4种PHP异步执行的常用方式

$.get("doRequest.php", { name: "fdipzone"} );
<img src="doRequest.php?name=fdipzone">

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

<?php 
   
$url = 'http://www.example.com/doRequest.php'; 
$param = array( 
  'name'=>'fdipzone', 
  'gender'=>'male', 
  'age'=>30 
); 
   
doRequest($url, $param); 
   
function doRequest($url, $param=array()){ 
   
  $urlinfo = parse_url($url); 
   
  $host = $urlinfo['host']; 
  $path = $urlinfo['path']; 
  $query = isset($param)? http_build_query($param) : ''; 
   
  $port = 80; 
  $errno = 0; 
  $errstr = ''; 
  $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