PHP语言实现脚本异步执行

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;        ?>