File indexing completed on 2024-12-29 05:27:23

 <?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));
     }
 }