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   1  <?php
   2  
   3  /**
   4   * Composite strategy that runs multiple strategies on tokens.
   5   */
   6  abstract class HTMLPurifier_Strategy_Composite extends HTMLPurifier_Strategy
   7  {
   8  
   9      /**
  10       * List of strategies to run tokens through.
  11       * @type HTMLPurifier_Strategy[]
  12       */
  13      protected $strategies = array();
  14  
  15      /**
  16       * @param HTMLPurifier_Token[] $tokens
  17       * @param HTMLPurifier_Config $config
  18       * @param HTMLPurifier_Context $context
  19       * @return HTMLPurifier_Token[]
  20       */
  21      public function execute($tokens, $config, $context)
  22      {
  23          foreach ($this->strategies as $strategy) {
  24              $tokens = $strategy->execute($tokens, $config, $context);
  25          }
  26          return $tokens;
  27      }
  28  }
  29  
  30  // vim: et sw=4 sts=4