File indexing completed on 2024-12-22 05:36:22

 <?php
 
 /**
  * This is in almost every respect equivalent to an array except
  * that it keeps track of which keys were accessed.
  *
  * @warning For the sake of backwards compatibility with early versions
  *     of PHP 5, you must not use the $hash[$key] syntax; if you do
  *     our version of offsetGet is never called.
  */
 class HTMLPurifier_StringHash extends ArrayObject
 {
     /**
      * @type array
      */
     protected $accessed = array();
 
     /**
      * Retrieves a value, and logs the access.
      * @param mixed $index
      * @return mixed
      */
     public function offsetGet($index)
     {
         $this->accessed[$index] = true;
         return parent::offsetGet($index);
     }
 
     /**
      * Returns a lookup array of all array indexes that have been accessed.
      * @return array in form array($index => true).
      */
     public function getAccessed()
     {
         return $this->accessed;
     }
 
     /**
      * Resets the access array.
      */
     public function resetAccessed()
     {
         $this->accessed = array();
     }
 }
 
 // vim: et sw=4 sts=4