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zend_builtin_functions.c
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zend_builtin_functions.c
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2009 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_API.h"
#include "zend_builtin_functions.h"
#include "zend_constants.h"
#include "zend_ini.h"
#include "zend_exceptions.h"
#include "zend_extensions.h"
#undef ZEND_TEST_EXCEPTIONS
static ZEND_FUNCTION(zend_version);
static ZEND_FUNCTION(func_num_args);
static ZEND_FUNCTION(func_get_arg);
static ZEND_FUNCTION(func_get_args);
static ZEND_FUNCTION(strlen);
static ZEND_FUNCTION(strcmp);
static ZEND_FUNCTION(strncmp);
static ZEND_FUNCTION(strcasecmp);
static ZEND_FUNCTION(strncasecmp);
static ZEND_FUNCTION(each);
static ZEND_FUNCTION(error_reporting);
static ZEND_FUNCTION(define);
static ZEND_FUNCTION(defined);
static ZEND_FUNCTION(get_class);
static ZEND_FUNCTION(get_parent_class);
static ZEND_FUNCTION(method_exists);
static ZEND_FUNCTION(property_exists);
static ZEND_FUNCTION(class_exists);
static ZEND_FUNCTION(interface_exists);
static ZEND_FUNCTION(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)
ZEND_FE(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(property_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 = (int)(zend_uintptr_t) *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((long)(zend_uintptr_t) *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_LVAL_PP(z_requested_offset);
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 = (int)(zend_uintptr_t) *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 = (int)(zend_uintptr_t) *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);
INIT_PZVAL(return_value);
}
/* }}} */
/* {{{ proto array func_get_args()
Get an array of the arguments that were passed to the function */
ZEND_FUNCTION(func_get_args)
{
void **p;
int arg_count;
int i;
p = EG(argument_stack).top_element-1-1;
arg_count = (int)(zend_uintptr_t) *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 = (int)(zend_uintptr_t) *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_FUNCTION(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(Z_STRLEN_PP(str));
}
/* }}} */
/* {{{ 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);
if (Z_LVAL_PP(s3) < 0) {
zend_error(E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
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);
if (Z_LVAL_PP(s3) < 0) {
zend_error(E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
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)
{
char *name;
int name_len;
zval *val;
zval *val_free = NULL;
zend_bool non_cs = 0;
int case_sensitive = CONST_CS;
zend_constant c;
char *p;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|b", &name, &name_len, &val, &non_cs) == FAILURE) {
return;
}
if(non_cs) {
case_sensitive = 0;
}
/* class constant, check if there is name and make sure class is valid & exists */
if ((p = zend_memnstr(name, "::", sizeof("::") - 1, name + name_len))) {
char *class_name;
int found;
zend_class_entry **ce;
ALLOCA_FLAG(use_heap)
if (p == (name + name_len - sizeof("::") + 1)) {
zend_error(E_WARNING, "Class constant must have a name");
RETURN_FALSE;
} else if (p == name) {
zend_error(E_WARNING, "Missing class name");
RETURN_FALSE;
}
class_name = do_alloca_with_limit((p - name + 1), use_heap);
zend_str_tolower_copy(class_name, name, (p - name));
found = zend_hash_find(EG(class_table), class_name, p - name + 1, (void **) &ce);
if (found != SUCCESS) {
zend_error(E_WARNING, "Class '%s' does not exist", class_name);
free_alloca_with_limit(class_name, use_heap);
RETURN_FALSE;
}
free_alloca_with_limit(class_name, use_heap);
}
repeat:
switch (Z_TYPE_P(val)) {
case IS_LONG:
case IS_DOUBLE:
case IS_STRING:
case IS_BOOL:
case IS_RESOURCE:
case IS_NULL:
break;
case IS_OBJECT:
if (!val_free) {
if (Z_OBJ_HT_P(val)->get) {
val_free = val = Z_OBJ_HT_P(val)->get(val TSRMLS_CC);
goto repeat;
} else if (Z_OBJ_HT_P(val)->cast_object) {
ALLOC_INIT_ZVAL(val_free);
if (Z_OBJ_HT_P(val)->cast_object(val, val_free, IS_STRING TSRMLS_CC) == SUCCESS) {
val = val_free;
break;
}
}
}
/* no break */
default:
zend_error(E_WARNING,"Constants may only evaluate to scalar values");
if (val_free) {
zval_ptr_dtor(&val_free);
}
RETURN_FALSE;
}
c.value = *val;
zval_copy_ctor(&c.value);
if (val_free) {
zval_ptr_dtor(&val_free);
}
c.flags = case_sensitive; /* non persistent */
c.name = zend_strndup(name, name_len);
c.name_len = name_len+1;
c.module_number = PHP_USER_CONSTANT;
if (zend_register_constant(&c TSRMLS_CC) == SUCCESS) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool defined(string constant_name)
Check whether a constant exists */
ZEND_FUNCTION(defined)
{
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(Z_STRVAL_PP(var), Z_STRLEN_PP(var), &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;
int dup;
if (!ZEND_NUM_ARGS()) {
if (EG(scope)) {
RETURN_STRINGL(EG(scope)->name, EG(scope)->name_length, 1);
} else {
zend_error(E_WARNING, "get_class() called without object from outside a class");
RETURN_FALSE;
}
}
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;
}
dup = zend_get_object_classname(*arg, &name, &name_len TSRMLS_CC);
RETURN_STRINGL(name, name_len, dup);
}
/* }}} */
/* {{{ proto string get_parent_class([mixed object])
Retrieves the parent class name for object or class or current scope. */
ZEND_FUNCTION(get_parent_class)
{
zval **arg;
zend_class_entry *ce = NULL;
char *name;
zend_uint name_length;
if (!ZEND_NUM_ARGS()) {
ce = EG(scope);
if (ce && ce->parent) {
RETURN_STRINGL(ce->parent->name, ce->parent->name_length, 1);
} else {
RETURN_FALSE;
}
}
if (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_ex(Z_STRVAL_PP(class_name), Z_STRLEN_PP(class_name), 0, &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)
{
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;
int prop_name_len = 0;
zval *prop_copy;
zend_property_info *property_info;
zval zprop_name;
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, key_len-1, &class_name, &prop_name);
prop_name_len = strlen(prop_name);
ZVAL_STRINGL(&zprop_name, prop_name, prop_name_len, 0);
property_info = zend_get_property_info(ce, &zprop_name, 1 TSRMLS_CC);
if (!property_info || property_info == &EG(std_property_info)) {
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);
zend_update_class_constants(*pce TSRMLS_CC);
add_class_vars(*pce, &(*pce)->default_properties, return_value TSRMLS_CC);
add_class_vars(*pce, CE_STATIC_MEMBERS(*pce), 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;
zend_object *zobj;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &obj) == FAILURE) {
ZEND_WRONG_PARAM_COUNT();
}
if (Z_TYPE_PP(obj) != IS_OBJECT) {
RETURN_FALSE;
}
if (Z_OBJ_HT_PP(obj)->get_properties == NULL) {
RETURN_FALSE;
}
properties = Z_OBJ_HT_PP(obj)->get_properties(*obj TSRMLS_CC);
if (properties == NULL) {
RETURN_FALSE;
}
zobj = zend_objects_get_address(*obj TSRMLS_CC);
array_init(return_value);
zend_hash_internal_pointer_reset_ex(properties, &pos);
while (zend_hash_get_current_data_ex(properties, (void **) &value, &pos) == SUCCESS) {
if (zend_hash_get_current_key_ex(properties, &key, &key_len, &num_index, 0, &pos) == HASH_KEY_IS_STRING) {
if (zend_check_property_access(zobj, key, key_len-1 TSRMLS_CC) == SUCCESS) {
zend_unmangle_property_name(key, key_len-1, &class_name, &prop_name);
/* Not separating references */
(*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;
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();
}
array_init(return_value);
zend_hash_internal_pointer_reset_ex(&ce->function_table, &pos);
while (zend_hash_get_current_data_ex(&ce->function_table, (void **) &mptr, &pos) == SUCCESS) {
if ((mptr->common.fn_flags & ZEND_ACC_PUBLIC)
|| (EG(scope) &&
(((mptr->common.fn_flags & ZEND_ACC_PROTECTED) &&
zend_check_protected(mptr->common.scope, EG(scope)))
|| ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) &&
EG(scope) == mptr->common.scope)))) {
char *key;
uint key_len;
ulong num_index;
uint len = strlen(mptr->common.function_name);
/* Do not display old-style inherited constructors */
if ((mptr->common.fn_flags & ZEND_ACC_CTOR) == 0 ||
mptr->common.scope == ce ||
zend_hash_get_current_key_ex(&ce->function_table, &key, &key_len, &num_index, 0, &pos) != HASH_KEY_IS_STRING ||
zend_binary_strcasecmp(key, key_len-1, mptr->common.function_name, len) == 0) {
MAKE_STD_ZVAL(method_name);
ZVAL_STRINGL(method_name, mptr->common.function_name, len, 1);
zend_hash_next_index_insert(return_value->value.ht, &method_name, sizeof(zval *), NULL);
}
}
zend_hash_move_forward_ex(&ce->function_table, &pos);
}
}
/* }}} */
/* {{{ proto bool method_exists(object object, string method)
Checks if the class method exists */
ZEND_FUNCTION(method_exists)
{
zval **klass, **method_name;
char *lcname;
zend_class_entry * ce, **pce;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &klass, &method_name)==FAILURE) {
ZEND_WRONG_PARAM_COUNT();
}
if (Z_TYPE_PP(klass) == IS_OBJECT) {
ce = Z_OBJCE_PP(klass);
} else if (Z_TYPE_PP(klass) == IS_STRING) {
if (zend_lookup_class(Z_STRVAL_PP(klass), Z_STRLEN_PP(klass), &pce TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
}
ce = *pce;
} else {
RETURN_FALSE;
}
convert_to_string_ex(method_name);
lcname = zend_str_tolower_dup(Z_STRVAL_PP(method_name), Z_STRLEN_PP(method_name));
if (zend_hash_exists(&ce->function_table, lcname, Z_STRLEN_PP(method_name)+1)) {
efree(lcname);
RETURN_TRUE;
} else {
union _zend_function *func = NULL;
efree(lcname);
if (Z_TYPE_PP(klass) == IS_OBJECT
&& Z_OBJ_HT_PP(klass)->get_method != NULL
&& (func = Z_OBJ_HT_PP(klass)->get_method(klass, Z_STRVAL_PP(method_name), Z_STRLEN_PP(method_name) TSRMLS_CC)) != NULL
) {
if (func->type == ZEND_INTERNAL_FUNCTION
&& ((zend_internal_function*)func)->handler == zend_std_call_user_call
) {
efree(((zend_internal_function*)func)->function_name);
efree(func);
RETURN_FALSE;
}
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool property_exists(mixed object_or_class, string property_name)
Checks if the object or class has a property */
ZEND_FUNCTION(property_exists)
{
zval **object, **property;
zend_class_entry *ce, **pce;
zend_property_info *property_info;
char *prop_name, *class_name;
if (ZEND_NUM_ARGS()!= 2 || zend_get_parameters_ex(2, &object, &property)==FAILURE) {
ZEND_WRONG_PARAM_COUNT();
}
convert_to_string_ex(property);
if (!Z_STRLEN_PP(property)) {
RETURN_FALSE;
}
switch((*object)->type) {
case IS_STRING:
if (!Z_STRLEN_PP(object)) {
RETURN_FALSE;
}
if (zend_lookup_class(Z_STRVAL_PP(object), Z_STRLEN_PP(object), &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
} else {
RETURN_FALSE;
}
if (!ce) {
RETURN_NULL();
}
if (!(property_info = zend_get_property_info(ce, *property, 1 TSRMLS_CC)) || property_info == &EG(std_property_info)) {
RETURN_FALSE;
}
if (property_info->flags & ZEND_ACC_PUBLIC) {
RETURN_TRUE;
}
zend_unmangle_property_name(property_info->name, property_info->name_length, &class_name, &prop_name);
if (!strncmp(class_name, "*", 1)) {
if (instanceof_function(EG(scope), ce TSRMLS_CC) ||