.php-cs-fixer.dist.php

<?php

$finder = PhpCsFixer\Finder::create()
    ->in(__DIR__)
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@PSR2' => true,

        // @PSR12
        'binary_operator_spaces' => true,
        'blank_line_after_opening_tag' => true,
        'compact_nullable_typehint' => true,
        'declare_equal_normalize' => true,
        'lowercase_cast' => true,
        'lowercase_static_reference' => true,
        'new_with_braces' => true,
        'no_blank_lines_after_class_opening' => true,
        'no_leading_import_slash' => true,
        'no_whitespace_in_blank_line' => true,
        'ordered_class_elements' => [
            'order' => [
                'use_trait',
            ],
        ],
        'ordered_imports' => [
            'imports_order' => [
                'class',
                'function',
                'const',
            ],
            'sort_algorithm' => 'alpha', // added
        ],
        'return_type_declaration' => true,
        'short_scalar_cast' => true,
        'single_blank_line_before_namespace' => true,
        'single_trait_insert_per_statement' => true,
        'ternary_operator_spaces' => true,
        'unary_operator_spaces' => true,
        'visibility_required' => [
            'elements' => [
                'const',
                'method',
                'property',
            ],
        ],

        // custom
        'align_multiline_comment' => true,
        'single_quote' => true,
        'array_syntax' => ['syntax' => 'short'],

        'braces' => [
            'allow_single_line_closure' => true,
        ],
        'cast_spaces' => true,
        'class_attributes_separation' => true,
        'class_definition' => ['single_line' => true],
        'concat_space' => [
            'spacing' => 'one', // changed
        ],

        'function_typehint_space' => true,
        'include' => true,

        'magic_constant_casing' => true,
        'magic_method_casing' => true,
        'method_argument_space' => true,
        'native_function_casing' => true,
        'native_function_type_declaration_casing' => 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_namespace_whitespace' => true,

        'no_multiline_whitespace_around_double_arrow' => true,
        'no_short_bool_cast' => true,
        'no_singleline_whitespace_before_semicolons' => true,
        'no_spaces_around_offset' => true,
        'no_superfluous_phpdoc_tags' => ['allow_mixed' => true, 'allow_unused_params' => true],
        'no_trailing_comma_in_list_call' => true,
        'no_trailing_comma_in_singleline_array' => true,
        'no_unneeded_control_parentheses' => true,
        'no_unneeded_curly_braces' => ['namespaces' => true],
        'no_unused_imports' => true,
        'no_whitespace_before_comma_in_array' => true,

        'normalize_index_brace' => true,
        'object_operator_without_whitespace' => true,

        'php_unit_fqcn_annotation' => true,
        'phpdoc_align' => [
            // @TODO: on 3.0 switch whole rule to `=> true`, currently we use custom config that will be default on 3.0
            'tags' => [
                'method',
                'param',
                'property',
                'return',
                'throws',
                'type',
                'var',
            ],
        ],
        //  'phpdoc_annotation_without_dot' => true,
        'phpdoc_indent' => true,
        'phpdoc_no_access' => true,
        'phpdoc_no_alias_tag' => true,
        '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_trim_consecutive_blank_line_separation' => true,
        'phpdoc_types' => true,
        'phpdoc_types_order' => [
            'null_adjustment' => 'always_last',
            'sort_algorithm' => 'none',
        ],
        'phpdoc_var_without_name' => true,

        'semicolon_after_instruction' => true,

        'single_class_element_per_statement' => true,
        'single_line_comment_style' => [
            'comment_types' => ['hash'],
        ],
        'single_line_throw' => true,
        // 'single_quote' => true,

        'space_after_semicolon' => [
            'remove_in_empty_for_expressions' => true,
        ],
        'standardize_increment' => true,
        'standardize_not_equals' => true,

        'trailing_comma_in_multiline' => true,
        'trim_array_spaces' => true,

        'whitespace_after_comma_in_array' => true,
    ])
    ->setFinder($finder)
    ;