php实现多进程多任务的一例代码
时间：2021-07-01 10:21:17
帮助过：18人阅读
/** - *基于PHP5实现
- *借助proc_open
- *能启动多进程，你可以使用你的想象力做你想做的了
- *如果你是在linux上跑php，并且启用pcntl模块后，使用pcntl函数该更好
- *最后修改：by bbs.it-home.org 2013/6/20
- **/
- error_reporting(E_ALL);
- set_time_limit(0);
class Thread { - protected $_pref; // process reference
- protected static $_instance = null;
- protected $_pipes;
private function __construct() { - $this->_pref = 0;
- }
public static function getInstance($file) { - if (null == self::$_instance) {
- self::$_instance = new self;
- }
$descriptor = array( - 0 => array("pipe", "r"),
- 1 => array("pipe", "w"),
- 2 => array("file", "./error-output.txt", "a"),
- );
- self::$_instance->_pref = proc_open("php -q $file", $descriptor, self::$_instance->_pipes);
- return true;
- }
public function __destruct() { - proc_close($this->_pref);
- $this->_pref = null;
- }
- ?>
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