View file File name : capability-helper.php Content :<?php namespace Yoast\WP\SEO\Helpers; /** * A helper object for user capabilities. */ class Capability_Helper { /** * Checks if the user has at least one of the proper capabilities. * * @param string $capability Capability to check. * * @return bool True if the user has at least one of the proper rights. */ public function current_user_can( $capability ) { if ( $capability === 'wpseo_manage_options' ) { return \current_user_can( $capability ); } return $this->has_any( [ 'wpseo_manage_options', $capability ] ); } /** * Retrieves the users that have the specified capability. * * @param string $capability The name of the capability. * * @return array The users that have the capability. */ public function get_applicable_users( $capability ) { $applicable_roles = $this->get_applicable_roles( $capability ); if ( $applicable_roles === [] ) { return []; } return \get_users( [ 'role__in' => $applicable_roles ] ); } /** * Retrieves the roles that have the specified capability. * * @param string $capability The name of the capability. * * @return array The names of the roles that have the capability. */ public function get_applicable_roles( $capability ) { $roles = \wp_roles(); $role_names = $roles->get_names(); $applicable_roles = []; foreach ( \array_keys( $role_names ) as $role_name ) { $role = $roles->get_role( $role_name ); if ( ! $role ) { continue; } // Add role if it has the capability. if ( \array_key_exists( $capability, $role->capabilities ) && $role->capabilities[ $capability ] === true ) { $applicable_roles[] = $role_name; } } return $applicable_roles; } /** * Checks if the current user has at least one of the supplied capabilities. * * @param array $capabilities Capabilities to check against. * * @return bool True if the user has at least one capability. */ private function has_any( array $capabilities ) { foreach ( $capabilities as $capability ) { if ( \current_user_can( $capability ) ) { return true; } } return false; } }