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<?php
namespace MediaWiki\Permissions\Hook;
use MediaWiki\Title\Title;
use MediaWiki\User\User;
use Wikimedia\Message\MessageSpecifier;
/**
* This is a hook handler interface, see docs/Hooks.md.
* Use the hook name "getUserPermissionsErrorsExpensive" to register handlers implementing this interface.
*
* @stable to implement
* @ingroup Hooks
*/
interface GetUserPermissionsErrorsExpensiveHook {
/**
* This hook is equal to getUserPermissionsErrors, but it is called only if
* expensive checks are enabled. Use this hook to add a permissions error when
* permissions errors are checked for. Return false if the user can't do it, and
* populate $result with the reason in the form of [ messagename, param1, param2,
* ... ] or a MessageSpecifier instance (you might want to use ApiMessage to
* provide machine-readable details for the API).
*
* @since 1.35
*
* @param Title $title Title being checked against
* @param User $user Current user
* @param string $action Action being checked
* @param array|string|MessageSpecifier &$result User permissions error to add. If none, return true.
* For consistency, error messages should be plain text with no special coloring,
* bolding, etc. to show that they're errors; presenting them properly to the
* user as errors is done by the caller.
* @return bool|void True or no return value to continue or false to abort
*/
public function onGetUserPermissionsErrorsExpensive( $title, $user, $action,
&$result
);
}
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