.. _ruleset-compatibilityphp81:

CompatibilityPHP81
++++++++++++++++++

This ruleset centralizes all analysis for the migration from PHP 8.0 to 8.1.

Total : 34 analysis

* :ref:`php-7.4-removed-directives`
* :ref:`php-8.0-removed-directives`
* :ref:`restrict-global-usage`
* :ref:`inherited-static-variable`
* :ref:`php-8.1-removed-directives`
* :ref:`openssl-encrypt-default-algorithm-change`
* :ref:`php-8.1-removed-constants`
* :ref:`php-native-class-type-compatibility`
* :ref:`no-null-for-native-php-functions`
* :ref:`calling-static-trait-method`
* :ref:`no-referenced-void`
* :ref:`php-native-interfaces-and-return-type`
* :ref:`new-functions-in-php-8.1`
* :ref:`php-8.1-removed-functions`
* :ref:`never-keyword`
* :ref:`mixed-keyword`
* :ref:`false-to-array-conversion`
* :ref:`float-conversion-as-index`
* :ref:`cannot-call-static-trait-method-directly`
* :ref:`version\_compare-operator`
* :ref:`named-argument-and-variadic`
* :ref:`constants-in-traits`
* :ref:`use-enum-case-in-constant-expression`
* :ref:`readonly-property-changed-by-cloning`
* :ref:`new-dynamic-class-constant-syntax`
* :ref:`class\_alias()-supports-internal-classes`
* :ref:`redeclared-static-variable`
* :ref:`static-variable-can-default-to-arbitrary-expression`
* :ref:`final-traits-are-final`
* :ref:`typed-class-constants-usage`
* :ref:`static-variable-initialisation`
* :ref:`void-is-not-a-reference`
* :ref:`php-8.1-new-types`
* :ref:`php-8.2-new-types`

Specs
_____

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| Short name   | CompatibilityPHP81                                                                                                                                                                      |
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| Available in | `Entreprise Edition <https://www.exakat.io/entreprise-edition>`_, `Community Edition <https://www.exakat.io/community-edition>`_, `Exakat Cloud <https://www.exakat.io/exakat-cloud/>`_ |
+--------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Reports      | :ref:`report-diplomat`, :ref:`report-ambassador`                                                                                                                                        |
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