vendor/twig/twig/lib/Twig/Extension/Debug.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) Fabien Potencier
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 /**
  13  * @final
  14  */
  15 class Twig_Extension_Debug extends Twig_Extension
  16 {
  17     public function getFunctions()
  18     {
  19         // dump is safe if var_dump is overridden by xdebug
  20         $isDumpOutputHtmlSafe = extension_loaded('xdebug')
  21             // false means that it was not set (and the default is on) or it explicitly enabled
  22             && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
  23             // false means that it was not set (and the default is on) or it explicitly enabled
  24             // xdebug.overload_var_dump produces HTML only when html_errors is also enabled
  25             && (false === ini_get('html_errors') || ini_get('html_errors'))
  26             || 'cli' === PHP_SAPI
  27         ;
  28
  29         return array(
  30             new Twig_SimpleFunction('dump', 'twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
  31         );
  32     }
  33
  34     public function getName()
  35     {
  36         return 'debug';
  37     }
  38 }
  39
  40 function twig_var_dump(Twig_Environment $env, $context)
  41 {
  42     if (!$env->isDebug()) {
  43         return;
  44     }
  45
  46     ob_start();
  47
  48     $count = func_num_args();
  49     if (2 === $count) {
  50         $vars = array();
  51         foreach ($context as $key => $value) {
  52             if (!$value instanceof Twig_Template) {
  53                 $vars[$key] = $value;
  54             }
  55         }
  56
  57         var_dump($vars);
  58     } else {
  59         for ($i = 2; $i < $count; ++$i) {
  60             var_dump(func_get_arg($i));
  61         }
  62     }
  63
  64     return ob_get_clean();
  65 }
  66
  67 class_alias('Twig_Extension_Debug', 'Twig\Extension\DebugExtension', false);