PHP Coding Standards Fixer

The PHP Coding Standards Fixer tool fixes most issues in your code when you want to follow the PHP coding standards as defined in the PSR-1 and PSR-2 documents and many more.

If you are already using a linter to identify coding standards problems in your code, you know that fixing them by hand is tedious, especially on large projects. This tool does not only detect them, but also fixes them for you.

Requirements

PHP needs to be a minimum version of PHP 5.6.0.

Installation

Locally

Download the php-cs-fixer.phar file and store it somewhere on your computer.

Globally (manual)

You can run these commands to easily access latest php-cs-fixer from anywhere on your system:

$ wget http://cs.sensiolabs.org/download/php-cs-fixer-v2.phar -O php-cs-fixer

or with specified version:

$ wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.3.1/php-cs-fixer.phar -O php-cs-fixer

or with curl:

$ curl -L http://cs.sensiolabs.org/download/php-cs-fixer-v2.phar -o php-cs-fixer

then:

$ sudo chmod a+x php-cs-fixer
$ sudo mv php-cs-fixer /usr/local/bin/php-cs-fixer

Then, just run php-cs-fixer.

Globally (Composer)

To install PHP CS Fixer, install Composer and issue the following command:

$ composer global require friendsofphp/php-cs-fixer

Then make sure you have the global Composer binaries directory in your PATH. This directory is platform-dependent, see Composer documentation for details. Example for some Unix systems:

$ export PATH="$PATH:$HOME/.composer/vendor/bin"

Globally (homebrew)

PHP-CS-Fixer is part of the homebrew-php project. Follow the installation instructions at https://github.com/homebrew/homebrew-php if you don't already have it.

$ brew install homebrew/php/php-cs-fixer

Update

Locally

The self-update command tries to update php-cs-fixer itself:

$ php php-cs-fixer.phar self-update

Globally (manual)

You can update php-cs-fixer through this command:

$ sudo php-cs-fixer self-update

Globally (Composer)

You can update php-cs-fixer through this command:

$ ./composer.phar global update friendsofphp/php-cs-fixer

Globally (homebrew)

You can update php-cs-fixer through this command:

$ brew upgrade php-cs-fixer

Usage

The fix command tries to fix as much coding standards problems as possible on a given file or files in a given directory and its subdirectories:

$ php php-cs-fixer.phar fix /path/to/dir
$ php php-cs-fixer.phar fix /path/to/file

By default --path-mode is set to override, which means, that if you specify the path to a file or a directory via command arguments, then the paths provided to a Finder in config file will be ignored. You can use --path-mode=intersection to merge paths from the config file and from the argument:

$ php php-cs-fixer.phar fix --path-mode=intersection /path/to/dir

The --format option for the output format. Supported formats are txt (default one), json, xml and junit.

NOTE: When using junit format report generates in accordance with JUnit xml schema from Jenkins (see docs/junit-10.xsd).

The --verbose option will show the applied rules. When using the txt format it will also displays progress notifications.

The --rules option limits the rules to apply on the project:

$ php php-cs-fixer.phar fix /path/to/project --rules=@PSR2

By default the PSR1 and PSR2 rules are used.

The --rules option lets you choose the exact rules to apply (the rule names must be separated by a comma):

$ php php-cs-fixer.phar fix /path/to/dir --rules=line_ending,full_opening_tag,indentation_type

You can also blacklist the rules you don't want by placing a dash in front of the rule name, if this is more convenient, using -name_of_fixer:

$ php php-cs-fixer.phar fix /path/to/dir --rules=-full_opening_tag,-indentation_type

When using combinations of exact and blacklist rules, applying exact rules along with above blacklisted results:

$ php php-cs-fixer.phar fix /path/to/project --rules=@Symfony,-@PSR1,-blank_line_before_return,strict_comparison

Complete configuration for rules can be supplied using a json formatted string.

$ php php-cs-fixer.phar fix /path/to/project --rules='{"concat_space": {"spacing": "none"}}'

A combination of --dry-run and --diff will display a summary of proposed fixes, leaving your files unchanged.

The --allow-risky option (pass yes or no) allows you to set whether risky rules may run. Default value is taken from config file. Risky rule is a rule, which could change code behaviour. By default no risky rules are run.

The --stop-on-violation flag stops execution upon first file that needs to be fixed.

The --show-progress option allows you to choose the way process progress is rendered:

none: disables progress output;
run-in: simple single-line progress output;
estimating: multiline progress output with number of files and percentage on each line. Note that with this option, the files list is evaluated before processing to get the total number of files and then kept in memory to avoid using the file iterator twice. This has an impact on memory usage so using this option is not recommended on very large projects.

If the option is not provided, it defaults to run-in unless a config file that disables output is used, in which case it defaults to none. This option has no effect if the verbosity of the command is less than verbose.

$ php php-cs-fixer.phar fix --verbose --show-progress=estimating

The command can also read from standard input, in which case it won't automatically fix anything:

$ cat foo.php | php php-cs-fixer.phar fix --diff -

Choose from the list of available rules:

array_syntax

PHP arrays should be declared using the configured syntax.

Configuration options:
- syntax ('long', 'short'): whether to use the long or short array syntax; defaults to 'long'
binary_operator_spaces [@Symfony]

Binary operators should be surrounded by at least one space.

Configuration options:
- align_double_arrow (false, null, true): whether to apply, remove or ignore double arrows alignment; defaults to false
- align_equals (false, null, true): whether to apply, remove or ignore equals alignment; defaults to false
blank_line_after_namespace [@PSR2, @Symfony]

There MUST be one blank line after the namespace declaration.
blank_line_after_opening_tag [@Symfony]

Ensure there is no code on the same line as the PHP open tag and it is followed by a blank line.
blank_line_before_return [@Symfony]

An empty line feed should precede a return statement.
braces [@PSR2, @Symfony]

The body of each structure MUST be enclosed by braces. Braces should be properly placed. Body of braces should be properly indented.

Configuration options:
- allow_single_line_closure (bool): whether single line lambda notation should be allowed; defaults to false
- position_after_functions_and_oop_constructs ('next', 'same'): whether the opening brace should be placed on "next" or "same" line after classy constructs (non-anonymous classes, interfaces, traits, methods and non-lambda functions); defaults to 'next'
cast_spaces [@Symfony]

A single space should be between cast and variable.
class_definition [@PSR2, @Symfony]

Whitespace around the keywords of a class, trait or interfaces definition should be one space.

Configuration options:
- multiLineExtendsEachSingleLine (bool): whether definitions should be multiline; defaults to false
- singleItemSingleLine (bool): whether definitions should be single line when including a single item; defaults to false
- singleLine (bool): whether definitions should be single line; defaults to false
class_keyword_remove

Converts ::class keywords to FQCN strings.
combine_consecutive_unsets

Calling unset on multiple items should be done in one call.
concat_space [@Symfony]

Concatenation should be spaced according configuration.

Configuration options:
- spacing ('none', 'one'): spacing to apply around concatenation operator; defaults to 'none'
declare_equal_normalize [@Symfony]

Equal sign in declare statement should be surrounded by spaces or not following configuration.

Configuration options:
- space ('none', 'single'): spacing to apply around the equal sign; defaults to 'none'
declare_strict_types [@PHP70Migration:risky]

Force strict types declaration in all files. Requires PHP >= 7.0.

Risky rule: forcing strict types will stop non strict code from working.
dir_constant [@Symfony:risky]

Replaces dirname(__FILE__) expression with equivalent __DIR__ constant.

Risky rule: risky when the function ``dirname()`` is overridden.
doctrine_annotation_braces

Doctrine annotations without arguments must use the configured syntax.

Configuration options:
- ignored_tags (array): list of tags that must not be treated as Doctrine Annotations; defaults to ['abstract', 'access', 'code', 'deprec', 'encode', 'exception', 'final', 'ingroup', 'inheritdoc', 'inheritDoc', 'magic', 'name', 'toc', 'tutorial', 'private', 'static', 'staticvar', 'staticVar', 'throw', 'api', 'author', 'category', 'copyright', 'deprecated', 'example', 'filesource', 'global', 'ignore', 'internal', 'license', 'link', 'method', 'package', 'param', 'property', 'property-read', 'property-write', 'return', 'see', 'since', 'source', 'subpackage', 'throws', 'todo', 'TODO', 'usedBy', 'uses', 'var', 'version', 'after', 'afterClass', 'backupGlobals', 'backupStaticAttributes', 'before', 'beforeClass', 'codeCoverageIgnore', 'codeCoverageIgnoreStart', 'codeCoverageIgnoreEnd', 'covers', 'coversDefaultClass', 'coversNothing', 'dataProvider', 'depends', 'expectedException', 'expectedExceptionCode', 'expectedExceptionMessage', 'expectedExceptionMessageRegExp', 'group', 'large', 'medium', 'preserveGlobalState', 'requires', 'runTestsInSeparateProcesses', 'runInSeparateProcess', 'small', 'test', 'testdox', 'ticket', 'uses', 'SuppressWarnings', 'noinspection', 'package_version', 'enduml', 'startuml', 'fix', 'FIXME', 'fixme', 'override']
- syntax ('with_braces', 'without_braces'): whether to add or remove braces; defaults to 'without_braces'
doctrine_annotation_indentation

Doctrine annotations must be indented with four spaces.

Configuration options:
- ignored_tags (array): list of tags that must not be treated as Doctrine Annotations; defaults to ['abstract', 'access', 'code', 'deprec', 'encode', 'exception', 'final', 'ingroup', 'inheritdoc', 'inheritDoc', 'magic', 'name', 'toc', 'tutorial', 'private', 'static', 'staticvar', 'staticVar', 'throw', 'api', 'author', 'category', 'copyright', 'deprecated', 'example', 'filesource', 'global', 'ignore', 'internal', 'license', 'link', 'method', 'package', 'param', 'property', 'property-read', 'property-write', 'return', 'see', 'since', 'source', 'subpackage', 'throws', 'todo', 'TODO', 'usedBy', 'uses', 'var', 'version', 'after', 'afterClass', 'backupGlobals', 'backupStaticAttributes', 'before', 'beforeClass', 'codeCoverageIgnore', 'codeCoverageIgnoreStart', 'codeCoverageIgnoreEnd', 'covers', 'coversDefaultClass', 'coversNothing', 'dataProvider', 'depends', 'expectedException', 'expectedExceptionCode', 'expectedExceptionMessage', 'expectedExceptionMessageRegExp', 'group', 'large', 'medium', 'preserveGlobalState', 'requires', 'runTestsInSeparateProcesses', 'runInSeparateProcess', 'small', 'test', 'testdox', 'ticket', 'uses', 'SuppressWarnings', 'noinspection', 'package_version', 'enduml', 'startuml', 'fix', 'FIXME', 'fixme', 'override']
doctrine_annotation_spaces

Fixes spaces in Doctrine annotations.

Configuration options:
- around_argument_assignments (bool): whether to fix spaces around argument assignment operator; defaults to true
- around_array_assignments (bool): whether to fix spaces around array assignment operators; defaults to true
- around_commas (bool): whether to fix spaces around commas; defaults to true
- around_parentheses (bool): whether to fix spaces around parentheses; defaults to true
- ignored_tags (array): list of tags that must not be treated as Doctrine Annotations; defaults to ['abstract', 'access', 'code', 'deprec', 'encode', 'exception', 'final', 'ingroup', 'inheritdoc', 'inheritDoc', 'magic', 'name', 'toc', 'tutorial', 'private', 'static', 'staticvar', 'staticVar', 'throw', 'api', 'author', 'category', 'copyright', 'deprecated', 'example', 'filesource', 'global', 'ignore', 'internal', 'license', 'link', 'method', 'package', 'param', 'property', 'property-read', 'property-write', 'return', 'see', 'since', 'source', 'subpackage', 'throws', 'todo', 'TODO', 'usedBy', 'uses', 'var', 'version', 'after', 'afterClass', 'backupGlobals', 'backupStaticAttributes', 'before', 'beforeClass', 'codeCoverageIgnore', 'codeCoverageIgnoreStart', 'codeCoverageIgnoreEnd', 'covers', 'coversDefaultClass', 'coversNothing', 'dataProvider', 'depends', 'expectedException', 'expectedExceptionCode', 'expectedExceptionMessage', 'expectedExceptionMessageRegExp', 'group', 'large', 'medium', 'preserveGlobalState', 'requires', 'runTestsInSeparateProcesses', 'runInSeparateProcess', 'small', 'test', 'testdox', 'ticket', 'uses', 'SuppressWarnings', 'noinspection', 'package_version', 'enduml', 'startuml', 'fix', 'FIXME', 'fixme', 'override']
elseif [@PSR2, @Symfony]

The keyword elseif should be used instead of else if so that all control keywords look like single words.
encoding [@PSR1, @PSR2, @Symfony]

PHP code MUST use only UTF-8 without BOM (remove BOM).
ereg_to_preg [@Symfony:risky]

Replace deprecated ereg regular expression functions with preg.

Risky rule: risky if the ``ereg`` funcion is overridden.
full_opening_tag [@PSR1, @PSR2, @Symfony]

PHP code must use the long <?php tags or short-echo <?= tags and not other tag variations.
function_declaration [@PSR2, @Symfony]

Spaces should be properly placed in a function declaration.

Configuration options:
- closure_function_spacing ('none', 'one'): spacing to use before open parenthesis for closures; defaults to 'one'
function_to_constant [@Symfony:risky]

Replace core functions calls returning constants with the constants.

Risky rule: risky when any of the configured functions to replace are overridden.

Configuration options:
- functions (array): list of function names to fix; defaults to ['phpversion', 'php_sapi_name', 'pi']
function_typehint_space [@Symfony]

Add missing space between function's argument and its typehint.
general_phpdoc_annotation_remove

Configured annotations should be omitted from phpdocs.

Configuration options:
- annotations (array): list of annotations to remove, e.g. ["author"]; defaults to []
hash_to_slash_comment [@Symfony]

Single line comments should use double slashes // and not hash #.
header_comment

Add, replace or remove header comment.

Configuration options:
- commentType ('comment', 'PHPDoc'): comment syntax type; defaults to 'comment'
- header (string): proper header content; required
- location ('after_declare_strict', 'after_open'): the location of the inserted header; defaults to 'after_declare_strict'
- separate ('both', 'bottom', 'none', 'top'): whether the header should be separated from the file content with a new line; defaults to 'both'
heredoc_to_nowdoc

Convert heredoc to nowdoc where possible.
include [@Symfony]

Include/Require and file path should be divided with a single space. File path should not be placed under brackets.
indentation_type [@PSR2, @Symfony]

Code MUST use configured indentation type.
is_null [@Symfony:risky]

Replaces is_null(parameter) expression with null === parameter.

Risky rule: risky when the function ``is_null()`` is overridden.

Configuration options:
- use_yoda_style (bool): whether Yoda style conditions should be used; defaults to true
line_ending [@PSR2, @Symfony]

All PHP files must use same line ending.
linebreak_after_opening_tag

Ensure there is no code on the same line as the PHP open tag.
list_syntax

List (array destructuring) assignment should be declared using the configured syntax. Requires PHP >= 7.1.

Configuration options:
- syntax ('long', 'short'): whether to use the long or short list syntax; defaults to 'long'
lowercase_cast [@Symfony]

Cast should be written in lower case.
lowercase_constants [@PSR2, @Symfony]

The PHP constants true, false, and null MUST be in lower case.
lowercase_keywords [@PSR2, @Symfony]

PHP keywords MUST be in lower case.
magic_constant_casing [@Symfony]

Magic constants should be referred to using the correct casing.
mb_str_functions

Replace non multibyte-safe functions with corresponding mb function.

Risky rule: risky when any of the functions are overridden.
method_argument_space [@PSR2, @Symfony]

In method arguments and method call, there MUST NOT be a space before each comma and there MUST be one space after each comma.

Configuration options:
- keep_multiple_spaces_after_comma (bool): whether keep multiple spaces after comma; defaults to false
method_separation [@Symfony]

Methods must be separated with one blank line.
modernize_types_casting [@Symfony:risky]

Replaces intval, floatval, doubleval, strval and boolval function calls with according type casting operator.

Risky rule: risky if any of the functions ``intval``, ``floatval``, ``doubleval``, ``strval`` or ``boolval`` are overridden.
native_function_casing [@Symfony]

Function defined by PHP should be called using the correct casing.
native_function_invocation

Add leading \ before function invocation of internal function to speed up resolving.

Risky rule: risky when any of the functions are overridden.

Configuration options:
- exclude (array): list of functions to ignore; defaults to []
new_with_braces [@Symfony]

All instances created with new keyword must be followed by braces.
no_alias_functions [@Symfony:risky]

Master functions shall be used instead of aliases.

Risky rule: risky when any of the alias functions are overridden.
no_blank_lines_after_class_opening [@Symfony]

There should be no empty lines after class opening brace.
no_blank_lines_after_phpdoc [@Symfony]

There should not be blank lines between docblock and the documented element.
no_blank_lines_before_namespace

There should be no blank lines before a namespace declaration.
no_closing_tag [@PSR2, @Symfony]

The closing ?> tag MUST be omitted from files containing only PHP.
no_empty_comment [@Symfony]

There should not be any empty comments.
no_empty_phpdoc [@Symfony]

There should not be empty PHPDoc blocks.
no_empty_statement [@Symfony]

Remove useless semicolon statements.
no_extra_consecutive_blank_lines [@Symfony]

Removes extra blank lines and/or blank lines following configuration.

Configuration options:
- tokens (array): list of tokens to fix; defaults to ['extra']
no_leading_import_slash [@Symfony]

Remove leading slashes in use clauses.
no_leading_namespace_whitespace [@Symfony]

The namespace declaration line shouldn't contain leading whitespace.
no_mixed_echo_print [@Symfony]

Either language construct print or echo should be used.

Configuration options:
- use ('echo', 'print'): the desired language construct; defaults to 'echo'
no_multiline_whitespace_around_double_arrow [@Symfony]

Operator => should not be surrounded by multi-line whitespaces.
no_multiline_whitespace_before_semicolons

Multi-line whitespace before closing semicolon are prohibited.
no_php4_constructor

Convert PHP4-style constructors to __construct.

Risky rule: risky when old style constructor being fixed is overridden or overrides parent one.
no_short_bool_cast [@Symfony]

Short cast bool using double exclamation mark should not be used.
no_short_echo_tag

Replace short-echo <?= with long format <?php echo syntax.
no_singleline_whitespace_before_semicolons [@Symfony]

Single-line whitespace before closing semicolon are prohibited.
no_spaces_after_function_name [@PSR2, @Symfony]

When making a method or function call, there MUST NOT be a space between the method or function name and the opening parenthesis.
no_spaces_around_offset [@Symfony]

There MUST NOT be spaces around offset braces.

Configuration options:
- positions (array): whether spacing should be fixed inside and/or outside the offset braces; defaults to ['inside', 'outside']
no_spaces_inside_parenthesis [@PSR2, @Symfony]

There MUST NOT be a space after the opening parenthesis. There MUST NOT be a space before the closing parenthesis.
no_trailing_comma_in_list_call [@Symfony]

Remove trailing commas in list function calls.
no_trailing_comma_in_singleline_array [@Symfony]

PHP single-line arrays should not have trailing comma.
no_trailing_whitespace [@PSR2, @Symfony]

Remove trailing whitespace at the end of non-blank lines.
no_trailing_whitespace_in_comment [@PSR2, @Symfony]

There MUST be no trailing spaces inside comments and phpdocs.
no_unneeded_control_parentheses [@Symfony]

Removes unneeded parentheses around control statements.

Configuration options:
- statements (array): list of control statements to fix; defaults to ['break', 'clone', 'continue', 'echo_print', 'return', 'switch_case', 'yield']
no_unreachable_default_argument_value

In function arguments there must not be arguments with default values before non-default ones.

Risky rule: modifies the signature of functions; therefore risky when using systems (such as some Symfony components) that rely on those (for example through reflection).
no_unused_imports [@Symfony]

Unused use statements must be removed.
no_useless_else

There should not be useless else cases.
no_useless_return

There should not be an empty return statement at the end of a function.
no_whitespace_before_comma_in_array [@Symfony]

In array declaration, there MUST NOT be a whitespace before each comma.
no_whitespace_in_blank_line [@Symfony]

Remove trailing whitespace at the end of blank lines.
non_printable_character [@Symfony:risky]

Remove Zero-width space (ZWSP), Non-breaking space (NBSP) and other invisible unicode symbols.

Risky rule: risky when strings contain intended invisible characters.
normalize_index_brace [@Symfony]

Array index should always be written by using square braces.
not_operator_with_space

Logical NOT operators (!) should have leading and trailing whitespaces.
not_operator_with_successor_space

Logical NOT operators (!) should have one trailing whitespace.
object_operator_without_whitespace [@Symfony]

There should not be space before or after object T_OBJECT_OPERATOR ->.
ordered_class_elements

Orders the elements of classes/interfaces/traits.

Configuration options:
- order (array): list of strings defining order of elements; defaults to ['use_trait', 'constant_public', 'constant_protected', 'constant_private', 'property_public', 'property_protected', 'property_private', 'construct', 'destruct', 'magic', 'phpunit', 'method_public', 'method_protected', 'method_private']
ordered_imports

Ordering use statements.

Configuration options:
- importsOrder (array, null): defines the order of import types; defaults to null
- sortAlgorithm ('alpha', 'length'): whether the statements should be sorted alphabetically or by length; defaults to 'alpha'
php_unit_construct [@Symfony:risky]

PHPUnit assertion method calls like "->assertSame(true, $foo)" should be written with dedicated method like "->assertTrue($foo)".

Risky rule: fixer could be risky if one is overriding PHPUnit's native methods.

Configuration options:
- assertions (array): list of assertion methods to fix; defaults to ['assertEquals', 'assertSame', 'assertNotEquals', 'assertNotSame']
php_unit_dedicate_assert [@Symfony:risky]

PHPUnit assertions like "assertInternalType", "assertFileExists", should be used over "assertTrue".

Risky rule: fixer could be risky if one is overriding PHPUnit's native methods.

Configuration options:
- functions (array): list of assertions to fix; defaults to ['array_key_exists', 'empty', 'file_exists', 'is_infinite', 'is_nan', 'is_null', 'is_array', 'is_bool', 'is_boolean', 'is_callable', 'is_double', 'is_float', 'is_int', 'is_integer', 'is_long', 'is_numeric', 'is_object', 'is_real', 'is_resource', 'is_scalar', 'is_string']
php_unit_fqcn_annotation [@Symfony]

PHPUnit annotations should be a FQCNs including a root namespace.
php_unit_strict

PHPUnit methods like assertSame should be used instead of assertEquals.

Risky rule: risky when any of the functions are overridden.

Configuration options:
- assertions (array): list of assertion methods to fix; defaults to ['assertAttributeEquals', 'assertAttributeNotEquals', 'assertEquals', 'assertNotEquals']
php_unit_test_class_requires_covers

Adds a default @coversNothing annotation to PHPUnit test classes that have no @covers* annotation.
phpdoc_add_missing_param_annotation

Phpdoc should contain @param for all params.

Configuration options:
- only_untyped (bool): whether to add missing @param annotations for untyped parameters only; defaults to true
phpdoc_align [@Symfony]

All items of the @param, @throws, @return, @var, and @type phpdoc tags must be aligned vertically.
phpdoc_annotation_without_dot [@Symfony]

Phpdocs annotation descriptions should not be a sentence.
phpdoc_indent [@Symfony]

Docblocks should have the same indentation as the documented subject.
phpdoc_inline_tag [@Symfony]

Fix phpdoc inline tags, make inheritdoc always inline.
phpdoc_no_access [@Symfony]

@access annotations should be omitted from phpdocs.
phpdoc_no_alias_tag [@Symfony]

No alias PHPDoc tags should be used.

Configuration options:
- replacements (array): mapping between replaced annotations with new ones; defaults to ['property-read' => 'property', 'property-write' => 'property', 'type' => 'var', 'link' => 'see']
phpdoc_no_empty_return [@Symfony]

@return void and @return null annotations should be omitted from phpdocs.
phpdoc_no_package [@Symfony]

@package and @subpackage annotations should be omitted from phpdocs.
phpdoc_no_useless_inheritdoc [@Symfony]

Classy that does not inherit must not have inheritdoc tags.
phpdoc_order

Annotations in phpdocs should be ordered so that param annotations come first, then throws annotations, then return annotations.
phpdoc_return_self_reference [@Symfony]

The type of @return annotations of methods returning a reference to itself must the configured one.

Configuration options:
- replacements (array): mapping between replaced return types with new ones; defaults to ['this' => '$this', '@this' => '$this', '$self' => 'self', '@self' => 'self', '$static' => 'static', '@static' => 'static']
phpdoc_scalar [@Symfony]

Scalar types should always be written in the same form. int not integer, bool not boolean, float not real or double.
phpdoc_separation [@Symfony]

Annotations in phpdocs should be grouped together so that annotations of the same type immediately follow each other, and annotations of a different type are separated by a single blank line.
phpdoc_single_line_var_spacing [@Symfony]

Single line @var PHPDoc should have proper spacing.
phpdoc_summary [@Symfony]

Phpdocs summary should end in either a full stop, exclamation mark, or question mark.
phpdoc_to_comment [@Symfony]

Docblocks should only be used on structural elements.
phpdoc_trim [@Symfony]

Phpdocs should start and end with content, excluding the very first and last line of the docblocks.
phpdoc_types [@Symfony]

The correct case must be used for standard PHP types in phpdoc.
phpdoc_var_without_name [@Symfony]

@var and @type annotations should not contain the variable name.
pow_to_exponentiation [@PHP56Migration, @PHP70Migration, @PHP71Migration]

Converts pow() to the ** operator.

Risky rule: risky when the function ``pow()`` is overridden.
pre_increment [@Symfony]

Pre incrementation/decrementation should be used if possible.
protected_to_private [@Symfony]

Converts protected variables and methods to private where possible.
psr0

Classes must be in a path that matches their namespace, be at least one namespace deep and the class name should match the file name.

Risky rule: this fixer may change your class name, which will break the code that is depended on old name.

Configuration options:
- dir (string): the directory where the project code is placed; required
psr4 [@Symfony:risky]

Class names should match the file name.

Risky rule: this fixer may change you class name, which will break the code that is depended on old name.
random_api_migration [@PHP70Migration, @PHP71Migration]

Replaces rand, srand, getrandmax functions calls with their mt_* analogs.

Risky rule: risky when the configured functions are overridden.

Configuration options:
- replacements (array): mapping between replaced functions with the new ones; defaults to ['getrandmax' => 'mt_getrandmax', 'rand' => 'mt_rand', 'srand' => 'mt_srand']
return_type_declaration [@Symfony]

There should be one or no space before colon, and one space after it in return type declarations, according to configuration.

Configuration options:
- space_before ('none', 'one'): spacing to apply before colon; defaults to 'none'
self_accessor [@Symfony]

Inside a classy element "self" should be preferred to the class name itself.
semicolon_after_instruction

Instructions must be terminated with a semicolon.
short_scalar_cast [@Symfony]

Cast (boolean) and (integer) should be written as (bool) and (int), (double) and (real) as (float).
silenced_deprecation_error [@Symfony:risky]

Ensures deprecation notices are silenced.

Risky rule: silencing of deprecation errors might cause changes to code behaviour.
simplified_null_return

A return statement wishing to return void should not return null.

Risky rule: risky since PHP 7.1 as ``null`` and ``void`` can be hinted as return type and have different meaning.
single_blank_line_at_eof [@PSR2, @Symfony]

A PHP file without end tag must always end with a single empty line feed.
single_blank_line_before_namespace [@Symfony]

There should be exactly one blank line before a namespace declaration.
single_class_element_per_statement [@PSR2, @Symfony]

There MUST NOT be more than one property or constant declared per statement.

Configuration options:
- elements (array): list of strings which element should be modified; defaults to ['const', 'property']
single_import_per_statement [@PSR2, @Symfony]

There MUST be one use keyword per declaration.
single_line_after_imports [@PSR2, @Symfony]

Each namespace use MUST go on its own line and there MUST be one blank line after the use statements block.
single_quote [@Symfony]

Convert double quotes to single quotes for simple strings.
space_after_semicolon [@Symfony]

Fix whitespace after a semicolon.
standardize_not_equals [@Symfony]

Replace all <> with !=.
strict_comparison

Comparisons should be strict.

Risky rule: changing comparisons to strict might change code behavior.
strict_param

Functions should be used with $strict param set to true.

Risky rule: risky when the fixed function is overridden or if the code relies on non-strict usage.
switch_case_semicolon_to_colon [@PSR2, @Symfony]

A case should be followed by a colon and not a semicolon.
switch_case_space [@PSR2, @Symfony]

Removes extra spaces between colon and case value.
ternary_operator_spaces [@Symfony]

Standardize spaces around ternary operator.
ternary_to_null_coalescing [@PHP70Migration, @PHP71Migration]

Use null coalescing operator ?? where possible. Requires PHP >= 7.0.
trailing_comma_in_multiline_array [@Symfony]

PHP multi-line arrays should have a trailing comma.
trim_array_spaces [@Symfony]

Arrays should be formatted like function/method arguments, without leading or trailing single line space.
unary_operator_spaces [@Symfony]

Unary operators should be placed adjacent to their operands.
visibility_required [@PSR2, @Symfony, @PHP71Migration]

Visibility MUST be declared on all properties and methods; abstract and final MUST be declared before the visibility; static MUST be declared after the visibility.

Configuration options:
- elements (array): the structural elements to fix (PHP >= 7.1 required for const); defaults to ['property', 'method']
whitespace_after_comma_in_array [@Symfony]

In array declaration, there MUST be a whitespace after each comma.

The --dry-run option displays the files that need to be fixed but without actually modifying them:

$ php php-cs-fixer.phar fix /path/to/code --dry-run

Instead of using command line options to customize the rule, you can save the project configuration in a .php_cs.dist file in the root directory of your project. The file must return an instance of PhpCsFixer\ConfigInterface which lets you configure the rules, the files and directories that need to be analyzed. You may also create .php_cs file, which is the local configuration that will be used instead of the project configuration. It is a good practice to add that file into your .gitignore file. With the --config option you can specify the path to the .php_cs file.

The example below will add two rules to the default list of PSR2 set rules:

<?php

$finder = PhpCsFixer\Finder::create()
    ->exclude('somedir')
    ->notPath('src/Symfony/Component/Translation/Tests/fixtures/resources.php')
    ->in(__DIR__)
;

return PhpCsFixer\Config::create()
    ->setRules([
        '@PSR2' => true,
        'strict_param' => true,
        'array_syntax' => ['syntax' => 'short'],
    ])
    ->setFinder($finder)
;

NOTE: exclude will work only for directories, so if you need to exclude file, try notPath.

See Symfony\Finder online documentation for other Finder methods.

You may also use a blacklist for the rules instead of the above shown whitelist approach. The following example shows how to use all Symfony rules but the full_opening_tag rule.

<?php

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

return PhpCsFixer\Config::create()
    ->setRules([
        '@Symfony' => true,
        'full_opening_tag' => false,
    ])
    ->setFinder($finder)
;

You may want to use non-linux whitespaces in your project. Then you need to configure them in your config file.

<?php

return PhpCsFixer\Config::create()
    ->setIndent("\t")
    ->setLineEnding("\r\n")
;

By using --using-cache option with yes or no you can set if the caching mechanism should be used.

Caching

The caching mechanism is enabled by default. This will speed up further runs by fixing only files that were modified since the last run. The tool will fix all files if the tool version has changed or the list of rules has changed. Cache is supported only for tool downloaded as phar file or installed via composer.

Cache can be disabled via --using-cache option or config file:

<?php

return PhpCsFixer\Config::create()
    ->setUsingCache(false)
;

Cache file can be specified via --cache-file option or config file:

<?php

return PhpCsFixer\Config::create()
    ->setCacheFile(__DIR__.'/.php_cs.cache')
;

Using PHP CS Fixer on CI

Require friendsofphp/php-cs-fixer as a dev dependency:

$ ./composer.phar require --dev friendsofphp/php-cs-fixer

Then, add the following command to your CI:

$ IFS=$'\n'; COMMIT_SCA_FILES=($(git diff --name-only --diff-filter=ACMRTUXB "${COMMIT_RANGE}")); unset IFS
$ vendor/bin/php-cs-fixer fix --config=.php_cs.dist -v --dry-run --stop-on-violation --using-cache=no --path-mode=intersection -- "${COMMIT_SCA_FILES[@]}"

Where $COMMIT_RANGE is your range of commits, eg $TRAVIS_COMMIT_RANGE or HEAD~..HEAD.

Exit codes

Exit code is build using following bit flags:

0 OK.
1 General error (or PHP/HHVM minimal requirement not matched).
4 Some files have invalid syntax (only in dry-run mode).
8 Some files need fixing (only in dry-run mode).
16 Configuration error of the application.
32 Configuration error of a Fixer.
64 Exception raised within the application.

(applies to exit codes of the fix command only)

Helpers

Dedicated plugins exist for:

Contribute

The tool comes with quite a few built-in fixers, but everyone is more than welcome to contribute more of them.

Fixers

A fixer is a class that tries to fix one CS issue (a Fixer class must implement FixerInterface).

Configs

A config knows about the CS rules and the files and directories that must be scanned by the tool when run in the directory of your project. It is useful for projects that follow a well-known directory structures (like for Symfony projects for instance).

Name		Name	Last commit message	Last commit date
Latest commit History 3,377 Commits
.github		.github
doc		doc
src		src
tests		tests
.appveyor.yml		.appveyor.yml
.editorconfig		.editorconfig
.gitattributes		.gitattributes
.gitignore		.gitignore
.php_cs.dist		.php_cs.dist
.travis.yml		.travis.yml
CHANGELOG.md		CHANGELOG.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
README.rst		README.rst
UPGRADE.md		UPGRADE.md
benchmark.sh		benchmark.sh
box.json		box.json
check_trailing_spaces.sh		check_trailing_spaces.sh
composer.json		composer.json
php-cs-fixer		php-cs-fixer
phpmd.xml		phpmd.xml
phpunit.xml.dist		phpunit.xml.dist

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PHP Coding Standards Fixer

Requirements

Installation

Locally

Globally (manual)

Globally (Composer)

Globally (homebrew)

Update

Locally

Globally (manual)

Globally (Composer)

Globally (homebrew)

Usage

Caching

Using PHP CS Fixer on CI

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