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

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2011 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 class Twig_Extension_Debug extends Twig_Extension
  12 {
  13     /**
  14      * Returns a list of global functions to add to the existing list.
  15      *
  16      * @return array An array of global functions
  17      */
  18     public function getFunctions()
  19     {
  20         // dump is safe if var_dump is overridden by xdebug
  21         $isDumpOutputHtmlSafe = extension_loaded('xdebug')
  22             // false means that it was not set (and the default is on) or it explicitly enabled
  23             && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
  24             // false means that it was not set (and the default is on) or it explicitly enabled
  25             // xdebug.overload_var_dump produces HTML only when html_errors is also enabled
  26             && (false === ini_get('html_errors') || ini_get('html_errors'))
  27             || 'cli' === php_sapi_name()
  28         ;
  29
  30         return array(
  31             new Twig_SimpleFunction('dump', 'twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
  32         );
  33     }
  34
  35     /**
  36      * Returns the name of the extension.
  37      *
  38      * @return string The extension name
  39      */
  40     public function getName()
  41     {
  42         return 'debug';
  43     }
  44 }
  45
  46 function twig_var_dump(Twig_Environment $env, $context)
  47 {
  48     if (!$env->isDebug()) {
  49         return;
  50     }
  51
  52     ob_start();
  53
  54     $count = func_num_args();
  55     if (2 === $count) {
  56         $vars = array();
  57         foreach ($context as $key => $value) {
  58             if (!$value instanceof Twig_Template) {
  59                 $vars[$key] = $value;
  60             }
  61         }
  62
  63         var_dump($vars);
  64     } else {
  65         for ($i = 2; $i < $count; $i++) {
  66             var_dump(func_get_arg($i));
  67         }
  68     }
  69
  70     return ob_get_clean();
  71 }