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<?php |
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namespace Http\Message; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* Represent a stream cloned into memory. |
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*/ |
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class MemoryClonedStream implements StreamInterface |
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{ |
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const COPY_BUFFER = 8192; |
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private $resource; |
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private $size; |
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/** |
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* @param StreamInterface $stream Stream to clone |
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* @param bool $useFileBuffer Use a file buffer to avoid memory consumption on PHP script (default to true) |
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* @param int $memoryBuffer The amount of memory of which the stream is buffer into a file when setting |
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* $useFileBuffer to true (default to 2MB) |
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*/ |
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public function __construct(StreamInterface $stream, $useFileBuffer = true, $memoryBuffer = 2097152) |
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{ |
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$this->size = 0; |
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if ($useFileBuffer) { |
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$this->resource = fopen('php://temp/maxmemory:'.$memoryBuffer, 'rw+'); |
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} else { |
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$this->resource = fopen('php://memory', 'rw+'); |
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} |
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$position = null; |
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if ($stream->isSeekable()) { |
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$position = $stream->tell(); |
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$stream->rewind(); |
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} |
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while (!$stream->eof()) { |
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$this->size += fwrite($this->resource, $stream->read(self::COPY_BUFFER)); |
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} |
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if ($stream->isSeekable()) { |
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$stream->seek($position); |
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} |
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rewind($this->resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return $this->getContents(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function close() |
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{ |
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fclose($this->resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function detach() |
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{ |
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$resource = $this->resource; |
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$this->resource = null; |
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return $resource; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSize() |
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{ |
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return $this->size; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function tell() |
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{ |
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return ftell($this->resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function eof() |
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{ |
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return feof($this->resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isSeekable() |
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{ |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function seek($offset, $whence = SEEK_SET) |
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{ |
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return fseek($this->resource, $offset); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rewind() |
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{ |
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return rewind($this->resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isWritable() |
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{ |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function write($string) |
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{ |
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return fwrite($this->resource, $string); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isReadable() |
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{ |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read($length) |
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{ |
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return fread($this->resource, $length); |
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} |
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159
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/** |
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160
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* {@inheritdoc} |
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161
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*/ |
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162
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public function getContents() |
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{ |
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$this->rewind(); |
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return $this->read($this->size); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMetadata($key = null) |
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{ |
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$metadata = stream_get_meta_data($this->resource); |
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if (null === $key) { |
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return $metadata; |
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} |
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return $metadata[$key]; |
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} |
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} |
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183
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php-http /
message
