Fix STR_OR_OBJ_OF_TYPE stringable handling

Author: nikic

Zend/tests/str_or_obj_of_class_zpp.phpt

@@ -8,11 +8,17 @@ if (!extension_loaded('zend-test')) die('skip zend-test extension not loaded');
 <?php
 
 class Foo {}
+class ToString {
+    public function __toString() {
+        return "ToString";
+    }
+}
 
 var_dump(zend_string_or_stdclass("string"));
 var_dump(zend_string_or_stdclass(1));
 var_dump(zend_string_or_stdclass(null));
 var_dump(zend_string_or_stdclass(new stdClass()));
+var_dump(zend_string_or_stdclass(new ToString()));
 
 try {
     zend_string_or_stdclass([]);
@@ -30,6 +36,7 @@ var_dump(zend_string_or_stdclass_or_null("string"));
 var_dump(zend_string_or_stdclass_or_null(1));
 var_dump(zend_string_or_stdclass_or_null(null));
 var_dump(zend_string_or_stdclass_or_null(new stdClass()));
+var_dump(zend_string_or_stdclass_or_null(new ToString()));
 
 try {
     zend_string_or_stdclass_or_null([]);
@@ -50,12 +57,14 @@ string(1) "1"
 string(0) ""
 object(stdClass)#1 (0) {
 }
+string(8) "ToString"
 zend_string_or_stdclass(): Argument #1 ($param) must be of type stdClass|string, array given
 zend_string_or_stdclass(): Argument #1 ($param) must be of type stdClass|string, Foo given
 string(6) "string"
 string(1) "1"
 NULL
 object(stdClass)#1 (0) {
 }
+string(8) "ToString"
 zend_string_or_stdclass_or_null(): Argument #1 ($param) must be of type stdClass|string|null, array given
 zend_string_or_stdclass_or_null(): Argument #1 ($param) must be of type stdClass|string|null, Foo given

Zend/zend_API.h

@@ -2014,24 +2014,15 @@ static zend_always_inline int zend_parse_arg_str_or_obj(
 	zval *arg, zend_string **destination_string, zend_object **destination_object, zend_class_entry *base_ce, int allow_null
 ) {
 	if (EXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) {
-		if (base_ce && UNEXPECTED(!instanceof_function(Z_OBJCE_P(arg), base_ce))) {
-			return 0;
+		if (!base_ce || EXPECTED(instanceof_function(Z_OBJCE_P(arg), base_ce))) {
+			*destination_string = NULL;
+			*destination_object = Z_OBJ_P(arg);
+			return 1;
 		}
-
-		*destination_string = NULL;
-		*destination_object = Z_OBJ_P(arg);
-	} else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
-		*destination_string = Z_STR_P(arg);
-		*destination_object = NULL;
-	} else if (allow_null && EXPECTED(Z_TYPE_P(arg) == IS_NULL)) {
-		*destination_string = NULL;
-		*destination_object = NULL;
-	} else {
-		*destination_object = NULL;
-		return zend_parse_arg_str_slow(arg, destination_string);
 	}
 
-	return 1;
+	*destination_object = NULL;
+	return zend_parse_arg_str(arg, destination_string, allow_null);
 }
 
 END_EXTERN_C()