how to push android notifications

https://gist.github.com/prime31/5675017

<?php
	// API access key from Google API's Console
	define( 'API_ACCESS_KEY', 'YOUR-API-ACCESS-KEY-GOES-HERE' );
	$registrationIds = array( $_GET['id'] );
	// prep the bundle
	$msg = array
	(
	'message' => 'here is a message. message',
	'title' => 'This is a title. title',
	'subtitle' => 'This is a subtitle. subtitle',
	'tickerText' => 'Ticker text here...Ticker text here...Ticker text here',
	'vibrate' => 1,
	'sound' => 1,
	'largeIcon' => 'large_icon',
	'smallIcon' => 'small_icon'
	);
	$fields = array
	(
	'registration_ids' => $registrationIds,
	'data' => $msg
	);
	$headers = array
	(
	'Authorization: key=' . API_ACCESS_KEY,
	'Content-Type: application/json'
	);
	$ch = curl_init();
	curl_setopt( $ch,CURLOPT_URL, 'https://android.googleapis.com/gcm/send' );
	curl_setopt( $ch,CURLOPT_POST, true );
	curl_setopt( $ch,CURLOPT_HTTPHEADER, $headers );
	curl_setopt( $ch,CURLOPT_RETURNTRANSFER, true );
	curl_setopt( $ch,CURLOPT_SSL_VERIFYPEER, false );
	curl_setopt( $ch,CURLOPT_POSTFIELDS, json_encode( $fields ) );
	$result = curl_exec($ch );
	curl_close( $ch );
	echo $result;