1. sfCallable.class.php
  2. /**
 * sfCallable represents a PHP callable.
 *
 * @package    symfony
 * @subpackage util
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfCallable.class.php 21875 2009-09-11 05:54:39Z fabien $
 */
  3. class sfCallable
  4. {
  5.   protected
  6.     $callable = null;
  8.   /**
  9.    * Constructor.
  10.    *
  11.    * @param mixed $callable  A valid PHP callable (must be valid when calling the call() method)
  12.    */
  13.   public function __construct($callable)
  14.   {
  15.     $this->callable = $callable;
  16.   }
  18.   /**
  19.    * Returns the current callable.
  20.    *
  21.    * @return mixed The current callable
  22.    */
  23.   public function getCallable()
  24.   {
  25.     return $this->callable;
  26.   }
  28.   /**
  29.    * Calls the current callable with the given arguments.
  30.    *
  31.    * The callable is called with the arguments given to this method.
  32.    *
  33.    * This method throws an exception if the callable is not valid.
  34.    * This check is not done during the object construction to allow
  35.    * you to load the callable as late as possible.
  36.    */
  37.   public function call()
  38.   {
  39.     if (!is_callable($this->callable))
  40.     {
  41.       throw new sfException(sprintf('"%s" is not a valid callable.', is_array($this->callable) ? sprintf('%s:%s', is_object($this->callable[0]) ? get_class($this->callable[0]) : $this->callable[0], $this->callable[1]) : (is_object($this->callable) ? sprintf('Object(%s)', get_class($this->callable)) : var_export($this->callable, true))));
  42.     }
  44.     $arguments = func_get_args();
  46.     return call_user_func_array($this->callable, $arguments);
  47.   }
  48. }
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