10  * PHP stream implementation.
12 class Stream implements StreamInterface  class
22     private $stream;  variable in GuzzleHttp\\Psr7\\Stream
39      * - size: (int) If a read stream would otherwise have an indeterminate
43      *   of the stream is accessed.
45      * @param resource                            $stream  Stream resource to wrap.
48      * @throws \InvalidArgumentException if the stream is not a stream resource
50     public function __construct($stream, array $options = [])  argument
52         if (!is_resource($stream)) {
53             throw new \InvalidArgumentException('Stream must be a resource');
61         $this->stream = $stream;
62         $meta = stream_get_meta_data($this->stream);
70      * Closes the stream when the destructed
97         if (!isset($this->stream)) {
98             throw new \RuntimeException('Stream is detached');
102             throw new \RuntimeException('Cannot read from non-readable stream');
105         return Utils::tryGetContents($this->stream);
110         if (isset($this->stream)) {
111             if (is_resource($this->stream)) {
112                 fclose($this->stream);
120         if (!isset($this->stream)) {
124         $result = $this->stream;
125         unset($this->stream);
138         if (!isset($this->stream)) {
142         // Clear the stat cache if the stream has a URI
147         $stats = fstat($this->stream);
174         if (!isset($this->stream)) {
175             throw new \RuntimeException('Stream is detached');
178         return feof($this->stream);
183         if (!isset($this->stream)) {
184             throw new \RuntimeException('Stream is detached');
187         $result = ftell($this->stream);
190             throw new \RuntimeException('Unable to determine stream position');
205         if (!isset($this->stream)) {
206             throw new \RuntimeException('Stream is detached');
209             throw new \RuntimeException('Stream is not seekable');
211         if (fseek($this->stream, $offset, $whence) === -1) {
212             throw new \RuntimeException('Unable to seek to stream position '
219         if (!isset($this->stream)) {
220             throw new \RuntimeException('Stream is detached');
223             throw new \RuntimeException('Cannot read from non-readable stream');
234             $string = fread($this->stream, $length);
236             throw new \RuntimeException('Unable to read from stream', 0, $e);
240             throw new \RuntimeException('Unable to read from stream');
248         if (!isset($this->stream)) {
249             throw new \RuntimeException('Stream is detached');
252             throw new \RuntimeException('Cannot write to a non-writable stream');
257         $result = fwrite($this->stream, $string);
260             throw new \RuntimeException('Unable to write to stream');
271         if (!isset($this->stream)) {
274             return $this->customMetadata + stream_get_meta_data($this->stream);
279         $meta = stream_get_meta_data($this->stream);