.php-cs-fixer.php

<?php

$config = new PhpCsFixer\Config();

$config->setRules([
        'psr_autoloading' => true,
        '@PSR2'           => true,

        'array_syntax'           => ['syntax' => 'short'],
        'binary_operator_spaces' => [
            'default'   => 'single_space',
            'operators' => [
                '=>' => 'align_single_space_minimal',
            ],
        ],
        'blank_line_after_opening_tag'           => true,
        'blank_line_before_statement'            => ['statements' => ['return']],
        'cast_spaces'                            => true,
        'class_attributes_separation'            => ['elements' => ['const' => 'one', 'method' => 'one', 'property' => 'one']],
        'concat_space'                           => ['spacing' => 'one'],
        'declare_equal_normalize'                => true,
        'declare_strict_types'                   => false,
        'function_typehint_space'                => true,
        'include'                                => true,
        'increment_style'                        => ['style' => 'post'],
        'lowercase_cast'                         => true,
        'multiline_whitespace_before_semicolons' => true,
        'native_function_casing'                 => true,
        'new_with_braces'                        => true,
        'no_blank_lines_after_class_opening'     => true,
        'no_blank_lines_after_phpdoc'            => true,
        'no_empty_phpdoc'                        => true,
        'no_empty_statement'                     => true,
        'no_extra_blank_lines'                   => ['tokens' => [
            'curly_brace_block',
            'extra',
            'parenthesis_brace_block',
            'square_brace_block',
            'throw',
            'use',
        ]],
        'no_leading_import_slash'                     => true,
        'no_leading_namespace_whitespace'             => true,
        'no_mixed_echo_print'                         => ['use' => 'echo'],
        'no_multiline_whitespace_around_double_arrow' => true,
        'no_short_bool_cast'                          => true,
        'no_singleline_whitespace_before_semicolons'  => true,
        'no_spaces_around_offset'                     => true,
        'no_trailing_comma_in_list_call'              => true,
        'no_unneeded_control_parentheses'             => true,
        'no_unused_imports'                           => true,
        'no_useless_else'                             => true,
        'no_useless_return'                           => true,
        'no_whitespace_before_comma_in_array'         => true,
        'no_whitespace_in_blank_line'                 => true,
        'normalize_index_brace'                       => true,
        'object_operator_without_whitespace'          => true,
        'ordered_imports'                             => true,
        'phpdoc_align'                                => true,
        'phpdoc_annotation_without_dot'               => true,
        'phpdoc_indent'                               => true,
        'phpdoc_no_access'                            => true,
        'phpdoc_no_alias_tag'                         => true,
        'phpdoc_no_empty_return'                      => false,
        'phpdoc_no_package'                           => true,
        'phpdoc_no_useless_inheritdoc'                => true,
        'phpdoc_return_self_reference'                => true,
        'phpdoc_scalar'                               => true,
        'phpdoc_separation'                           => true,
        'phpdoc_single_line_var_spacing'              => true,
        'phpdoc_summary'                              => true,
        'phpdoc_to_comment'                           => true,
        'phpdoc_trim'                                 => true,
        'phpdoc_types'                                => true,
        'phpdoc_var_without_name'                     => true,
        'return_type_declaration'                     => ['space_before' => 'none'],
        'self_accessor'                               => true,
        'short_scalar_cast'                           => true,
        'single_blank_line_before_namespace'          => true,
        'single_class_element_per_statement'          => true,
        'single_line_comment_style'                   => true,
        'single_quote'                                => true,
        'simplified_null_return'                      => true,
        'space_after_semicolon'                       => true,
        'standardize_not_equals'                      => true,
        'trailing_comma_in_multiline'                 => ['elements' => ['arrays']],
        'trim_array_spaces'                           => true,
        'void_return'                                 => true,
        'whitespace_after_comma_in_array'             => true,
    ])
    ->setLineEnding("\n");

return $config;