.php-cs-fixer.php

<?php
$finder = Symfony\Component\Finder\Finder::create()
    ->in([
        __DIR__ . '/src',
        __DIR__ . '/example'
    ])
    ->name('*.php')
    ->notPath('bootstrap/*')
    ->notPath('storage/*')
    ->notPath('vendor')
    ->ignoreDotFiles(true)
    ->ignoreVCS(true);

return (new PhpCsFixer\Config())
    ->setRules([
        '@PSR2' => true,
        'array_syntax' => ['syntax' => 'short'],
        'ordered_imports' => ['sort_algorithm' => 'alpha'],
        'no_unused_imports' => true,
        'not_operator_with_successor_space' => true,
        'trailing_comma_in_multiline' => true,
        'phpdoc_scalar' => true,
        'unary_operator_spaces' => true,
        'binary_operator_spaces' => true,
        'blank_line_before_statement' => [
            'statements' => ['break', 'continue', 'declare', 'return', 'throw', 'try'],
        ],
        'braces' => [
            'allow_single_line_closure' => false,
            'position_after_functions_and_oop_constructs' => 'next',
            'position_after_anonymous_constructs' => 'next',
            'position_after_control_structures' => 'next',
        ],
        'curly_braces_position' => [
            'classes_opening_brace' => 'next_line_unless_newline_at_signature_end',
            'control_structures_opening_brace'  => 'next_line_unless_newline_at_signature_end'
        ],
        'phpdoc_single_line_var_spacing' => true,
        'phpdoc_var_without_name' => true,
        'method_argument_space' => [
            'on_multiline' => 'ensure_fully_multiline',
            'keep_multiple_spaces_after_comma' => true,
        ],
        'single_trait_insert_per_statement' => true,
    ])
    ->setFinder($finder);