Repository: ergebnis/php-cs-fixer-config (php)

Issue:
Add `Php55` rule set

Pull request description:
Enhancement: Add `Php55` rule set
This pull request

- [x] adds a `Php55` rule set

Fixes #779.


Patch:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66c83d3..7970c67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ For a full diff see [`5.5.2...main`][5.5.2...main].
 - Reverted removal of `Config\Ruleset\Php71` rule set ([#776]), by [@localheinz]
 - Added `Config\Ruleset\Php70` rule set ([#777]), by [@localheinz]
 - Added `Config\Ruleset\Php56` rule set ([#783]), by [@localheinz]
+- Added `Config\Ruleset\Php55` rule set ([#784]), by [@localheinz]
 
 ## [`5.5.2`][5.5.2]
 
@@ -952,6 +953,7 @@ For a full diff see [`d899e77...1.0.0`][d899e77...1.0.0].
 [#776]: https://github.com/ergebnis/php-cs-fixer-config/pull/776
 [#777]: https://github.com/ergebnis/php-cs-fixer-config/pull/777
 [#783]: https://github.com/ergebnis/php-cs-fixer-config/pull/783
+[#784]: https://github.com/ergebnis/php-cs-fixer-config/pull/784
 
 [@dependabot]: https://github.com/apps/dependabot
 [@linuxjuggler]: https://github.com/linuxjuggler
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 016744d..1fe32b3 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -5,6 +5,14 @@
       <code>__construct</code>
     </PossiblyUnusedMethod>
   </file>
+  <file src="src/RuleSet/Php55.php">
+    <NonInvariantDocblockPropertyType>
+      <code>$rules</code>
+    </NonInvariantDocblockPropertyType>
+    <UnusedClass>
+      <code>Php55</code>
+    </UnusedClass>
+  </file>
   <file src="src/RuleSet/Php56.php">
     <NonInvariantDocblockPropertyType>
       <code>$rules</code>
diff --git a/src/RuleSet/Php55.php b/src/RuleSet/Php55.php
new file mode 100644
index 0000000..6fd0742
--- /dev/null
+++ b/src/RuleSet/Php55.php
@@ -0,0 +1,801 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019-2023 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/php-cs-fixer-config
+ */
+
+namespace Ergebnis\PhpCsFixer\Config\RuleSet;
+
+final class Php55 extends AbstractRuleSet implements ExplicitRuleSet
+{
+    protected string $name = 'ergebnis (PHP 5.5)';
+    protected array $rules = [
+        'align_multiline_comment' => [
+            'comment_type' => 'all_multiline',
+        ],
+        'array_indentation' => true,
+        'array_push' => true,
+        'array_syntax' => [
+            'syntax' => 'short',
+        ],
+        'assign_null_coalescing_to_coalesce_equal' => false,
+        'backtick_to_shell_exec' => true,
+        'binary_operator_spaces' => [
+            'default' => 'single_space',
+            'operators' => [],
+        ],
+        'blank_line_after_namespace' => true,
+        'blank_line_after_opening_tag' => true,
+        'blank_line_before_statement' => [
+            'statements' => [
+                'break',
+                'case',
+                'continue',
+                'declare',
+                'default',
+                'do',
+                'exit',
+                'for',
+                'foreach',
+                'goto',
+                'if',
+                'include',
+                'include_once',
+                'phpdoc',
+                'require',
+                'require_once',
+                'return',
+                'switch',
+                'throw',
+                'try',
+                'while',
+                'yield',
+                'yield_from',
+            ],
+        ],
+        'blank_line_between_import_groups' => false,
+        'cast_spaces' => [
+            'space' => 'single',
+        ],
+        'class_attributes_separation' => [
+            'elements' => [
+                'const' => 'only_if_meta',
+                'method' => 'one',
+                'property' => 'only_if_meta',
+                'trait_import' => 'none',
+            ],
+        ],
+        'class_definition' => [
+            'inline_constructor_arguments' => true,
+            'multi_line_extends_each_single_line' => false,
+            'single_item_single_line' => false,
+            'single_line' => false,
+            'space_before_parenthesis' => false,
+        ],
+        'class_reference_name_casing' => true,
+        'clean_namespace' => true,
+        'combine_consecutive_issets' => true,
+        'combine_consecutive_unsets' => true,
+        'combine_nested_dirname' => true,
+        'comment_to_phpdoc' => [
+            'ignored_tags' => [],
+        ],
+        'compact_nullable_typehint' => false,
+        'concat_space' => [
+            'spacing' => 'one',
+        ],
+        'constant_case' => [
+            'case' => 'lower',
+        ],
+        'control_structure_braces' => true,
+        'control_structure_continuation_position' => [
+            'position' => 'same_line',
+        ],
+        'curly_braces_position' => [
+            'allow_single_line_anonymous_functions' => false,
+            'allow_single_line_empty_anonymous_classes' => false,
+            'anonymous_classes_opening_brace' => 'same_line',
+            'anonymous_functions_opening_brace' => 'same_line',
+            'classes_opening_brace' => 'next_line_unless_newline_at_signature_end',
+            'control_structures_opening_brace' => 'same_line',
+            'functions_opening_brace' => 'next_line_unless_newline_at_signature_end',
+        ],
+        'date_time_create_from_format_call' => true,
+        'date_time_immutable' => true,
+        'declare_equal_normalize' => [
+            'space' => 'none',
+        ],
+        'declare_parentheses' => true,
+        'declare_strict_types' => true,
+        'dir_constant' => true,
+        'doctrine_annotation_array_assignment' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'operator' => ':',
+        ],
+        'doctrine_annotation_braces' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'syntax' => 'without_braces',
+        ],
+        'doctrine_annotation_indentation' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'indent_mixed_lines' => false,
+        ],
+        'doctrine_annotation_spaces' => [
+            'after_argument_assignments' => false,
+            'after_array_assignments_colon' => true,
+            'after_array_assignments_equals' => false,
+            'around_commas' => true,
+            'around_parentheses' => true,
+            'before_argument_assignments' => false,
+            'before_array_assignments_colon' => false,
+            'before_array_assignments_equals' => false,
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+        ],
+        'echo_tag_syntax' => [
+            'format' => 'long',
+            'long_function' => 'echo',
+            'shorten_simple_statements_only' => true,
+        ],
+        'elseif' => true,
+        'empty_loop_body' => [
+            'style' => 'braces',
+        ],
+        'empty_loop_condition' => [
+            'style' => 'while',
+        ],
+        'encoding' => true,
+        'ereg_to_preg' => true,
+        'error_suppression' => [
+            'mute_deprecation_error' => true,
+            'noise_remaining_usages' => true,
+            'noise_remaining_usages_exclude' => [],
+        ],
+        'escape_implicit_backslashes' => [
+            'double_quoted' => true,
+            'heredoc_syntax' => true,
+            'single_quoted' => false,
+        ],
+        'explicit_indirect_variable' => true,
+        'explicit_string_variable' => true,
+        'final_class' => true,
+        'final_internal_class' => [
+            'annotation_exclude' => [
+                '@Entity',
+                '@final',
+                '@Mapping\\Entity',
+                '@ORM\\Entity',
+                '@ORM\\Mapping\\Entity',
+            ],
+            'annotation_include' => [
+                '@internal',
+            ],
+            'consider_absent_docblock_as_internal_class' => false,
+        ],
+        'final_public_method_for_abstract_class' => true,
+        'fopen_flag_order' => true,
+        'fopen_flags' => [
+            'b_mode' => true,
+        ],
+        'full_opening_tag' => true,
+        'fully_qualified_strict_types' => true,
+        'function_declaration' => [
+            'closure_fn_spacing' => 'one',
+            'closure_function_spacing' => 'one',
+            'trailing_comma_single_line' => false,
+        ],
+        'function_to_constant' => [
+            'functions' => [
+                'get_called_class',
+                'get_class',
+                'php_sapi_name',
+                'phpversion',
+                'pi',
+            ],
+        ],
+        'function_typehint_space' => true,
+        'general_phpdoc_annotation_remove' => false,
+        'general_phpdoc_tag_rename' => [
+            'case_sensitive' => false,
+            'fix_annotation' => true,
+            'fix_inline' => true,
+            'replacements' => [
+                'inheritdoc' => 'inheritdoc',
+                'inheritdocs' => 'inheritdoc',
+            ],
+        ],
+        'get_class_to_class_keyword' => false,
+        'global_namespace_import' => false,
+        'group_import' => false,
+        'header_comment' => false,
+        'heredoc_indentation' => false,
+        'heredoc_to_nowdoc' => true,
+        'implode_call' => true,
+        'include' => true,
+        'increment_style' => [
+            'style' => 'pre',
+        ],
+        'indentation_type' => true,
+        'integer_literal_case' => true,
+        'is_null' => true,
+        'lambda_not_used_import' => true,
+        'line_ending' => true,
+        'linebreak_after_opening_tag' => true,
+        'list_syntax' => [
+            'syntax' => 'short',
+        ],
+        'logical_operators' => true,
+        'lowercase_cast' => true,
+        'lowercase_keywords' => true,
+        'lowercase_static_reference' => true,
+        'magic_constant_casing' => true,
+        'magic_method_casing' => true,
+        'mb_str_functions' => true,
+        'method_argument_space' => [
+            'after_heredoc' => false,
+            'keep_multiple_spaces_after_comma' => false,
+            'on_multiline' => 'ensure_fully_multiline',
+        ],
+        'method_chaining_indentation' => true,
+        'modernize_strpos' => false,
+        'modernize_types_casting' => true,
+        'multiline_comment_opening_closing' => true,
+        'multiline_whitespace_before_semicolons' => [
+            'strategy' => 'no_multi_line',
+        ],
+        'native_constant_invocation' => [
+            'exclude' => [
+                'false',
+                'null',
+                'true',
+            ],
+            'fix_built_in' => true,
+            'include' => [],
+            'scope' => 'all',
+            'strict' => false,
+        ],
+        'native_function_casing' => true,
+        'native_function_invocation' => [
+            'exclude' => [],
+            'include' => [
+                '@internal',
+            ],
+            'scope' => 'all',
+            'strict' => false,
+        ],
+        'native_function_type_declaration_casing' => true,
+        'new_with_braces' => [
+            'anonymous_class' => true,
+            'named_class' => true,
+        ],
+        'no_alias_functions' => [
+            'sets' => [
+                '@IMAP',
+                '@internal',
+            ],
+        ],
+        'no_alias_language_construct_call' => true,
+        'no_alternative_syntax' => [
+            'fix_non_monolithic_code' => true,
+        ],
+        'no_binary_string' => true,
+        'no_blank_lines_after_class_opening' => true,
+        'no_blank_lines_after_phpdoc' => true,
+        'no_blank_lines_before_namespace' => false,
+        'no_break_comment' => [
+            'comment_text' => 'no break',
+        ],
+        'no_closing_tag' => true,
+        'no_empty_comment' => true,
+        'no_empty_phpdoc' => true,
+        'no_empty_statement' => true,
+        'no_extra_blank_lines' => [
+            'tokens' => [
+                'break',
+                'case',
+                'continue',
+                'curly_brace_block',
+                'default',
+                'extra',
+                'parenthesis_brace_block',
+                'return',
+                'square_brace_block',
+                'switch',
+                'throw',
+                'use',
+            ],
+        ],
+        'no_homoglyph_names' => true,
+        'no_leading_import_slash' => true,
+        'no_leading_namespace_whitespace' => true,
+        'no_mixed_echo_print' => [
+            'use' => 'echo',
+        ],
+        'no_multiline_whitespace_around_double_arrow' => true,
+        'no_multiple_statements_per_line' => true,
+        'no_null_property_initialization' => true,
+        'no_php4_constructor' => false,
+        'no_short_bool_cast' => true,
+        'no_singleline_whitespace_before_semicolons' => true,
+        'no_space_around_double_colon' => true,
+        'no_spaces_after_function_name' => true,
+        'no_spaces_around_offset' => [
+            'positions' => [
+                'inside',
+                'outside',
+            ],
+        ],
+        'no_spaces_inside_parenthesis' => true,
+        'no_superfluous_elseif' => true,
+        'no_superfluous_phpdoc_tags' => [
+            'allow_mixed' => true,
+            'allow_unused_params' => false,
+            'remove_inheritdoc' => false,
+        ],
+        'no_trailing_comma_in_singleline' => [
+            'elements' => [
+                'arguments',
+                'array',
+                'array_destructuring',
+                'group_import',
+            ],
+        ],
+        'no_trailing_whitespace' => true,
+        'no_trailing_whitespace_in_comment' => true,
+        'no_trailing_whitespace_in_string' => true,
+        'no_unneeded_control_parentheses' => [
+            'statements' => [
+                'break',
+                'clone',
+                'continue',
+                'echo_print',
+                'negative_instanceof',
+                'others',
+                'return',
+                'switch_case',
+                'yield',
+                'yield_from',
+            ],
+        ],
+        'no_unneeded_curly_braces' => [
+            'namespaces' => false,
+        ],
+        'no_unneeded_final_method' => [
+            'private_methods' => true,
+        ],
+        'no_unneeded_import_alias' => true,
+        'no_unreachable_default_argument_value' => true,
+        'no_unset_cast' => true,
+        'no_unset_on_property' => true,
+        'no_unused_imports' => true,
+        'no_useless_concat_operator' => [
+            'juggle_simple_strings' => true,
+        ],
+        'no_useless_else' => true,
+        'no_useless_nullsafe_operator' => false,
+        'no_useless_return' => true,
+        'no_useless_sprintf' => true,
+        'no_whitespace_before_comma_in_array' => [
+            'after_heredoc' => false,
+        ],
+        'no_whitespace_in_blank_line' => true,
+        'non_printable_character' => [
+            'use_escape_sequences_in_strings' => false,
+        ],
+        'normalize_index_brace' => true,
+        'not_operator_with_space' => false,
+        'not_operator_with_successor_space' => false,
+        'nullable_type_declaration_for_default_null_value' => [
+            'use_nullable_type_declaration' => true,
+        ],
+        'object_operator_without_whitespace' => true,
+        'octal_notation' => false,
+        'operator_linebreak' => [
+            'only_booleans' => true,
+            'position' => 'beginning',
+        ],
+        'ordered_class_elements' => [
+            'order' => [
+                'use_trait',
+                'constant_public',
+                'constant_protected',
+                'constant_private',
+                'property_public',
+                'property_protected',
+                'property_private',
+                'construct',
+                'destruct',
+                'magic',
+                'phpunit',
+                'method_public',
+                'method_protected',
+                'method_private',
+            ],
+            'sort_algorithm' => 'none',
+        ],
+        'ordered_imports' => [
+            'imports_order' => [
+                'class',
+                'const',
+                'function',
+            ],
+            'sort_algorithm' => 'alpha',
+        ],
+        'ordered_interfaces' => [
+            'direction' => 'ascend',
+            'order' => 'alpha',
+        ],
+        'ordered_traits' => false,
+        'php_unit_construct' => [
+            'assertions' => [
+                'assertEquals',
+                'assertNotEquals',
+                'assertNotSame',
+                'assertSame',
+            ],
+        ],
+        'php_unit_data_provider_static' => [
+            'force' => false,
+        ],
+        'php_unit_dedicate_assert' => [
+            'target' => 'newest',
+        ],
+        'php_unit_dedicate_assert_internal_type' => [
+            'target' => 'newest',
+        ],
+        'php_unit_expectation' => [
+            'target' => 'newest',
+        ],
+        'php_unit_fqcn_annotation' => true,
+        'php_unit_internal_class' => false,
+        'php_unit_method_casing' => [
+            'case' => 'camel_case',
+        ],
+        'php_unit_mock' => [
+            'target' => 'newest',
+        ],
+        'php_unit_mock_short_will_return' => true,
+        'php_unit_namespaced' => [
+            'target' => 'newest',
+        ],
+        'php_unit_no_expectation_annotation' => [
+            'target' => 'newest',
+            'use_class_const' => true,
+        ],
+        'php_unit_set_up_tear_down_visibility' => true,
+        'php_unit_size_class' => false,
+        'php_unit_strict' => false,
+        'php_unit_test_annotation' => [
+            'style' => 'prefix',
+        ],
+        'php_unit_test_case_static_method_calls' => [
+            'call_type' => 'self',
+            'methods' => [],
+        ],
+        'php_unit_test_class_requires_covers' => false,
+        'phpdoc_add_missing_param_annotation' => [
+            'only_untyped' => true,
+        ],
+        'phpdoc_align' => [
+            'align' => 'vertical',
+            'tags' => [
+                'method',
+                'param',
+                'property',
+                'property-read',
+                'property-write',
+                'return',
+                'throws',
+                'type',
+                'var',
+            ],
+        ],
+        'phpdoc_annotation_without_dot' => true,
+        'phpdoc_indent' => true,
+        'phpdoc_inline_tag_normalizer' => [
+            'tags' => [
+                'example',
+                'id',
+                'inheritdoc',
+                'inheritdocs',
+                'internal',
+                'link',
+                'source',
+                'toc',
+                'tutorial',
+            ],
+        ],
+        'phpdoc_line_span' => [
+            'const' => 'multi',
+            'method' => 'multi',
+            'property' => 'multi',
+        ],
+        'phpdoc_no_access' => true,
+        'phpdoc_no_alias_tag' => [
+            'replacements' => [
+                'link' => 'see',
+                'property-read' => 'property',
+                'property-write' => 'property',
+                'type' => 'var',
+            ],
+        ],
+        'phpdoc_no_empty_return' => true,
+        'phpdoc_no_package' => true,
+        'phpdoc_no_useless_inheritdoc' => true,
+        'phpdoc_order' => [
+            'order' => [
+                'deprecated',
+                'internal',
+                'covers',
+                'uses',
+                'dataProvider',
+                'param',
+                'throws',
+                'return',
+            ],
+        ],
+        'phpdoc_order_by_value' => [
+            'annotations' => [
+                'author',
+                'covers',
+                'coversNothing',
+                'dataProvider',
+                'depends',
+                'group',
+                'internal',
+                'method',
+                'mixin',
+                'property',
+                'property-read',
+                'property-write',
+                'requires',
+                'throws',
+                'uses',
+            ],
+        ],
+        'phpdoc_return_self_reference' => [
+            'replacements' => [
+                '$self' => 'self',
+                '$static' => 'static',
+                '@self' => 'self',
+                '@static' => 'static',
+                '@this' => '$this',
+                'this' => '$this',
+            ],
+        ],
+        'phpdoc_scalar' => [
+            'types' => [
+                'boolean',
+                'callback',
+                'double',
+                'integer',
+                'real',
+                'str',
+            ],
+        ],
+        'phpdoc_separation' => [
+            'groups' => [
+                [
+                    'deprecated',
+                ],
+                [
+                    'link',
+                    'see',
+                    'since',
+                ],
+                [
+                    'author',
+                    'copyright',
+                    'license',
+                ],
+                [
+                    'category',
+                    'package',
+                    'subpackage',
+                ],
+                [
+                    'property',
+                    'property-read',
+                    'property-write',
+                ],
+            ],
+            'skip_unlisted_annotations' => false,
+        ],
+        'phpdoc_single_line_var_spacing' => true,
+        'phpdoc_summary' => true,
+        'phpdoc_tag_casing' => [
+            'tags' => [
+                'inheritDoc',
+            ],
+        ],
+        'phpdoc_tag_type' => [
+            'tags' => [
+                'inheritdoc' => 'inline',
+            ],
+        ],
+        'phpdoc_to_comment' => false,
+        'phpdoc_to_param_type' => false,
+        'phpdoc_to_property_type' => false,
+        'phpdoc_to_return_type' => false,
+        'phpdoc_trim' => true,
+        'phpdoc_trim_consecutive_blank_line_separation' => true,
+        'phpdoc_types' => [
+            'groups' => [
+                'alias',
+                'meta',
+                'simple',
+            ],
+        ],
+        'phpdoc_types_order' => [
+            'null_adjustment' => 'always_first',
+            'sort_algorithm' => 'alpha',
+        ],
+        'phpdoc_var_annotation_correct_order' => true,
+        'phpdoc_var_without_name' => true,
+        'pow_to_exponentiation' => false,
+        'protected_to_private' => true,
+        'psr_autoloading' => [
+            'dir' => null,
+        ],
+        'random_api_migration' => [
+            'replacements' => [
+                'getrandmax' => 'mt_getrandmax',
+                'rand' => 'mt_rand',
+                'srand' => 'mt_srand',
+            ],
+        ],
+        'regular_callable_call' => true,
+        'return_assignment' => true,
+        'return_type_declaration' => false,
+        '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_if_return' => false,
+        'simplified_null_return' => false,
+        'single_blank_line_at_eof' => true,
+        'single_blank_line_before_namespace' => true,
+        'single_class_element_per_statement' => [
+            'elements' => [
+                'const',
+                'property',
+            ],
+        ],
+        'single_import_per_statement' => [
+            'group_to_single_imports' => true,
+        ],
+        'single_line_after_imports' => true,
+        'single_line_comment_spacing' => true,
+        'single_line_comment_style' => [
+            'comment_types' => [
+                'hash',
+            ],
+        ],
+        'single_line_throw' => false,
+        'single_quote' => [
+            'strings_containing_single_quote_chars' => false,
+        ],
+        'single_space_around_construct' => [
+            'constructs_contain_a_single_space' => [
+                'yield_from',
+            ],
+            'constructs_followed_by_a_single_space' => [
+                'abstract',
+                'as',
+                'break',
+                'case',
+                'catch',
+                'class',
+                'clone',
+                'comment',
+                'const',
+                'const_import',
+                'continue',
+                'do',
+                'echo',
+                'else',
+                'elseif',
+                'extends',
+                'final',
+                'finally',
+                'for',
+                'foreach',
+                'function',
+                'function_import',
+                'global',
+                'goto',
+                'if',
+                'implements',
+                'include',
+                'include_once',
+                'instanceof',
+                'insteadof',
+                'interface',
+                'namespace',
+                'new',
+                'open_tag_with_echo',
+                'php_doc',
+                'php_open',
+                'print',
+                'private',
+                'protected',
+                'public',
+                'require',
+                'require_once',
+                'return',
+                'static',
+                'switch',
+                'throw',
+                'trait',
+                'try',
+                'type_colon',
+                'use',
+                'use_lambda',
+                'use_trait',
+                'var',
+                'while',
+                'yield',
+                'yield_from',
+            ],
+            'constructs_preceded_by_a_single_space' => [
+                'use_lambda',
+            ],
+        ],
+        'single_trait_insert_per_statement' => true,
+        'space_after_semicolon' => [
+            'remove_in_empty_for_expressions' => false,
+        ],
+        'standardize_increment' => true,
+        'standardize_not_equals' => true,
+        'statement_indentation' => true,
+        'static_lambda' => true,
+        'strict_comparison' => true,
+        'strict_param' => true,
+        'string_length_to_empty' => true,
+        'string_line_ending' => true,
+        'switch_case_semicolon_to_colon' => true,
+        'switch_case_space' => true,
+        'switch_continue_to_break' => true,
+        'ternary_operator_spaces' => true,
+        'ternary_to_elvis_operator' => true,
+        'ternary_to_null_coalescing' => true,
+        'trailing_comma_in_multiline' => [
+            'after_heredoc' => false,
+            'elements' => [
+                'arrays',
+            ],
+        ],
+        'trim_array_spaces' => true,
+        'types_spaces' => [
+            'space' => 'none',
+            'space_multiple_catch' => 'none',
+        ],
+        'unary_operator_spaces' => true,
+        'use_arrow_functions' => false,
+        'visibility_required' => [
+            'elements' => [
+                'method',
+                'property',
+            ],
+        ],
+        'void_return' => false,
+        'whitespace_after_comma_in_array' => [
+            'ensure_single_space' => true,
+        ],
+        'yoda_style' => [
+            'always_move_variable' => true,
+            'equal' => true,
+            'identical' => true,
+            'less_and_greater' => true,
+        ],
+    ];
+    protected int $targetPhpVersion = 70100;
+}


Test patch:
diff --git a/test/EndToEnd/RuleSet/Php55Test.php b/test/EndToEnd/RuleSet/Php55Test.php
new file mode 100644
index 0000000..2aba4d7
--- /dev/null
+++ b/test/EndToEnd/RuleSet/Php55Test.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019-2023 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/php-cs-fixer-config
+ */
+
+namespace Ergebnis\PhpCsFixer\Config\Test\EndToEnd\RuleSet;
+
+/**
+ * @coversNothing
+ *
+ * @requires PHP 5.5
+ */
+final class Php55Test extends AbstractRuleSetTestCase
+{
+}
diff --git a/test/Unit/RuleSet/Php55Test.php b/test/Unit/RuleSet/Php55Test.php
new file mode 100644
index 0000000..f29dbc9
--- /dev/null
+++ b/test/Unit/RuleSet/Php55Test.php
@@ -0,0 +1,807 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019-2023 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/php-cs-fixer-config
+ */
+
+namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
+
+/**
+ * @internal
+ *
+ * @covers \Ergebnis\PhpCsFixer\Config\RuleSet\AbstractRuleSet
+ * @covers \Ergebnis\PhpCsFixer\Config\RuleSet\Php56
+ */
+final class Php55Test extends ExplicitRuleSetTestCase
+{
+    protected string $name = 'ergebnis (PHP 5.5)';
+    protected array $rules = [
+        'align_multiline_comment' => [
+            'comment_type' => 'all_multiline',
+        ],
+        'array_indentation' => true,
+        'array_push' => true,
+        'array_syntax' => [
+            'syntax' => 'short',
+        ],
+        'assign_null_coalescing_to_coalesce_equal' => false,
+        'backtick_to_shell_exec' => true,
+        'binary_operator_spaces' => [
+            'default' => 'single_space',
+            'operators' => [],
+        ],
+        'blank_line_after_namespace' => true,
+        'blank_line_after_opening_tag' => true,
+        'blank_line_before_statement' => [
+            'statements' => [
+                'break',
+                'case',
+                'continue',
+                'declare',
+                'default',
+                'do',
+                'exit',
+                'for',
+                'foreach',
+                'goto',
+                'if',
+                'include',
+                'include_once',
+                'phpdoc',
+                'require',
+                'require_once',
+                'return',
+                'switch',
+                'throw',
+                'try',
+                'while',
+                'yield',
+                'yield_from',
+            ],
+        ],
+        'blank_line_between_import_groups' => false,
+        'cast_spaces' => [
+            'space' => 'single',
+        ],
+        'class_attributes_separation' => [
+            'elements' => [
+                'const' => 'only_if_meta',
+                'method' => 'one',
+                'property' => 'only_if_meta',
+                'trait_import' => 'none',
+            ],
+        ],
+        'class_definition' => [
+            'inline_constructor_arguments' => true,
+            'multi_line_extends_each_single_line' => false,
+            'single_item_single_line' => false,
+            'single_line' => false,
+            'space_before_parenthesis' => false,
+        ],
+        'class_reference_name_casing' => true,
+        'clean_namespace' => true,
+        'combine_consecutive_issets' => true,
+        'combine_consecutive_unsets' => true,
+        'combine_nested_dirname' => true,
+        'comment_to_phpdoc' => [
+            'ignored_tags' => [],
+        ],
+        'compact_nullable_typehint' => false,
+        'concat_space' => [
+            'spacing' => 'one',
+        ],
+        'constant_case' => [
+            'case' => 'lower',
+        ],
+        'control_structure_braces' => true,
+        'control_structure_continuation_position' => [
+            'position' => 'same_line',
+        ],
+        'curly_braces_position' => [
+            'allow_single_line_anonymous_functions' => false,
+            'allow_single_line_empty_anonymous_classes' => false,
+            'anonymous_classes_opening_brace' => 'same_line',
+            'anonymous_functions_opening_brace' => 'same_line',
+            'classes_opening_brace' => 'next_line_unless_newline_at_signature_end',
+            'control_structures_opening_brace' => 'same_line',
+            'functions_opening_brace' => 'next_line_unless_newline_at_signature_end',
+        ],
+        'date_time_create_from_format_call' => true,
+        'date_time_immutable' => true,
+        'declare_equal_normalize' => [
+            'space' => 'none',
+        ],
+        'declare_parentheses' => true,
+        'declare_strict_types' => true,
+        'dir_constant' => true,
+        'doctrine_annotation_array_assignment' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'operator' => ':',
+        ],
+        'doctrine_annotation_braces' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'syntax' => 'without_braces',
+        ],
+        'doctrine_annotation_indentation' => [
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+            'indent_mixed_lines' => false,
+        ],
+        'doctrine_annotation_spaces' => [
+            'after_argument_assignments' => false,
+            'after_array_assignments_colon' => true,
+            'after_array_assignments_equals' => false,
+            'around_commas' => true,
+            'around_parentheses' => true,
+            'before_argument_assignments' => false,
+            'before_array_assignments_colon' => false,
+            'before_array_assignments_equals' => false,
+            'ignored_tags' => self::DOCTRINE_IGNORED_TAGS,
+        ],
+        'echo_tag_syntax' => [
+            'format' => 'long',
+            'long_function' => 'echo',
+            'shorten_simple_statements_only' => true,
+        ],
+        'elseif' => true,
+        'empty_loop_body' => [
+            'style' => 'braces',
+        ],
+        'empty_loop_condition' => [
+            'style' => 'while',
+        ],
+        'encoding' => true,
+        'ereg_to_preg' => true,
+        'error_suppression' => [
+            'mute_deprecation_error' => true,
+            'noise_remaining_usages' => true,
+            'noise_remaining_usages_exclude' => [],
+        ],
+        'escape_implicit_backslashes' => [
+            'double_quoted' => true,
+            'heredoc_syntax' => true,
+            'single_quoted' => false,
+        ],
+        'explicit_indirect_variable' => true,
+        'explicit_string_variable' => true,
+        'final_class' => true,
+        'final_internal_class' => [
+            'annotation_exclude' => [
+                '@Entity',
+                '@final',
+                '@Mapping\\Entity',
+                '@ORM\\Entity',
+                '@ORM\\Mapping\\Entity',
+            ],
+            'annotation_include' => [
+                '@internal',
+            ],
+            'consider_absent_docblock_as_internal_class' => false,
+        ],
+        'final_public_method_for_abstract_class' => true,
+        'fopen_flag_order' => true,
+        'fopen_flags' => [
+            'b_mode' => true,
+        ],
+        'full_opening_tag' => true,
+        'fully_qualified_strict_types' => true,
+        'function_declaration' => [
+            'closure_fn_spacing' => 'one',
+            'closure_function_spacing' => 'one',
+            'trailing_comma_single_line' => false,
+        ],
+        'function_to_constant' => [
+            'functions' => [
+                'get_called_class',
+                'get_class',
+                'php_sapi_name',
+                'phpversion',
+                'pi',
+            ],
+        ],
+        'function_typehint_space' => true,
+        'general_phpdoc_annotation_remove' => false,
+        'general_phpdoc_tag_rename' => [
+            'case_sensitive' => false,
+            'fix_annotation' => true,
+            'fix_inline' => true,
+            'replacements' => [
+                'inheritdoc' => 'inheritdoc',
+                'inheritdocs' => 'inheritdoc',
+            ],
+        ],
+        'get_class_to_class_keyword' => false,
+        'global_namespace_import' => false,
+        'group_import' => false,
+        'header_comment' => false,
+        'heredoc_indentation' => false,
+        'heredoc_to_nowdoc' => true,
+        'implode_call' => true,
+        'include' => true,
+        'increment_style' => [
+            'style' => 'pre',
+        ],
+        'indentation_type' => true,
+        'integer_literal_case' => true,
+        'is_null' => true,
+        'lambda_not_used_import' => true,
+        'line_ending' => true,
+        'linebreak_after_opening_tag' => true,
+        'list_syntax' => [
+            'syntax' => 'short',
+        ],
+        'logical_operators' => true,
+        'lowercase_cast' => true,
+        'lowercase_keywords' => true,
+        'lowercase_static_reference' => true,
+        'magic_constant_casing' => true,
+        'magic_method_casing' => true,
+        'mb_str_functions' => true,
+        'method_argument_space' => [
+            'after_heredoc' => false,
+            'keep_multiple_spaces_after_comma' => false,
+            'on_multiline' => 'ensure_fully_multiline',
+        ],
+        'method_chaining_indentation' => true,
+        'modernize_strpos' => false,
+        'modernize_types_casting' => true,
+        'multiline_comment_opening_closing' => true,
+        'multiline_whitespace_before_semicolons' => [
+            'strategy' => 'no_multi_line',
+        ],
+        'native_constant_invocation' => [
+            'exclude' => [
+                'false',
+                'null',
+                'true',
+            ],
+            'fix_built_in' => true,
+            'include' => [],
+            'scope' => 'all',
+            'strict' => false,
+        ],
+        'native_function_casing' => true,
+        'native_function_invocation' => [
+            'exclude' => [],
+            'include' => [
+                '@internal',
+            ],
+            'scope' => 'all',
+            'strict' => false,
+        ],
+        'native_function_type_declaration_casing' => true,
+        'new_with_braces' => [
+            'anonymous_class' => true,
+            'named_class' => true,
+        ],
+        'no_alias_functions' => [
+            'sets' => [
+                '@IMAP',
+                '@internal',
+            ],
+        ],
+        'no_alias_language_construct_call' => true,
+        'no_alternative_syntax' => [
+            'fix_non_monolithic_code' => true,
+        ],
+        'no_binary_string' => true,
+        'no_blank_lines_after_class_opening' => true,
+        'no_blank_lines_after_phpdoc' => true,
+        'no_blank_lines_before_namespace' => false,
+        'no_break_comment' => [
+            'comment_text' => 'no break',
+        ],
+        'no_closing_tag' => true,
+        'no_empty_comment' => true,
+        'no_empty_phpdoc' => true,
+        'no_empty_statement' => true,
+        'no_extra_blank_lines' => [
+            'tokens' => [
+                'break',
+                'case',
+                'continue',
+                'curly_brace_block',
+                'default',
+                'extra',
+                'parenthesis_brace_block',
+                'return',
+                'square_brace_block',
+                'switch',
+                'throw',
+                'use',
+            ],
+        ],
+        'no_homoglyph_names' => true,
+        'no_leading_import_slash' => true,
+        'no_leading_namespace_whitespace' => true,
+        'no_mixed_echo_print' => [
+            'use' => 'echo',
+        ],
+        'no_multiline_whitespace_around_double_arrow' => true,
+        'no_multiple_statements_per_line' => true,
+        'no_null_property_initialization' => true,
+        'no_php4_constructor' => false,
+        'no_short_bool_cast' => true,
+        'no_singleline_whitespace_before_semicolons' => true,
+        'no_space_around_double_colon' => true,
+        'no_spaces_after_function_name' => true,
+        'no_spaces_around_offset' => [
+            'positions' => [
+                'inside',
+                'outside',
+            ],
+        ],
+        'no_spaces_inside_parenthesis' => true,
+        'no_superfluous_elseif' => true,
+        'no_superfluous_phpdoc_tags' => [
+            'allow_mixed' => true,
+            'allow_unused_params' => false,
+            'remove_inheritdoc' => false,
+        ],
+        'no_trailing_comma_in_singleline' => [
+            'elements' => [
+                'arguments',
+                'array',
+                'array_destructuring',
+                'group_import',
+            ],
+        ],
+        'no_trailing_whitespace' => true,
+        'no_trailing_whitespace_in_comment' => true,
+        'no_trailing_whitespace_in_string' => true,
+        'no_unneeded_control_parentheses' => [
+            'statements' => [
+                'break',
+                'clone',
+                'continue',
+                'echo_print',
+                'negative_instanceof',
+                'others',
+                'return',
+                'switch_case',
+                'yield',
+                'yield_from',
+            ],
+        ],
+        'no_unneeded_curly_braces' => [
+            'namespaces' => false,
+        ],
+        'no_unneeded_final_method' => [
+            'private_methods' => true,
+        ],
+        'no_unneeded_import_alias' => true,
+        'no_unreachable_default_argument_value' => true,
+        'no_unset_cast' => true,
+        'no_unset_on_property' => true,
+        'no_unused_imports' => true,
+        'no_useless_concat_operator' => [
+            'juggle_simple_strings' => true,
+        ],
+        'no_useless_else' => true,
+        'no_useless_nullsafe_operator' => false,
+        'no_useless_return' => true,
+        'no_useless_sprintf' => true,
+        'no_whitespace_before_comma_in_array' => [
+            'after_heredoc' => false,
+        ],
+        'no_whitespace_in_blank_line' => true,
+        'non_printable_character' => [
+            'use_escape_sequences_in_strings' => false,
+        ],
+        'normalize_index_brace' => true,
+        'not_operator_with_space' => false,
+        'not_operator_with_successor_space' => false,
+        'nullable_type_declaration_for_default_null_value' => [
+            'use_nullable_type_declaration' => true,
+        ],
+        'object_operator_without_whitespace' => true,
+        'octal_notation' => false,
+        'operator_linebreak' => [
+            'only_booleans' => true,
+            'position' => 'beginning',
+        ],
+        'ordered_class_elements' => [
+            'order' => [
+                'use_trait',
+                'constant_public',
+                'constant_protected',
+                'constant_private',
+                'property_public',
+                'property_protected',
+                'property_private',
+                'construct',
+                'destruct',
+                'magic',
+                'phpunit',
+                'method_public',
+                'method_protected',
+                'method_private',
+            ],
+            'sort_algorithm' => 'none',
+        ],
+        'ordered_imports' => [
+            'imports_order' => [
+                'class',
+                'const',
+                'function',
+            ],
+            'sort_algorithm' => 'alpha',
+        ],
+        'ordered_interfaces' => [
+            'direction' => 'ascend',
+            'order' => 'alpha',
+        ],
+        'ordered_traits' => false,
+        'php_unit_construct' => [
+            'assertions' => [
+                'assertEquals',
+                'assertNotEquals',
+                'assertNotSame',
+                'assertSame',
+            ],
+        ],
+        'php_unit_data_provider_static' => [
+            'force' => false,
+        ],
+        'php_unit_dedicate_assert' => [
+            'target' => 'newest',
+        ],
+        'php_unit_dedicate_assert_internal_type' => [
+            'target' => 'newest',
+        ],
+        'php_unit_expectation' => [
+            'target' => 'newest',
+        ],
+        'php_unit_fqcn_annotation' => true,
+        'php_unit_internal_class' => false,
+        'php_unit_method_casing' => [
+            'case' => 'camel_case',
+        ],
+        'php_unit_mock' => [
+            'target' => 'newest',
+        ],
+        'php_unit_mock_short_will_return' => true,
+        'php_unit_namespaced' => [
+            'target' => 'newest',
+        ],
+        'php_unit_no_expectation_annotation' => [
+            'target' => 'newest',
+            'use_class_const' => true,
+        ],
+        'php_unit_set_up_tear_down_visibility' => true,
+        'php_unit_size_class' => false,
+        'php_unit_strict' => false,
+        'php_unit_test_annotation' => [
+            'style' => 'prefix',
+        ],
+        'php_unit_test_case_static_method_calls' => [
+            'call_type' => 'self',
+            'methods' => [],
+        ],
+        'php_unit_test_class_requires_covers' => false,
+        'phpdoc_add_missing_param_annotation' => [
+            'only_untyped' => true,
+        ],
+        'phpdoc_align' => [
+            'align' => 'vertical',
+            'tags' => [
+                'method',
+                'param',
+                'property',
+                'property-read',
+                'property-write',
+                'return',
+                'throws',
+                'type',
+                'var',
+            ],
+        ],
+        'phpdoc_annotation_without_dot' => true,
+        'phpdoc_indent' => true,
+        'phpdoc_inline_tag_normalizer' => [
+            'tags' => [
+                'example',
+                'id',
+                'inheritdoc',
+                'inheritdocs',
+                'internal',
+                'link',
+                'source',
+                'toc',
+                'tutorial',
+            ],
+        ],
+        'phpdoc_line_span' => [
+            'const' => 'multi',
+            'method' => 'multi',
+            'property' => 'multi',
+        ],
+        'phpdoc_no_access' => true,
+        'phpdoc_no_alias_tag' => [
+            'replacements' => [
+                'link' => 'see',
+                'property-read' => 'property',
+                'property-write' => 'property',
+                'type' => 'var',
+            ],
+        ],
+        'phpdoc_no_empty_return' => true,
+        'phpdoc_no_package' => true,
+        'phpdoc_no_useless_inheritdoc' => true,
+        'phpdoc_order' => [
+            'order' => [
+                'deprecated',
+                'internal',
+                'covers',
+                'uses',
+                'dataProvider',
+                'param',
+                'throws',
+                'return',
+            ],
+        ],
+        'phpdoc_order_by_value' => [
+            'annotations' => [
+                'author',
+                'covers',
+                'coversNothing',
+                'dataProvider',
+                'depends',
+                'group',
+                'internal',
+                'method',
+                'mixin',
+                'property',
+                'property-read',
+                'property-write',
+                'requires',
+                'throws',
+                'uses',
+            ],
+        ],
+        'phpdoc_return_self_reference' => [
+            'replacements' => [
+                '$self' => 'self',
+                '$static' => 'static',
+                '@self' => 'self',
+                '@static' => 'static',
+                '@this' => '$this',
+                'this' => '$this',
+            ],
+        ],
+        'phpdoc_scalar' => [
+            'types' => [
+                'boolean',
+                'callback',
+                'double',
+                'integer',
+                'real',
+                'str',
+            ],
+        ],
+        'phpdoc_separation' => [
+            'groups' => [
+                [
+                    'deprecated',
+                ],
+                [
+                    'link',
+                    'see',
+                    'since',
+                ],
+                [
+                    'author',
+                    'copyright',
+                    'license',
+                ],
+                [
+                    'category',
+                    'package',
+                    'subpackage',
+                ],
+                [
+                    'property',
+                    'property-read',
+                    'property-write',
+                ],
+            ],
+            'skip_unlisted_annotations' => false,
+        ],
+        'phpdoc_single_line_var_spacing' => true,
+        'phpdoc_summary' => true,
+        'phpdoc_tag_casing' => [
+            'tags' => [
+                'inheritDoc',
+            ],
+        ],
+        'phpdoc_tag_type' => [
+            'tags' => [
+                'inheritdoc' => 'inline',
+            ],
+        ],
+        'phpdoc_to_comment' => false,
+        'phpdoc_to_param_type' => false,
+        'phpdoc_to_property_type' => false,
+        'phpdoc_to_return_type' => false,
+        'phpdoc_trim' => true,
+        'phpdoc_trim_consecutive_blank_line_separation' => true,
+        'phpdoc_types' => [
+            'groups' => [
+                'alias',
+                'meta',
+                'simple',
+            ],
+        ],
+        'phpdoc_types_order' => [
+            'null_adjustment' => 'always_first',
+            'sort_algorithm' => 'alpha',
+        ],
+        'phpdoc_var_annotation_correct_order' => true,
+        'phpdoc_var_without_name' => true,
+        'pow_to_exponentiation' => false,
+        'protected_to_private' => true,
+        'psr_autoloading' => [
+            'dir' => null,
+        ],
+        'random_api_migration' => [
+            'replacements' => [
+                'getrandmax' => 'mt_getrandmax',
+                'rand' => 'mt_rand',
+                'srand' => 'mt_srand',
+            ],
+        ],
+        'regular_callable_call' => true,
+        'return_assignment' => true,
+        'return_type_declaration' => false,
+        '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_if_return' => false,
+        'simplified_null_return' => false,
+        'single_blank_line_at_eof' => true,
+        'single_blank_line_before_namespace' => true,
+        'single_class_element_per_statement' => [
+            'elements' => [
+                'const',
+                'property',
+            ],
+        ],
+        'single_import_per_statement' => [
+            'group_to_single_imports' => true,
+        ],
+        'single_line_after_imports' => true,
+        'single_line_comment_spacing' => true,
+        'single_line_comment_style' => [
+            'comment_types' => [
+                'hash',
+            ],
+        ],
+        'single_line_throw' => false,
+        'single_quote' => [
+            'strings_containing_single_quote_chars' => false,
+        ],
+        'single_space_around_construct' => [
+            'constructs_contain_a_single_space' => [
+                'yield_from',
+            ],
+            'constructs_followed_by_a_single_space' => [
+                'abstract',
+                'as',
+                'break',
+                'case',
+                'catch',
+                'class',
+                'clone',
+                'comment',
+                'const',
+                'const_import',
+                'continue',
+                'do',
+                'echo',
+                'else',
+                'elseif',
+                'extends',
+                'final',
+                'finally',
+                'for',
+                'foreach',
+                'function',
+                'function_import',
+                'global',
+                'goto',
+                'if',
+                'implements',
+                'include',
+                'include_once',
+                'instanceof',
+                'insteadof',
+                'interface',
+                'namespace',
+                'new',
+                'open_tag_with_echo',
+                'php_doc',
+                'php_open',
+                'print',
+                'private',
+                'protected',
+                'public',
+                'require',
+                'require_once',
+                'return',
+                'static',
+                'switch',
+                'throw',
+                'trait',
+                'try',
+                'type_colon',
+                'use',
+                'use_lambda',
+                'use_trait',
+                'var',
+                'while',
+                'yield',
+                'yield_from',
+            ],
+            'constructs_preceded_by_a_single_space' => [
+                'use_lambda',
+            ],
+        ],
+        'single_trait_insert_per_statement' => true,
+        'space_after_semicolon' => [
+            'remove_in_empty_for_expressions' => false,
+        ],
+        'standardize_increment' => true,
+        'standardize_not_equals' => true,
+        'statement_indentation' => true,
+        'static_lambda' => true,
+        'strict_comparison' => true,
+        'strict_param' => true,
+        'string_length_to_empty' => true,
+        'string_line_ending' => true,
+        'switch_case_semicolon_to_colon' => true,
+        'switch_case_space' => true,
+        'switch_continue_to_break' => true,
+        'ternary_operator_spaces' => true,
+        'ternary_to_elvis_operator' => true,
+        'ternary_to_null_coalescing' => true,
+        'trailing_comma_in_multiline' => [
+            'after_heredoc' => false,
+            'elements' => [
+                'arrays',
+            ],
+        ],
+        'trim_array_spaces' => true,
+        'types_spaces' => [
+            'space' => 'none',
+            'space_multiple_catch' => 'none',
+        ],
+        'unary_operator_spaces' => true,
+        'use_arrow_functions' => false,
+        'visibility_required' => [
+            'elements' => [
+                'method',
+                'property',
+            ],
+        ],
+        'void_return' => false,
+        'whitespace_after_comma_in_array' => [
+            'ensure_single_space' => true,
+        ],
+        'yoda_style' => [
+            'always_move_variable' => true,
+            'equal' => true,
+            'identical' => true,
+            'less_and_greater' => true,
+        ],
+    ];
+    protected int $targetPhpVersion = 70100;
+}