<?php
namespace League\Flysystem\Adapter\Polyfill;
use League\Flysystem\Config;
use League\Flysystem\Util;
trait StreamedWritingTrait
{
/**
* Stream fallback delegator.
*
* @param string $path
* @param resource $resource
* @param Config $config
* @param string $fallback
*
* @return mixed fallback result
*/
protected function stream($path, $resource, Config $config, $fallback)
{
Util::rewindStream($resource);
$contents = stream_get_contents($resource);
$fallbackCall = [$this, $fallback];
return call_user_func($fallbackCall, $path, $contents, $config);
}
/**
* Write using a stream.
*
* @param string $path
* @param resource $resource
* @param Config $config
*
* @return mixed false or file metadata
*/
public function writeStream($path, $resource, Config $config)
{
return $this->stream($path, $resource, $config, 'write');
}
/**
* Update a file using a stream.
*
* @param string $path
* @param resource $resource
* @param Config $config Config object or visibility setting
*
* @return mixed false of file metadata
*/
public function updateStream($path, $resource, Config $config)
{
return $this->stream($path, $resource, $config, 'update');
}
// Required abstract methods
abstract public function write($pash, $contents, Config $config);
abstract public function update($pash, $contents, Config $config);
}