.php_cs

<?php

$finder = PhpCsFixer\Finder::create()
    ->files()
    ->in([
        __DIR__ . '/src',
        __DIR__ . '/tests',
    ])
    ->notName('*.phpt');

if (!\file_exists(__DIR__ . '/var')) {
    \mkdir(__DIR__ . '/var');
}

/**
 * This configuration was taken from https://github.com/sebastianbergmann/phpunit/blob/master/.php_cs.dist
 * and slightly adjusted.
 */
return PhpCsFixer\Config::create()
    ->setRiskyAllowed(true)
    ->setCacheFile(__DIR__.'/var/.php_cs.cache')
    ->setRules([
        'align_multiline_comment' => true,
        'array_indentation' => true,
        'array_syntax' => ['syntax' => 'short'],
        'blank_line_after_namespace' => true,
        'blank_line_before_statement' => [
            'statements' => [
                'break',
                'continue',
                'declare',
                'default',
                'die',
                'do',
                'exit',
                'for',
                'foreach',
                'goto',
                'if',
                'include',
                'include_once',
                'require',
                'require_once',
                'return',
                'switch',
                'throw',
                'try',
                'while',
            ],
        ],
        'braces' => true,
        'cast_spaces' => true,
        'class_attributes_separation' => ['elements' => ['const', 'method', 'property']],
        'combine_consecutive_issets' => true,
        'combine_consecutive_unsets' => true,
        'compact_nullable_typehint' => true,
        'concat_space' => ['spacing' => 'one'],
        'constant_case' => true,
        'declare_equal_normalize' => ['space' => 'none'],
        'declare_strict_types' => true,
        'dir_constant' => true,
        'elseif' => true,
        'encoding' => true,
        'explicit_indirect_variable' => true,
        'explicit_string_variable' => true,
        'full_opening_tag' => true,
        'fully_qualified_strict_types' => true,
        'function_typehint_space' => true,
        'function_declaration' => true,
        'global_namespace_import' => [
            'import_classes' => false,
            'import_constants' => false,
            'import_functions' => false,
        ],
        'heredoc_to_nowdoc' => true,
        'increment_style' => [
            'style' => PhpCsFixer\Fixer\Operator\IncrementStyleFixer::STYLE_POST,
        ],
        'indentation_type' => true,
        'is_null' => true,
        'line_ending' => true,
        'list_syntax' => ['syntax' => 'short'],
        'logical_operators' => true,
        'lowercase_keywords' => true,
        'lowercase_static_reference' => true,
        'magic_constant_casing' => true,
        'magic_method_casing' => true,
        'method_argument_space' => ['ensure_fully_multiline' => true],
        'modernize_types_casting' => false,
        'multiline_comment_opening_closing' => true,
        'multiline_whitespace_before_semicolons' => true,
        'native_constant_invocation' => false,
        'native_function_casing' => false,
        'native_function_invocation' => true,
        'native_function_type_declaration_casing' => true,
        'new_with_braces' => false,
        'no_alias_functions' => true,
        'no_alternative_syntax' => true,
        'no_blank_lines_after_class_opening' => true,
        'no_blank_lines_after_phpdoc' => true,
        'no_blank_lines_before_namespace' => false,
        'no_closing_tag' => true,
        'no_empty_comment' => true,
        'no_empty_phpdoc' => true,
        'no_empty_statement' => true,
        'no_extra_blank_lines' => true,
        'no_homoglyph_names' => true,
        'no_leading_import_slash' => true,
        'no_leading_namespace_whitespace' => true,
        'no_mixed_echo_print' => ['use' => 'print'],
        'no_multiline_whitespace_around_double_arrow' => true,
        'no_null_property_initialization' => true,
        'no_php4_constructor' => true,
        'no_short_bool_cast' => true,
        'no_short_echo_tag' => true,
        'no_singleline_whitespace_before_semicolons' => true,
        'no_spaces_after_function_name' => true,
        'no_spaces_around_offset' => true,
        'no_spaces_inside_parenthesis' => true,
        'no_superfluous_elseif' => true,
        'no_superfluous_phpdoc_tags' => false,
        'no_trailing_comma_in_list_call' => true,
        'no_trailing_comma_in_singleline_array' => true,
        'no_trailing_whitespace' => true,
        'no_trailing_whitespace_in_comment' => true,
        'no_unneeded_control_parentheses' => true,
        'no_unneeded_curly_braces' => true,
        'no_unneeded_final_method' => true,
        'no_unreachable_default_argument_value' => true,
        'no_unset_on_property' => 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,
        'non_printable_character' => true,
        'normalize_index_brace' => true,
        'object_operator_without_whitespace' => true,
        'ordered_class_elements' => [
            'order' => [
                'use_trait',
                'constant_public',
                'constant_protected',
                'constant_private',
                'property_public_static',
                'property_protected_static',
                'property_private_static',
                'property_public',
                'property_protected',
                'property_private',
                'construct',
                'method_public_static',
                'destruct',
                'magic',
                'phpunit',
                'method_public',
                'method_protected',
                'method_private',
                'method_protected_static',
                'method_private_static',
            ],
        ],
        'ordered_imports' => [
            'imports_order' => [
                PhpCsFixer\Fixer\Import\OrderedImportsFixer::IMPORT_TYPE_CONST,
                PhpCsFixer\Fixer\Import\OrderedImportsFixer::IMPORT_TYPE_FUNCTION,
                PhpCsFixer\Fixer\Import\OrderedImportsFixer::IMPORT_TYPE_CLASS,
            ]
        ],
        'ordered_interfaces' => [
            'direction' => 'ascend',
            'order' => 'alpha',
        ],
        'phpdoc_add_missing_param_annotation' => false,
        'phpdoc_align' => ['align' => 'left'],
        'phpdoc_annotation_without_dot' => true,
        'phpdoc_indent' => true,
        'phpdoc_no_access' => true,
        'phpdoc_no_empty_return' => true,
        'phpdoc_no_package' => true,
        'phpdoc_order' => true,
        'phpdoc_return_self_reference' => true,
        'phpdoc_scalar' => true,
        'phpdoc_separation' => true,
        'phpdoc_single_line_var_spacing' => true,
        'phpdoc_summary' => true,
        'phpdoc_to_comment' => false,
        'phpdoc_trim' => true,
        'phpdoc_trim_consecutive_blank_line_separation' => true,
        'phpdoc_types' => ['groups' => ['simple', 'meta']],
        'phpdoc_types_order' => true,
        'phpdoc_var_without_name' => true,
        'pow_to_exponentiation' => true,
        'protected_to_private' => true,
        'return_assignment' => true,
        'return_type_declaration' => ['space_before' => 'one'],
        'self_accessor' => true,
        'self_static_accessor' => true,
        'semicolon_after_instruction' => true,
        'set_type_to_cast' => true,
        'short_scalar_cast' => true,
        'simple_to_complex_string_variable' => true,
        'simplified_null_return' => false,
        'single_blank_line_at_eof' => true,
        'single_import_per_statement' => true,
        'single_line_after_imports' => true,
        'single_quote' => true,
        'standardize_not_equals' => true,
        'strict_param' => true,
        'ternary_to_null_coalescing' => true,
        'trailing_comma_in_multiline_array' => true,
        'trim_array_spaces' => true,
        'unary_operator_spaces' => true,
        'visibility_required' => [
            'elements' => [
                'const',
                'method',
                'property',
            ],
        ],
        'void_return' => true,
        'whitespace_after_comma_in_array' => true,
    ])
    ->setFinder($finder);