在这里，我使用mysql重写了php，而不是从文件中检索密钥。在这种情况下，我从表中检索所有 regId
，并将它们放入数组中，并将其传递给sendPushNotification函数，以将消息推送给所有人。这里有2个文件，一个用于连接数据库，一个用于GCM：
connect.php：
<?php $db_host = "localhost"; $db_user = "root"; //change to your database username, it is root by default $db_pass = ''; //change to your database password, for XAMPP it is nothing for WAMPP it is root $db_db = 'gcmFirst'; //change to your database name if(!@mysql_connect($db_host, $db_user, $db_pass) || !@mysql_select_db($db_db)) { die('couldnt connect to database ' .mysql_error()); }?>gcm.php
<?phprequire 'connect.php';function sendPushNotification($registration_ids, $message) { $url = 'https://android.googleapis.com/gcm/send'; $fields = array( 'registration_ids' => $registration_ids, 'data' => $message, ); define('GOOGLE_API_KEY', 'AIzaSyCjctNK2valabAWL7rWUTcoRA-UAXI_3ro'); $headers = array( 'Authorization:key=' . GOOGLE_API_KEY, 'Content-Type: application/json' ); echo json_enpre($fields); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_POSTFIELDS, json_enpre($fields)); $result = curl_exec($ch); if($result === false) die('Curl failed ' . curl_error()); curl_close($ch); return $result;}$pushStatus = '';if(!empty($_GET['push'])) { $query = "SELECT regId FROM users"; if($query_run = mysql_query($query)) { $gcmRegIds = array(); while($query_row = mysql_fetch_assoc($query_run)) { array_push($gcmRegIds, $query_row['regId']); } } $pushMessage = $_POST['message']; if(isset($gcmRegIds) && isset($pushMessage)) { $message = array('message' => $pushMessage); $pushStatus = sendPushNotification($gcmRegIds, $message); } }if(!empty($_GET['shareRegId'])) { $gcmRegId = $_POST['regId']; $query = "INSERT INTO users VALUES ('', '$gcmRegId')"; if($query_run = mysql_query($query)) { echo 'OK'; exit; } }?><html> <head> <title>Google Cloud Messaging (GCM) Server in PHP</title> </head> <body> <h1>Google Cloud Messaging (GCM) Server in PHP</h1> <form method = 'POST' action = 'gcm.php/?push=1'> <div> <textarea rows = 2 name = "message" cols = 23 placeholder = 'Messages to Transmit via GCM'></textarea> </div> <div> <input type = 'submit' value = 'Send Push Notification via GCM'> </div> <p><h3><?php echo $pushStatus ?></h3></p> </form> </body></html>您要做的就是创建一个数据库，该数据库具有一个以id，regId和name为列的users表。
希望这是您要寻找的
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