Example of a self-contained, minimalist Symfony Console application

binary.php

#!/usr/bin/env php
<?php

declare(strict_types=1);

use Imagecow\Image;
use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Filesystem\Filesystem;

set_time_limit(0);
umask(0000);

/** @noinspection PhpIncludeInspection */
require (static function (): string {
    $dir = \dirname(__DIR__);
    while (!file_exists($dir . '/vendor/autoload.php')) {
        $dir = \dirname($dir);
        if ('/' === $dir) {
            throw new \UnexpectedValueException('Can\'t find a parent folder containing Composer\'s autoloader');
        }
    }

    return $dir . '/vendor/autoload.php';
})();

$command = new class('crop:balanced') extends Command
{
    protected function configure(): void
    {
        $this
            ->addArgument('sourceImagePath', InputArgument::REQUIRED, 'Absolute path to the input image')
            ->addArgument('imagePath', InputArgument::REQUIRED, 'Absolute path to the output image')
            ->addArgument('width', InputArgument::REQUIRED, 'Width for the crop')
            ->addArgument('height', InputArgument::REQUIRED, 'Height for the crop');
    }

    protected function execute(InputInterface $input, OutputInterface $output): void
    {
        $imagePath = $input->getArgument('imagePath');

        // Here we create the directory for the destination image, otherwise Imagick will crash
        $directory = \dirname($imagePath);
        if (!file_exists($directory)) {
            (new Filesystem())->mkdir($directory);

            /** @noinspection NotOptimalIfConditionsInspection */
            if (!file_exists($directory)) {
                throw new \RuntimeException(sprintf('Could not create folder "%s" for Imagick.', $directory));
            }
        }

        Image::fromFile($input->getArgument('sourceImagePath'))
            ->crop($input->getArgument('width'), $input->getArgument('height'), Image::CROP_BALANCED)
            ->save($imagePath);
    }
};

$application = (new Application())
    ->add($command)
    ->getApplication()
    ->setDefaultCommand($command->getName(), true)
    ->run();