$stdout = stream_get_contents($pipes[1]);
$stderr = stream_get_contents($pipes[2]);
foreach ($pipes as $pipe) {
fclose($pipe);
}
$status = trim(proc_close($resource));
如果成功$status为0,$stdout是命令输出;失败则$status为错误code,$stderr为对应错误信息字符串
原文:http://blog.51cto.com/hjun169/2322062