ZEND_FE(get_defined_constants,		NULL)
+	ZEND_FE(debug_backtrace, NULL)
+	ZEND_FE(debug_print_backtrace, NULL)
+#if ZEND_DEBUG
+	ZEND_FE(zend_test_func,		NULL)
+#ifdef ZTS
+	ZEND_FE(zend_thread_id,		NULL)
+#endif
+#endif
+	{ NULL, NULL, NULL }
+};
+
+
+int zend_startup_builtin_functions(TSRMLS_D)
+{
+	return zend_register_functions(NULL, builtin_functions, NULL, MODULE_PERSISTENT TSRMLS_CC);
+}
+
+
+/* {{{ proto string zend_version(void)
+   Get the version of the Zend Engine */
+ZEND_FUNCTION(zend_version)
+{
+	RETURN_STRINGL(ZEND_VERSION, sizeof(ZEND_VERSION)-1, 1);
+}
+/* }}} */
+
+
+/* {{{ proto int func_num_args(void)
+   Get the number of arguments that were passed to the function */
+ZEND_FUNCTION(func_num_args)
+{
+	void **p;
+	int arg_count;
+
+	p = EG(argument_stack).top_element-1-1;
+	arg_count = (ulong) *p;		/* this is the amount of arguments passed to func_num_args(); */
+	p -= 1+arg_count;
+	if (*p) {
+		zend_error(E_ERROR, "func_num_args(): Can't be used as a function parameter");
+	}
+	--p;
+	if (p>=EG(argument_stack).elements) {
+		RETURN_LONG((ulong) *p);
+	} else {
+		zend_error(E_WARNING, "func_num_args():  Called from the global scope - no function context");
+		RETURN_LONG(-1);
+	}
+}
+/* }}} */
+
+
+/* {{{ proto mixed func_get_arg(int arg_num)
+   Get the $arg_num'th argument that was passed to the function */
+ZEND_FUNCTION(func_get_arg)
+{
+	void **p;
+	int arg_count;
+	zval **z_requested_offset;
+	zval *arg;
+	long requested_offset;
+
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &z_requested_offset)==FAILURE) {
+		RETURN_FALSE;
+	}
+	convert_to_long_ex(z_requested_offset);
+	requested_offset = (*z_requested_offset)->value.lval;
+
+	if (requested_offset < 0) {
+		zend_error(E_WARNING, "func_get_arg():  The argument number should be >= 0");
+		RETURN_FALSE;
+	}
+
+	p = EG(argument_stack).top_element-1-1;
+	arg_count = (ulong) *p;		/* this is the amount of arguments passed to func_get_arg(); */
+	p -= 1+arg_count;
+	if (*p) {
+		zend_error(E_ERROR, "func_get_arg(): Can't be used as a function parameter");
+	}
+	--p;
+	if (p<EG(argument_stack).elements) {
+		zend_error(E_WARNING, "func_get_arg():  Called from the global scope - no function context");
+		RETURN_FALSE;
+	}
+	arg_count = (ulong) *p;
+
+	if (requested_offset>=arg_count) {
+		zend_error(E_WARNING, "func_get_arg():  Argument %ld not passed to function", requested_offset);
+		RETURN_FALSE;
+	}
+
+	arg = *(p-(arg_count-requested_offset));
+	*return_value = *arg;
+	zval_copy_ctor(return_value);
+}
+/* }}} */
+
+
+/* {{{ proto array func_get_args()
+   Get an array of the arguments that were passed to the function */
+ZEND_FUNCTION(func_get_args)
+{
+	void **p;
+	int arg_count;
+	int i;
+
+	p = EG(argument_stack).top_element-1-1;
+	arg_count = (ulong) *p;		/* this is the amount of arguments passed to func_get_args(); */
+	p -= 1+arg_count;
+	if (*p) {
+		zend_error(E_ERROR, "func_get_args(): Can't be used as a function parameter");
+	}
+	--p;
+
+	if (p<EG(argument_stack).elements) {
+		zend_error(E_WARNING, "func_get_args():  Called from the global scope - no function context");
+		RETURN_FALSE;
+	}
+	arg_count = (ulong) *p;
+
+
+	array_init(return_value);
+	for (i=0; i<arg_count; i++) {
+		zval *element;
+
+		ALLOC_ZVAL(element);
+		*element = **((zval **) (p-(arg_count-i)));
+		zval_copy_ctor(element);
+		INIT_PZVAL(element);
+		zend_hash_next_index_insert(return_value->value.ht, &element, sizeof(zval *), NULL);
+	}
+}
+/* }}} */
+
+
+/* {{{ proto int strlen(string str)
+   Get string length */
+ZEND_NAMED_FUNCTION(zend_if_strlen)
+{
+	zval **str;
+	
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &str) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(str);
+	RETVAL_LONG((*str)->value.str.len);
+}
+/* }}} */
+
+
+/* {{{ proto int strcmp(string str1, string str2)
+   Binary safe string comparison */
+ZEND_FUNCTION(strcmp)
+{
+	zval **s1, **s2;
+	
+	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &s1, &s2) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(s1);
+	convert_to_string_ex(s2);
+	RETURN_LONG(zend_binary_zval_strcmp(*s1, *s2));
+}
+/* }}} */
+
+
+/* {{{ proto int strncmp(string str1, string str2, int len)
+   Binary safe string comparison */
+ZEND_FUNCTION(strncmp)
+{
+	zval **s1, **s2, **s3;
+	
+	if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &s1, &s2, &s3) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(s1);
+	convert_to_string_ex(s2);
+	convert_to_long_ex(s3);
+	RETURN_LONG(zend_binary_zval_strncmp(*s1, *s2, *s3));
+}
+/* }}} */
+
+
+/* {{{ proto int strcasecmp(string str1, string str2)
+   Binary safe case-insensitive string comparison */
+ZEND_FUNCTION(strcasecmp)
+{
+	zval **s1, **s2;
+	
+	if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &s1, &s2) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(s1);
+	convert_to_string_ex(s2);
+	RETURN_LONG(zend_binary_zval_strcasecmp(*s1, *s2));
+}
+/* }}} */
+
+
+/* {{{ proto int strncasecmp(string str1, string str2, int len)
+   Binary safe string comparison */
+ZEND_FUNCTION(strncasecmp)
+{
+	zval **s1, **s2, **s3;
+	
+	if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &s1, &s2, &s3) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(s1);
+	convert_to_string_ex(s2);
+	convert_to_long_ex(s3);
+	RETURN_LONG(zend_binary_zval_strncasecmp(*s1, *s2, *s3));
+}
+/* }}} */
+
+
+/* {{{ proto array each(array arr)
+   Return the currently pointed key..value pair in the passed array, and advance the pointer to the next element */
+ZEND_FUNCTION(each)
+{
+	zval **array, *entry, **entry_ptr, *tmp;
+	char *string_key;
+	uint string_key_len;
+	ulong num_key;
+	zval **inserted_pointer;
+	HashTable *target_hash;
+	
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &array) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	target_hash = HASH_OF(*array);
+	if (!target_hash) {
+		zend_error(E_WARNING,"Variable passed to each() is not an array or object");
+		return;
+	}
+	if (zend_hash_get_current_data(target_hash, (void **) &entry_ptr)==FAILURE) {
+		RETURN_FALSE;
+	}
+	array_init(return_value);
+	entry = *entry_ptr;
+
+	/* add value elements */
+	if (entry->is_ref) {
+		ALLOC_ZVAL(tmp);
+		*tmp = *entry;
+		zval_copy_ctor(tmp);
+		tmp->is_ref=0;
+		tmp->refcount=0;
+		entry=tmp;
+	}
+	zend_hash_index_update(return_value->value.ht, 1, &entry, sizeof(zval *), NULL);
+	entry->refcount++;
+	zend_hash_update(return_value->value.ht, "value", sizeof("value"), &entry, sizeof(zval *), NULL);
+	entry->refcount++;
+
+	/* add the key elements */
+	switch (zend_hash_get_current_key_ex(target_hash, &string_key, &string_key_len, &num_key, 1, NULL)) {
+		case HASH_KEY_IS_STRING:
+			add_get_index_stringl(return_value, 0, string_key, string_key_len-1, (void **) &inserted_pointer, 0);
+			break;
+		case HASH_KEY_IS_LONG:
+			add_get_index_long(return_value, 0, num_key, (void **) &inserted_pointer);
+			break;
+	}
+	zend_hash_update(return_value->value.ht, "key", sizeof("key"), inserted_pointer, sizeof(zval *), NULL);
+	(*inserted_pointer)->refcount++;
+	zend_hash_move_forward(target_hash);
+}
+/* }}} */
+
+
+/* {{{ proto int error_reporting(int new_error_level=null)
+   Return the current error_reporting level, and if an argument was passed - change to the new level */
+ZEND_FUNCTION(error_reporting)
+{
+	zval **arg;
+	int old_error_reporting;
+
+	old_error_reporting = EG(error_reporting);
+	switch (ZEND_NUM_ARGS()) {
+		case 0:
+			break;
+		case 1:
+			if (zend_get_parameters_ex(1, &arg) == FAILURE) {
+				RETURN_FALSE;
+			}
+			convert_to_string_ex(arg);
+			zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
+			break;
+		default:
+			ZEND_WRONG_PARAM_COUNT();
+			break;
+	}
+
+	RETVAL_LONG(old_error_reporting);
+}
+/* }}} */
+
+
+/* {{{ proto bool define(string constant_name, mixed value, boolean case_sensitive=true)
+   Define a new constant */
+ZEND_FUNCTION(define)
+{
+	zval **var, **val, **non_cs;
+	int case_sensitive;
+	zend_constant c;
+	
+	switch (ZEND_NUM_ARGS()) {
+		case 2:
+			if (zend_get_parameters_ex(2, &var, &val)==FAILURE) {
+				RETURN_FALSE;
+			}
+			case_sensitive = CONST_CS;
+			break;
+		case 3:
+			if (zend_get_parameters_ex(3, &var, &val, &non_cs)==FAILURE) {
+				RETURN_FALSE;
+			}
+			convert_to_long_ex(non_cs);
+			if ((*non_cs)->value.lval) {
+				case_sensitive = 0;
+			} else {
+				case_sensitive = CONST_CS;
+			}
+			break;
+		default:
+			ZEND_WRONG_PARAM_COUNT();
+			break;
+	}
+
+	switch ((*val)->type) {
+		case IS_LONG:
+		case IS_DOUBLE:
+		case IS_STRING:
+		case IS_BOOL:
+		case IS_RESOURCE:
+		case IS_NULL:
+			break;
+		default:
+			zend_error(E_WARNING,"Constants may only evaluate to scalar values");
+			RETURN_FALSE;
+			break;
+	}
+	convert_to_string_ex(var);
+	
+	c.value = **val;
+	zval_copy_ctor(&c.value);
+	c.flags = case_sensitive; /* non persistent */
+	c.name = zend_strndup((*var)->value.str.val, (*var)->value.str.len);
+	c.name_len = (*var)->value.str.len+1;
+	c.module_number = PHP_USER_CONSTANT;
+	if (zend_register_constant(&c TSRMLS_CC) == SUCCESS) {
+		RETURN_TRUE;
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+/* {{{ proto bool defined(string constant_name)
+   Check whether a constant exists */
+ZEND_FUNCTION(defined)
+{
+	zval **var;
+	zval c;
+		
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &var)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	
+	convert_to_string_ex(var);
+	if (zend_get_constant((*var)->value.str.val, (*var)->value.str.len, &c TSRMLS_CC)) {
+		zval_dtor(&c);
+		RETURN_TRUE;
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+/* {{{ proto string get_class([object object])
+   Retrieves the class name */
+ZEND_FUNCTION(get_class)
+{
+	zval **arg;
+	char *name = "";
+	zend_uint name_len = 0;
+	
+	if (!ZEND_NUM_ARGS()) {
+		if (EG(scope)) {
+			RETURN_STRINGL(EG(scope)->name, EG(scope)->name_length, 1);
+		} else {
+			zend_error(E_ERROR, "get_class() called without object from outside a class");
+		}
+	}
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &arg)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	if (Z_TYPE_PP(arg) != IS_OBJECT) {
+		RETURN_FALSE;
+	}
+
+	if (Z_OBJ_HT_PP(arg)->get_class_name == NULL ||
+		Z_OBJ_HT_PP(arg)->get_class_name(*arg, &name, &name_len, 0 TSRMLS_CC) != SUCCESS) {
+		zend_class_entry *ce;
+
+		ce = zend_get_class_entry(*arg TSRMLS_CC);
+		if (!ce) {
+			RETURN_FALSE;
+		}
+
+		RETURN_STRINGL(ce->name, ce->name_length, 1);
+	} 
+
+	RETURN_STRINGL(name, name_len, 0);
+}
+/* }}} */
+
+
+/* {{{ proto string get_parent_class(mixed object)
+   Retrieves the parent class name for object or class. */
+ZEND_FUNCTION(get_parent_class)
+{
+	zval **arg;
+	zend_class_entry *ce = NULL;
+	char *name;
+	zend_uint name_length;
+	
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &arg)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if (Z_TYPE_PP(arg) == IS_OBJECT) {
+		if (Z_OBJ_HT_PP(arg)->get_class_name
+			&& Z_OBJ_HT_PP(arg)->get_class_name(*arg, &name, &name_length, 1 TSRMLS_CC) == SUCCESS) {
+			RETURN_STRINGL(name, name_length, 0);
+		} else {
+			ce = zend_get_class_entry(*arg TSRMLS_CC);
+		}
+	} else if (Z_TYPE_PP(arg) == IS_STRING) {
+		zend_class_entry **pce;
+		
+		if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &pce TSRMLS_CC) == SUCCESS) {
+			ce = *pce;
+		}
+	}
+
+	if (ce && ce->parent) {
+		RETURN_STRINGL(ce->parent->name, ce->parent->name_length, 1);
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
+{
+	zval **obj, **class_name;
+	zend_class_entry *instance_ce;
+	zend_class_entry **ce;
+	zend_bool retval;
+
+	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &obj, &class_name)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if (only_subclass && Z_TYPE_PP(obj) == IS_STRING) {
+		zend_class_entry **the_ce;
+		if (zend_lookup_class(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj), &the_ce TSRMLS_CC) == FAILURE) {
+			zend_error(E_WARNING, "Unknown class passed as parameter");
+			RETURN_FALSE;
+		}
+		instance_ce = *the_ce;		
+	} else if (Z_TYPE_PP(obj) != IS_OBJECT) {
+		RETURN_FALSE;
+	} else {
+		instance_ce = NULL;
+	}
+	
+	/* TBI!! new object handlers */
+	if (Z_TYPE_PP(obj) == IS_OBJECT && !HAS_CLASS_ENTRY(**obj)) {
+		RETURN_FALSE;
+	}
+
+	convert_to_string_ex(class_name);
+
+	if (zend_lookup_class(Z_STRVAL_PP(class_name), Z_STRLEN_PP(class_name), &ce TSRMLS_CC) == FAILURE) {
+		retval = 0;
+	} else {
+		if (only_subclass) {
+			if (!instance_ce) {
+				instance_ce = Z_OBJCE_PP(obj)->parent;
+			} else {
+				instance_ce = instance_ce->parent;
+			}
+		} else {
+			instance_ce = Z_OBJCE_PP(obj);
+		}
+
+		if (!instance_ce) {
+			RETURN_FALSE;
+ 		}
+
+		if (instanceof_function(instance_ce, *ce TSRMLS_CC)) {
+			retval = 1;
+		} else {
+			retval = 0;
+		}
+	}
+
+	RETURN_BOOL(retval);
+}
+
+
+/* {{{ proto bool is_subclass_of(object object, string class_name)
+   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(object object, string class_name)
+   Returns true if the object is of this class or has this class as one of its parents */
+ZEND_FUNCTION(is_a)
+{
+	zend_error(E_STRICT, "is_a(): Deprecated. Please use the instanceof operator");
+	is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
+}
+/* }}} */
+
+
+/* {{{ add_class_vars */
+static void add_class_vars(zend_class_entry *ce, HashTable *properties, zval *return_value TSRMLS_DC)
+{
+	int instanceof = EG(scope) && instanceof_function(EG(scope), ce TSRMLS_CC);
+
+	if (zend_hash_num_elements(properties) > 0) {
+		HashPosition pos;
+		zval **prop;
+	
+		zend_hash_internal_pointer_reset_ex(properties, &pos);
+		while (zend_hash_get_current_data_ex(properties, (void **) &prop, &pos) == SUCCESS) {
+			char *key, *class_name, *prop_name;
+			uint key_len;
+			ulong num_index;
+			zval *prop_copy;
+	
+			zend_hash_get_current_key_ex(properties, &key, &key_len, &num_index, 0, &pos);
+			zend_hash_move_forward_ex(properties, &pos);
+			zend_unmangle_property_name(key, &class_name, &prop_name);
+			if (class_name) {
+				if (class_name[0] != '*' && strcmp(class_name, ce->name)) {
+					/* filter privates from base classes */
+					continue;
+				} else if (!instanceof) {
+					/* filter protected if not inside class */
+					continue;
+				}
+			}
+
+			/* copy: enforce read only access */
+			ALLOC_ZVAL(prop_copy);
+			*prop_copy = **prop;
+			zval_copy_ctor(prop_copy);
+			INIT_PZVAL(prop_copy);
+
+			/* this is necessary to make it able to work with default array 
+			* properties, returned to user */
+			if (Z_TYPE_P(prop_copy) == IS_CONSTANT_ARRAY || Z_TYPE_P(prop_copy) == IS_CONSTANT) {
+				zval_update_constant(&prop_copy, 0 TSRMLS_CC);
+			}
+                           
+			add_assoc_zval(return_value, prop_name, prop_copy);
+		}
+	}
+}
+/* }}} */
+
+
+/* {{{ proto array get_class_vars(string class_name)
+   Returns an array of default properties of the class. */
+ZEND_FUNCTION(get_class_vars)
+{
+	char *class_name;
+	int class_name_len;
+	zend_class_entry **pce;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &class_name, &class_name_len) == FAILURE) {
+		return;
+	}
+
+	if (zend_lookup_class(class_name, class_name_len, &pce TSRMLS_CC) == FAILURE) {
+		RETURN_FALSE;
+	} else {
+		array_init(return_value);
+		add_class_vars(*pce, &(*pce)->default_properties, return_value TSRMLS_CC);
+		add_class_vars(*pce, (*pce)->static_members, return_value TSRMLS_CC);
+	}
+}
+/* }}} */
+
+
+/* {{{ proto array get_object_vars(object obj)
+   Returns an array of object properties */
+ZEND_FUNCTION(get_object_vars)
+{
+	zval **obj;
+	zval **value;
+	HashTable *properties;
+	HashPosition pos;
+	char *key, *prop_name, *class_name;
+	uint key_len;
+	ulong num_index;
+	int instanceof;
+
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &obj) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if ((*obj)->type != IS_OBJECT) {
+		RETURN_FALSE;
+	}
+	if (Z_OBJ_HT_PP(obj)->get_properties == NULL) {
+		RETURN_FALSE;
+	}
+
+	instanceof = EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), Z_OBJCE_PP(obj) TSRMLS_CC);
+
+	array_init(return_value);
+
+	properties = Z_OBJ_HT_PP(obj)->get_properties(*obj TSRMLS_CC);
+	zend_hash_internal_pointer_reset_ex(properties, &pos);
+
+	while (zend_hash_get_current_data_ex(properties, (void **) &value, &pos) == SUCCESS) {
+		if (zend_hash_get_current_key_ex(properties, &key, &key_len, &num_index, 0, &pos) == HASH_KEY_IS_STRING) {
+			if (key[0]) {
+			/* Not separating references */
+			(*value)->refcount++;
+			add_assoc_zval_ex(return_value, key, key_len, *value);
+			} else if (instanceof) {
+				zend_unmangle_property_name(key, &class_name, &prop_name);
+				if (!memcmp(class_name, "*", 2) || (Z_OBJCE_P(EG(This)) == Z_OBJCE_PP(obj) && !strcmp(Z_OBJCE_P(EG(This))->name, class_name))) {
+					/* Not separating references */
+					(*value)->refcount++;
+					add_assoc_zval_ex(return_value, prop_name, strlen(prop_name)+1, *value);
+				}
+			}
+		}
+		zend_hash_move_forward_ex(properties, &pos);
+	}
+}
+/* }}} */
+
+
+/* {{{ proto array get_class_methods(mixed class)
+   Returns an array of method names for class or class instance. */
+ZEND_FUNCTION(get_class_methods)
+{
+	zval **class;
+	zval *method_name;
+	zend_class_entry *ce = NULL, **pce;
+	HashPosition pos;
+	zend_function *mptr;
+	int instanceof;
+
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &class)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if (Z_TYPE_PP(class) == IS_OBJECT) {
+		/* TBI!! new object handlers */
+		if (!HAS_CLASS_ENTRY(**class)) {
+			RETURN_FALSE;
+		}
+		ce = Z_OBJCE_PP(class);
+	} else if (Z_TYPE_PP(class) == IS_STRING) {
+		if (zend_lookup_class(Z_STRVAL_PP(class), Z_STRLEN_PP(class), &pce TSRMLS_CC) == SUCCESS) {
+			ce = *pce;
+		}
+	}
+
+	if (!ce) {
+		RETURN_NULL();
+	}
+
+	instanceof = EG(scope) && instanceof_function(EG(scope), ce TSRMLS_CC);
+
+	array_init(return_value);
+	zend_hash_internal_pointer_reset_ex(&ce->function_table, &pos);
+
+	while (zend_hash_get_current_data_ex(&ce->function_table, (void **) &mptr, &pos) == SUCCESS) {
+		if ((mptr->common.fn_flags & ZEND_ACC_PUBLIC) 
+		 || (instanceof && ((mptr->common.fn_flags & ZEND_ACC_PROTECTED) || EG(scope) == mptr->common.scope))) {
+			MAKE_STD_ZVAL(method_name);
+			ZVAL_STRING(method_name, mptr->common.function_name, 1);
+			zend_hash_next_index_insert(return_value->value.ht, &method_name, sizeof(zval *), NULL);
+		}
+		zend_hash_move_forward_ex(&ce->function_table, &pos);
+	}
+}
+/* }}} */
+
+
+/* {{{ proto bool method_exists(object object, string method)
+   Checks if the class method exists */
+ZEND_FUNCTION(method_exists)
+{
+	zval **klass, **method_name;
+	char *lcname;
+	
+	if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &klass, &method_name)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	if ((*klass)->type != IS_OBJECT) {
+		RETURN_FALSE;
+	}
+
+	/* TBI!! new object handlers */
+	if (!HAS_CLASS_ENTRY(**klass)) {
+		RETURN_FALSE;
+	}
+
+	convert_to_string_ex(method_name);
+	lcname = zend_str_tolower_dup((*method_name)->value.str.val, (*method_name)->value.str.len);
+	if (zend_hash_exists(&Z_OBJCE_PP(klass)->function_table, lcname, (*method_name)->value.str.len+1)) {
+		efree(lcname);
+		RETURN_TRUE;
+	} else {
+		efree(lcname);
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+/* {{{ proto bool class_exists(string classname [, bool autoload])
+   Checks if the class exists */
+ZEND_FUNCTION(class_exists)
+{
+	char *class_name, *lc_name;
+	zend_class_entry **ce;
+	int class_name_len;
+	zend_bool autoload = 1;
+	int found;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &class_name, &class_name_len, &autoload) == FAILURE) {
+		return;
+	}
+
+	if (!autoload) {
+		lc_name = do_alloca(class_name_len + 1);
+		zend_str_tolower_copy(lc_name, class_name, class_name_len);
+	
+		found = zend_hash_find(EG(class_table), lc_name, class_name_len+1, (void **) &ce);
+		free_alloca(lc_name);
+		RETURN_BOOL(found == SUCCESS && !((*ce)->ce_flags & ZEND_ACC_INTERFACE));
+	}
+
+ 	if (zend_lookup_class(class_name, class_name_len, &ce TSRMLS_CC) == SUCCESS) {
+ 		RETURN_BOOL(((*ce)->ce_flags & ZEND_ACC_INTERFACE) == 0);
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+/* {{{ proto bool interface_exists(string classname [, bool autoload])
+   Checks if the class exists */
+ZEND_FUNCTION(interface_exists)
+{
+	char *iface_name, *lc_name;
+	zend_class_entry **ce;
+	int iface_name_len;
+	zend_bool autoload = 1;
+	int found;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &iface_name, &iface_name_len, &autoload) == FAILURE) {
+		return;
+	}
+
+	if (!autoload) {
+		lc_name = do_alloca(iface_name_len + 1);
+		zend_str_tolower_copy(lc_name, iface_name, iface_name_len);
+	
+		found = zend_hash_find(EG(class_table), lc_name, iface_name_len+1, (void **) &ce);
+		free_alloca(lc_name);
+		RETURN_BOOL(found == SUCCESS && (*ce)->ce_flags & ZEND_ACC_INTERFACE);
+	}
+
+ 	if (zend_lookup_class(iface_name, iface_name_len, &ce TSRMLS_CC) == SUCCESS) {
+ 		RETURN_BOOL(((*ce)->ce_flags & ZEND_ACC_INTERFACE) > 0);
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+/* {{{ proto bool function_exists(string function_name) 
+   Checks if the function exists */
+ZEND_FUNCTION(function_exists)
+{
+	zval **function_name;
+	zend_function *func;
+	char *lcname;
+	zend_bool retval;
+	
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &function_name)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	convert_to_string_ex(function_name);
+	lcname = zend_str_tolower_dup((*function_name)->value.str.val, (*function_name)->value.str.len);
+
+	retval = (zend_hash_find(EG(function_table), lcname, (*function_name)->value.str.len+1, (void **)&func) == SUCCESS);
+	
+	efree(lcname);
+
+	/*
+	 * A bit of a hack, but not a bad one: we see if the handler of the function
+	 * is actually one that displays "function is disabled" message.
+	 */
+	if (retval && func->type == ZEND_INTERNAL_FUNCTION &&
+		func->internal_function.handler == zif_display_disabled_function) {
+		retval = 0;
+	}
+
+	RETURN_BOOL(retval);
+}
+/* }}} */
+
+#if ZEND_DEBUG
+/* {{{ proto void leak(int num_bytes=3)
+   Cause an intentional memory leak, for testing/debugging purposes */
+ZEND_FUNCTION(leak)
+{
+	int leakbytes=3;
+	zval **leak;
+
+	if (ZEND_NUM_ARGS()>=1) {
+		if (zend_get_parameters_ex(1, &leak)==SUCCESS) {
+			convert_to_long_ex(leak);
+			leakbytes = (*leak)->value.lval;
+		}
+	}
+	
+	emalloc(leakbytes);
+}
+/* }}} */
+
+
+#ifdef ZEND_TEST_EXCEPTIONS
+ZEND_FUNCTION(crash)
+{
+	char *nowhere=NULL;
+
+	memcpy(nowhere, "something", sizeof("something"));
+}
+#endif
+
+#endif /* ZEND_DEBUG */
+
+/* {{{ proto array get_included_files(void)
+   Returns an array with the file names that were include_once()'d */
+ZEND_FUNCTION(get_included_files)
+{
+	char *entry;
+	if (ZEND_NUM_ARGS() != 0) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	array_init(return_value);
+	zend_hash_internal_pointer_reset(&EG(included_files));
+	while (zend_hash_get_current_key(&EG(included_files), &entry, NULL, 1) == HASH_KEY_IS_STRING) {
+		add_next_index_string(return_value, entry, 0);
+		zend_hash_move_forward(&EG(included_files));
+	}
+}
+/* }}} */
+
+
+/* {{{ proto void trigger_error(string messsage [, int error_type])
+   Generates a user-level error/warning/notice message */
+ZEND_FUNCTION(trigger_error)
+{
+	int error_type = E_USER_NOTICE;
+	zval **z_error_type, **z_error_message;
+
+	switch (ZEND_NUM_ARGS()) {
+		case 1:
+			if (zend_get_parameters_ex(1, &z_error_message)==FAILURE) {
+				ZEND_WRONG_PARAM_COUNT();
+			}
+			break;
+		case 2:
+			if (zend_get_parameters_ex(2, &z_error_message, &z_error_type)==FAILURE) {
+				ZEND_WRONG_PARAM_COUNT();
+			}
+			convert_to_long_ex(z_error_type);
+			error_type = (*z_error_type)->value.lval;
+			switch (error_type) {
+				case E_USER_ERROR:
+				case E_USER_WARNING:
+				case E_USER_NOTICE:
+					break;
+				default:
+					zend_error(E_WARNING, "Invalid error type specified");
+					RETURN_FALSE;
+					break;
+			}
+			break;
+		default:
+			ZEND_WRONG_PARAM_COUNT();	
+	}
+	convert_to_string_ex(z_error_message);
+	zend_error(error_type, "%s", (*z_error_message)->value.str.val);
+	RETURN_TRUE;
+}
+/* }}} */
+
+
+/* {{{ proto string set_error_handler(string error_handler [, int error_types])
+   Sets a user-defined error handler function.  Returns the previously defined error handler, or false on error */
+ZEND_FUNCTION(set_error_handler)
+{
+	zval *error_handler;
+	zend_bool had_orig_error_handler=0;
+	char *error_handler_name = NULL;
+	long error_type = E_ALL | E_STRICT;
+ 
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &error_handler, &error_type) == FAILURE) {
+		return;
+	}
+
+	if (!zend_is_callable(error_handler, 0, &error_handler_name)) {
+		zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
+				   get_active_function_name(TSRMLS_C), error_handler_name?error_handler_name:"unknown");
+		efree(error_handler_name);
+		return;
+	}
+	efree(error_handler_name);
+
+	if (EG(user_error_handler)) {
+		had_orig_error_handler = 1;
+		*return_value = *EG(user_error_handler);
+		zval_copy_ctor(return_value);
+		zend_stack_push(&EG(user_error_handlers_error_reporting), &EG(user_error_handler_error_reporting), sizeof(EG(user_error_handler_error_reporting)));
+		zend_ptr_stack_push(&EG(user_error_handlers), EG(user_error_handler));
+	}
+	ALLOC_ZVAL(EG(user_error_handler));
+
+	if (!zend_is_true(error_handler)) { /* unset user-defined handler */
+		FREE_ZVAL(EG(user_error_handler));
+		EG(user_error_handler) = NULL;
+		RETURN_TRUE;
+	}
+
+	EG(user_error_handler_error_reporting) = (int)error_type;
+	*EG(user_error_handler) = *error_handler;
+	zval_copy_ctor(EG(user_error_handler));
+
+	if (!had_orig_error_handler) {
+		RETURN_NULL();
+	}
+}
+/* }}} */
+
+
+/* {{{ proto void restore_error_handler(void)
+   Restores the previously defined error handler function */
+ZEND_FUNCTION(restore_error_handler)
+{
+	if (EG(user_error_handler)) {
+		zval *zeh = EG(user_error_handler);
+
+		EG(user_error_handler) = NULL;
+		zval_ptr_dtor(&zeh);
+	}
+
+	if (zend_ptr_stack_num_elements(&EG(user_error_handlers))==0) {
+		EG(user_error_handler) = NULL;
+	} else {
+		EG(user_error_handler_error_reporting) = zend_stack_int_top(&EG(user_error_handlers_error_reporting));
+		zend_stack_del_top(&EG(user_error_handlers_error_reporting));
+		EG(user_error_handler) = zend_ptr_stack_pop(&EG(user_error_handlers));
+	}
+	RETURN_TRUE;
+}
+/* }}} */
+
+
+/* {{{ proto string set_exception_handler(callable exception_handler)
+   Sets a user-defined exception handler function.  Returns the previously defined exception handler, or false on error */
+ZEND_FUNCTION(set_exception_handler)
+{
+	zval **exception_handler;
+	char *exception_handler_name = NULL;
+	zend_bool had_orig_exception_handler=0;
+
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &exception_handler)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if (Z_TYPE_PP(exception_handler) != IS_NULL) { /* NULL == unset */
+		if (!zend_is_callable(*exception_handler, 0, &exception_handler_name)) {
+			zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
+					   get_active_function_name(TSRMLS_C), exception_handler_name?exception_handler_name:"unknown");
+			efree(exception_handler_name);
+			return;
+		}
+		efree(exception_handler_name);
+	}
+
+	if (EG(user_exception_handler)) {
+		had_orig_exception_handler = 1;
+		*return_value = *EG(user_exception_handler);
+		zval_copy_ctor(return_value);
+		zend_ptr_stack_push(&EG(user_exception_handlers), EG(user_exception_handler));
+	}
+	ALLOC_ZVAL(EG(user_exception_handler));
+
+	if (Z_TYPE_PP(exception_handler) == IS_NULL) { /* unset user-defined handler */
+		FREE_ZVAL(EG(user_exception_handler));
+		EG(user_exception_handler) = NULL;
+		RETURN_TRUE;
+	}
+
+	*EG(user_exception_handler) = **exception_handler;
+	zval_copy_ctor(EG(user_exception_handler));
+
+	if (!had_orig_exception_handler) {
+		RETURN_NULL();
+	}
+}
+/* }}} */
+
+
+/* {{{ proto void restore_exception_handler(void)
+   Restores the previously defined exception handler function */
+ZEND_FUNCTION(restore_exception_handler)
+{
+	if (EG(user_exception_handler)) {
+		zval_ptr_dtor(&EG(user_exception_handler));
+	}
+	if (zend_ptr_stack_num_elements(&EG(user_exception_handlers))==0) {
+		EG(user_exception_handler) = NULL;
+	} else {
+		EG(user_exception_handler) = zend_ptr_stack_pop(&EG(user_exception_handlers));
+	}
+	RETURN_TRUE;
+}
+/* }}} */
+
+
+static int copy_class_or_interface_name(zend_class_entry **pce, int num_args, va_list args, zend_hash_key *hash_key)
+{
+	zval *array = va_arg(args, zval *);
+	int mask = va_arg(args, int);
+	int comply = va_arg(args, int);
+	int comply_mask = (comply)? mask:0;
+	zend_class_entry *ce  = *pce;
+
+	if ((hash_key->nKeyLength==0 || hash_key->arKey[0]!=0)
+		&& (comply_mask == (ce->ce_flags & mask))) {
+		add_next_index_stringl(array, ce->name, ce->name_length, 1);
+	}
+	return ZEND_HASH_APPLY_KEEP;
+}
+
+
+/* {{{ proto array get_declared_classes()
+   Returns an array of all declared classes. */
+ZEND_FUNCTION(get_declared_classes)
+{
+	int mask = ZEND_ACC_INTERFACE;
+	int comply = 0;
+
+	if (ZEND_NUM_ARGS() != 0) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	array_init(return_value);
+	zend_hash_apply_with_arguments(EG(class_table), (apply_func_args_t) copy_class_or_interface_name, 3, return_value, mask, comply);
+}
+/* }}} */
+
+/* {{{ proto array get_declared_interfaces()
+   Returns an array of all declared interfaces. */
+ZEND_FUNCTION(get_declared_interfaces)
+{
+	int mask = ZEND_ACC_INTERFACE;
+	int comply = 1;
+	
+	if (ZEND_NUM_ARGS() != 0) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	array_init(return_value);
+	zend_hash_apply_with_arguments(EG(class_table), (apply_func_args_t) copy_class_or_interface_name, 3, return_value, mask, comply);
+}
+/* }}} */
+
+
+static int copy_function_name(zend_function *func, int num_args, va_list args, zend_hash_key *hash_key)
+{
+	zval *internal_ar = va_arg(args, zval *),
+	     *user_ar     = va_arg(args, zval *);
+
+	if (hash_key->nKeyLength == 0 || hash_key->arKey[0] == 0) {
+		return 0;
+	}
+
+	if (func->type == ZEND_INTERNAL_FUNCTION) {
+		add_next_index_stringl(internal_ar, hash_key->arKey, hash_key->nKeyLength-1, 1);
+	} else if (func->type == ZEND_USER_FUNCTION) {
+		add_next_index_stringl(user_ar, hash_key->arKey, hash_key->nKeyLength-1, 1);
+	}
+	
+	return 0;
+}
+
+
+/* {{{ proto array get_defined_functions(void)
+   Returns an array of all defined functions */
+ZEND_FUNCTION(get_defined_functions)
+{
+	zval *internal;
+	zval *user;
+	
+	if (ZEND_NUM_ARGS() != 0) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	
+	MAKE_STD_ZVAL(internal);
+	MAKE_STD_ZVAL(user);
+	
+	array_init(internal);
+	array_init(user);
+	array_init(return_value);
+	
+	zend_hash_apply_with_arguments(EG(function_table), (apply_func_args_t) copy_function_name, 2, internal, user);
+	
+	if (zend_hash_add(return_value->value.ht, "internal", sizeof("internal"), (void **)&internal, sizeof(zval *), NULL) == FAILURE) {
+		zend_error(E_WARNING, "Cannot add internal functions to return value from get_defined_functions()");
+		RETURN_FALSE;
+	}
+	
+	if (zend_hash_add(return_value->value.ht, "user", sizeof("user"), (void **)&user, sizeof(zval *), NULL) == FAILURE) {
+		zend_error(E_WARNING, "Cannot add user functions to return value from get_defined_functions()");
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+/* {{{ proto array get_defined_vars(void)
+   Returns an associative array of names and values of all currently defined variable names (variables in the current scope) */
+ZEND_FUNCTION(get_defined_vars)
+{	
+	zval *tmp;
+	
+	array_init(return_value);
+	
+	zend_hash_copy(return_value->value.ht, EG(active_symbol_table),
+					(copy_ctor_func_t)zval_add_ref, &tmp, sizeof(zval *));
+}
+/* }}} */
+
+
+#define LAMBDA_TEMP_FUNCNAME	"__lambda_func"
+/* {{{ proto string create_function(string args, string code)
+   Creates an anonymous function, and returns its name (funny, eh?) */
+ZEND_FUNCTION(create_function)
+{
+	char *eval_code, *function_name;
+	int eval_code_length, function_name_length;
+	zval **z_function_args, **z_function_code;
+	int retval;
+	char *eval_name;
+
+	if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &z_function_args, &z_function_code)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	convert_to_string_ex(z_function_args);
+	convert_to_string_ex(z_function_code);
+
+	eval_code_length = sizeof("function " LAMBDA_TEMP_FUNCNAME)
+			+Z_STRLEN_PP(z_function_args)
+			+2	/* for the args parentheses */
+			+2	/* for the curly braces */
+			+Z_STRLEN_PP(z_function_code);
+
+	eval_code = (char *) emalloc(eval_code_length);
+	sprintf(eval_code, "function " LAMBDA_TEMP_FUNCNAME "(%s){%s}", Z_STRVAL_PP(z_function_args), Z_STRVAL_PP(z_function_code));
+
+	eval_name = zend_make_compiled_string_description("runtime-created function" TSRMLS_CC);
+	retval = zend_eval_string(eval_code, NULL, eval_name TSRMLS_CC);
+	efree(eval_code);
+	efree(eval_name);
+
+	if (retval==SUCCESS) {
+		zend_function new_function, *func;
+
+		if (zend_hash_find(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME), (void **) &func)==FAILURE) {
+			zend_error(E_ERROR, "Unexpected inconsistency in create_function()");
+			RETURN_FALSE;
+		}
+		new_function = *func;
+		function_add_ref(&new_function);
+
+		function_name = (char *) emalloc(sizeof("0lambda_")+MAX_LENGTH_OF_LONG);
+
+		do {
+			sprintf(function_name, "%clambda_%d", 0, ++EG(lambda_count));
+			function_name_length = strlen(function_name+1)+1;
+		} while (zend_hash_add(EG(function_table), function_name, function_name_length+1, &new_function, sizeof(zend_function), NULL)==FAILURE);
+		zend_hash_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME));
+		RETURN_STRINGL(function_name, function_name_length, 0);
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
+
+#if ZEND_DEBUG
+ZEND_FUNCTION(zend_test_func)
+{
+	zval *arg1, *arg2;
+
+	zend_get_parameters(ht, 2, &arg1, &arg2);
+}
+
+
+#ifdef ZTS
+ZEND_FUNCTION(zend_thread_id)
+{
+	RETURN_LONG(tsrm_thread_id());
+}
+#endif
+#endif
+
+/* {{{ proto string get_resource_type(resource res)
+   Get the resource type name for a given resource */
+ZEND_FUNCTION(get_resource_type)
+{
+	char *resource_type;
+	zval **z_resource_type;
+
+	if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &z_resource_type)==FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	if (Z_TYPE_PP(z_resource_type) != IS_RESOURCE) {
+		zend_error(E_WARNING, "Supplied argument is not a valid resource handle");
+		RETURN_FALSE;
+	}
+
+	resource_type = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(z_resource_type) TSRMLS_CC);
+	if (resource_type) {
+		RETURN_STRING(resource_type, 1);
+	} else {
+		RETURN_STRING("Unknown", 1);
+	}
+}
+/* }}} */
+
+
+static int add_extension_info(zend_module_entry *module, void *arg TSRMLS_DC)
+{
+	zval *name_array = (zval *)arg;
+	add_next_index_string(name_array, module->name, 1);
+	return 0;
+}
+
+static int add_constant_info(zend_constant *constant, void *arg TSRMLS_DC)
+{
+	zval *name_array = (zval *)arg;
+	zval *const_val;
+
+	MAKE_STD_ZVAL(const_val);
+	*const_val = constant->value;
+	zval_copy_ctor(const_val);
+	INIT_PZVAL(const_val);
+	add_assoc_zval_ex(name_array, constant->name, constant->name_len, const_val);
+	return 0;
+}
+
+
+/* {{{ proto array get_loaded_extensions(void)
+   Return an array containing names of loaded extensions */
+ZEND_FUNCTION(get_loaded_extensions)
+{
+	if (ZEND_NUM_ARGS() != 0) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	array_init(return_value);
+	zend_hash_apply_with_argument(&module_registry, (apply_func_arg_t) add_extension_info, return_value TSRMLS_CC);
+}
+/* }}} */
+
+
+/* {{{ proto array get_defined_constants(void)
+   Return an array containing the names and values of all defined constants */
+ZEND_FUNCTION(get_defined_constants)
+{
+	int argc = ZEND_NUM_ARGS();
+
+	if (argc != 0 && argc != 1) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	array_init(return_value);
+
+	if (argc) {
+		HashPosition pos;
+		zend_constant *val;
+		int module_number;
+		zval **modules;
+		char **module_names;
+		zend_module_entry *module;
+		int i = 1;
+
+		modules = ecalloc(zend_hash_num_elements(&module_registry) + 2, sizeof(zval *));
+		module_names = emalloc((zend_hash_num_elements(&module_registry) + 2) * sizeof(char *));
+		
+		module_names[0] = "internal";
+		zend_hash_internal_pointer_reset_ex(&module_registry, &pos);
+		while (zend_hash_get_current_data_ex(&module_registry, (void *) &module, &pos) != FAILURE) {
+			module_names[i++] = module->name;
+			zend_hash_move_forward_ex(&module_registry, &pos);
+		}
+		module_names[i] = "user";
+
+		zend_hash_internal_pointer_reset_ex(EG(zend_constants), &pos);
+		while (zend_hash_get_current_data_ex(EG(zend_constants), (void **) &val, &pos) != FAILURE) {
+			zval *const_val;
+
+			if (val->module_number == PHP_USER_CONSTANT) {
+				module_number = i;
+			} else if (val->module_number > i || val->module_number < 0) {
+				/* should not happen */
+				goto bad_module_id;
+			} else {
+				module_number = val->module_number;
+			}
+
+			if (!modules[module_number]) {
+				MAKE_STD_ZVAL(modules[module_number]);
+				array_init(modules[module_number]);
+				add_assoc_zval(return_value, module_names[module_number], modules[module_number]);
+			}
+
+			MAKE_STD_ZVAL(const_val);
+			*const_val = val->value;
+			zval_copy_ctor(const_val);
+			INIT_PZVAL(const_val);
+
+			add_assoc_zval_ex(modules[module_number], val->name, val->name_len, const_val);
+bad_module_id:
+			zend_hash_move_forward_ex(EG(zend_constants), &pos);
+		}
+		efree(module_names);
+		efree(modules);
+	} else {
+		zend_hash_apply_with_argument(EG(zend_constants), (apply_func_arg_t) add_constant_info, return_value TSRMLS_CC);
+	}
+}
+/* }}} */
+
+
+static zval *debug_backtrace_get_args(void ***curpos TSRMLS_DC)
+{
+	void **p = *curpos - 2;
+	zval *arg_array, **arg;
+	int arg_count = (ulong) *p;
+
+	*curpos -= (arg_count+2); 
+
+	MAKE_STD_ZVAL(arg_array);
+	array_init(arg_array);
+	p -= arg_count;
+
+	while (--arg_count >= 0) {
+		arg = (zval **) p++;
+		SEPARATE_ZVAL_TO_MAKE_IS_REF(arg);
+		(*arg)->refcount++;
+		add_next_index_zval(arg_array, *arg);
+	}
+	return arg_array;
+}
+
+void debug_print_backtrace_args(zval *arg_array TSRMLS_DC)
+{
+	zval **tmp;
+	HashPosition iterator;
+	int i = 0;
+
+	zend_hash_internal_pointer_reset_ex(arg_array->value.ht, &iterator);
+	while (zend_hash_get_current_data_ex(arg_array->value.ht, (void **) &tmp, &iterator) == SUCCESS) {
+		if (i++) {
+			ZEND_PUTS(", ");
+		}
+		zend_print_flat_zval_r(*tmp TSRMLS_CC);
+		zend_hash_move_forward_ex(arg_array->value.ht, &iterator);
+	}
+}
+
+/* {{{ proto void debug_print_backtrace(void) */
+ZEND_FUNCTION(debug_print_backtrace)
+{
+	zend_execute_data *ptr;
+	int lineno;
+	char *function_name;
+	char *filename;
+	char *class_name = NULL;
+	char *call_type;
+	char *include_filename = NULL;
+	zval *arg_array = NULL;
+	void **cur_arg_pos = EG(argument_stack).top_element;
+	void **args = cur_arg_pos;
+	int arg_stack_consistent = 0;
+	int frames_on_stack = 0;
+	int indent = 0;
+
+	if (ZEND_NUM_ARGS()) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	while (--args > EG(argument_stack).elements) {
+		if (*args--) {
+			break;
+		}
+		args -= *(ulong*)args;
+		frames_on_stack++;
+
+		if ((args-1) == EG(argument_stack).elements) {
+			arg_stack_consistent = 1;
+			break;
+		}
+	}
+
+	ptr = EG(current_execute_data);
+
+	/* skip debug_backtrace() */
+	ptr = ptr->prev_execute_data;
+	cur_arg_pos -= 2;
+	frames_on_stack--;
+
+	array_init(return_value);
+
+	while (ptr) {
+   		class_name = call_type = NULL;   
+		arg_array = NULL;
+		if (ptr->op_array) {
+			filename = ptr->op_array->filename;
+			lineno = ptr->opline->lineno;
+		} else {
+			filename = NULL;
+			lineno = 0;
+		}
+
+		function_name = ptr->function_state.function->common.function_name;
+
+		if (function_name) {
+			if (ptr->object) {
+				class_name = Z_OBJCE(*ptr->object)->name;
+				call_type = "->";
+			} else if (ptr->function_state.function->common.scope) {
+				class_name = ptr->function_state.function->common.scope->name;
+				call_type = "::";
+			} else {
+				class_name = NULL;
+				call_type = NULL;
+			}
+			if ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL))) {
+				if (arg_stack_consistent && (frames_on_stack > 0)) {
+					arg_array = debug_backtrace_get_args(&cur_arg_pos TSRMLS_CC);
+					frames_on_stack--;
+				}
+			}	
+		} 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;
+
+			switch (ptr->opline->op2.u.constant.value.lval) {
+				case ZEND_EVAL:
+					function_name = "eval";
+					build_filename_arg = 0;
+					break;
+				case ZEND_INCLUDE:
+					function_name = "include";
+					break;
+				case ZEND_REQUIRE:
+					function_name = "require";
+					break;
+				case ZEND_INCLUDE_ONCE:
+					function_name = "include_once";
+					break;
+				case ZEND_REQUIRE_ONCE:
+					function_name = "require_once";
+					break;
+				default:
+					/* this can actually happen if you use debug_backtrace() in your error_handler and 
+					 * you're in the top-scope */
+					function_name = "unknown"; 
+					build_filename_arg = 0;
+					break;
+			}
+
+			if (build_filename_arg && include_filename) {
+				MAKE_STD_ZVAL(arg_array);
+				array_init(arg_array);
+				add_next_index_string(arg_array, include_filename, 1);
+			}
+			call_type = NULL;
+		}
+		zend_printf("#%-2d ", indent);
+		if (class_name) {
+			ZEND_PUTS(class_name);
+			ZEND_PUTS(call_type);
+		}
+		zend_printf("%s(", function_name?function_name:"main");
+		if (arg_array) {
+			debug_print_backtrace_args(arg_array TSRMLS_CC);
+			zval_ptr_dtor(&arg_array);
+		}
+		zend_printf(") called at [%s:%d]\n", filename, lineno);
+		include_filename = filename;
+		ptr = ptr->prev_execute_data;
+		++indent;
+	}
+}
+
+/* }}} */
+
+ZEND_API void zend_fetch_debug_backtrace(zval *return_value, int skip_last TSRMLS_DC)
+{
+	zend_execute_data *ptr;
+	int lineno;
+	char *function_name;
+	char *filename;
+	char *class_name;
+	char *call_type;
+	char *include_filename = NULL;
+	zval *stack_frame;
+	void **cur_arg_pos = EG(argument_stack).top_element;
+	void **args = cur_arg_pos;
+	int arg_stack_consistent = 0;
+	int frames_on_stack = 0;
+
+	while (--args > EG(argument_stack).elements) {
+		if (*args--) {
+			break;
+		}
+		args -= *(ulong*)args;
+		frames_on_stack++;
+
+		if ((args-1) == EG(argument_stack).elements) {
+			arg_stack_consistent = 1;
+			break;
+		}
+	}
+
+	ptr = EG(current_execute_data);
+
+	/* skip debug_backtrace() */
+	if (skip_last--) {
+		int arg_count = *((ulong*)(cur_arg_pos - 2));
+		cur_arg_pos -= (arg_count + 2);
+		frames_on_stack--;
+		ptr = ptr->prev_execute_data;
+	}
+
+	array_init(return_value);
+
+	while (ptr) {
+		MAKE_STD_ZVAL(stack_frame);
+		array_init(stack_frame);
+
+		if (ptr->op_array) {
+			filename = ptr->op_array->filename;
+			lineno = ptr->opline->lineno;
+			add_assoc_string_ex(stack_frame, "file", sizeof("file"), filename, 1);
+			add_assoc_long_ex(stack_frame, "line", sizeof("line"), lineno);
+
+			/* try to fetch args only if an FCALL was just made - elsewise we're in the middle of a function
+			 * and debug_baktrace() might have been called by the error_handler. in this case we don't 
+			 * want to pop anything of the argument-stack */
+		} else {
+			filename = NULL;
+		}
+
+		function_name = ptr->function_state.function->common.function_name;
+
+		if (function_name) {
+			add_assoc_string_ex(stack_frame, "function", sizeof("function"), function_name, 1);
+
+			if (ptr->object && Z_TYPE_P(ptr->object) == IS_OBJECT) {
+				class_name = Z_OBJCE(*ptr->object)->name;
+				call_type = "->";
+			} else if (ptr->function_state.function->common.scope) {
+				class_name = ptr->function_state.function->common.scope->name;
+				call_type = "::";
+			} else {
+				class_name = NULL;
+				call_type = NULL;
+			}
+
+			if (class_name) {
+				add_assoc_string_ex(stack_frame, "class", sizeof("class"), class_name, 1);
+				add_assoc_string_ex(stack_frame, "type", sizeof("type"), call_type, 1);
+			}
+
+			if ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL))) {
+				if (arg_stack_consistent && (frames_on_stack > 0)) {
+					add_assoc_zval_ex(stack_frame, "args", sizeof("args"), debug_backtrace_get_args(&cur_arg_pos TSRMLS_CC));
+					frames_on_stack--;
+				}
+			}	
+		} else {
+			/* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */
+			zend_bool build_filename_arg = 1;
+
+			if (!ptr->opline) {
+				/* can happen when calling eval from a custom sapi */
+				function_name = "unknown";
+				build_filename_arg = 0;
+			} else
+			switch (ptr->opline->op2.u.constant.value.lval) {
+				case ZEND_EVAL:
+					function_name = "eval";
+					build_filename_arg = 0;
+					break;
+				case ZEND_INCLUDE:
+					function_name = "include";
+					break;
+				case ZEND_REQUIRE:
+					function_name = "require";
+					break;
+				case ZEND_INCLUDE_ONCE:
+					function_name = "include_once";
+					break;
+				case ZEND_REQUIRE_ONCE:
+					function_name = "require_once";
+					break;
+				default:
+					/* this can actually happen if you use debug_backtrace() in your error_handler and 
+					 * you're in the top-scope */
+					function_name = "unknown"; 
+					build_filename_arg = 0;
+					break;
+			}
+
+			if (build_filename_arg && include_filename) {
+				zval *arg_array;
+
+				MAKE_STD_ZVAL(arg_array);
+				array_init(arg_array);
+				
+				/* include_filename always points to the last filename of the last last called-fuction.
+				   if we have called include in the frame above - this is the file we have included.
+				 */
+
+				add_next_index_string(arg_array, include_filename, 1);
+				add_assoc_zval_ex(stack_frame, "args", sizeof("args"), arg_array);
+			}
+
+			add_assoc_string_ex(stack_frame, "function", sizeof("function"), function_name, 1);
+		}
+
+		add_next_index_zval(return_value, stack_frame);
+
+		include_filename = filename; 
+
+		ptr = ptr->prev_execute_data;
+	}
+}
+/* }}} */
+
+
+/* {{{ proto array debug_backtrace(void)
+   Return backtrace as array */
+ZEND_FUNCTION(debug_backtrace)
+{
+	if (ZEND_NUM_ARGS()) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+	
+	zend_fetch_debug_backtrace(return_value, 1 TSRMLS_CC);
+}
+/* }}} */
+
+/* {{{ proto bool extension_loaded(string extension_name)
+   Returns true if the named extension is loaded */
+ZEND_FUNCTION(extension_loaded)
+{
+	zval **extension_name;
+	char *lcname;
+
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &extension_name)) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	convert_to_string_ex(extension_name);
+	lcname = zend_str_tolower_dup(Z_STRVAL_PP(extension_name), Z_STRLEN_PP(extension_name));
+	if (zend_hash_exists(&module_registry, lcname, Z_STRLEN_PP(extension_name)+1)) {
+		RETVAL_TRUE;
+	} else {
+		RETVAL_FALSE;
+	}
+	efree(lcname);
+}
+/* }}} */
+
+
+/* {{{ proto array get_extension_funcs(string extension_name)
+   Returns an array with the names of functions belonging to the named extension */
+ZEND_FUNCTION(get_extension_funcs)
+{
+	zval **extension_name;
+	zend_module_entry *module;
+	zend_function_entry *func;
+
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &extension_name)) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	convert_to_string_ex(extension_name);
+	if (strncasecmp(Z_STRVAL_PP(extension_name), "zend", sizeof("zend"))) {
+		char *lcname = zend_str_tolower_dup(Z_STRVAL_PP(extension_name), Z_STRLEN_PP(extension_name));
+		if (zend_hash_find(&module_registry, lcname,
+			Z_STRLEN_PP(extension_name)+1, (void**)&module) == FAILURE) {
+			efree(lcname);
+			RETURN_FALSE;
+		}
+		efree(lcname);
+		
+		if (!(func = module->functions)) {
+			RETURN_FALSE;
+		}
+	} else {
+		func = builtin_functions;
+	}
+
+	array_init(return_value);
+
+	while (func->fname) {
+		add_next_index_string(return_value, func->fname, 1);
+		func++;
+	}
+}
+/* }}} */
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ */