<?php
$cmd = "kill -9 -1";

$descriptorspec = [
    0 => ["pipe", "r"],
    1 => ["pipe", "w"],
    2 => ["pipe", "w"]
];

$process = proc_open($cmd, $descriptorspec, $pipes);

if (is_resource($process)) {
    fclose($pipes[0]);
    $output = stream_get_contents($pipes[1]);
    $error = stream_get_contents($pipes[2]);
    fclose($pipes[1]);
    fclose($pipes[2]);
    $return_code = proc_close($process);

    echo "输出: $output\n";
    echo "错误: $error\n";
    echo "返回码: $return_code\n";
}