function Utils::copyToStream

Copy the contents of a stream into another stream until the given number of bytes have been read.

Parameters

StreamInterface $source Stream to read from:

StreamInterface $dest Stream to write to:

int $maxLen Maximum number of bytes to read. Pass -1: to read the entire stream.

Throws

\RuntimeException on error.

2 calls to Utils::copyToStream()

CachingStream::cacheEntireStream in vendor/guzzlehttp/psr7/src/CachingStream.php

UploadedFile::moveTo in vendor/guzzlehttp/psr7/src/UploadedFile.php

Move the uploaded file to a new location.

File

vendor/guzzlehttp/psr7/src/Utils.php, line 47

Class

Utils

Namespace

GuzzleHttp\Psr7

Code

public static function copyToStream(StreamInterface $source, StreamInterface $dest, int $maxLen = -1) : void {
    $bufferSize = 8192;
    if ($maxLen === -1) {
        while (!$source->eof()) {
            if (!$dest->write($source->read($bufferSize))) {
                break;
            }
        }
    }
    else {
        $remaining = $maxLen;
        while ($remaining > 0 && !$source->eof()) {
            $buf = $source->read(min($bufferSize, $remaining));
            $len = strlen($buf);
            if (!$len) {
                break;
            }
            $remaining -= $len;
            $dest->write($buf);
        }
    }
}