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Function.php (1849B)

      1 <?php
      2 
      3 /*
      4  * This file is part of Twig.
      5  *
      6  * (c) 2010 Fabien Potencier
      7  *
      8  * For the full copyright and license information, please view the LICENSE
      9  * file that was distributed with this source code.
     10  */
     11 
     12 @trigger_error('The Twig_Function class is deprecated since version 1.12 and will be removed in 2.0. Use Twig_SimpleFunction instead.', E_USER_DEPRECATED);
     13 
     14 /**
     15  * Represents a template function.
     16  *
     17  * Use Twig_SimpleFunction instead.
     18  *
     19  * @author Fabien Potencier <fabien@symfony.com>
     20  *
     21  * @deprecated since 1.12 (to be removed in 2.0)
     22  */
     23 abstract class Twig_Function implements Twig_FunctionInterface, Twig_FunctionCallableInterface
     24 {
     25     protected $options;
     26     protected $arguments = array();
     27 
     28     public function __construct(array $options = array())
     29     {
     30         $this->options = array_merge(array(
     31             'needs_environment' => false,
     32             'needs_context' => false,
     33             'callable' => null,
     34         ), $options);
     35     }
     36 
     37     public function setArguments($arguments)
     38     {
     39         $this->arguments = $arguments;
     40     }
     41 
     42     public function getArguments()
     43     {
     44         return $this->arguments;
     45     }
     46 
     47     public function needsEnvironment()
     48     {
     49         return $this->options['needs_environment'];
     50     }
     51 
     52     public function needsContext()
     53     {
     54         return $this->options['needs_context'];
     55     }
     56 
     57     public function getSafe(Twig_Node $functionArgs)
     58     {
     59         if (isset($this->options['is_safe'])) {
     60             return $this->options['is_safe'];
     61         }
     62 
     63         if (isset($this->options['is_safe_callback'])) {
     64             return call_user_func($this->options['is_safe_callback'], $functionArgs);
     65         }
     66 
     67         return array();
     68     }
     69 
     70     public function getCallable()
     71     {
     72         return $this->options['callable'];
     73     }
     74 }