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eZ Publish (5.x)

eZ Publish 5.x | For eZ Platform & eZ Studio topics see Technical manual and User manual, for eZ Publish 4.x and Legacy topics see eZ Publish legacy

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titleWhy PHP 7.2 and higher won't be officially supported on 5.4

PHP 7.x series has added more and more deprecations to cleanup the language for each new release. As 5.4 is a stable release, and one that has a legacy from way before PHP7 came to be, we can not risk BC breaks on 5.4 by attempting to fix these deprecations. However in the newer feature releases of eZ Publish legacy, support for this is progressively being added by both eZ and the community, making upgrading to eZ Platform 2.5LTS + legacy bridge 2.x + eZ Publish legacy 2019.03.x a viable alternative, if you are up for small adapting your own extensions for changes in PHP as well.

So while we will try to make sure 5.4 is able to boot on higher version of PHP 7.x, it won't be officially supported for use 7.2 and higher in production. In practice this means if you hit issues which can be attributed to PHP version, and we can't fix it without breaking BC, then we will ask you to either upgrade eZ install or downgrade PHP.