It looks like the issue is coming because of the conflict of the hooks (manage_media_columns and manage_{$screen->id}_columns) because when we manage_{$screen->id}_columns used for media it becomes manage_media_columns and started conflicting. The same details are mentioned in the documentation link of the hook. Link: https://developer.wordpress.org/reference/hooks/manage_screen-id_columns/#more-information
How to add field new in account bacs in woocommerce?
Changing “Add New Post” to a string with unescaped HTML tags cannot be accomplished using only PHP: WordPress core escapes any HTML in the CPT’s label for that text. Additionally (again, only using PHP), there is no way to remove that block of text: setting the add_new_item label to blank when registering the CPT results … Read more
What hook runs wpautop on template content?
How do I modify the TinyMCE editor Add Media button to insert a thumbnail preview of PDFs in addition to a text link?
How to modify username before logging in?
This will never work: add_action( ‘admin_init’, ‘my_ajax_checker’, 10, 2); function my_ajax_checker() { if( wp_doing_ajax() ) { add_action(‘plugins_loaded’, ‘atv_convert_multilingual’); } } This is because by the time admin_init runs, plugins_loaded has already happened! Making this code would would require the code to travel backwards in time. Instead it would be much simpler to do this: add_action(‘plugins_loaded’, … Read more
Add 2 links in between the navigation using the Breadcrumb Navxt plugin hook
Skipping all WP functions for a cached version
I finally used the classic wp_nav_menu interface, it seems the last Navigation Bloc is great for ease of use, but for customization it seems to be less user friendly from an API/hook point of view. I set this topic as answered.