/**
* Create a JSON response with the given data.
*
* Default JSON encoding is performed with the following options, which
* produces RFC4627-compliant JSON, capable of embedding into HTML.
*
* - JSON_HEX_TAG
* - JSON_HEX_APOS
* - JSON_HEX_AMP
* - JSON_HEX_QUOT
* - JSON_UNESCAPED_SLASHES
*
* @param mixed $data Data to convert to JSON.
* @param int $status Integer status code for the response; 200 by default.
* @param array $headers Array of headers to use at initialization.
* @param int $encodingOptions JSON encoding options to use.
*
* @throws InvalidArgumentException if unable to encode the $data to JSON.
*/
public function __construct($data, int $status = 200, array $headers = [], $encodingOptions = self::DEFAULT_JSON_FLAGS)
{
$body = new Stream(fopen('php://temp', 'wb+'));
$body->write($this->jsonEncode($data, $encodingOptions));
$body->rewind();
$headers = $this->injectContentType('application/json', $headers);
parent::__construct($status, $headers, $body);
}
/**
* Create the message body.
*
* @param string|StreamInterface $html
*
* @throws InvalidArgumentException if $html is neither a string or stream.
*
* @return StreamInterface
*/
private function createBody($html) : StreamInterface
{
if ($html instanceof StreamInterface) {
return $html;
}
if (!is_string($html)) {
throw new InvalidArgumentException(sprintf('Invalid content (%s) provided to %s', is_object($html) ? get_class($html) : gettype($html), __CLASS__));
}
$body = new Stream(fopen('php://temp', 'wb+'));
$body->write($html);
$body->rewind();
return $body;
}
public function testCanDetachStream()
{
$r = fopen('php://temp', 'w+');
$stream = new Stream($r);
$stream->write('foo');
$this->assertTrue($stream->isReadable());
$this->assertSame($r, $stream->detach());
$stream->detach();
$this->assertFalse($stream->isReadable());
$this->assertFalse($stream->isWritable());
$this->assertFalse($stream->isSeekable());
$throws = function (callable $fn) use($stream) {
try {
$fn($stream);
$this->fail();
} catch (Exception $e) {
}
};
$throws(function ($stream) {
$stream->read(10);
});
$throws(function ($stream) {
$stream->write('bar');
});
$throws(function ($stream) {
$stream->seek(10);
});
$throws(function ($stream) {
$stream->tell();
});
$throws(function ($stream) {
$stream->eof();
});
$throws(function ($stream) {
$stream->getSize();
});
$throws(function ($stream) {
$stream->getContents();
});
$this->assertSame('', (string) $stream);
$stream->close();
}
