File "StreamFactory.php"
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MIME-type: text/x-php
Charset: utf-8
<?php
/**
* Slim Framework (https://slimframework.com)
*
* @license https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE.md (MIT License)
*/
declare(strict_types=1);
namespace Slim\Psr7\Factory;
use InvalidArgumentException;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
use RuntimeException;
use Slim\Psr7\Stream;
use ValueError;
use function fopen;
use function fwrite;
use function is_resource;
use function restore_error_handler;
use function rewind;
use function set_error_handler;
class StreamFactory implements StreamFactoryInterface
{
/**
* {@inheritdoc}
*
* @throws RuntimeException
*/
public function createStream(string $content = ''): StreamInterface
{
$resource = fopen('php://temp', 'rw+');
if (!is_resource($resource)) {
throw new RuntimeException('StreamFactory::createStream() could not open temporary file stream.');
}
fwrite($resource, $content);
rewind($resource);
return $this->createStreamFromResource($resource);
}
/**
* {@inheritdoc}
*/
public function createStreamFromFile(
string $filename,
string $mode = 'r',
StreamInterface $cache = null
): StreamInterface {
set_error_handler(
static function (int $errno, string $errstr) use ($filename, $mode): void {
throw new RuntimeException(
"Unable to open $filename using mode $mode: $errstr",
$errno
);
}
);
try {
$resource = fopen($filename, $mode);
} catch (ValueError $exception) {
throw new RuntimeException("Unable to open $filename using mode $mode: " . $exception->getMessage());
} finally {
restore_error_handler();
}
if (!is_resource($resource)) {
throw new RuntimeException(
"StreamFactory::createStreamFromFile() could not create resource from file `$filename`"
);
}
return new Stream($resource, $cache);
}
/**
* {@inheritdoc}
*/
public function createStreamFromResource($resource, StreamInterface $cache = null): StreamInterface
{
if (!is_resource($resource)) {
throw new InvalidArgumentException(
'Parameter 1 of StreamFactory::createStreamFromResource() must be a resource.'
);
}
return new Stream($resource, $cache);
}
}