UPGRADE GUIDE FROM 2.x to 3.0

This is guide for upgrade from version 2.x to 3.0 for using the CLI tool.

Before following this guide, install v2.19 and run in verbose mode (php-cs-fixer fix -v) or in future mode (PHP_CS_FIXER_FUTURE_MODE=1 php-cs-fixer fix) to identify deprecations and fix them first.

Rename of files

2.x	3.0	Description
`.php_cs`	`.php-cs-fixer.php`	Configuration file (local)
`.php_cs.dist`	`.php-cs-fixer.dist.php`	Configuration file (to be distributed)
`.php_cs.cache`	`.php-cs-fixer.cache`	Cache file

CLI options

2.x	3.0	Description	Note
--diff-format		Type of differ	Option was removed, all diffs are now
			`udiff`
--show-progress	--show-progress	Type of progress indicator	Allowed values were modified:
			`run-in` and `estimating` was removed,
			`estimating-max` was renamed to `dots`
--rules	--rules	Default value changed from @PSR2 to @PSR12
--config --rules			No longer allowed to pass both

Changes to rules

Renamed rules

Old name	New name	Note
`blank_line_before_return`	`blank_line_before_statement`	use configuration `['statements' => ['return']]`
`final_static_access`	`self_static_accessor`
`hash_to_slash_comment`	`single_line_comment_style`	use configuration `['comment_types' => ['hash']]`
`lowercase_constants`	`constant_case`	use configuration `['case' => 'lower']`
`method_separation`	`class_attributes_separation`	use configuration `['elements' => ['method']]`
`no_extra_consecutive_blank_lines`	`no_extra_blank_lines`
`no_multiline_whitespace_before_semicolons`	`multiline_whitespace_before_semicolons`
`no_short_echo_tag`	`echo_tag_syntax`	use configuration `['format' => 'long']`
`php_unit_ordered_covers`	`phpdoc_order_by_value`	use configuration `['annotations' => [ 'covers' ]]`
`phpdoc_inline_tag`	`general_phpdoc_tag_rename`, `phpdoc_inline_tag_normalizer` and `phpdoc_tag_type`
`pre_increment`	`increment_style`	use configuration `['style' => 'pre']`
`psr0`	`psr_autoloading`	use configuration `['dir' => x ]`
`psr4`	`psr_autoloading`
`silenced_deprecation_error`	`error_suppression`
`trailing_comma_in_multiline_array`	`trailing_comma_in_multiline`	use configuration `['elements' => ['arrays']]`

Removed rootless configuration

Rule	Root option	Note
`general_phpdoc_annotation_remove`	`annotations`
`no_extra_consecutive_blank_lines`	`tokens`
`no_spaces_around_offset`	`positions`
`no_unneeded_control_parentheses`	`statements`
`ordered_class_elements`	`order`
`php_unit_construct`	`assertions`
`php_unit_dedicate_assert`	`target`	root option works differently than rootless configuration
`php_unit_strict`	`assertions`
`phpdoc_no_alias_tag`	`replacements`
`phpdoc_return_self_reference`	`replacements`
`random_api_migration`	`replacements`
`single_class_element_per_statement`	`elements`
`visibility_required`	`elements`

Changed options

Rule	Option	Change
`binary_operator_spaces`	`align_double_arrow`	option was removed, use `operators` instead
`binary_operator_spaces`	`align_equals`	option was removed use `operators` instead
`blank_line_before_statement`	`statements: die`	option `die` was removed from `statements`, use `exit` instead
`class_attributes_separation`	`elements`	option does no longer accept flat array as a value, use map instead
`class_definition`	`multiLineExtendsEachSingleLine`	option was renamed to `multi_line_extends_each_single_line`
`class_definition`	`singleItemSingleLine`	option was renamed to `single_item_single_line`
`class_definition`	`singleLine`	option was renamed to `single_line`
`doctrine_annotation_spaces`	`around_argument_assignments`	option was removed, use `before_argument_assignments` and `after_argument_assignments` instead
`doctrine_annotation_spaces`	`around_array_assignments`	option was removed, use `after_array_assignments_colon`, `after_array_assignments_equals`, `before_array_assignments_colon` and `before_array_assignments_equals` instead
`final_internal_class`	`annotation-black-list`	option was renamed, use `annotation_exclude`
`final_internal_class`	`annotation-white-list`	option was renamed, use `annotation_include`
`final_internal_class`	`consider-absent-docblock-as-internal-class`	option was renamed, use `consider_absent_docblock_as_internal_class`
`header_comment`	`commentType`	option was renamed to `comment_type`
`is_null`	`use_yoda_style`	option was removed, use `yoda_style` rule instead
`no_extra_consecutive_blank_lines`	`tokens`	one of possible values, `useTrait`, was renamed to `use_trait`
`ordered_class_elements`	`sortAlgorithm`	option was renamed, use `sort_algorithm` instead
`ordered_imports`	`importsOrder`	option was renamed, use `imports_order`
`ordered_imports`	`sortAlgorithm`	option was renamed, use `sort_algorithm`
`php_unit_dedicate_assert`	`functions`	option was removed, use `target` instead
`php_unit_test_annotation`	`case`	option was removed, use `php_unit_method_casing` rule instead

Changed default values of options

Rule	Option	Old value	New value
`array_syntax`	`syntax`	`'long'`	`'short'`
`function_to_constant`	`functions`	`['get_class', 'php_sapi_name', 'phpversion', 'pi']`	`['get_called_class', 'get_class', 'php_sapi_name', 'phpversion', 'pi']`
`list_syntax`	`syntax`	`'long'`	`'short'`
`method_argument_space`	`on_multiline`	`'ignore'`	`'ensure_fully_multiline'`
`native_constant_invocation`	`strict`	`false`	`true`
`native_function_casing`	`include`	`'@internal'`	`'@compiler_optimized'`
`native_function_invocation`	`include`	`'@internal'`	`'@compiler_optimized'`
`native_function_invocation`	`strict`	`false`	`true`
`non_printable_character`	`use_escape_sequences_in_strings`	`false`	`true` (when running on PHP 7.0 and up)
`php_unit_dedicate_assert`	`target`	`'5.0'`	`'newest'`
`phpdoc_align`	`tags`	`['param', 'return', 'throws', 'type', 'var']`	`['method', 'param', 'property', 'return', 'throws', 'type', 'var']`
`phpdoc_scalar`	`types`	`['boolean', 'double', 'integer', 'real', 'str']`	`['boolean', 'callback', 'double', 'integer', 'real', 'str']`

Removed rule sets

Rule set	Note
`@PHP56Migration`	was empty

Rule behavior changes

no_unused_imports now runs all files defined in the configuration (used to exclude some hardcoded directories)

Various

udiff output now includes the file name in the output (if applicable)

Code BC changes

Removed; various

class AbstractAlignFixerHelper has been removed
class AccessibleObject has been removed
class AlignDoubleArrowFixerHelper has been removed
class AlignEqualsFixerHelper has been removed
class FixerConfigurationResolverRootless has been removed
HeaderCommentFixer deprecated properties have been removed
MethodArgumentSpaceFixer deprecated methods have been removed
NoMixedEchoPrintFixer the property $defaultConfig has been removed
class Tokens, the following methods has been removed:
- current()
- key()
- next()
- rewind()
- valid()
namespace PhpCsFixer\Test\ and each class in it has been removed, as it served pure development purpose and should not be part of production code - reach out to community if you are willing to help building dev package

Interface changes

ConfigurableFixerInterface has been updated
ConfigurationDefinitionFixerInterface has been removed in favor of the updated ConfigurableFixerInterface
DefinedFixerInterface has been removed, related methods are now part of the updated FixerInterface interface
DifferInterface has been updated
FixerInterface interface has been updated
PhpCsFixer\RuleSetInterface has been removed in favor of \PhpCsFixer\RuleSet\RuleSetInterface

BC breaks; various

class Token is now final
class Tokens is now final
method create of class Config has been removed, use the constructor
method create of class RuleSet has been removed, use the constructor

BC breaks; common internal classes

method getClassyElements of class TokensAnalyzer parameter $returnTraitsImports has been removed; now always returns trait import information
method getSetDefinitionNames of class RuleSet has been removed, use RuleSets::getSetDefinitionNames()

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