PHP-CS-Fixer/php-cs-fixer

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

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

use Composer\XdebugHandler\XdebugHandler;
use PhpCsFixer\Console\Application;

error_reporting(E_ALL & ~E_DEPRECATED & ~E_USER_DEPRECATED);

set_error_handler(static function (int $severity, string $message, string $file, int $line): bool {
    if (0 !== ($severity & error_reporting())) {
        throw new ErrorException($message, 0, $severity, $file, $line);
    }

    return true;
});

// check environment requirements
(static function (): void {
    if (\PHP_VERSION_ID === (int) '80000') { // TODO use 8_00_00 once only PHP 7.4+ is supported by this entry file
        fwrite(STDERR, "PHP CS Fixer is not able run on PHP 8.0.0 due to bug in PHP tokenizer (https://bugs.php.net/bug.php?id=80462).\n");
        fwrite(STDERR, "Update PHP version to unblock execution.\n");

        exit(1);
    }

    if (\PHP_VERSION_ID < (int) '70400' || \PHP_VERSION_ID >= (int) '80400') {
        fwrite(STDERR, "PHP needs to be a minimum version of PHP 7.4.0 and maximum version of PHP 8.3.*.\n");
        fwrite(STDERR, 'Current PHP version: '.PHP_VERSION.".\n");

        if (filter_var(getenv('PHP_CS_FIXER_IGNORE_ENV'), FILTER_VALIDATE_BOOLEAN)) {
            fwrite(STDERR, "Ignoring environment requirements because `PHP_CS_FIXER_IGNORE_ENV` is set. Execution may be unstable.\n");
        } else {
            fwrite(STDERR, "To ignore this requirement please set `PHP_CS_FIXER_IGNORE_ENV`.\n");
            fwrite(STDERR, "If you use PHP version higher than supported, you may experience code modified in a wrong way.\n");
            fwrite(STDERR, "Please report such cases at https://github.com/PHP-CS-Fixer/PHP-CS-Fixer .\n");

            exit(1);
        }
    }

    foreach (['json', 'tokenizer'] as $extension) {
        if (!extension_loaded($extension)) {
            fwrite(STDERR, sprintf("PHP extension ext-%s is missing from your system. Install or enable it.\n", $extension));

            if (filter_var(getenv('PHP_CS_FIXER_IGNORE_ENV'), FILTER_VALIDATE_BOOLEAN)) {
                fwrite(STDERR, "Ignoring environment requirements because `PHP_CS_FIXER_IGNORE_ENV` is set. Execution may be unstable.\n");
            } else {
                exit(1);
            }
        }
    }
})();

// load dependencies
(static function (): void {
    $require = true;
    if (class_exists('Phar')) {
        // Maybe this file is used as phar-stub? Let's try!
        try {
            Phar::mapPhar('php-cs-fixer.phar');

            /** @phpstan-ignore requireOnce.fileNotFound */
            require_once 'phar://php-cs-fixer.phar/vendor/autoload.php';

            $require = false;
        } catch (PharException $e) {
        }
    }

    if ($require) {
        // OK, it's not, let give Composer autoloader a try!
        $possibleFiles = [__DIR__.'/../../autoload.php', __DIR__.'/../autoload.php', __DIR__.'/vendor/autoload.php'];
        $file = null;
        foreach ($possibleFiles as $possibleFile) {
            if (file_exists($possibleFile)) {
                $file = $possibleFile;

                break;
            }
        }

        if (null === $file) {
            throw new RuntimeException('Unable to locate autoload.php file.');
        }

        require_once $file;
    }
})();

// Restart if xdebug is loaded, unless the environment variable PHP_CS_FIXER_ALLOW_XDEBUG is set.
$xdebug = new XdebugHandler('PHP_CS_FIXER');
$xdebug->check();
unset($xdebug);

$application = new Application();
$application->run();

__HALT_COMPILER();