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PHPCompatibilityParagonie
Using PHPCompatibilityParagonie, you can analyse the codebase of a project using either of the Paragonie polyfills, for PHP cross-version compatibility.
What's in this repo ?
Two rulesets for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by the Paragonie polyfill libraries.
These rulesets prevent false positives from the PHPCompatibility standard by excluding back-fills and poly-fills which are provided by those libraries.
Paragonie Polyfill Library | Corresponding PHPCompatibility Ruleset | Includes
--- | --- | ---
random_compat | PHPCompatibilityParagonieRandomCompat
sodium_compat | PHPCompatibilityParagonieSodiumCompat | PHPCompatibilityParagonieRandomCompat
> Note:
> As the sodium_compat library has random_compat as a dependency, the PHPCompatibilityParagonieSodiumCompat ruleset includes the PHPCompatibilityParagonieRandomCompat ruleset.
>
> In practice, this means that if your project uses both libraries, you just need to use the PHPCompatibilityParagonieSodiumCompat ruleset to prevent false positives from both.
Requirements
Installation instructions
The only supported installation method is via Composer.
If you don't have a Composer plugin installed to manage the installed_paths setting for PHP_CodeSniffer, run the following from the command-line: composer config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true
composer require --dev dealerdirect/phpcodesniffer-composer-installer:"^0.7" phpcompatibility/phpcompatibility-paragonie:"*"
If you already have a Composer PHP_CodeSniffer plugin installed, run: composer require --dev phpcompatibility/phpcompatibility-paragonie:"*"
Next, run: vendor/bin/phpcs -i
If all went well, you will now see that the PHPCompatibility, PHPCompatibilityParagonieRandomCompat and PHPCompatibilityParagonieSodiumCompat standards are installed for PHP_CodeSniffer.
How to use
Now you can use the following commands to inspect the code in your project for PHP cross-version compatibility: ./vendor/bin/phpcs -p . --standard=PHPCompatibilityParagonieRandomCompat
./vendor/bin/phpcs -p . --standard=PHPCompatibilityParagonieSodiumCompat
By default, you will only receive notifications about deprecated and/or removed PHP features.
To get the most out of the PHPCompatibilityParagonie rulesets, 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=PHPCompatibilityParagonieRandomCompat --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=PHPCompatibilityParagonieSodiumCompat --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 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=PHPCompatibilityParagonieRandomCompat --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/copyleft/lesser.html
Changelog
1.3.3 - 2024-04-25
-
Prevent a new false positive when the ruleset is run over the code of the latest 1.x version of the `sodium_compat` polyfill itself.
-
The recommended version of the [Composer PHPCS plugin] is now `^1.0`.
-
Other housekeeping. Includes a contribution from [@fredden].
1.3.2 - 2022-10-25
-
README: Updated the installation instructions for [compatibility with Composer >= 2.2][composer22announce].
-
Composer: The package will now identify itself as a static analysis tool. Thanks [@GaryJones]!
-
Other housekeeping and minor documentation updates.
[composer22announce]: https://blog.packagist.com/composer-2-2/#more-secure-plugin-execution
1.3.1 - 2021-02-15
-
The recommended version of the [Composer PHPCS plugin] is now `^0.7.0`, which offers compatibility with Composer 2.0.
-
The rulesets are now also tested against PHP 7.4 and 8.0.
Note: full PHP 7.4 support is only available in combination with PHP_CodeSniffer >= 3.5.6.
Note: runtime PHP 8.0 support is only available in combination with PHP_CodeSniffer >= 3.5.7, full support is expected in PHP_CodeSniffer 3.6.0.
1.3.0 - 2019-11-04
1.2.0 - 2019-10-16
1.1.0 - 2019-08-29
-
The `PHPCompatibilityParagonieSodiumCompat` ruleset has been updated to account for the latest changes in the `sodium_compat` polyfill.
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Prevent false positives when the ruleset is run over the code of the `sodium_compat` polyfill itself.
-
Composer: The recommended version of the [Composer PHPCS plugin] has been upped to `^0.5.0`.
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CI: Improved integration test for the `SodiumCompat` ruleset.
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CI: Added early warning system for false positives due to changes in the polyfill libraries themselves.
1.0.1 - 2018-12-16
-
Prevent false positives when the ruleset is run over the code of the `random_compat` polyfill itself.
-
The rulesets are now also tested against PHP 7.3.
Note: full PHP 7.3 support is only available in combination with PHP_CodeSniffer 2.9.2 or 3.3.1+ due to an incompatibility within PHP_CodeSniffer itself.
1.0.0 - 2018-10-07
Initial release of PHPCompatibilityParagonie containing rulesets covering the random_compat and sodium_compat polyfill libraries.
[Composer PHPCS plugin]: https://github.com/PHPCSStandards/composer-installer/
[@fredden]: https://github.com/fredden
[@GaryJones]: https://github.com/GaryJones
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