Initial commit

services/wanderer/app/application/utils/util.php

@@ -0,0 +1,23 @@
+<?php
+namespace Utils;
+class Util {
+
+    public function isAlphaNumeric($str){
+
+        return preg_match("/^[a-zA-Z0-9]+$/", $str) ? true : false;
+
+    }
+    public function alphaNumeric($str, $default = ''){
+
+        return preg_match("/^[a-zA-Z0-9]+$/", $str) ? $str : $default;
+
+    }
+
+    public function alertExit($str, $back = 1){
+        echo "<script>alert(`$str`); window.location.href = '/';</script>; if($back) history.back();";
+        ;
+        exit();
+
+    }
+
+}