Chris@0: <?php
Chris@0: /**
Chris@12:  * @see       https://github.com/zendframework/zend-diactoros for the canonical source repository
Chris@12:  * @copyright Copyright (c) 2015-2017 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:  * @license   https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
Chris@0:  */
Chris@0: 
Chris@0: namespace Zend\Diactoros;
Chris@0: 
Chris@16: use function stream_get_contents;
Chris@16: 
Chris@0: /**
Chris@0:  * Caching version of php://input
Chris@0:  */
Chris@0: class PhpInputStream extends Stream
Chris@0: {
Chris@0:     /**
Chris@0:      * @var string
Chris@0:      */
Chris@0:     private $cache = '';
Chris@0: 
Chris@0:     /**
Chris@0:      * @var bool
Chris@0:      */
Chris@0:     private $reachedEof = false;
Chris@0: 
Chris@0:     /**
Chris@0:      * @param  string|resource $stream
Chris@0:      */
Chris@0:     public function __construct($stream = 'php://input')
Chris@0:     {
Chris@0:         parent::__construct($stream, 'r');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __toString()
Chris@0:     {
Chris@0:         if ($this->reachedEof) {
Chris@0:             return $this->cache;
Chris@0:         }
Chris@0: 
Chris@0:         $this->getContents();
Chris@0:         return $this->cache;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function isWritable()
Chris@0:     {
Chris@0:         return false;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function read($length)
Chris@0:     {
Chris@0:         $content = parent::read($length);
Chris@0:         if (! $this->reachedEof) {
Chris@0:             $this->cache .= $content;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->eof()) {
Chris@0:             $this->reachedEof = true;
Chris@0:         }
Chris@0: 
Chris@0:         return $content;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getContents($maxLength = -1)
Chris@0:     {
Chris@0:         if ($this->reachedEof) {
Chris@0:             return $this->cache;
Chris@0:         }
Chris@0: 
Chris@0:         $contents     = stream_get_contents($this->resource, $maxLength);
Chris@0:         $this->cache .= $contents;
Chris@0: 
Chris@0:         if ($maxLength === -1 || $this->eof()) {
Chris@0:             $this->reachedEof = true;
Chris@0:         }
Chris@0: 
Chris@0:         return $contents;
Chris@0:     }
Chris@0: }