.php-cs-fixer.php

<?php

return (new PhpCsFixer\Config())
    ->setRules([
        '@PER-CS' => true,
        'braces_position' => [
            'functions_opening_brace' => 'same_line',
            'classes_opening_brace' => 'same_line',
            'control_structures_opening_brace' => 'same_line',
            'anonymous_functions_opening_brace' => 'same_line',
            'anonymous_classes_opening_brace' => 'same_line',
        ],
        'single_quote' => true,
        'visibility_required' => false,
        'trailing_comma_in_multiline' => [
            'elements' => ['arrays'],
        ],
        'method_argument_space' => [
            'on_multiline' => 'ensure_fully_multiline',
        ],
        'no_trailing_comma_in_singleline' => true,
    ])
    ->setIndent('    ') // 4 spaces
    ->setLineEnding("\n") // LF line endings
    ->setFinder(
        PhpCsFixer\Finder::create()
            ->in(__DIR__)
            ->exclude('vendor')
            ->exclude('node_modules')
            ->exclude('packages/tableberg/includes/freemius')
            ->exclude('packages/pro/includes/freemius')
    );