PHP Coding Standards Fixer

The PHP Coding Standards Fixer (PHP CS Fixer) tool fixes your code to follow standards; whether you want to follow PHP coding standards as defined in the PSR-1, PSR-2, etc., or other community driven ones like the Symfony one. You can also define your (team's) style through configuration.

Requirements

PHP needs to be a minimum version of PHP 7.4.

Installation

Globally (Composer)

To install PHP CS Fixer, install Composer and issue the following command:

composer global require friendsofphp/php-cs-fixer

Globally (homebrew)

brew install php-cs-fixer

Update

Globally (Composer)

You can update php-cs-fixer through this command:

./composer.phar global update friendsofphp/php-cs-fixer

Globally (homebrew)

You can update php-cs-fixer through this command:

brew upgrade php-cs-fixer

Install extension

Config File

Create the file .php-cs-fixer.php inside the .vscode/ directory and add the content below to the file:

<?php

$config = new PhpCsFixer\Config();

return $config
    ->setRules([
        '@PSR12' => true,
        'new_with_braces' => false,
        'array_indentation' => true,
        'array_syntax' => ['syntax' => 'short'],
        'combine_consecutive_unsets' => true,
        'multiline_whitespace_before_semicolons' => true,
        'single_quote' => true,
        'blank_line_before_statement' => true,
        'braces' => [
            'allow_single_line_closure' => true,
        ],
        'concat_space' => ['spacing' => 'one'],
        'declare_equal_normalize' => true,
        'function_typehint_space' => true,
        'include' => true,
        'lowercase_cast' => true,
        'no_multiline_whitespace_around_double_arrow' => true,
        'no_spaces_around_offset' => true,
        'no_unused_imports' => true,
        'no_whitespace_before_comma_in_array' => true,
        'no_whitespace_in_blank_line' => true,
        'object_operator_without_whitespace' => true,
        'single_blank_line_before_namespace' => true,
        'ternary_operator_spaces' => true,
        'trailing_comma_in_multiline' => true,
        'trim_array_spaces' => true,
        'unary_operator_spaces' => true,
        'binary_operator_spaces' => true,
        'whitespace_after_comma_in_array' => true,
        'single_trait_insert_per_statement' => false,
    ])
    ->setLineEnding("\n");

That's it, every time a file is saved the fixer will be executed.

To install PHP-Cs-Fixer on Windows, just follow this tutorial windows.

VSCode PHP CS Fixer