.php_cs

<?php
return PhpCsFixer\Config::create()
    ->setRiskyAllowed(true)
    ->setRules([
        '@PSR2' => true,
        'array_syntax' => [
            'syntax' => 'short'
        ],
        'blank_line_before_statement' => [
            'statements' => ['return', 'try']
        ],
        'cast_spaces' => [
            'space' => 'none'
        ],
        'compact_nullable_typehint' => true,
        'concat_space' => [
            'spacing' => 'one'
        ],
        'function_typehint_space' => true,
        'lowercase_cast' => true,
        'method_separation' => true,
        'modernize_types_casting' => true,
        'no_blank_lines_after_class_opening' => true,
        'no_blank_lines_after_phpdoc' => true,
        'no_blank_lines_before_namespace' => true,
        'no_empty_comment' => true,
        'no_empty_phpdoc' => true,
        'no_empty_statement' => true,
        'no_leading_namespace_whitespace' => true,
        'no_short_bool_cast' => true,
        'no_singleline_whitespace_before_semicolons' => true,
        'no_trailing_comma_in_list_call' => true,
        'no_trailing_comma_in_singleline_array' => true,
        'no_unused_imports' => true,
        'no_whitespace_before_comma_in_array' => true,
        'no_whitespace_in_blank_line' => true
    ])
    ->setFinder(
        PhpCsFixer\Finder::create()
            ->in(__DIR__)
            ->exclude('.Build')
            ->notName('ext_emconf.php')
    );