Fixed memory leak

Author: dstogov

ext/date/php_date.c

@@ -1842,6 +1842,7 @@ PHP_FUNCTION(getdate)
 /* define an overloaded iterator structure */
 typedef struct {
 	zend_object_iterator  intern;
+	zval                 *date_period_zval;
 	zval                 *current;
 	php_period_obj       *object;
 	int                   current_index;
@@ -1867,6 +1868,8 @@ static void date_period_it_dtor(zend_object_iterator *iter TSRMLS_DC)
 
 	date_period_it_invalidate_current(iter TSRMLS_CC);
 
+	zval_ptr_dtor(&iterator->date_period_zval);
+
 	efree(iterator);
 }
 /* }}} */
@@ -1980,7 +1983,7 @@ zend_object_iterator *date_object_period_get_iterator(zend_class_entry *ce, zval
     Z_ADDREF_P(object);
     iterator->intern.data = (void*) dpobj;
     iterator->intern.funcs = &date_period_it_funcs;
-    MAKE_STD_ZVAL(iterator->current);
+	iterator->date_period_zval = object;
     iterator->object = dpobj;
     iterator->current = NULL;