Add metabox with media uploader in a custom post type
109183
Add "upload media" button in meta box field
151458
Toggle admin metabox based upon chosen page template
125456
Adding categories to custom post type in permalink
86103
Creating a poll inside a content type
8876
How do I programmatically create a new content type?
49724
Wordpress media upload limit?
156755
get_post_gallery with Gutenberg
146397
How to enlarge thickbox media library iframe?
43232
Change capability type of post type registered by plugin
4585
Zend File Upload and Element Decorators
135861
Custom plugin giving: wp-admin/admin-ajax.php 400 (Bad Request)
142335
Merge two custom post types into one admin page?
155261
How to add metabox for post of specific category
57562
How do programmatically create fields for content types, and ADD them to the the content type form
158485
Access post meta just after publishing
43025
Add new user and add meta at once
152667
Add class name to post thumbnail