Problem: You are encountering a 'PHP Deprecated' issue on your production website after upgrading the PHP version from 8.2 to 8.4. This issue is specific to the production environment and does not appear on the development site, despite both using the same versions of WordPress and the WPML plugin. Solution: We are currently working on full support for PHP 8.4, as WordPress support for this version is still in beta. Until WordPress fully supports PHP 8.4, we recommend using a PHP version that is officially supported by WordPress. You can check the supported PHP versions here: WordPress PHP Compatibility.
If this solution does not apply to your case, or if it becomes outdated, we highly recommend checking related known issues at WPML Known Issues, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If further assistance is needed, please open a new support ticket at WPML Support Forum.
Problem: After upgrading to PHP 8.2, you might encounter deprecation warnings related to WPML, specifically with dynamic properties in Whip_RequirementsChecker. These warnings appear as 'Deprecated: Creation of dynamic property Whip_RequirementsChecker::$configuration' and 'Deprecated: Creation of dynamic property Whip_RequirementsChecker::$messageManager'. Solution: Currently, PHP 8.2.x is not fully compatible with WPML. The warnings you see are due to deprecated functions that will need updating but are still operational. To prevent these warnings from displaying to your visitors, we recommend disabling the debug mode in WordPress. You can do this by editing your wp-config.php file and ensuring it includes the following line:
If this solution does not apply to your case, or if it becomes outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. Should you need further assistance, please do not hesitate to open a new support ticket or visit our support forum.
