PHP8 error if dynamix.cfg doesn't exist

emhttp/plugins/gui.search/exec.php

@@ -8,7 +8,7 @@
 @mkdir("/tmp/gui.search");
 
 extract(@parse_ini_file("/boot/config/plugins/dynamix/dynamix.cfg"));
-$locale = $locale ?: "";
+$locale = $locale ?? "";
 if ( $locale != @file_get_contents("/tmp/gui.search/locale") ) {
 	@unlink("/tmp/gui.search/searchResults.json");
 }
@@ -143,4 +143,4 @@ function endsWith($string, $endString) {
 	}
 	return (substr($string, -$len) === $endString);
 }
-?>
+?>