.php-cs-fixer.php

<?php
$rules = [
    '@PSR2' => true,
    'array_syntax' => ['syntax' => 'short'],
    'multiline_whitespace_before_semicolons' => true,
    'no_unused_imports' => true,
    'no_useless_else' => true,
    'ordered_imports' => [
        'sort_algorithm' => 'alpha',
    ],
    'global_namespace_import' => [
        'import_classes' => true,
    ],
    'fully_qualified_strict_types' => true,
    'phpdoc_add_missing_param_annotation' => true,
    'phpdoc_indent' => true,
    'phpdoc_no_package' => true,
    'phpdoc_order' => true,
    'phpdoc_separation' => true,
    'phpdoc_single_line_var_spacing' => true,
    'phpdoc_trim' => true,
    'single_quote' => true,
    'ternary_operator_spaces' => true,
    'trailing_comma_in_multiline' => true,
    'trim_array_spaces' => true,
];

$excludes = [
    'vendor',
    'storage',
    'bootstrap/cache',
];

$finder = PhpCsFixer\Finder::create()
    ->in(__DIR__)
    ->exclude($excludes)
    ->notName('README.md')
    ->notName('*.xml')
    ->notName('*.yml')
    ->notName('_ide_helper.php')
    ->notName('_ide_helper_models.php');

$config = new PhpCsFixer\Config();
return $config->setRules($rules)
    ->setFinder($finder);