remove mixed type hints from function arguments because we still support PHP7

1 files changed, 1 insertions, 1 deletions

diff --git a/init.php b/init.php
index be87e61..471b221 100644
--- a/init.php
+++ b/init.php
@@ -17,7 +17,7 @@ class Hotkeys_Ru extends Plugin {
 	 * @param string $to
 	 * @return string
 	 */
-	private function mb_strtr(string $str, mixed $from, string $to) : string {
+	private function mb_strtr(string $str, $from, string $to) : string {
 		$keys = [];
 		$values = [];