Jderusse\Warmup\Compiler\PhpServerCompiler::startServer PHP Method

    public function startServer()
    {
        $finder = new PhpExecutableFinder();
        if (false === ($binary = $finder->find())) {
            throw new \RuntimeException('Unable to find PHP binary to run server.');
        }
        $builder = new ProcessBuilder(['exec', $binary, '-S', $this->address, realpath(__DIR__ . '/../Resource/server.php')]);
        $builder->setWorkingDirectory(realpath(__DIR__ . '/../Resource'));
        $builder->setTimeout(null);
        $this->process = $builder->getProcess();
        $this->process->start();
        $this->waitServer();
    }