/Zend/zend_API.c

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/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2011 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>                                |
   |          Andrei Zmievski <andrei@php.net>                            |
   +----------------------------------------------------------------------+
*/

/* $Id: zend_API.c 307424 2011-01-12 22:17:10Z felipe $ */

#include "zend.h"
#include "zend_execute.h"
#include "zend_API.h"
#include "zend_modules.h"
#include "zend_constants.h"
#include "zend_exceptions.h"
#include "zend_closures.h"

#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif

/* these variables are true statics/globals, and have to be mutex'ed on every access */
static int module_count=0;
ZEND_API HashTable module_registry;

/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */
{
	void **p;
	int arg_count;
	va_list ptr;
	zval **param, *param_ptr;
	TSRMLS_FETCH();

	p = zend_vm_stack_top(TSRMLS_C) - 1;
	arg_count = (int)(zend_uintptr_t) *p;

	if (param_count>arg_count) {
		return FAILURE;
	}

	va_start(ptr, param_count);

	while (param_count-->0) {
		param = va_arg(ptr, zval **);
		param_ptr = *(p-arg_count);
		if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
			zval *new_tmp;

			ALLOC_ZVAL(new_tmp);
			*new_tmp = *param_ptr;
			zval_copy_ctor(new_tmp);
			INIT_PZVAL(new_tmp);
			param_ptr = new_tmp;
			Z_DELREF_P((zval *) *(p-arg_count));
			*(p-arg_count) = param_ptr;
		}
		*param = param_ptr;
		arg_count--;
	}
	va_end(ptr);

	return SUCCESS;
}
/* }}} */

ZEND_API int _zend_get_parameters_array(int ht, int param_count, zval **argument_array TSRMLS_DC) /* {{{ */
{
	void **p;
	int arg_count;
	zval *param_ptr;

	p = zend_vm_stack_top(TSRMLS_C) - 1;
	arg_count = (int)(zend_uintptr_t) *p;

	if (param_count>arg_count) {
		return FAILURE;
	}

	while (param_count-->0) {
		param_ptr = *(p-arg_count);
		if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
			zval *new_tmp;

			ALLOC_ZVAL(new_tmp);
			*new_tmp = *param_ptr;
			zval_copy_ctor(new_tmp);
			INIT_PZVAL(new_tmp);
			param_ptr = new_tmp;
			Z_DELREF_P((zval *) *(p-arg_count));
			*(p-arg_count) = param_ptr;
		}
		*(argument_array++) = param_ptr;
		arg_count--;
	}

	return SUCCESS;
}
/* }}} */

/* Zend-optimized Extended functions */
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */
{
	void **p;
	int arg_count;
	va_list ptr;
	zval ***param;
	TSRMLS_FETCH();

	p = zend_vm_stack_top(TSRMLS_C) - 1;
	arg_count = (int)(zend_uintptr_t) *p;

	if (param_count>arg_count) {
		return FAILURE;
	}

	va_start(ptr, param_count);
	while (param_count-->0) {
		param = va_arg(ptr, zval ***);
		*param = (zval **) p-(arg_count--);
	}
	va_end(ptr);

	return SUCCESS;
}
/* }}} */

ZEND_API int _zend_get_parameters_array_ex(int param_count, zval ***argument_array TSRMLS_DC) /* {{{ */
{
	void **p;
	int arg_count;

	p = zend_vm_stack_top(TSRMLS_C) - 1;
	arg_count = (int)(zend_uintptr_t) *p;

	if (param_count>arg_count) {
		return FAILURE;
	}

	while (param_count-->0) {
		zval **value = (zval**)(p-arg_count);

		*(argument_array++) = value;
		arg_count--;
	}

	return SUCCESS;
}
/* }}} */

ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */
{
	void **p;
	int arg_count;

	p = zend_vm_stack_top(TSRMLS_C) - 1;
	arg_count = (int)(zend_uintptr_t) *p;

	if (param_count>arg_count) {
		return FAILURE;
	}

	while (param_count-->0) {
		zval **param = (zval **) p-(arg_count--);
		zval_add_ref(param);
		add_next_index_zval(argument_array, *param);
	}

	return SUCCESS;
}
/* }}} */

ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */
{
	char *space;
	char *class_name = get_active_class_name(&space TSRMLS_CC);

	zend_error(E_WARNING, "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name(TSRMLS_C));
}
/* }}} */

/* Argument parsing API -- andrei */
ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
{
	switch(type) {
		case IS_BOOL:
			return "boolean";
		case IS_LONG:
			return "integer";
		case IS_DOUBLE:
			return "double";
		case IS_STRING:
			return "string";
		case IS_OBJECT:
			return "object";
		case IS_RESOURCE:
			return "resource";
		case IS_NULL:
			return "null";
		case IS_ARRAY:
			return "array";
		default:
			return "unknown";
	}
}
/* }}} */

ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
{
	return zend_get_type_by_const(Z_TYPE_P(arg));
}
/* }}} */

ZEND_API zend_class_entry *zend_get_class_entry(const zval *zobject TSRMLS_DC) /* {{{ */
{
	if (Z_OBJ_HT_P(zobject)->get_class_entry) {
		return Z_OBJ_HT_P(zobject)->get_class_entry(zobject TSRMLS_CC);
	} else {
		zend_error(E_ERROR, "Class entry requested for an object without PHP class");
		return NULL;
	}
}
/* }}} */

/* returns 1 if you need to copy result, 0 if it's already a copy */
ZEND_API int zend_get_object_classname(const zval *object, char **class_name, zend_uint *class_name_len TSRMLS_DC) /* {{{ */
{
	if (Z_OBJ_HT_P(object)->get_class_name == NULL ||
		Z_OBJ_HT_P(object)->get_class_name(object, class_name, class_name_len, 0 TSRMLS_CC) != SUCCESS) {
		zend_class_entry *ce = Z_OBJCE_P(object);

		*class_name = ce->name;
		*class_name_len = ce->name_length;
		return 1;
	}
	return 0;
}
/* }}} */

static int parse_arg_object_to_string(zval **arg TSRMLS_DC) /* {{{ */
{
	if (Z_OBJ_HANDLER_PP(arg, cast_object)) {
		SEPARATE_ZVAL_IF_NOT_REF(arg);
		if (Z_OBJ_HANDLER_PP(arg, cast_object)(*arg, *arg, IS_STRING TSRMLS_CC) == SUCCESS) {
			return SUCCESS;
		}
	}
	/* Standard PHP objects */
	if (Z_OBJ_HT_PP(arg) == &std_object_handlers || !Z_OBJ_HANDLER_PP(arg, cast_object)) {
		SEPARATE_ZVAL_IF_NOT_REF(arg);
		if (zend_std_cast_object_tostring(*arg, *arg, IS_STRING TSRMLS_CC) == SUCCESS) {
			return SUCCESS;
		}
	}
	if (!Z_OBJ_HANDLER_PP(arg, cast_object) && Z_OBJ_HANDLER_PP(arg, get)) {
		int use_copy;
		zval *z = Z_OBJ_HANDLER_PP(arg, get)(*arg TSRMLS_CC);
		Z_ADDREF_P(z);
		if(Z_TYPE_P(z) != IS_OBJECT) {
			zval_dtor(*arg);
			Z_TYPE_P(*arg) = IS_NULL;
			zend_make_printable_zval(z, *arg, &use_copy);
			if (!use_copy) {
				ZVAL_ZVAL(*arg, z, 1, 1);
			}
			return SUCCESS;
		}
		zval_ptr_dtor(&z);
	}
	return FAILURE;
}
/* }}} */

static char *zend_parse_arg_impl(int arg_num, zval **arg, va_list *va, char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */
{
	char *spec_walk = *spec;
	char c = *spec_walk++;
	int return_null = 0;

	/* scan through modifiers */
	while (1) {
		if (*spec_walk == '/') {
			SEPARATE_ZVAL_IF_NOT_REF(arg);
		} else if (*spec_walk == '!') {
			if (Z_TYPE_PP(arg) == IS_NULL) {
				return_null = 1;
			}
		} else {
			break;
		}
		spec_walk++;
	}

	switch (c) {
		case 'l':
		case 'L':
			{
				long *p = va_arg(*va, long *);
				switch (Z_TYPE_PP(arg)) {
					case IS_STRING:
						{
							double d;
							int type;

							if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), p, &d, -1)) == 0) {
								return "long";
							} else if (type == IS_DOUBLE) {
								if (c == 'L') {
									if (d > LONG_MAX) {
										*p = LONG_MAX;
										break;
									} else if (d < LONG_MIN) {
										*p = LONG_MIN;
										break;
									}
								}

								*p = zend_dval_to_lval(d);
							}
						}
						break;

					case IS_DOUBLE:
						if (c == 'L') {
							if (Z_DVAL_PP(arg) > LONG_MAX) {
								*p = LONG_MAX;
								break;
							} else if (Z_DVAL_PP(arg) < LONG_MIN) {
								*p = LONG_MIN;
								break;
							}
						}
					case IS_NULL:
					case IS_LONG:
					case IS_BOOL:
						convert_to_long_ex(arg);
						*p = Z_LVAL_PP(arg);
						break;

					case IS_ARRAY:
					case IS_OBJECT:
					case IS_RESOURCE:
					default:
						return "long";
				}
			}
			break;

		case 'd':
			{
				double *p = va_arg(*va, double *);
				switch (Z_TYPE_PP(arg)) {
					case IS_STRING:
						{
							long l;
							int type;

							if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &l, p, -1)) == 0) {
								return "double";
							} else if (type == IS_LONG) {
								*p = (double) l;
							}
						}
						break;

					case IS_NULL:
					case IS_LONG:
					case IS_DOUBLE:
					case IS_BOOL:
						convert_to_double_ex(arg);
						*p = Z_DVAL_PP(arg);
						break;

					case IS_ARRAY:
					case IS_OBJECT:
					case IS_RESOURCE:
					default:
						return "double";
				}
			}
			break;

		case 's':
			{
				char **p = va_arg(*va, char **);
				int *pl = va_arg(*va, int *);
				switch (Z_TYPE_PP(arg)) {
					case IS_NULL:
						if (return_null) {
							*p = NULL;
							*pl = 0;
							break;
						}
						/* break omitted intentionally */

					case IS_STRING:
					case IS_LONG:
					case IS_DOUBLE:
					case IS_BOOL:
						convert_to_string_ex(arg);
						if (UNEXPECTED(Z_ISREF_PP(arg) != 0)) {
							/* it's dangerous to return pointers to string
							   buffer of referenced variable, because it can
							   be clobbered throug magic callbacks */
							SEPARATE_ZVAL(arg);
						}
						*p = Z_STRVAL_PP(arg);
						*pl = Z_STRLEN_PP(arg);
						break;

					case IS_OBJECT:
					case IS_ARRAY:
					case IS_RESOURCE:
					default:
						return "string";
				}
			}
			break;

		case 'b':
			{
				zend_bool *p = va_arg(*va, zend_bool *);
				switch (Z_TYPE_PP(arg)) {
					case IS_NULL:
					case IS_STRING:
					case IS_LONG:
					case IS_DOUBLE:
					case IS_BOOL:
						convert_to_boolean_ex(arg);
						*p = Z_BVAL_PP(arg);
						break;

					case IS_ARRAY:
					case IS_OBJECT:
					case IS_RESOURCE:
					default:
						return "boolean";
				}
			}
			break;

		case 'r':
			{
				zval **p = va_arg(*va, zval **);
				if (return_null) {
					*p = NULL;
					break;
				}
				if (Z_TYPE_PP(arg) == IS_RESOURCE) {
					*p = *arg;
				} else {
					return "resource";
				}
			}
			break;
		case 'A':
		case 'a':
			{
				zval **p = va_arg(*va, zval **);
				if (return_null) {
					*p = NULL;
					break;
				}
				if (Z_TYPE_PP(arg) == IS_ARRAY || (c == 'A' && Z_TYPE_PP(arg) == IS_OBJECT)) {
					*p = *arg;
				} else {
					return "array";
				}
			}
			break;
		case 'H':
		case 'h':
			{
				HashTable **p = va_arg(*va, HashTable **);
				if (return_null) {
					*p = NULL;
					break;
				}
				if (Z_TYPE_PP(arg) == IS_ARRAY) {
					*p = Z_ARRVAL_PP(arg);
				} else if(c == 'H' && Z_TYPE_PP(arg) == IS_OBJECT) {
					*p = HASH_OF(*arg);
					if(*p == NULL) {
						return "array";
					}
				} else {
					return "array";
				}
			}
			break;

		case 'o':
			{
				zval **p = va_arg(*va, zval **);
				if (return_null) {
					*p = NULL;
					break;
				}
				if (Z_TYPE_PP(arg) == IS_OBJECT) {
					*p = *arg;
				} else {
					return "object";
				}
			}
			break;

		case 'O':
			{
				zval **p = va_arg(*va, zval **);
				zend_class_entry *ce = va_arg(*va, zend_class_entry *);

				if (return_null) {
					*p = NULL;
					break;
				}
				if (Z_TYPE_PP(arg) == IS_OBJECT &&
						(!ce || instanceof_function(Z_OBJCE_PP(arg), ce TSRMLS_CC))) {
					*p = *arg;
				} else {
					if (ce) {
						return ce->name;
					} else {
						return "object";
					}
				}
			}
			break;

		case 'C':
			{
				zend_class_entry **lookup, **pce = va_arg(*va, zend_class_entry **);
				zend_class_entry *ce_base = *pce;

				if (return_null) {
					*pce = NULL;
					break;
				}
				convert_to_string_ex(arg);
				if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &lookup TSRMLS_CC) == FAILURE) {
					*pce = NULL;
				} else {
					*pce = *lookup;
				}
				if (ce_base) {
					if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) {
						zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
							ce_base->name, Z_STRVAL_PP(arg));
						*pce = NULL;
						return "";
					}
				}
				if (!*pce) {
					zend_spprintf(error, 0, "to be a valid class name, '%s' given",
						Z_STRVAL_PP(arg));
					return "";
				}
				break;

			}
			break;

		case 'f':
			{
				zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
				zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
				char *is_callable_error = NULL;

				if (return_null) {
					fci->size = 0;
					fcc->initialized = 0;
					break;
				}

				if (zend_fcall_info_init(*arg, 0, fci, fcc, NULL, &is_callable_error TSRMLS_CC) == SUCCESS) {
					if (is_callable_error) {
						*severity = E_STRICT;
						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
						efree(is_callable_error);
						*spec = spec_walk;
						return "";
					}
					break;
				} else {
					if (is_callable_error) {
						*severity = E_WARNING;
						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
						efree(is_callable_error);
						return "";
					} else {
						return "valid callback";
					}
				}
			}

		case 'z':
			{
				zval **p = va_arg(*va, zval **);
				if (return_null) {
					*p = NULL;
				} else {
					*p = *arg;
				}
			}
			break;

		case 'Z':
			{
				zval ***p = va_arg(*va, zval ***);
				if (return_null) {
					*p = NULL;
				} else {
					*p = arg;
				}
			}
			break;

		default:
			return "unknown";
	}

	*spec = spec_walk;

	return NULL;
}
/* }}} */

static int zend_parse_arg(int arg_num, zval **arg, va_list *va, char **spec, int quiet TSRMLS_DC) /* {{{ */
{
	char *expected_type = NULL, *error = NULL;
	int severity = E_WARNING;

	expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity TSRMLS_CC);
	if (expected_type) {
		if (!quiet && (*expected_type || error)) {
			char *space;
			char *class_name = get_active_class_name(&space TSRMLS_CC);

			if (error) {
				zend_error(severity, "%s%s%s() expects parameter %d %s",
						class_name, space, get_active_function_name(TSRMLS_C), arg_num, error);
				efree(error);
			} else {
				zend_error(severity, "%s%s%s() expects parameter %d to be %s, %s given",
						class_name, space, get_active_function_name(TSRMLS_C), arg_num, expected_type,
						zend_zval_type_name(*arg));
			}
		}
		if (severity != E_STRICT) {
			return FAILURE;
		}
	}

	return SUCCESS;
}
/* }}} */

static int zend_parse_va_args(int num_args, char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */
{
	char *spec_walk;
	int c, i;
	int min_num_args = -1;
	int max_num_args = 0;
	int post_varargs = 0;
	zval **arg;
	int arg_count = (int)(zend_uintptr_t) *(zend_vm_stack_top(TSRMLS_C) - 1);
	int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
	zend_bool have_varargs = 0;
	zval ****varargs = NULL;
	int *n_varargs = NULL;

	for (spec_walk = type_spec; *spec_walk; spec_walk++) {
		c = *spec_walk;
		switch (c) {
			case 's':
				if (max_num_args < arg_count) {
					arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - max_num_args));
					if (Z_TYPE_PP(arg) == IS_OBJECT) {
						parse_arg_object_to_string(arg TSRMLS_CC);
					}
				}
				/* break missing intentionally */
			case 'l': case 'd':
			case 'H': case 'b':
			case 'r': case 'a':
			case 'o': case 'O':
			case 'z': case 'Z':
			case 'C': case 'h':
			case 'f': case 'A':
				max_num_args++;
				break;

			case '|':
				min_num_args = max_num_args;
				break;

			case '/':
			case '!':
				/* Pass */
				break;

			case '*':
			case '+':
				if (have_varargs) {
					if (!quiet) {
						zend_function *active_function = EG(current_execute_data)->function_state.function;
						char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
						zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted",
								class_name,
								class_name[0] ? "::" : "",
								active_function->common.function_name);
					}
					return FAILURE;
				}
				have_varargs = 1;
				/* we expect at least one parameter in varargs */
				if (c == '+') {
					max_num_args++;
				}
				/* mark the beginning of varargs */
				post_varargs = max_num_args;
				break;

			default:
				if (!quiet) {
					zend_function *active_function = EG(current_execute_data)->function_state.function;
					char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
					zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters",
							class_name,
							class_name[0] ? "::" : "",
							active_function->common.function_name);
				}
				return FAILURE;
		}
	}

	if (min_num_args < 0) {
		min_num_args = max_num_args;
	}

	if (have_varargs) {
		/* calculate how many required args are at the end of the specifier list */
		post_varargs = max_num_args - post_varargs;
		max_num_args = -1;
	}

	if (num_args < min_num_args || (num_args > max_num_args && max_num_args > 0)) {
		if (!quiet) {
			zend_function *active_function = EG(current_execute_data)->function_state.function;
			char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
			zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
					class_name,
					class_name[0] ? "::" : "",
					active_function->common.function_name,
					min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
					num_args < min_num_args ? min_num_args : max_num_args,
					(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
					num_args);
		}
		return FAILURE;
	}

	if (num_args > arg_count) {
		zend_error(E_WARNING, "%s(): could not obtain parameters for parsing",
			get_active_function_name(TSRMLS_C));
		return FAILURE;
	}

	i = 0;
	while (num_args-- > 0) {
		if (*type_spec == '|') {
			type_spec++;
		}

		if (*type_spec == '*' || *type_spec == '+') {
			int num_varargs = num_args + 1 - post_varargs;

			/* eat up the passed in storage even if it won't be filled in with varargs */
			varargs = va_arg(*va, zval ****);
			n_varargs = va_arg(*va, int *);
			type_spec++;

			if (num_varargs > 0) {
				int iv = 0;
				zval **p = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - i));

				*n_varargs = num_varargs;

				/* allocate space for array and store args */
				*varargs = safe_emalloc(num_varargs, sizeof(zval **), 0);
				while (num_varargs-- > 0) {
					(*varargs)[iv++] = p++;
				}

				/* adjust how many args we have left and restart loop */
				num_args = num_args + 1 - iv;
				i += iv;
				continue;
			} else {
				*varargs = NULL;
				*n_varargs = 0;
			}
		}

		arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count-i));

		if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) {
			/* clean up varargs array if it was used */
			if (varargs && *varargs) {
				efree(*varargs);
				*varargs = NULL;
			}
			return FAILURE;
		}
		i++;
	}

	return SUCCESS;
}
/* }}} */

#define RETURN_IF_ZERO_ARGS(num_args, type_spec, quiet) { \
	int __num_args = (num_args); \
	\
	if (0 == (type_spec)[0] && 0 != __num_args && !(quiet)) { \
		char *__space; \
		char * __class_name = get_active_class_name(&__space TSRMLS_CC); \
		zend_error(E_WARNING, "%s%s%s() expects exactly 0 parameters, %d given", \
			__class_name, __space, \
			get_active_function_name(TSRMLS_C), __num_args); \
		return FAILURE; \
	}\
}

ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, char *type_spec, ...) /* {{{ */
{
	va_list va;
	int retval;

	RETURN_IF_ZERO_ARGS(num_args, type_spec, flags & ZEND_PARSE_PARAMS_QUIET);

	va_start(va, type_spec);
	retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
	va_end(va);

	return retval;
}
/* }}} */

ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, char *type_spec, ...) /* {{{ */
{
	va_list va;
	int retval;

	RETURN_IF_ZERO_ARGS(num_args, type_spec, 0);

	va_start(va, type_spec);
	retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
	va_end(va);

	return retval;
}
/* }}} */

ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...) /* {{{ */
{
	va_list va;
	int retval;
	char *p = type_spec;
	zval **object;
	zend_class_entry *ce;

	if (!this_ptr) {
		RETURN_IF_ZERO_ARGS(num_args, p, 0);

		va_start(va, type_spec);
		retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
		va_end(va);
	} else {
		p++;
		RETURN_IF_ZERO_ARGS(num_args, p, 0);

		va_start(va, type_spec);

		object = va_arg(va, zval **);
		ce = va_arg(va, zend_class_entry *);
		*object = this_ptr;

		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
			zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
				ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
		}

		retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC);
		va_end(va);
	}
	return retval;
}
/* }}} */

ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...) /* {{{ */
{
	va_list va;
	int retval;
	char *p = type_spec;
	zval **object;
	zend_class_entry *ce;
	int quiet = flags & ZEND_PARSE_PARAMS_QUIET;

	if (!this_ptr) {
		RETURN_IF_ZERO_ARGS(num_args, p, quiet);

		va_start(va, type_spec);
		retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
		va_end(va);
	} else {
		p++;
		RETURN_IF_ZERO_ARGS(num_args, p, quiet);

		va_start(va, type_spec);

		object = va_arg(va, zval **);
		ce = va_arg(va, zend_class_entry *);
		*object = this_ptr;

		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
			if (!quiet) {
				zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
					ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
			}
			return FAILURE;
		}

		retval = zend_parse_va_args(num_args, p, &va, flags TSRMLS_CC);
		va_end(va);
	}
	return retval;
}
/* }}} */

/* Argument parsing API -- andrei */
ZEND_API int _array_init(zval *arg, uint size ZEND_FILE_LINE_DC) /* {{{ */
{
	ALLOC_HASHTABLE_REL(Z_ARRVAL_P(arg));

	_zend_hash_init(Z_ARRVAL_P(arg), size, NULL, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
	Z_TYPE_P(arg) = IS_ARRAY;
	return SUCCESS;
}
/* }}} */

static int zend_merge_property(zval **value TSRMLS_DC, int num_args, va_list args, const zend_hash_key *hash_key) /* {{{ */
{
	/* which name should a numeric property have ? */
	if (hash_key->nKeyLength) {
		zval *obj = va_arg(args, zval *);
		zend_object_handlers *obj_ht = va_arg(args, zend_object_handlers *);
		zval *member;

		MAKE_STD_ZVAL(member);
		ZVAL_STRINGL(member, hash_key->arKey, hash_key->nKeyLength-1, 1);
		obj_ht->write_property(obj, member, *value TSRMLS_CC);
		zval_ptr_dtor(&member);
	}
	return ZEND_HASH_APPLY_KEEP;
}
/* }}} */

/* This function should be called after the constructor has been called
 * because it may call __set from the uninitialized object otherwise. */
ZEND_API void zend_merge_properties(zval *obj, HashTable *properties, int destroy_ht TSRMLS_DC) /* {{{ */
{
	zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
	zend_class_entry *old_scope = EG(scope);

	EG(scope) = Z_OBJCE_P(obj);
	zend_hash_apply_with_arguments(properties TSRMLS_CC, (apply_func_args_t)zend_merge_property, 2, obj, obj_ht);
	EG(scope) = old_scope;

	if (destroy_ht) {
		zend_hash_destroy(properties);
		FREE_HASHTABLE(properties);
	}
}
/* }}} */

ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
{
	if (!class_type->constants_updated || !CE_STATIC_MEMBERS(class_type)) {
		zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry);
		zend_class_entry *old_scope = *scope;

		*scope = class_type;
		zend_hash_apply_with_argument(&class_type->constants_table, (apply_func_arg_t) zval_update_constant, (void*)1 TSRMLS_CC);
		zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);

		if (!CE_STATIC_MEMBERS(class_type)) {
			HashPosition pos;
			zval **p;

			if (class_type->parent) {
				zend_update_class_constants(class_type->parent TSRMLS_CC);
			}
#if ZTS
			ALLOC_HASHTABLE(CG(static_members)[(zend_intptr_t)(class_type->static_members)]);
#else
			ALLOC_HASHTABLE(class_type->static_members);
#endif
			zend_hash_init(CE_STATIC_MEMBERS(class_type), zend_hash_num_elements(&class_type->default_static_members), NULL, ZVAL_PTR_DTOR, 0);

			zend_hash_internal_pointer_reset_ex(&class_type->default_static_members, &pos);
			while (zend_hash_get_current_data_ex(&class_type->default_static_members, (void**)&p, &pos) == SUCCESS) {
				char *str_index;
				uint str_length;
				ulong num_index;
				zval **q;

				zend_hash_get_current_key_ex(&class_type->default_static_members, &str_index, &str_length, &num_index, 0, &pos);
				if (Z_ISREF_PP(p) &&
					class_type->parent &&
					zend_hash_find(&class_type->parent->default_static_members, str_index, str_length, (void**)&q) == SUCCESS &&
					*p == *q &&
					zend_hash_find(CE_STATIC_MEMBERS(class_type->parent), str_index, str_length, (void**)&q) == SUCCESS
				) {
					Z_ADDREF_PP(q);
					Z_SET_ISREF_PP(q);
					zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)q, sizeof(zval*), NULL);
				} else {
					zval *r;

					ALLOC_ZVAL(r);
					*r = **p;
					INIT_PZVAL(r);
					zval_copy_ctor(r);
					zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)&r, sizeof(zval*), NULL);
				}
				zend_hash_move_forward_ex(&class_type->default_static_members, &pos);
			}
		}
		zend_hash_apply_with_argument(CE_STATIC_MEMBERS(class_type), (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);

		*scope = old_scope;
		class_type->constants_updated = 1;
	}
}
/* }}} */

/* This function requires 'properties' to contain all props declared in the
 * class and all props being public. If only a subset is given or the class
 * has protected members then you need to merge the properties seperately by
 * calling zend_merge_properties(). */
ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zend_object *object;

	if (class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) {
		char *what = class_type->ce_flags & ZEND_ACC_INTERFACE ? "interface" : "abstract class";
		zend_error(E_ERROR, "Cannot instantiate %s %s", what, class_type->name);
	}

	zend_update_class_constants(class_type TSRMLS_CC);

	Z_TYPE_P(arg) = IS_OBJECT;
	if (class_type->create_object == NULL) {
		Z_OBJVAL_P(arg) = zend_objects_new(&object, class_type TSRMLS_CC);
		if (properties) {
			object->properties = properties;
		} else {
			ALLOC_HASHTABLE_REL(object->properties);
			zend_hash_init(object->properties, zend_hash_num_elements(&class_type->default_properties), NULL, ZVAL_PTR_DTOR, 0);
			zend_hash_copy(object->properties, &class_type->default_properties, zval_copy_property_ctor(class_type), (void *) &tmp, sizeof(zval *));
		}
	} else {
		Z_OBJVAL_P(arg) = class_type->create_object(class_type TSRMLS_CC);
	}
	return SUCCESS;
}
/* }}} */

ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
{
	return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
}
/* }}} */

ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
{
	return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
}
/* }}} */

ZEND_API int add_assoc_function(zval *arg, const char *key, void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS)) /* {{{ */
{
	zend_error(E_WARNING, "add_assoc_function() is no longer supported");
	return FAILURE;
}
/* }}} */

ZEND_API int add_assoc_long_ex(zval *arg, const char *key, uint key_len, long n) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_LONG(tmp, n);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_null_ex(zval *arg, const char *key, uint key_len) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_NULL(tmp);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, uint key_len, int b) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_BOOL(tmp, b);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, uint key_len, int r) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_RESOURCE(tmp, r);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_double_ex(zval *arg, const char *key, uint key_len, double d) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_DOUBLE(tmp, d);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, uint key_len, zval *value) /* {{{ */
{
	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_long(zval *arg, ulong index, long n) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_LONG(tmp, n);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_null(zval *arg, ulong index) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_NULL(tmp);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_bool(zval *arg, ulong index, int b) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_BOOL(tmp, b);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_resource(zval *arg, ulong index, int r) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_RESOURCE(tmp, r);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_double(zval *arg, ulong index, double d) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_DOUBLE(tmp, d);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_string(zval *arg, ulong index, const char *str, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_stringl(zval *arg, ulong index, const char *str, uint length, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_index_zval(zval *arg, ulong index, zval *value) /* {{{ */
{
	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &value, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_long(zval *arg, long n) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_LONG(tmp, n);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_null(zval *arg) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_NULL(tmp);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_BOOL(tmp, b);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_resource(zval *arg, int r) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_RESOURCE(tmp, r);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_DOUBLE(tmp, d);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_string(zval *arg, const char *str, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_stringl(zval *arg, const char *str, uint length, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */
{
	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &value, sizeof(zval *), NULL);
}
/* }}} */

ZEND_API int add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str, void **dest, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_get_assoc_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length, void **dest, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_get_index_long(zval *arg, ulong index, long l, void **dest) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_LONG(tmp, l);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_get_index_double(zval *arg, ulong index, double d, void **dest) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_DOUBLE(tmp, d);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_get_index_string(zval *arg, ulong index, const char *str, void **dest, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_get_index_stringl(zval *arg, ulong index, const char *str, uint length, void **dest, int duplicate) /* {{{ */
{
	zval *tmp;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
/* }}} */

ZEND_API int add_property_long_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_LONG(tmp, n);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_bool_ex(zval *arg, const char *key, uint key_len, int b TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_BOOL(tmp, b);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_null_ex(zval *arg, const char *key, uint key_len TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_NULL(tmp);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_resource_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_RESOURCE(tmp, n);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_double_ex(zval *arg, const char *key, uint key_len, double d TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_DOUBLE(tmp, d);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRING(tmp, str, duplicate);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate TSRMLS_DC) /* {{{ */
{
	zval *tmp;
	zval *z_key;

	MAKE_STD_ZVAL(tmp);
	ZVAL_STRINGL(tmp, str, length, duplicate);

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int add_property_zval_ex(zval *arg, const char *key, uint key_len, zval *value TSRMLS_DC) /* {{{ */
{
	zval *z_key;

	MAKE_STD_ZVAL(z_key);
	ZVAL_STRINGL(z_key, key, key_len-1, 1);

	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, value TSRMLS_CC);
	zval_ptr_dtor(&z_key);
	return SUCCESS;
}
/* }}} */

ZEND_API int zend_startup_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
{
	int name_len;
	char *lcname;

	if (module->module_started) {
		return SUCCESS;
	}
	module->module_started = 1;

	/* Check module dependencies */
	if (module->deps) {
		const zend_module_dep *dep = module->deps;

		while (dep->name) {
			if (dep->type == MODULE_DEP_REQUIRED) {
				zend_module_entry *req_mod;

				name_len = strlen(dep->name);
				lcname = zend_str_tolower_dup(dep->name, name_len);

				if (zend_hash_find(&module_registry, lcname, name_len+1, (void**)&req_mod) == FAILURE || !req_mod->module_started) {
					efree(lcname);
					/* TODO: Check version relationship */
					zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name);
					module->module_started = 0;
					return FAILURE;
				}
				efree(lcname);
			}
			++dep;
		}
	}

	/* Initialize module globals */
	if (module->globals_size) {
#ifdef ZTS
		ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor);
#else
		if (module->globals_ctor) {
			module->globals_ctor(module->globals_ptr TSRMLS_CC);
		}
#endif
	}
	if (module->module_startup_func) {
		EG(current_module) = module;
		if (module->module_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
			zend_error(E_CORE_ERROR,"Unable to start %s module", module->name);
			EG(current_module) = NULL;
			return FAILURE;
		}
		EG(current_module) = NULL;
	}
	return SUCCESS;
}
/* }}} */

static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare TSRMLS_DC) /* {{{ */
{
	Bucket **b1 = base;
	Bucket **b2;
	Bucket **end = b1 + count;
	Bucket *tmp;
	zend_module_entry *m, *r;

	while (b1 < end) {
try_again:
		m = (zend_module_entry*)(*b1)->pData;
		if (!m->module_started && m->deps) {
			const zend_module_dep *dep = m->deps;
			while (dep->name) {
				if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) {
					b2 = b1 + 1;
					while (b2 < end) {
						r = (zend_module_entry*)(*b2)->pData;
						if (strcasecmp(dep->name, r->name) == 0) {
							tmp = *b1;
							*b1 = *b2;
							*b2 = tmp;
							goto try_again;
						}
						b2++;
					}
				}
				dep++;
			}
		}
		b1++;
	}
}
/* }}} */

ZEND_API int zend_startup_modules(TSRMLS_D) /* {{{ */
{
	zend_hash_sort(&module_registry, zend_sort_modules, NULL, 0 TSRMLS_CC);
	zend_hash_apply(&module_registry, (apply_func_t)zend_startup_module_ex TSRMLS_CC);
	return SUCCESS;
}
/* }}} */

ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
{
	int name_len;
	char *lcname;
	zend_module_entry *module_ptr;

	if (!module) {
		return NULL;
	}

#if 0
	zend_printf("%s: Registering module %d\n", module->name, module->module_number);
#endif

	/* Check module dependencies */
	if (module->deps) {
		const zend_module_dep *dep = module->deps;

		while (dep->name) {
			if (dep->type == MODULE_DEP_CONFLICTS) {
				name_len = strlen(dep->name);
				lcname = zend_str_tolower_dup(dep->name, name_len);

				if (zend_hash_exists(&module_registry, lcname, name_len+1)) {
					efree(lcname);
					/* TODO: Check version relationship */
					zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name);
					return NULL;
				}
				efree(lcname);
			}
			++dep;
		}
	}

	name_len = strlen(module->name);
	lcname = zend_str_tolower_dup(module->name, name_len);

	if (zend_hash_add(&module_registry, lcname, name_len+1, (void *)module, sizeof(zend_module_entry), (void**)&module_ptr)==FAILURE) {
		zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
		efree(lcname);
		return NULL;
	}
	efree(lcname);
	module = module_ptr;
	EG(current_module) = module;

	if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) {
		EG(current_module) = NULL;
		zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
		return NULL;
	}

	EG(current_module) = NULL;
	return module;
}
/* }}} */

ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module TSRMLS_DC) /* {{{ */
{
	module->module_number = zend_next_free_module();
	module->type = MODULE_PERSISTENT;
	return zend_register_module_ex(module TSRMLS_CC);
}
/* }}} */

ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type TSRMLS_DC) /* {{{ */
{
	char lcname[16];
	int name_len;

	/* we don't care if the function name is longer, in fact lowercasing only
	 * the beginning of the name speeds up the check process */
	name_len = strlen(fptr->common.function_name);
	zend_str_tolower_copy(lcname, fptr->common.function_name, MIN(name_len, sizeof(lcname)-1));
	lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */

	if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME)) && fptr->common.num_args != 0) {
		zend_error(error_type, "Destructor %s::%s() cannot take arguments", ce->name, ZEND_DESTRUCTOR_FUNC_NAME);
	} else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)) && fptr->common.num_args != 0) {
		zend_error(error_type, "Method %s::%s() cannot accept any arguments", ce->name, ZEND_CLONE_FUNC_NAME);
	} else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME))) {
		if (fptr->common.num_args != 1) {
			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_GET_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_GET_FUNC_NAME);
		}
	} else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME))) {
		if (fptr->common.num_args != 2) {
			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_SET_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_SET_FUNC_NAME);
		}
	} else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME))) {
		if (fptr->common.num_args != 1) {
			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_UNSET_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_UNSET_FUNC_NAME);
		}
	} else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME))) {
		if (fptr->common.num_args != 1) {
			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_ISSET_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_ISSET_FUNC_NAME);
		}
	} else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME))) {
		if (fptr->common.num_args != 2) {
			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALL_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALL_FUNC_NAME);
		}
	} else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
		!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
	) {
		if (fptr->common.num_args != 2) {
			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
		}
 	} else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
 		!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
	) {
		zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name, ZEND_TOSTRING_FUNC_NAME);
	}
}
/* }}} */

/* registers all functions in *library_functions in the function hash */
ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC) /* {{{ */
{
	const zend_function_entry *ptr = functions;
	zend_function function, *reg_function;
	zend_internal_function *internal_function = (zend_internal_function *)&function;
	int count=0, unload=0;
	HashTable *target_function_table = function_table;
	int error_type;
	zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL;
	char *lowercase_name;
	int fname_len;
	char *lc_class_name = NULL;
	int class_name_len = 0;

	if (type==MODULE_PERSISTENT) {
		error_type = E_CORE_WARNING;
	} else {
		error_type = E_WARNING;
	}

	if (!target_function_table) {
		target_function_table = CG(function_table);
	}
	internal_function->type = ZEND_INTERNAL_FUNCTION;
	internal_function->module = EG(current_module);

	if (scope) {
		class_name_len = strlen(scope->name);
		if ((lc_class_name = zend_memrchr(scope->name, '\\', class_name_len))) {
			++lc_class_name;
			class_name_len -= (lc_class_name - scope->name);
			lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
		} else {
			lc_class_name = zend_str_tolower_dup(scope->name, class_name_len);
		}
	}

	while (ptr->fname) {
		internal_function->handler = ptr->handler;
		internal_function->function_name = (char*)ptr->fname;
		internal_function->scope = scope;
		internal_function->prototype = NULL;
		if (ptr->arg_info) {
			internal_function->arg_info = (zend_arg_info*)ptr->arg_info+1;
			internal_function->num_args = ptr->num_args;
			/* Currently you cannot denote that the function can accept less arguments than num_args */
			if (ptr->arg_info[0].required_num_args == -1)…