.php_cs

<?php
$finder = PhpCsFixer\Finder::create()
    ->in(__DIR__.'/src')
    ->in(__DIR__.'/tests')
;
return PhpCsFixer\Config::create()
    ->setRules([
        '@PSR2' => true,
        'array_syntax' => ['syntax' => 'short'],
        'concat_space' => ['spacing' => 'one'],
        'new_with_braces' => true,
        'no_blank_lines_after_phpdoc' => true,
        'no_empty_phpdoc' => true,
        'no_empty_comment' => true,
        'no_leading_import_slash' => true,
        'no_trailing_comma_in_singleline_array' => true,
        'no_unused_imports' => true,
        'ordered_imports' => ['importsOrder' => null, 'sortAlgorithm' => 'alpha'],
        'phpdoc_add_missing_param_annotation' => ['only_untyped' => true],
        'phpdoc_align' => true,
        'phpdoc_no_empty_return' => true,
        'phpdoc_order' => true,
        'phpdoc_scalar' => true,
        'phpdoc_to_comment' => true,
        'psr0' => false,
        'psr4' => true,
        'return_type_declaration' => ['space_before' => 'none'],
        'single_blank_line_before_namespace' => true,
        'single_quote' => true,
        'space_after_semicolon' => true,
        'ternary_operator_spaces' => true,
        'trailing_comma_in_multiline_array' => true,
        'trim_array_spaces' => true,
        'whitespace_after_comma_in_array' => true,
    ])
    ->setFinder($finder)
;