Example scenarios

composer.json

{
    "require": {
        "hollodotme/fast-cgi-client": "^2.0",
        "symfony/process": "^4.2"
    }
}

scenarios.php

<?php
// Bootstrap
require 'vendor/autoload.php';

use hollodotme\FastCGI\Client;
use hollodotme\FastCGI\Requests\GetRequest;
use hollodotme\FastCGI\SocketConnections\UnixDomainSocket;

class Scenarios {
    protected $num = 10;
    protected $callables = ['runExec', 'runProcess', 'runFastcgi'];
    protected $client;

    public function __construct()
    {
        $connection = new UnixDomainSocket('/Users/barry/.valet/valet.sock');
        $this->client = new Client( $connection );
    }

    public function runAll() {
        foreach ($this->callables as $callable) {
            // Cold start
            $start = microtime(true);

            $output = call_user_func([$this, $callable]);

//            echo $output;

            echo("$callable COLD: " . round((microtime(true) - $start) * 1000, 2) . "ms\n");

            $start = microtime(true);

            // Hot start
            for ($i=0; $i<$this->num; $i++) {
                $output = call_user_func([$this, $callable]);
//                echo $output;
            }

            echo("$callable HOT: " . round(((microtime(true) - $start) / $this->num) * 1000, 2) . "ms\n");
        }

    }

    public function runExec()
    {
        return exec('php script.php');
    }

    public function runProcess()
    {
        $process = new \Symfony\Component\Process\Process(['/usr/local/bin/php', 'script.php']);
        $process->setTimeout(null);

        // This waits for the process to finish (i.e. waits until an event has been processed)
        $process->run();

        return $process->getOutput();
    }


    public function runFastcgi()
    {
        $request = new GetRequest(__DIR__ .'/script.php', '');

        $response = $this->client->sendRequest($request);

        return $response->getBody();
    }
}

$scenarios = new Scenarios();

$scenarios->runAll();

script.php

<?php

echo  microtime(true) . " - Hello world!\n";