library/HTMLPurifier/IDAccumulator.php

   1 <?php
   2
   3 /**
   4  * Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes
   5  * @note In Slashdot-speak, dupe means duplicate.
   6  * @note This class does not accept $config or $context, thus, it is the
   7  *       burden of the callee to register the appropriate errors or
   8  *       configuration.
   9  */
  10 class HTMLPurifier_IDAccumulator
  11 {
  12
  13     /**
  14      * Lookup table of IDs we've accumulated.
  15      * @public
  16      */
  17     var $ids = array();
  18
  19     /**
  20      * Add an ID to the lookup table.
  21      * @param $id ID to be added.
  22      * @return Bool status, true if success, false if there's a dupe
  23      */
  24     function add($id) {
  25         if (isset($this->ids[$id])) return false;
  26         return $this->ids[$id] = true;
  27     }
  28
  29     /**
  30      * Load a list of IDs into the lookup table
  31      * @param $array_of_ids Array of IDs to load
  32      * @note This function doesn't care about duplicates
  33      */
  34     function load($array_of_ids) {
  35         foreach ($array_of_ids as $id) {
  36             $this->ids[$id] = true;
  37         }
  38     }
  39
  40 }
  41