If String Contains

gistfile1.aw

<?php

 if(!function_exists('if_string_contains'))
 { 
   function if_string_contains($needle,$haystack) {

      if (is_array($needle)) {
          foreach ($needle as $n) {
              if (strpos($haystack, $n) !== false) {
                  return true;
              }
          }
      } else {
          return strpos($haystack, $needle) !== false;
      }

      return false;
   }
}