async_process.php

async_process.php

<?php
class AsyncProcess
{
    private int $pid;
    private string $command;

    /**
     * AsyncProcess constructor.
     * @param string $command
     */
    public function __construct(string $command)
    {
        $this->command = $command;
    }

    public function exec(): void
    {
        $command = 'nohup ' . $this->command . ' > /dev/null 2>&1 & echo $!';
        exec($command, $op);
        $this->pid = (int)$op[0];
    }

    public function isFinished(): bool
    {
        exec('ps -p ' . $this->pid, $op);
        if (!isset($op[1])) {
            return true;
        }
        return false;
    }
}