temp: set zval empty string

youkidearitai · youkidearitai · commit 27f43f006a13 · 2023-11-21T20:25:33.000+09:00
diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
@@ -2974,6 +2974,7 @@ static zend_string* trim_each_wchar(zend_string *str, zend_string *what, MB_TRIM
 
 	HashTable what_ht;
 	zval val;
+	ZVAL_EMPTY_STRING(&val);
 	zend_hash_init(&what_ht, what_len, NULL, NULL, false);
 
 	while (what_len) {
