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