LMC Coding Standard for PHP

PHP coding standard used in LMC projects.

Standard is based on PSR-2 and adds various checks to make sure the code is readable, does follow the same conventions and does not contain common mistakes.

We use EasyCodingStandard to define and execute checks created for both PHP-CS-Fixer and PHP_CodeSniffer.

Installation

composer require --dev lmc/coding-standard

Usage

1. Create ecs.php file in the root directory of your project and import the LMC code-style rules:

<?php declare(strict_types=1);

use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;

return static function (ContainerConfigurator $containerConfigurator): void {
    $containerConfigurator->import(__DIR__ . '/vendor/lmc/coding-standard/ecs.php');
};

2. Run the check command (for src/ and tests/ directories):

vendor/bin/ecs check src/ tests/

3. Optionally we recommend adding this to scripts section of your composer.json:

    "scripts": {
        "analyze": [
            "vendor/bin/ecs check src/ tests/ --ansi",
            "[... other scripts, like PHPStan etc.]"
        ],
        "fix": [
            "...",
            "vendor/bin/ecs check ./src/ ./tests/ --ansi --fix"
        ],
    }

Now you will be able to run the fix using composer analyze and execute automatic fixes with composer fix.

Add custom checks or override default settings

On top of default code-style rules you are free to add any rules from PHP-CS-Fixer or PHP_CodeSniffer. If needed, you can also override some default settings.

Be aware you must add these settings after import of the base LMC code-style:

<?php declare(strict_types=1);

use PHP_CodeSniffer\Standards\Generic\Sniffs\Files\LineLengthSniff;
use PhpCsFixer\Fixer\PhpUnit\PhpUnitTestAnnotationFixer;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;

return static function (ContainerConfigurator $containerConfigurator): void {
    $containerConfigurator->import(__DIR__ . '/vendor/lmc/coding-standard/ecs.php');

    $services = $containerConfigurator->services();

    // Enforce line-length to 120 characters
    $services->set(LineLengthSniff::class)
        ->property('absoluteLineLimit', 120);

    // Tests must have @test annotation
    $services->set(PhpUnitTestAnnotationFixer::class)
        ->call('configure', [['style' => 'annotation']]);
};

See EasyCodingStandard docs for more configuration options.

Exclude (skip) checks or files

You can configure your ecs.php to entirely skip some files, disable specific checks of suppress specific errors.

Unlike adding/modifying checks, skips must be added before import of the base LMC code-style.

<?php declare(strict_types=1);

use PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\ForbiddenFunctionsSniff;
use PHP_CodeSniffer\Standards\Squiz\Sniffs\Arrays\ArrayDeclarationSniff;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
use Symplify\EasyCodingStandard\ValueObject\Option;

return static function (ContainerConfigurator $containerConfigurator): void {
    $parameters = $containerConfigurator->parameters();

    $parameters->set(
        Option::SKIP,
        [
            // Ignore specific check only in specific files
            ForbiddenFunctionsSniff::class => [__DIR__ . '/src-tests/bootstrap.php'],
            // Disable check entirely
            ArrayDeclarationSniff::class,
            // Skip one file
            __DIR__ . '/file/to/be/skipped.php',
            // Skip entire directory
            __DIR__ . '/ignored/directory/*',
        ]
    );

    $containerConfigurator->import(__DIR__ . '/vendor/lmc/coding-standard/ecs.php');
};

See EasyCodingStandard docs for more configuration options.

IDE integration

For integration with PHPStorm etc. follow instructions in EasyCodingStandard README.

Changelog

For latest changes see CHANGELOG.md file. We follow Semantic Versioning.

License

This library is open source software licensed under the MIT license.