*/ interface ExtensionInterface { /** * Initializes the runtime environment. * * This is where you can load some file that contains filter functions for instance. * * @deprecated since 1.23 (to be removed in 2.0), implement \Twig_Extension_InitRuntimeInterface instead */ public function initRuntime(Environment $environment); /** * Returns the token parser instances to add to the existing list. * * @return TokenParserInterface[] */ public function getTokenParsers(); /** * Returns the node visitor instances to add to the existing list. * * @return NodeVisitorInterface[] */ public function getNodeVisitors(); /** * Returns a list of filters to add to the existing list. * * @return TwigFilter[] */ public function getFilters(); /** * Returns a list of tests to add to the existing list. * * @return TwigTest[] */ public function getTests(); /** * Returns a list of functions to add to the existing list. * * @return TwigFunction[] */ public function getFunctions(); /** * Returns a list of operators to add to the existing list. * * @return array First array of unary operators, second array of binary operators */ public function getOperators(); /** * Returns a list of global variables to add to the existing list. * * @return array An array of global variables * * @deprecated since 1.23 (to be removed in 2.0), implement \Twig_Extension_GlobalsInterface instead */ public function getGlobals(); /** * Returns the name of the extension. * * @return string The extension name * * @deprecated since 1.26 (to be removed in 2.0), not used anymore internally */ public function getName(); } class_alias('Twig\Extension\ExtensionInterface', 'Twig_ExtensionInterface'); // Ensure that the aliased name is loaded to keep BC for classes implementing the typehint with the old aliased name. class_exists('Twig\Environment');