What are WordPress meta boxes?
Meta Box is a framework that helps developers build custom meta boxes and custom fields in WordPress fast and easily. It has a wide range of field types, field settings and supports not only posts but also terms, users, comments, settings pages, and custom tables.
What is CMB2 plugin?
CMB2 is a developer’s toolkit for building metaboxes, custom fields, and forms for WordPress that will blow your mind. Easily manage meta for posts, terms, users, comments, or create custom option pages. Download plugin on wordpress.org. CMB2 is a complete rewrite of Custom Metaboxes and Fields for WordPress.
How to add custom meta box with multiple fields?
To add WordPress custom meta box with multiple fields, first I will create a meta box with multiple fields. So in this case, I will add text, select, textarea, radio and checkbox input fields in my custom WordPress meta box, and then will save the value of these fields in the database and show you how to get the value of these fields.
How to save custom meta boxes in WordPress?
We had the form for users to fill data, but WordPress does not save it automatically. We must save it ourselves. In order to save custom fields when users save or update a post, we need to hook to action save_post. save_post is called after the post is saved. To save the custom fields, we’ll use the function update_post_meta.
Is it easy to add meta boxes in OOP?
Adding meta boxes using OOP is easy and saves you from having to worry about naming collisions in the global namespace. To save memory and allow easier implementation, the following example uses an abstract Class with static methods.
Which is an example of a meta box?
The following example is adding a meta box to the post edit screen and the wporg_cpt edit screen. ‘wporg_custom_box_html’, The wporg_custom_box_html function will hold the HTML for the meta box. The following example is adding form elements, labels, and other HTML elements.