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<?php /** * This file is part of workerman. * * Licensed under The MIT License * For full copyright and license information, please see the MIT-LICENSE.txt * Redistributions of files must retain the above copyright notice. * * @author walkor<[email protected]> * @copyright walkor<[email protected]> * @link http://www.workerman.net/ * @license http://www.opensource.org/licenses/mit-license.php MIT License */ namespace Workerman\Protocols\Http; /** * Class ServerSentEvents * @package Workerman\Protocols\Http */ class ServerSentEvents { /** * Data. * @var array */ protected $_data = null; /** * ServerSentEvents constructor. * $data for example ['event'=>'ping', 'data' => 'some thing', 'id' => 1000, 'retry' => 5000] * @param array $data */ public function __construct(array $data) { $this->_data = $data; } /** * __toString. * * @return string */ public function __toString() { $buffer = ''; $data = $this->_data; if (isset($data[''])) { $buffer = ": {$data['']}\n"; } if (isset($data['event'])) { $buffer .= "event: {$data['event']}\n"; } if (isset($data['data'])) { $buffer .= 'data: ' . \str_replace("\n", "\ndata: ", $data['data']) . "\n\n"; } if (isset($data['id'])) { $buffer .= "id: {$data['id']}\n"; } if (isset($data['retry'])) { $buffer .= "retry: {$data['retry']}\n"; } return $buffer; } }