vendor/symfony/form/Symfony/Component/Form/Extension/Validator/Util/ServerParams.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   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 namespace Symfony\Component\Form\Extension\Validator\Util;
  13
  14 /**
  15  * @author Bernhard Schussek <bschussek@gmail.com>
  16  */
  17 class ServerParams
  18 {
  19     /**
  20      * Returns maximum post size in bytes.
  21      *
  22      * @return null|integer The maximum post size in bytes
  23      */
  24     public function getPostMaxSize()
  25     {
  26         $iniMax = $this->getNormalizedIniPostMaxSize();
  27
  28         if ('' === $iniMax) {
  29             return null;
  30         }
  31
  32         if (preg_match('#^\+?(0X?)?(.*?)([KMG]?)$#', $iniMax, $match)) {
  33             $shifts = array('' => 0, 'K' => 10, 'M' => 20, 'G' => 30);
  34             $bases = array('' => 10, '0' => 8, '0X' => 16);
  35
  36             return intval($match[2], $bases[$match[1]]) << $shifts[$match[3]];
  37         }
  38
  39         return 0;
  40     }
  41
  42     /**
  43      * Returns the normalized "post_max_size" ini setting.
  44      *
  45      * @return string
  46      */
  47     public function getNormalizedIniPostMaxSize()
  48     {
  49         return strtoupper(trim(ini_get('post_max_size')));
  50     }
  51
  52     /**
  53      * Returns the content length of the request.
  54      *
  55      * @return mixed The request content length.
  56      */
  57     public function getContentLength()
  58     {
  59         return isset($_SERVER['CONTENT_LENGTH'])
  60             ? (int) $_SERVER['CONTENT_LENGTH']
  61             : null;
  62     }
  63
  64 }