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53 lines
1.2 KiB
PHP
53 lines
1.2 KiB
PHP
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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) 2010 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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* Represents a template function.
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*
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* @package twig
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class Twig_Function implements Twig_FunctionInterface
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{
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protected $options;
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public function __construct(array $options = array())
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{
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$this->options = array_merge(array(
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'needs_environment' => false,
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'needs_context' => false,
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), $options);
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}
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public function needsEnvironment()
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{
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return $this->options['needs_environment'];
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}
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public function needsContext()
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{
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return $this->options['needs_context'];
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}
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public function getSafe(Twig_Node $functionArgs)
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{
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if (isset($this->options['is_safe'])) {
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return $this->options['is_safe'];
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}
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if (isset($this->options['is_safe_callback'])) {
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return call_user_func($this->options['is_safe_callback'], $functionArgs);
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}
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return array();
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}
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}
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