library/HTMLPurifier/ConfigSchema/Validator/Exists.php

   1 <?php
   2
   3 /**
   4  * Validates that an field exists in the array
   5  */
   6 class HTMLPurifier_ConfigSchema_Validator_Exists extends HTMLPurifier_ConfigSchema_Validator
   7 {
   8
   9     protected $index;
  10
  11     public function __construct($index) {
  12         $this->index = $index;
  13     }
  14
  15     public function validate(&$arr, $interchange) {
  16         if (empty($arr[$this->index])) {
  17             $this->error($this->index . ' must exist');
  18         }
  19     }
  20
  21 }