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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) 2011 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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class Twig_Extension_Debug extends Twig_Extension
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{
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/**
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* Returns a list of global functions to add to the existing list.
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*
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* @return array An array of global functions
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*/
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public function getFunctions()
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{
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// dump is safe if var_dump is overridden by xdebug
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$isDumpOutputHtmlSafe = extension_loaded('xdebug')
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// false means that it was not set (and the default is on) or it explicitly enabled
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&& (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
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// false means that it was not set (and the default is on) or it explicitly enabled
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// xdebug.overload_var_dump produces HTML only when html_errors is also enabled
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&& (false === ini_get('html_errors') || ini_get('html_errors'))
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;
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return array(
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'dump' => new Twig_Function_Function('twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
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);
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}
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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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return 'debug';
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}
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}
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function twig_var_dump(Twig_Environment $env, $context)
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{
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if (!$env->isDebug()) {
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return;
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}
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ob_start();
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$count = func_num_args();
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if (2 === $count) {
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$vars = array();
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foreach ($context as $key => $value) {
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if (!$value instanceof Twig_Template) {
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$vars[$key] = $value;
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}
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}
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var_dump($vars);
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} else {
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for ($i = 2; $i < $count; $i++) {
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var_dump(func_get_arg($i));
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}
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}
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return ob_get_clean();
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}
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