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ExtensionInterface.php (2325B)

      1 <?php
      2 
      3 /*
      4  * This file is part of Twig.
      5  *
      6  * (c) 2009 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 /**
     13  * Interface implemented by extension classes.
     14  *
     15  * @author Fabien Potencier <fabien@symfony.com>
     16  */
     17 interface Twig_ExtensionInterface
     18 {
     19     /**
     20      * Initializes the runtime environment.
     21      *
     22      * This is where you can load some file that contains filter functions for instance.
     23      *
     24      * @param Twig_Environment $environment The current Twig_Environment instance
     25      *
     26      * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_InitRuntimeInterface instead
     27      */
     28     public function initRuntime(Twig_Environment $environment);
     29 
     30     /**
     31      * Returns the token parser instances to add to the existing list.
     32      *
     33      * @return Twig_TokenParserInterface[]
     34      */
     35     public function getTokenParsers();
     36 
     37     /**
     38      * Returns the node visitor instances to add to the existing list.
     39      *
     40      * @return Twig_NodeVisitorInterface[] An array of Twig_NodeVisitorInterface instances
     41      */
     42     public function getNodeVisitors();
     43 
     44     /**
     45      * Returns a list of filters to add to the existing list.
     46      *
     47      * @return Twig_SimpleFilter[]
     48      */
     49     public function getFilters();
     50 
     51     /**
     52      * Returns a list of tests to add to the existing list.
     53      *
     54      * @return Twig_SimpleTest[]
     55      */
     56     public function getTests();
     57 
     58     /**
     59      * Returns a list of functions to add to the existing list.
     60      *
     61      * @return Twig_SimpleFunction[]
     62      */
     63     public function getFunctions();
     64 
     65     /**
     66      * Returns a list of operators to add to the existing list.
     67      *
     68      * @return array An array of operators
     69      */
     70     public function getOperators();
     71 
     72     /**
     73      * Returns a list of global variables to add to the existing list.
     74      *
     75      * @return array An array of global variables
     76      *
     77      * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_GlobalsInterface instead
     78      */
     79     public function getGlobals();
     80 
     81     /**
     82      * Returns the name of the extension.
     83      *
     84      * @return string The extension name
     85      */
     86     public function getName();
     87 }