How to create a custom meta box in WordPress?

How to create a custom meta box in WordPress?

Create a custom post type. Add a custom meta box. This tutorial is independent of the previous installments. If you’ve been following along, you can just add this on to what you already have. If not, you can still do this tutorial from scratch as long as you have a basic knowledge of WordPress.

How to add custom meta fields to attachments in WordPress?

Using the two attachment custom fields we create above for “Credit text” and “Credit Link” we can add an additional paragraph to display the image credit information in the shortcode in WordPress. For more information on filtering the caption shortcode in WordPress I highly recommend the WP Engineer article Filter Caption Shortcode in WordPress.

How to use caption, alt text and description in WordPress?

The Title, Caption, Alt Text, and Description fields for images in WordPress are the most ignored and underutilized features that can improve your content and bring more people to your site. Learn how to use them to create better user experiences and more attractive and compelling content.

Do you need alt text for image caption?

It is worth noting that WordPress image captions can contain HTML including links. The alt attribute or “Alt text” is mandatory for images on the web but is often ignored because it seems unnecessary. This is unfortunate because the alt attribute is both important and powerful.

Among the array argument used by register_post_type () for customizing a custom post type is the register_meta_box_cb in which its value is a callback function that is called when setting up the meta boxes. Say we created a book custom post type with the following code:

How to add a meta box to a post type?

To add a meta box to a number of post types screens – post, page and a book custom post type; create an array of the post types, iterate over the array and use add_meta_box() to add the meta box to them.

Which is WordPress hook fires after save all post data?

Our ‘post_updated’ hook is running before post is updated, so every attempt for getting meta data will result with the previous data. Also, WordPress (v5.7.2) doesn’t seem to have a hook for after a post was saved.

How can I edit post data before it is saved?

Please note that I want to intercept the data on it’s way to being saved in the database – not when it is being displayed in the post (eg: Not by adding a filter to the_content) Use filter content_save_pre exactly like the_content — the difference is that it operates when a post is saved, rather than displayed.

How to create custom post types in WordPress?

Using MB Custom Post Types & Custom Taxonomies extension, you will be able to craft the WordPress admin and turn it into a professional Content Management Systems. Works independently with Meta Box, you can use it as a standalone plugin or with Meta Box (and other extensions).

What should the title of a meta box be?

Title of the meta box. The function that fills the box with the desired content. The function should echo its output. The screen or screens on which to show the box (such as a post type, link, or comment ). The context within the screen where the boxes should display. Post edit screen contexts include normal, side, and advanced.