常用的东西

**exec命令**
$php_exes = array('/usr/local/sinasrv2/bin/php', '/usr/local/php/bin/php');
        $php_exe = '';
        foreach ($php_exes as $idx => $path) {
            if (file_exists($path)) {
                $php_exe = $path;
                break;
            }
        }
$cmd = $php_exe . " " . $path . "/preRun.php -b ".$batch." > /tmp/preRun_echo.log 2>&1 & echo $!";
        $routput = null;
        $rval = null;
        $pid = exec($cmd, $routput, $rval);
        print_r($routput);
—————————————————————————————————————————————
**Curl HOST**
 $ch = curl_init();
            $url = 'http://' .$ip_pid['ip']. '/test/runAPI/singleStop?batch='.$batch.'&tid='.$tid.'&ip='.$ip_pid['ip'].'&pid='.$ip_pid['pid'];
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_HTTPHEADER, array("Host: photo.house.sina.com.cn"));
            curl_exec($ch);