yaffs.net Git - yaffs-website/blob - vendor/zendframework/zend-diactoros/src/PhpInputStream.php

   1 <?php
   2 /**
   3  * @see       https://github.com/zendframework/zend-diactoros for the canonical source repository
   4  * @copyright Copyright (c) 2015-2017 Zend Technologies USA Inc. (http://www.zend.com)
   5  * @license   https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
   6  */
   7
   8 namespace Zend\Diactoros;
   9
  10 /**
  11  * Caching version of php://input
  12  */
  13 class PhpInputStream extends Stream
  14 {
  15     /**
  16      * @var string
  17      */
  18     private $cache = '';
  19
  20     /**
  21      * @var bool
  22      */
  23     private $reachedEof = false;
  24
  25     /**
  26      * @param  string|resource $stream
  27      */
  28     public function __construct($stream = 'php://input')
  29     {
  30         parent::__construct($stream, 'r');
  31     }
  32
  33     /**
  34      * {@inheritdoc}
  35      */
  36     public function __toString()
  37     {
  38         if ($this->reachedEof) {
  39             return $this->cache;
  40         }
  41
  42         $this->getContents();
  43         return $this->cache;
  44     }
  45
  46     /**
  47      * {@inheritdoc}
  48      */
  49     public function isWritable()
  50     {
  51         return false;
  52     }
  53
  54     /**
  55      * {@inheritdoc}
  56      */
  57     public function read($length)
  58     {
  59         $content = parent::read($length);
  60         if (! $this->reachedEof) {
  61             $this->cache .= $content;
  62         }
  63
  64         if ($this->eof()) {
  65             $this->reachedEof = true;
  66         }
  67
  68         return $content;
  69     }
  70
  71     /**
  72      * {@inheritdoc}
  73      */
  74     public function getContents($maxLength = -1)
  75     {
  76         if ($this->reachedEof) {
  77             return $this->cache;
  78         }
  79
  80         $contents     = stream_get_contents($this->resource, $maxLength);
  81         $this->cache .= $contents;
  82
  83         if ($maxLength === -1 || $this->eof()) {
  84             $this->reachedEof = true;
  85         }
  86
  87         return $contents;
  88     }
  89 }