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/se3master/var/www/se3/includes/library/HTMLPurifier/ -> StringHash.php (source)

   1  <?php
   2  
   3  /**
   4   * This is in almost every respect equivalent to an array except
   5   * that it keeps track of which keys were accessed.
   6   *
   7   * @warning For the sake of backwards compatibility with early versions
   8   *     of PHP 5, you must not use the $hash[$key] syntax; if you do
   9   *     our version of offsetGet is never called.
  10   */
  11  class HTMLPurifier_StringHash extends ArrayObject
  12  {
  13      /**
  14       * @type array
  15       */
  16      protected $accessed = array();
  17  
  18      /**
  19       * Retrieves a value, and logs the access.
  20       * @param mixed $index
  21       * @return mixed
  22       */
  23      public function offsetGet($index)
  24      {
  25          $this->accessed[$index] = true;
  26          return parent::offsetGet($index);
  27      }
  28  
  29      /**
  30       * Returns a lookup array of all array indexes that have been accessed.
  31       * @return array in form array($index => true).
  32       */
  33      public function getAccessed()
  34      {
  35          return $this->accessed;
  36      }
  37  
  38      /**
  39       * Resets the access array.
  40       */
  41      public function resetAccessed()
  42      {
  43          $this->accessed = array();
  44      }
  45  }
  46  
  47  // vim: et sw=4 sts=4


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