php-sucks.php

<?php
  /*
    Plugin Name: PHP Sucks
    Description: Missing PHP functions
    Version: 1.0
  */

  namespace PHPSucks {
    class Arr {
      static function reject($fcn, $arr) {
        foreach($arr as $i=>$v) if($fcn($v)) unset($arr[$i]);

        return array_values($arr);
      }
    }
  }