WP_Internal_Pointers

15#[AllowDynamicProperties]16final class WP_Internal_Pointers {17	/**18	 * Initializes the new feature pointers.19	 *20	 * @since 3.3.021	 *22	 * All pointers can be disabled using the following:23	 *     remove_action( 'admin_enqueue_scripts', array( 'WP_Internal_Pointers', 'enqueue_scripts' ) );24	 *25	 * Individual pointers (e.g. wp390_widgets) can be disabled using the following:26	 *27	 *    function yourprefix_remove_pointers() {28	 *        remove_action(29	 *            'admin_print_footer_scripts',30	 *            array( 'WP_Internal_Pointers', 'pointer_wp390_widgets' )31	 *        );32	 *    }33	 *    add_action( 'admin_enqueue_scripts', 'yourprefix_remove_pointers', 11 );34	 *35	 * @param string $hook_suffix The current admin page.36	 */37	public static function enqueue_scripts( $hook_suffix ) {38		/*39		 * Register feature pointers40		 *41		 * Format:42		 *     array(43		 *         hook_suffix => pointer callback44		 *     )45		 *46		 * Example:47		 *     array(48		 *         'themes.php' => 'wp390_widgets'49		 *     )50		 */51		$registered_pointers = array(52			// None currently.53		);54 55		// Check if screen related pointer is registered.56		if ( empty( $registered_pointers[ $hook_suffix ] ) ) {57			return;58		}59 60		$pointers = (array) $registered_pointers[ $hook_suffix ];61 62		/*63		 * Specify required capabilities for feature pointers64		 *65		 * Format:66		 *     array(67		 *         pointer callback => Array of required capabilities68		 *     )69		 *70		 * Example:71		 *     array(72		 *         'wp390_widgets' => array( 'edit_theme_options' )73		 *     )74		 */75		$caps_required = array(76			// None currently.77		);78 79		// Get dismissed pointers.80		$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );81 82		$got_pointers = false;83		foreach ( array_diff( $pointers, $dismissed ) as $pointer ) {84			if ( isset( $caps_required[ $pointer ] ) ) {85				foreach ( $caps_required[ $pointer ] as $cap ) {86					if ( ! current_user_can( $cap ) ) {87						continue 2;88					}89				}90			}91 92			// Bind pointer print function.93			add_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_' . $pointer ) );94			$got_pointers = true;