php语言得用fsockopen()函数,实现脚本异步运行,代码如下

//异步请求函数(用debug参数若为true则为用为调试,开启调试可以看到异步的执行情况,但是失去异步的效果)

main.php

    <?php        function request_by_fsockopen($url,$post_data=array(),$debug=false){            $url_array = parse_url($url);            $hostname = $url_array['host'];            $port = isset($url_array['port'])? $url_array['port'] : 80;            @$requestPath = $url_array['path'] ."?". $url_array['query'];            $fp = fsockopen($hostname, $port, $errno, $errstr, 10);            if (!$fp) {                echo "$errstr ($errno)";                return false;            }            $method = "GET";            if(!empty($post_data)){                $method = "POST";            }            $header = "$method $requestPath HTTP/1.1\r\n";            $header.="Host: $hostname\r\n";            if(!empty($post_data)){                $_post = strval(NULL);                foreach($post_data as $k => $v){                $_post[]= $k."=".urlencode($v);//必须做url转码以防模拟post提交的数据中有&符而导致post参数键值对紊乱                }                $_post = implode('&', $_post);                $header .= "Content-Type: application/x-www-form-urlencoded\r\n";//POST数据                $header .= "Content-Length: ". strlen($_post) ."\r\n";//POST数据的长度                $header.="Connection: Close\r\n\r\n";//长连接关闭                $header .= $_post; //传递POST数据            }else{                $header.="Connection: Close\r\n\r\n";//长连接关闭            }            fwrite($fp, $header);            //-----------------调试代码区间-----------------            //注如果开启下面的注释,异步将不生效可是方便调试            if($debug){            $html = '';            while (!feof($fp)) {            $html.=fgets($fp);            }            echo $html;            }            //-----------------调试代码区间-----------------            fclose($fp);        }                $data=array('name'=>'guoyu','pwd'=>'123456');        $url='http://localhost/test/other.php';        request_by_fsockopen($url,$data,true);//  

other.php

    <?php        header("content-type:text/html;charset=utf-8");        //error_reporting(0);        //ini_set('html_errors',false);        //ini_set('display_errors',false);        $name = isset($_POST['name'])?$_POST['name']:'';        $pwd = isset($_POST['pwd'])?$_POST['pwd']:'';        echo $name.$pwd;        echo 'success ok';        die;        ?>  

使用实例:
[运行的main.php主脚本文件]
$data=array('name'=>'guoyu','pwd'=>'123456');
$url='http://localhost/test/other.php';
 request_by_fsockopen($url,$data,true);//把应用B的用户表异步-同步数据

[导步执行文件other.php]
在other.php中便可以用$_POST接收main.php提交过来的参数，从而进行下一步操作