<?php
function sendMessageToPhone()  
{  
    $deviceToken = $_POST['deviceToken'];	// Returned from GCM when a user opens the app, device specific
	$messageText = $_POST['message'];		// Message that will be send to the user
	$collapseKey = $_POST['collapseKey'];	// Key used to group messages, for example '123'
	$yourKey = $_POST['apiKey'];			// Retrieve from https://code.google.com/apis/console/
	
    $headers = array('Authorization:key=' . $yourKey);  
    $data = array(  
        'to' => $deviceToken,  
        'collapse_key' => $collapseKey,  
        'data.message' => $messageText,
		'delay_while_idle' => false,
		'time_to_live' => 108,
		'message_id' => uniqid('nerd_'));
  
    $ch = curl_init();  
  
    curl_setopt($ch, CURLOPT_URL, "https://android.googleapis.com/gcm/send");  
    if ($headers)  
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);  
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);  
    curl_setopt($ch, CURLOPT_POST, true);  
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);  
  
    $response = curl_exec($ch);  
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);  
    if (curl_errno($ch)) {  
        //request failed  
        return false;//probably you want to return false  
    }  
    if ($httpCode != 200) {  
        //request failed  
        return false;//probably you want to return false  
    }  
    curl_close($ch);
    $arr = array ('response'=>$response);
    echo json_encode($arr);
    return $response;  
}

if (isset($_POST['deviceToken'])) {
	sendMessageToPhone();
}

?>