WordPress tutorial: adding author filtering options to the background article list

When there are multiple users publishing articles in our site, in order to facilitate the administrator to view the article list of an author, we can add an author filtering option function in the background article list,.

The way to add this function is also very simple. Add the code below to the topic functions.php File.

add_action('restrict_manage_posts', function($post_type){
	if(post_type_supports($post_type, 'author')){
			'name'						=> 'author',
			'who'						=> 'authors',
			'show_option_all'			=> 'All authors',
			'hide_if_only_one_author'	=> true,
			'selected'					=> $_REQUEST['author'] ?? 0

This function has been integrated into the wpjam basic plugin, and has been provided for free download!

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