Chrome headless with Symfony/Process and PHP Version 8

PdfExport.php

<?php

declare(strict_types=1);

namespace App\Service;

use Doctrine\Common\Collections\ArrayCollection;
use Psr\Log\LoggerInterface;
use Symfony\Component\Process\Process;

class PdfExport
{
    private LoggerInterface $logger;
    private string $chromePath = 'chrome';
    private ArrayCollection $commandArguments;

    public function __construct(LoggerInterface $logger, string $chromePath = null)
    {
        $this->logger = $logger;
        if ($chromePath !== null) {
            $this->chromePath = $chromePath;
        }

        $this->commandArguments = new ArrayCollection();
        $this->addDefaultCommandArguments();
    }

    public function addCommandArgument(string $argument): self
    {
        if (!$this->commandArguments->contains($argument)) {
            $this->commandArguments[] = $argument;
        }

        return $this;
    }

    public function removeCommandArgument(string $argument): self
    {
        if ($this->commandArguments->contains($argument)) {
            $this->commandArguments->removeElement($argument);
        }

        return $this;
    }

    private function addDefaultCommandArguments()
    {
        $defaultArguments = [
            $this->chromePath,
            '--headless',
            '--disable-gpu',
            '--disable-software-rasterizer',
            '--disable-dev-shm-usage',
            '--run-all-compositor-stages-before-draw',
            '--include-background',
            '--print-to-pdf-no-header',
            '--no-margins',
            '--no-sandbox',
        ];

        foreach ($defaultArguments as $defaultArgument) {
            $this->addCommandArgument($defaultArgument);
        }
    }

    public function generatePdf($inFile, $outFile): bool
    {
        $this->addCommandArgument('--print-to-pdf=' . $outFile);
        $this->addCommandArgument($inFile);

        $process = new Process($this->commandArguments->toArray(), null, null, null, null);

        $this->logger->debug('Init process to convert HTML to PDF', ['cmdline' => $process->getCommandLine()]);

        $process->start();

        $this->logger->debug('Process started', ['pid' => $process->getPid()]);

        $process->wait(function ($type, $buffer) {
            if (Process::ERR === $type) {
                $this->logger->debug('Process stderr', ['msg' => $buffer]);
            } else {
                $this->logger->debug('Process stdout', ['msg' => $buffer]);
            }
        });

        $this->logger->debug('Process exit code', ['code' => $process->getExitCode()]);

        $process->stop(0);
        $this->logger->debug('Process stopped');

        return $process->isSuccessful();
    }

}