phpcompatibility/phpcompatibility-passwordcompat

A ruleset for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by ircmaxell's password_compat library.

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Type:phpcodesniffer-standard

pkg:composer/phpcompatibility/phpcompatibility-passwordcompat

2.0.0-alpha1 2025-10-21 05:28 UTC

README

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Using PHPCompatibilityPasswordCompat, you can analyse the codebase of a project using @ircmaxell's password_compat polyfill library, for PHP cross-version compatibility.

What's in this repo ?

A ruleset for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by @ircmaxell's password_compat polyfill library.

This ruleset prevents false positives from the PHPCompatibility standard by excluding back-fills and polyfills which are provided by the password_compat library.

Funding

This project needs funding.

The project team has spend thousands of hours creating and maintaining the PHPCompatibility packages. This is unsustainable without funding.

If you use PHPCompatibility, please fund this work by setting up a monthly contribution to the PHP_CodeSniffer Open Collective.

Requirements

Installation instructions

The only supported installation method is via Composer.

Composer will automatically install the project dependencies and register the external rulesets with PHP_CodeSniffer using the Composer PHPCS plugin.

Run the following from the root of your project:

composer config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true
composer require --dev phpcompatibility/phpcompatibility-passwordcompat:"^2.0@dev"

Next, run:

vendor/bin/phpcs -i

If all went well, you will now see that the PHPCompatibility and PHPCompatibilityPasswordCompat standards are installed for PHP_CodeSniffer.

Upgrade instructions

To upgrade this package, run the following command:

composer update --dev phpcompatibility/phpcompatibility-passwordcompat --with-dependencies

Tip

If you have a root requirement in your project for one of the packages used by this project, you may need to update with --with-all-dependencies instead.

How to use

You can now use the following command to inspect the code in your project for PHP cross-version compatibility:

vendor/bin/phpcs -p . --standard=PHPCompatibilityPasswordCompat

By default, you will only receive notifications about deprecated and/or removed PHP features.

To get the most out of the PHPCompatibilityPasswordCompat standard, you should specify a testVersion to check against. That will enable the checks for both deprecated/removed PHP features as well as the detection of code using new PHP features.

For example:

# For a project which should be compatible with PHP 5.3 up to and including PHP 7.0:
vendor/bin/phpcs -p . --standard=PHPCompatibilityPasswordCompat --runtime-set testVersion 5.3-7.0

# For a project which should be compatible with PHP 5.4 and higher:
vendor/bin/phpcs -p . --standard=PHPCompatibilityPasswordCompat --runtime-set testVersion 5.4-

For more detailed information about setting the testVersion, see the README of the generic PHPCompatibility standard.

Testing PHP files only

By default PHP_CodeSniffer < 4.0 will analyse PHP, JavaScript and CSS files. As the PHPCompatibility sniffs only target PHP code, you can make the run slightly faster by telling PHP_CodeSniffer to only check PHP files, like so:

vendor/bin/phpcs -p . --standard=PHPCompatibilityPasswordCompat --extensions=php --runtime-set testVersion 5.3-

License

All code within the PHPCompatibility organisation is released under the GNU Lesser General Public License (LGPL). For more information, visit https://www.gnu.org/licenses/lgpl-3.0.html.