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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Interface implemented by extension classes.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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interface Twig_ExtensionInterface
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{
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/**
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* Initializes the runtime environment.
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*
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* This is where you can load some file that contains filter functions for instance.
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*
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* @param Twig_Environment $environment The current Twig_Environment instance
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*
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* @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_InitRuntimeInterface instead
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*/
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public function initRuntime(Twig_Environment $environment);
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/**
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* Returns the token parser instances to add to the existing list.
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*
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* @return Twig_TokenParserInterface[]
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*/
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public function getTokenParsers();
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/**
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* Returns the node visitor instances to add to the existing list.
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*
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* @return Twig_NodeVisitorInterface[] An array of Twig_NodeVisitorInterface instances
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*/
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public function getNodeVisitors();
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/**
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* Returns a list of filters to add to the existing list.
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*
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* @return Twig_SimpleFilter[]
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*/
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public function getFilters();
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/**
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* Returns a list of tests to add to the existing list.
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*
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* @return Twig_SimpleTest[]
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*/
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public function getTests();
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/**
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* Returns a list of functions to add to the existing list.
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*
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* @return Twig_SimpleFunction[]
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*/
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public function getFunctions();
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/**
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* Returns a list of operators to add to the existing list.
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*
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* @return array An array of operators
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*/
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public function getOperators();
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/**
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* Returns a list of global variables to add to the existing list.
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*
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* @return array An array of global variables
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*
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* @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_GlobalsInterface instead
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*/
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public function getGlobals();
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/**
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* Returns the name of the extension.
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*
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* @return string The extension name
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*/
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public function getName();
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}
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