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- Allow to convert Traversable into Aggregate

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This commit is contained in:
Marcus Boerger 2005-02-23 01:09:10 +00:00
parent 5f1c3f4a7e
commit 72c1baa9d8
1 changed files with 16 additions and 2 deletions
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18
Zend/zend_interfaces.c
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@ -316,13 +316,27 @@ static int zend_implement_traversable(zend_class_entry *interface, zend_class_en
/* {{{ zend_implement_aggregate */
static int zend_implement_aggregate(zend_class_entry *interface, zend_class_entry *class_type TSRMLS_DC)
{
int i, t = -1;
if (class_type->get_iterator) {
if (class_type->type == ZEND_INTERNAL_CLASS) {
/* inheritance ensures the class has necessary userland methods */
return SUCCESS;
} else if (class_type->get_iterator != zend_user_it_get_new_iterator) {
/* c-level get_iterator cannot be changed */
return FAILURE;
/* c-level get_iterator cannot be changed (exception being only Traversable is implmented) */
if (class_type->num_interfaces) {
for (i = 0; i < class_type->num_interfaces; i++) {
if (class_type->interfaces[i] == zend_ce_iterator) {
return FAILURE;
}
if (class_type->interfaces[i] == zend_ce_traversable) {
t = i;
}
}
}
if (t == -1) {
return FAILURE;
}
}
}
class_type->iterator_funcs.zf_new_iterator = NULL;