composer zlib_decode

<?php

$url = 'http://packagist.org/p/symfony/finder$a4bc31ef5d391952af0e7202b072f6d587ae89623277f89aefad0f9d49a9bc2c.json';

$headers = array(
	'User-Agent: Composer/source (Windows NT; 6.2; PHP 5.6.5)',
	'Accept-Encoding: gzip',
	'Connection: close',
);

$options = array(
	'http' => array(
		'follow_location' => 1,
		'max_redirects' => 20,
		'protocol_version' => 1.1,
		'request_fulluri' => true,
		'header' => $headers,
	),
);

if ('https' === parse_url($url, PHP_URL_SCHEME)) {
	$options['ssl']['SNI_enabled'] = true;
	if (PHP_VERSION_ID < 50600) {
		$options['ssl']['SNI_server_name'] = parse_url($url, PHP_URL_HOST);
	}
}

/*
$options['http']['header'] = uasort($options['http']['header'], function ($k) {
	return preg_match('{^content-type}i', $k) ? 1 : -1;
});

var_dump($options['http']['header']);exit;
*/

$options['http']['header'] = implode ("\n", $options['http']['header']);

$ctx = stream_context_create($options);

$stream = fopen($url, 'r', false, $ctx);

$headers = stream_get_meta_data($stream);
$content = stream_get_contents($stream);

var_dump($headers);