Remote
› Kohana_Remote

Class Contents

Constants

  • None

Properties

Methods

Class declared in SYSPATH/classes/remote.php on line 3.

Properties

public static $default_options
array(3) (
    10018 => string(66) "Mozilla/5.0 (compatible; Kohana v3.0 +http://kohanaframework.org/)"
    78 => integer 5
    13 => integer 5
)

Methods

public static get( )
› Kohana_Remote

Source Code
public static function get($url, array $options = NULL)
{
	if ($options === NULL)
	{
		// Use default options
		$options = Remote::$default_options;
	}
	else
	{
		// Add default options
		$options = $options + Remote::$default_options;
	}

	// The transfer must always be returned
	$options[CURLOPT_RETURNTRANSFER] = TRUE;

	// Open a new remote connection
	$remote = curl_init($url);

	// Set connection options
	if ( ! curl_setopt_array($remote, $options))
	{
		throw new Kohana_Exception('Failed to set CURL options, check CURL documentation: :url',
			array(':url' => 'http://php.net/curl_setopt_array'));
	}

	// Get the response
	$response = curl_exec($remote);

	// Get the response information
	$code = curl_getinfo($remote, CURLINFO_HTTP_CODE);

	if ($code AND $code < 200 OR $code > 299)
	{
		$error = $response;
	}
	elseif ($response === FALSE)
	{
		$error = curl_error($remote);
	}

	// Close the connection
	curl_close($remote);

	if (isset($error))
	{
		throw new Kohana_Exception('Error fetching remote :url [ status :code ] :error',
			array(':url' => $url, ':code' => $code, ':error' => $error));
	}

	return $response;
}

public static status( )
› Kohana_Remote

Source Code
public static function status($url)
{
	// Get the hostname and path
	$url = parse_url($url);

	if (empty($url['path']))
	{
		// Request the root document
		$url['path'] = '/';
	}

	// Open a remote connection
	$port = isset($url['port']) ? $url['port'] : 80;
	$remote = fsockopen($url['host'], $port, $errno, $errstr, 5);

	if ( ! is_resource($remote))
		return FALSE;

	// Set CRLF
	$line_feed = "\r\n";

	// Send request
	fwrite($remote, 'HEAD '.$url['path'].' HTTP/1.0'.$line_feed);
	fwrite($remote, 'Host: '.$url['host'].$line_feed);
	fwrite($remote, 'Connection: close'.$line_feed);
	fwrite($remote, 'User-Agent: Kohana Framework (+http://kohanaframework.org/)'.$line_feed);

	// Send one more CRLF to terminate the headers
	fwrite($remote, $line_feed);

	// Remote is offline
	$response = FALSE;

	while ( ! feof($remote))
	{
		// Get the line
		$line = trim(fgets($remote, 512));

		if ($line !== '' AND preg_match('#^HTTP/1\.[01] (\d{3})#', $line, $matches))
		{
			// Response code found
			$response = (int) $matches[1];
			break;
		}
	}

	// Close the connection
	fclose($remote);

	return $response;
}