classes/plugins/HookRegistry.inc.php

<?php

// $Id: HookRegistry.inc.php,v 1.11 2008/07/01 01:16:10 asmecher Exp $


class HookRegistry {
   function &getHooks() {
      static $hooks = array();
      return $hooks;
   }

   function setHooks($hookName, $hooks) {
      $hooks = &HookRegistry::getHooks();
      $hooks[$hookName] =& $hooks;
   }

   function clear($hookName) {
      $hooks = &HookRegistry::getHooks();
      unset($hooks[$hookName]);
      return $hooks;
   }

   function register($hookName, $callback) {
      $hooks = &HookRegistry::getHooks();
      if (!isset($hooks[$hookName])) {
         $hooks[$hookName] = array();
      }
      $hooks[$hookName][] =& $callback;
   }

   function call($hookName, $args = null) {
      $hooks = &HookRegistry::getHooks();
      if (!isset($hooks[$hookName])) {
         return false;
      }

      foreach ($hooks[$hookName] as $hook) {
         if ($result = call_user_func($hook, $hookName, $args)) {
            break;
         }
      }

      return $result;
   }
}

?>

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