Correct string to nullable type

3 years ago · d2d7c8639c
parent 742f96a958
commit d2d7c8639c
1 changed files with 1 additions and 1 deletions
--- a/php/utils/utils.php
+++ b/php/utils/utils.php
@ -152,7 +152,7 @@
 	 * Convert special characters to html entities.
 	 */
 	function html_sanitize(
-		string $str, int $flags = ENT_QUOTES|ENT_SUBSTITUTE,
+		?string $str, int $flags = ENT_QUOTES|ENT_SUBSTITUTE,
 		?string $encoding = null, bool $double_encode = true
 	) {
 		if ($str == "") {