Add function parameter and return types

diff --git a/Utils/Slugger.php b/Utils/Slugger.php
index 217251511d0a204549d83db6ec9c79b5ffbe4476..8a2856dbede56b0b19e63fa9ef92906455531af5 100644 (file)
--- a/Utils/Slugger.php
+++ b/Utils/Slugger.php
@@ -66,7 +66,7 @@ class Slugger {
        }
 
        //Short the string
-       public function short($string) {
+       public function short(string $string): string {
                //Return string
                $ret = '';
 
@@ -83,7 +83,7 @@ class Slugger {
        }
 
        //Unshort the string
-       public function unshort($string) {
+       public function unshort(string $string): string {
                //Return string
                $ret = '';
 
@@ -98,12 +98,12 @@ class Slugger {
        }
 
        //Crypt and base64uri encode string
-       public function hash($string) {
+       public function hash(string $string): string {
                return str_replace(['+','/'], ['-','_'], base64_encode(crypt($string, $this->secret)));
        }
 
        //Convert string to safe slug
-       function slug($string) {
+       function slug(string $string): string {
                return preg_replace('/[\/_|+ -]+/', '-', strtolower(trim(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $string))), '-')));
        }
 }