includes/user/Options/Hook/SaveUserOptionsHook.php
<?php
namespace MediaWiki\User\Options\Hook;
use MediaWiki\User\UserIdentity;
/**
* This is a hook handler interface, see docs/Hooks.md.
* Use the hook name "SaveUserOptions" to register handlers implementing this interface.
*
* @stable to implement
* @ingroup Hooks
*/
interface SaveUserOptionsHook {
/**
* This hook is called just before saving user preferences.
*
* Hook handlers can either add or manipulate options, or reset one back to its default
* to block changing it. Hook handlers are also allowed to abort the process by returning
* false, e.g. to save to a global profile instead. Compare to the UserSaveSettings
* hook, which is called after the preferences have been saved.
*
* @since 1.37
*
* @param UserIdentity $user The user for which the options are going to be saved
* @param array &$modifiedOptions The user's options as an associative array, modifiable.
* To reset the preference value to default, set the preference to null.
* To block the preference from changing, unset the key from the array.
* To modify a preference value, set a new value.
* @param array $originalOptions The user's original options being replaced
* @return bool|void True or no return value to continue or false to abort
*/
public function onSaveUserOptions( UserIdentity $user, array &$modifiedOptions, array $originalOptions );
}