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本文以实例简单解析了php多任务程序的实现方法，具体代码如下：
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;
}
}
// 测试代码
$file = FILE;
if(empty($argv[1])) {
$t2 = Thread::getInstance("$file 1");
$t3 = Thread::getInstance("$file 2");
$t4 = Thread::getInstance("$file 3");
$t5 = Thread::getInstance("$file 4");
$t5 = Thread::getInstance("$file 5");
$t5 = Thread::getInstance("$file 6");
$t2 = Thread::getInstance("$file 7");
$t3 = Thread::getInstance("$file 8");
$t4 = Thread::getInstance("$file 9");
$t5 = Thread::getInstance("$file 10");
$t5 = Thread::getInstance("$file 11");
$t5 = Thread::getInstance("$file 12");
echo "Main thread donen";
} else {
$somecontent = "rn//~~~~-这次请求序号是：" . $argv[1];
sleep(mt_rand(0,3));
$handle = fopen($file,'a+');
fwrite($handle,$somecontent);
}
（编辑：安卓应用网）
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