Edit: add-on-interface.php
<?php // phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Needed in the folder structure. namespace Yoast\WP\SEO\Plans\Domain\Add_Ons; /** * This interface describes an add-on for a plan. */ interface Add_On_Interface { /** * Returns the ID. * * @return string */ public function get_id(): string; /** * Returns whether the add-on is installed and activated. * * @return bool */ public function is_active(): bool; /** * Returns whether the add-on has an valid license. * * @return bool */ public function has_license(): bool; /** * Returns the click-to-buy action. * * @return string */ public function get_ctb_action(): string; /** * Returns the click-to-buy ID. * * @return string */ public function get_ctb_id(): string; }
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