--- /dev/null
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * @final
+ */
+class Twig_Extension_Debug extends Twig_Extension
+{
+ public function getFunctions()
+ {
+ // dump is safe if var_dump is overridden by xdebug
+ $isDumpOutputHtmlSafe = extension_loaded('xdebug')
+ // false means that it was not set (and the default is on) or it explicitly enabled
+ && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
+ // false means that it was not set (and the default is on) or it explicitly enabled
+ // xdebug.overload_var_dump produces HTML only when html_errors is also enabled
+ && (false === ini_get('html_errors') || ini_get('html_errors'))
+ || 'cli' === php_sapi_name()
+ ;
+
+ return array(
+ new Twig_SimpleFunction('dump', 'twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
+ );
+ }
+
+ public function getName()
+ {
+ return 'debug';
+ }
+}
+
+function twig_var_dump(Twig_Environment $env, $context)
+{
+ if (!$env->isDebug()) {
+ return;
+ }
+
+ ob_start();
+
+ $count = func_num_args();
+ if (2 === $count) {
+ $vars = array();
+ foreach ($context as $key => $value) {
+ if (!$value instanceof Twig_Template) {
+ $vars[$key] = $value;
+ }
+ }
+
+ var_dump($vars);
+ } else {
+ for ($i = 2; $i < $count; ++$i) {
+ var_dump(func_get_arg($i));
+ }
+ }
+
+ return ob_get_clean();
+}