function AppendStream::getSize

Tries to calculate the size by adding the size of each stream.

If any of the streams do not return a valid number, then the size of the append stream cannot be determined and null is returned.

Overrides StreamInterface::getSize

File

vendor/guzzlehttp/psr7/src/AppendStream.php, line 126

Class

AppendStream

Reads from multiple streams, one after the other.

Namespace

GuzzleHttp\Psr7

Code

public function getSize() : ?int {
    $size = 0;
    foreach ($this->streams as $stream) {
        $s = $stream->getSize();
        if ($s === null) {
            return null;
        }
        $size += $s;
    }
    return $size;
}