Edit File: LazyOpenStream.php
<?php namespace GuzzleHttp\Psr7; use Psr\Http\Message\StreamInterface; /** * Lazily reads or writes to a file that is opened only after an IO operation * take place on the stream. */ class LazyOpenStream implements StreamInterface { use StreamDecoratorTrait; /** @var string File to open */ private $filename; /** @var string $mode */ private $mode; /** * @param string $filename File to lazily open * @param string $mode fopen mode to use when opening the stream */ public function __construct($filename, $mode) { $this->filename = $filename; $this->mode = $mode; } /** * Creates the underlying stream lazily when required. * * @return StreamInterface */ protected function createStream() { return stream_for(try_fopen($this->filename, $this->mode)); } }