MAth-Cloud-3.0.0/api.ipsocloud.com/api/v1/Tools/Random.class.php

<?php

namespace Tools {

  /**
   * 
   */
  class Random {
    /**
     * 
     */
    public static function getString( $length = 8 ) {
      $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
      return substr(str_shuffle($chars),0,$length);
    }

    /**
     * 
     */
    public static function getPlaceholder( $length, $idx ) {
      $suf = (string)$idx;
      $char = '$';
      return str_repeat($char, $length-strlen($suf)).$suf;
    }
  }

}

?>