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- Add property_exits()

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This commit is contained in:
Marcus Boerger 2005-04-08 13:33:15 +00:00
parent adb3d0197e
commit 32182b190a
1 changed files with 59 additions and 0 deletions
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59
Zend/zend_builtin_functions.c
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@ -43,6 +43,7 @@ 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);
@ -102,6 +103,7 @@ static zend_function_entry builtin_functions[] = {
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)
@ -889,6 +891,63 @@ ZEND_FUNCTION(method_exists)
}
/* }}} */
/* {{{ 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);
switch((*object)->type) {
case IS_STRING:
if (zend_lookup_class(Z_STRVAL_PP(object), Z_STRLEN_PP(object), &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
}
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, &class_name, &prop_name);
if (!strncmp(class_name, "*", 1)) {
if (instanceof_function(EG(scope), ce TSRMLS_CC)) {
RETURN_TRUE;
}
RETURN_FALSE;
}
if (zend_lookup_class(Z_STRVAL_PP(object), Z_STRLEN_PP(object), &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
} else {
RETURN_FALSE; /* shouldn't happen */
}
RETURN_BOOL(EG(scope) == ce);
RETURN_FALSE;
case IS_OBJECT:
if (Z_OBJ_HANDLER_PP(object, has_property) && Z_OBJ_HANDLER_PP(object, has_property)(*object, *property, 1 TSRMLS_CC)) {
RETURN_TRUE;
}
RETURN_FALSE;
default:
zend_error(E_WARNING, "Parameter must either be an object or the name of an existing class");
RETURN_NULL();
}
}
/* }}} */
/* {{{ proto bool class_exists(string classname [, bool autoload])
Checks if the class exists */
ZEND_FUNCTION(class_exists)