View file File name : Header.php Content :<?php namespace WebPConvert\Serve; /** * Add / Set HTTP header. * * This class does nothing more than adding two convenience functions for calling the "header" function. * * @package WebPConvert * @author Bjørn Rosell <it@rosell.dk> * @since Class available since Release 2.0.0 */ class Header { /** * Convenience function for adding header (append). * * @param string $header The header to add. * @return void */ public static function addHeader($header) { header($header, false); } /** * Convenience function for replacing header. * * @param string $header The header to set. * @return void */ public static function setHeader($header) { header($header, true); } /** * Add log header and optionally send it to a logger as well. * * @param string $msg Message to add to "X-WebP-Convert-Log" header * @param \WebPConvert\Loggers\BaseLogger $logger (optional) * @return void */ public static function addLogHeader($msg, $logger = null) { self::addHeader('X-WebP-Convert-Log: ' . $msg); if (!is_null($logger)) { $logger->logLn($msg); } } }