Google Firebase Cloud Messaging Push Notification PHP Class

Google Firebase Cloud Messaging (FCM) Push Notifications php class to send push notifications to your mobile devices.

Collecting your Google Firebase API-key

1. Create a Firebase project in the Firebase console, if you don't already have one. Android setup iOS setup Web setup.
2. Go to your "project settings" and go to the "Cloud Messaging" tab.
3. Copy your api key "Serverkey".

Send to device example

	require require 'FCMPushNotification.php'; 
	
	$FCMPushNotification = new \BD\FCMPushNotification('YOUR_GOOGLE_FIREBASE_APIKEY');

	$sDeviceToken = "DEVICE_TOKEN_ID";
	
	$aPayload = array(
		'data' => array("test"=>123),
		'notification' => array(
			'title' => 'Example app',
			'body'=> 'This is an example message',
			'sound'=> 'default'
		)
	);
	
	$aOptions = array(
		'time_to_live' => 0 //means messages that can't be delivered immediately are discarded. 
	);

	$aResult = $FCMPushNotification->sendToDevice(
		$sDeviceToken,		
		$aPayload,
		$aOptions // optional
	);
	
	var_dump($aResult);

other available methods

• sendToCondition($sCondition, $aPayload, $aOptions);
• sendToDevices($aDeviceTokens, $aPayload, $aOptions);
• sendToDeviceGroup($sGroupname, $aPayload, $aOptions);
• sendToTopic($sTopic, $aPayload, $aOptions)

Payload

Parameter	Usage	Description
data	Optional, object	This parameter specifies the custom key-value pairs of the message's payload. For example, with data:{"score":"3x1"}: On iOS, if the message is sent via APNS, it represents the custom data fields. If it is sent via FCM connection server, it would be represented as key value dictionary in AppDelegate application:didReceiveRemoteNotification:. On Android, this would result in an intent extra named score with the string value 3x1. The key should not be a reserved word ("from" or any word starting with "google" or "gcm"). Do not use any of the words defined in this table (such as collapse_key). Values in string types are recommended. You have to convert values in objects or other non-string data types (e.g., integers or booleans) to string.
notification	Optional, object	This parameter specifies the predefined, user-visible key-value pairs of the notification payload. See Notification payload support for detail. For more information about notification message and data message options, see Message types.

Options

Parameter	Usage	Description
collapse_key	Optional, string	This parameter identifies a group of messages (e.g., with collapse_key: "Updates Available") that can be collapsed, so that only the last message gets sent when delivery can be resumed. This is intended to avoid sending too many of the same messages when the device comes back online or becomes active. Note that there is no guarantee of the order in which messages get sent. Note: A maximum of 4 different collapse keys is allowed at any given time. This means a FCM connection server can simultaneously store 4 different send-to-sync messages per client app. If you exceed this number, there is no guarantee which 4 collapse keys the FCM connection server will keep.
priority	Optional, string	Sets the priority of the message. Valid values are "normal" and "high." On iOS, these correspond to APNs priorities 5 and 10. By default, notification messages are sent with high priority, and data messages are sent with normal priority. Normal priority optimizes the client app's battery consumption and should be used unless immediate delivery is required. For messages with normal priority, the app may receive the message with unspecified delay. When a message is sent with high priority, it is sent immediately, and the app can wake a sleeping device and open a network connection to your server. For more information, see Setting the priority of a message.
content_available	Optional, boolean	On iOS, use this field to represent content-available in the APNs payload. When a notification or message is sent and this is set to true, an inactive client app is awoken. On Android, data messages wake the app by default. On Chrome, currently not supported.
mutable_content	Optional, JSON boolean	Currently for iOS 10+ devices only. On iOS, use this field to represent mutable-content in the APNS payload. When a notification is sent and this is set to true, the content of the notification can be modified before it is displayed, using a Notification Service app extension. This parameter will be ignored for Android and web.
time_to_live	Optional, number	This parameter specifies how long (in seconds) the message should be kept in FCM storage if the device is offline. The maximum time to live supported is 4 weeks, and the default value is 4 weeks. For more information, see Setting the lifespan of a message.
restricted_package_name	Optional, string	This parameter specifies the package name of the application where the registration tokens must match in order to receive the message.
dry_run	Optional, boolean	This parameter, when set to true, allows developers to test a request without actually sending a message.The default value is false.

More info about payload and options settings

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