Send Push Notifications from PHP Server to Android Devices -

i send push notifications app users , have written server side script in php.

in many blogs this one, have read send notifications server android devices, need server key, in 1 of recent tutorial read browser key

so key need get, work done, either server key or browser key, , may know exact difference between these two keys.

you need use server key push notification.

refer here difference between server key , browser key