PHP Push notifications handler for mobile devices

PushHandler.class.php

<?php 
 
	
	/**
	 * PHP mobile push notification handler
	 * Supports: Windows Phone
	 *
	 * Written and copyrighted 2014+
	 * by Sven Marc 'cybrox' Gehring
	 * Licensed under CC-BY
	 *
	 */
 
	class PushHandler {
 
		const wphoneImmediate = 0;
		const wphoneIn450Sec = 10;
		const wphoneIn900Sec = 20;
 
		private $wphonePushUrl = '';
		private $wphonePushIst = '';
		private $wphoneParamls = array();
 
 
		/**
		 * @method windowsPhonePush
		 * @name Windows Phone Push
		 * @desc Send a war, tile or toast push notification to a Windows Phone device
		 * @note This is based on an example written by Rudy HUYN
		 * @param {string} pushUrl - The Microsoft push URL that will handle the actual request
		 * @param {string} pushType - The type of the push notification, can be 'raw', 'tile' or 'toast'
		 * @param {array} parameters - An array with all additional parameters
		 *  @subparam {string} data - Raw data needed for 'raw' push
		 *  @subparam {string} title - The title of the push request
		 *  @subparam {string} param - The param that will be given back in a 'toast' push
		 *  @subparam {int} delay - The delay until the push is sent
		 *  @subparam {string} subtitle - The subtitle for a 'toast' push
		 *  @subparam {string} message_id - An unique message ID, default value is NULL
		 *  @subparam {string} background_url - Background Url needed for 'tile' psuh
		 * @return {array} response - The response Array from the Microsoft server
		 */
		public function windowsPhonePush($pushUrl, $pushType, $parameters){
 
			$this->wphonePushUrl = $pushUrl;
			$this->wphonePushIst = $pushType;
			$this->wphoneParamls = $parameters;
 
			$paramDatas = (!empty($parameters['data'])) ? $parameters['data'] : NULL;
			$paramTitle = (!empty($parameters['title'])) ? $parameters['title'] : 'no-title';
			$paramParam = (!empty($parameters['param'])) ? $parameters['param'] : 'no-parameter';
			$paramDelay = (!empty($parameters['delay'])) ? $parameters['delay'] : PushHandler::wphoneImmediate;
			$paramStitl = (!empty($parameters['subtitle'])) ? $parameters['subtitle'] : 'no-subtitle';
			$paramMsgId = (!empty($parameters['message_id'])) ? $parameters['message_id'] : NULL;
			$paramBgUrl = (!empty($parameters['background_url'])) ? $parameters['background_url'] : NULL;
			$paramRtype = $pushType;

			switch($pushType){
				case 'toast':
					$requestDelay = $paramDelay + 2;
					$requestMessage = "".
						"<?xml version=\"1.0\" encoding=\"utf-8\"?>".
						"<wp:Notification xmlns:wp=\"WPNotification\">".
						 "<wp:Toast>".
						  "<wp:Text1>".htmlspecialchars($paramTitle)."</wp:Text1>".
						  "<wp:Text2>".htmlspecialchars($paramStitl)."</wp:Text2>".
#						  "<wp:Param>".htmlspecialchars($paramParam)."</wp:Param>".
						 "</wp:Toast>".
						"</wp:Notification>";
					break;
 
				case 'tile':
					$paramRtype = 'token';
					$requestDelay = $paramDelay + 1;
					$requestMessage = "".
						"<?xml version=\"1.0\" encoding=\"utf-8\"?>".
						"<wp:Notification xmlns:wp=\"WPNotification\">".
						 "<wp:Tile>".
						  "<wp:BackgroundImage>".htmlspecialchars($paramBgUrl)."</wp:BackgroundImage>".
						  "<wp:Count>$count</wp:Count>".
						  "<wp:Title>".htmlspecialchars($paramTitle)."</wp:Title>".
						 "</wp:Tile>".
						"</wp:Notification>";
					break;
 
				case 'raw':
					$paramRtype = NULL;
					$requestDelay = $paramDelay + 3;
					$requestMessage = $paramDatas;
					break;
 
				default:
					return array('success' => false, 'errror' => 'invalid action');
					break;
			}


			$requestHandler = curl_init();
			$requestHeaders = array(
				'Content-Type: text/xml',
				'Accept: application/*',
				"X-NotificationClass: $requestDelay"
			);
 
			if($paramMsgId != NULL) $requestHeaders[] = "X-MessageID: $paramMsgId";
			if($paramRtype != NULL)   $requestHeaders[] = "X-WindowsPhone-Target: $paramRtype";
 
			curl_setopt($requestHandler, CURLOPT_HEADER, true); 
			curl_setopt($requestHandler, CURLOPT_HTTPHEADER, $requestHeaders); 
			curl_setopt($requestHandler, CURLOPT_POST, true);
			curl_setopt($requestHandler, CURLOPT_POSTFIELDS, $requestMessage);
			curl_setopt($requestHandler, CURLOPT_URL, $this->wphonePushUrl);
			curl_setopt($requestHandler, CURLOPT_RETURNTRANSFER, 1);
 
			$requestDataList = array();
			$requestResponse = curl_exec($requestHandler);
			curl_close($requestHandler);
 
			foreach(explode("\n", $requestResponse) as $line){
				$lineParts = explode(":", $line, 2);
				if(count($lineParts) == 2) $requestDataList[$lineParts[0]]=trim($lineParts[1]);
			}
			
			return $requestDataList;
		}
	}


 ?>