symfony
diff --git a/‎Mbstring.php
Copy file name to clipboardExpand all lines: Mbstring.php
+3Lines changed: 3 additions & 0 deletions b/‎Mbstring.php
Copy file name to clipboardExpand all lines: Mbstring.php
+3Lines changed: 3 additions & 0 deletions
@@ -602,6 +602,9 @@ public static function mb_substitute_character($c = null)
         if (80000 > \PHP_VERSION_ID) {
             return false;
         }
+        if (\is_int($c) || 'long' === $c || 'entity' === $c) {
+            return false;
+        }
 
         throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint');
     }
Original file line number	Diff line number	Diff line change
`@@ -602,6 +602,9 @@ public static function mb_substitute_character($c = null)`
`602`	`602`	`if (80000 > \PHP_VERSION_ID) {`
`603`	`603`	`return false;`
`604`	`604`	`}`
	`605`	`+ if (\is_int($c) \|\| 'long' === $c \|\| 'entity' === $c) {`
	`606`	`+ return false;`
	`607`	`+ }`
`605`	`608`
`606`	`609`	`throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint');`
`607`	`610`	`}`