Extension load ordering

The order of the active extensions decides which extension's settings, templates and design files win when two provide the same thing: an extension loaded earlier wins over a later one.

How the order is made

• The order of the ActiveExtensions[] lines in settings/override/site.ini.append.php, followed by the ActiveAccessExtensions[] lines of the siteaccess.
• With [ExtensionSettings] ExtensionOrdering=enabled, the setting shipped in Exponential 6, the dependencies each extension declares in its extension.xml decide first: an extension is loaded after the ones it depends on, wherever it stands in the list.

See and change it

Setup > Extensions in the administration shows the list in loading order, and each card shows where the extension really loads. Change the order in the same list; the page writes it only after a review, keeps the comments in the settings file, makes a backup first and clears the caches that depend on the order.

On the command line, see the list and which file sets it:

./console exp:ini list site.ini/ExtensionSettings
./console exp:ini where site.ini/ExtensionSettings/ActiveExtensions

To change it by hand, edit the order of the ActiveExtensions[] lines in settings/override/site.ini.append.php, then clear the INI and template override caches (php bin/php/ezcache.php --clear-tag=ini and --clear-id=template-override). If you moved a theme extension, check a page of the site afterwards.

More: The Extensions page. Previous step: Activating the extension.