Php 推送IOS 这段代码有有关问题吗

	function tuisong(){
		//手机注册应用返回唯一的deviceToken   
		$deviceToken = '7146a15ef9e1ebb8122c110e6fc970a454db3a9946ce24402481a564ee900e'; 
		$deviceToken = $deviceToken; 
		//ck.pem通关密码   
		$pass = 'yeyu';     //$pass = '123456';   
		//消息内容   
		$message = 'zao shang  hao!';  
		//badge我也不知是什么   
		$badge = 4;  
		//sound我也不知是什么（或许是推送消息到手机时的提示音）   
		$sound = 'Duck.wav';  
		//建设的通知有效载荷（即通知包含的一些信息）   
		$body = array();  
		//$body['id'] = "4f94d38e7d9704f15c000055";  
		$body['aps'] = array('alert' => $message,'issystem'=>1);  
		if ($badge)  
		  $body['aps']['badge'] = $badge;  
		if ($sound)  
		  $body['aps']['sound'] = $sound;  
		//把数组数据转换为json数据   
		$payload = json_encode($body);  
		print_r($payload);
		//echo strlen($payload),"rn";  
		  
		//下边的写法就是死写法了，一般不需要修改，   
		//唯一要修改的就是：ssl://gateway.sandbox.push.apple.com:2195这个是沙盒测试地址，ssl://gateway.push.apple.com:2195正式发布地址   
		
		$apnscert=$_SERVER['DOCUMENT_ROOT'].'data/ck.pem';
		print_r($apnscert);
		$ctx = stream_context_create();  
		var_dump($ctx);
		//stream_context_set_option($ctx, 'ssl', 'local_cert', 'ck.pem');  
		stream_context_set_option($ctx, 'ssl', 'local_cert', $apnscert);   
		stream_context_set_option($ctx, 'ssl', 'passphrase', $pass);  
		$fp = stream_socket_client('ssl://gateway.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT, $ctx);  
		//var_dump($fp);
		if (!$fp) {  
			print "Failed to connect $err $errstrn";  
			return;  
		}  
		else {  
		   //print "Connection OKn<br/>";  
		}  
		// send message  (群发要循环)
		$msg = chr(0) . pack("n",32) . pack('H*', str_replace(' ', '', $deviceToken)) . pack("n",strlen($payload)) . $payload;  
		print "Sending message :" . $payload . "n";    
		fwrite($fp, $msg);  
		fclose($fp); 
	}

<?php

class Push
{
    public $deviceToken;
    public $localcert = 'ck.pem';
    public $passphrase = '11111';


    private function createPayload($message, $type, $sound, $number, $mid)
    {
        $body = array("aps" => array("alert" => $message, "badge" => 1, "sound" => 'received5.caf'));
        // Encode the payload as JSON
        $payload = json_encode($body);

        return $payload;
    }

    // Put your private key's passphrase here:
    public function  pushData($message, $type, $sound, $number, $mid)
    {
        $pem = dirname(dirname(__FILE__)) . '/' . $this->localcert;
        if (!file_exists($pem)) {
            echo '沒有找到密匙文件!' . PHP_EOL;
            exit;
        }
        //echo $pem . PHP_EOL;//debug

        $ctx = stream_context_create();
        stream_context_set_option($ctx, 'ssl', 'local_cert', $pem);
        stream_context_set_option($ctx, 'ssl', 'passphrase', $this->passphrase);

        // Open a connection to the APNS server
        //这个为正是的发布地址
        //$fp = stream_socket_client(“ssl://gateway.push.apple.com:2195“, $err, $errstr, 60, //STREAM_CLIENT_CONNECT, $ctx);
    
        $serverURL = "ssl://gateway.push.apple.com:2195";
        $sanBoxURL = "ssl://gateway.sandbox.push.apple.com:2195";
        $fp = stream_socket_client($serverURL, $err, $errstr, 60, STREAM_CLIENT_CONNECT