四种PHP异步执行的常用方式

$.get("doRequest.php", { name: "fdipzone"} );
<img  src="doRequest.php?name=fdipzone" alt="四种PHP异步执行的常用方式" >

// popen — 打开进程文件指针 
resource popen ( string $command
, string $mode
)
pclose(popen('php /home/fdipzone/doRequest.php &', 'r'));

<?php
$ch
= curl_init();
$curl_opt
= array(
  CURLOPT_URL, &#39;http://www.example.com/doRequest.php&#39;
  CURLOPT_RETURNTRANSFER,1,
  CURLOPT_TIMEOUT,1
);
curl_setopt_array($ch, $curl_opt);
curl_exec($ch);
curl_close($ch);
?>

<?php
    
$url
= &#39;http://www.example.com/doRequest.php&#39;;
$param
= array(
  &#39;name&#39;=>&#39;fdipzone&#39;,
  &#39;gender&#39;=>&#39;male&#39;,
  &#39;age&#39;=>30
);
    
doRequest($url, $param);
    
function
doRequest($url, $param=array()){
    
  $urlinfo
= parse_url($url);
    
  $host
= $urlinfo[&#39;host&#39;];
  $path
= $urlinfo[&#39;path&#39;];
  $query
= isset($param)? http_build_query($param) : &#39;&#39;;
    
  $port
= 80;
  $errno
= 0;
  $errstr
= &#39;&#39;;
  $timeout
= 10;
    
  $fp
= fsockopen($host, $port, $errno, $errstr, $timeout);
    
  $out
= "POST ".$path." HTTP/1.1\r\n";
  $out
.= "host:".$host."\r\n";
  $out
.= "content-length:".strlen($query)."\r\n";
  $out
.= "content-type:application/x-www-form-urlencoded\r\n";
  $out
.= "connection:close\r\n\r\n";
  $out
.= $query;
    
  fputs($fp, $out);
  fclose($fp);
}
    
?>

ignore_user_abort(true); // 忽略客户端断开
set_time_limit(0);    // 设置执行不超时