How to Create Custom Write Panels in WordPress with More Fields Plugin

How to Create WordPress Custom Fields Without Plugins
WordPress has made it easy for developers to customize WordPress in so many ways to meet their custom needs, including letting developers assign new meta-data within a post. That way developer can display additional outcomes within their themes or plugins on top of standard data like the post title, post content, and post author.
How to Create Custom Post Types in WordPress without using Plugin
In this article, we’ll show you how to create custom post types in WordPress. Also, you’ll know how to add taxonomy or category of custom post types in WordPress. WordPress custom post type helps you to divide up your website content in a more structured way. For example, your website offers some products to users and you want to separate the products section from the posts section. In that case, you would probably need a separate product post type. This custom post type will have its own custom category and custom fields.
WordPress.org
form> element * Options page: Fixed incorrect redirect URL from a sub options page * Field group: Added new ‘post_template’ location rule (requires WP 4.7) * Core: Added support for the wp_termmeta table (includes DB upgrade) * Core: Added new ‘select_2_version’ setting which can be changed between 3 and 4 * Core: Added new ‘enqueue_select2’ setting which can be used to prevent the library from being enqueued * Core: Added new ‘enqueue_google_maps’ setting which can be used to prevent the library from being enqueued * Core: Minor fixes and improvements * Language: Updated Portuguese translation – thanks to Pedro Mendonça * Language: Updated Norwegian translation – thanks to Havard Grimelid * Language: Updated Swedish translation – thanks to Jonathan de Jong * Language: Updated German translation – thanks to Ralf Koller * Language: Updated Italian translation – thanks to Davide Pantè * Language: Updated Swiss German translation – thanks to Raphael Hüni
Create Custom Write Panels in WordPress
Now that we have our data about the form fields we’ll show to the admin, its time to add our second action. So far we have something to display our new admin panel and show some form fields. Now we want the form fields to save our data when the user hits the “update” or “publish” buttons. We’ll do that by adding another “hook” into WordPress.