How to Create Your Own Status Post in WordPress

Why do we need custom statuses? As always, there are many use cases. I personally used them only once — to mark products that didn’t fall into any category when importing from the Yandex Market.

Below is an example of creating a custom post status. More about all the parameters can be found in the official WordPress Codex. I just want to highlight the following points:

1. The "label_count" parameter must be defined using the "_n_noop()" function.
2. Unfortunately, custom statuses are not automatically shown on the post edit/create page or in the post list table (when hovering over the post title to see quick actions).

register_post_status('OUTSIDE', array(
	'label' => 'Uncategorized',
	'label_count' => _n_noop('Uncategorized <span class="count">(%s)</span>', 'Uncategorized <span class="count">(%s)</span>'),
	'public'			=> true,
	'internal'			=> true,
	'exclude_from_search'		=> true,
	'show_in_admin_all_list'	=> true,
	'show_in_admin_status_list'	=> true,
));

To make this work, I had to use a "workaround" I found on the internet. Specifically:

/* Called in class constructor */
add_action('admin_footer-post.php', array($this, 'admin_footer_post'));
add_action('admin_footer-post-new.php', array($this, 'admin_footer_post'));
add_action('admin_footer-edit.php', array($this, 'admin_footer_edit'))

/* Just class methods */

/** 
* @hook 
* - admin_footer-post.php 
* - admin_footer-post-new.php 
*/
public function admin_footer_post()
{ 
if(get_current_screen() -> post_type == 'ya-catalog'): 
?> 
<script> 
jQuery(document).ready(function() 
{ 
jQuery('select[name="post_status"]').append('<option value="OUTSIDE">Out of category</option>'); 
}); 
</script> 
<?php 
endif;
}

/** 
* @hook admin_footer-edit.php 
*/
public function admin_footer_edit()
{ 
if(get_current_screen() -> post_type == 'ya-catalog'): 
?> 
<script> 
jQuery(document).ready(function() 
{ 
jQuery('select[name="_status"]').append('<option value="OUTSIDE">Out of categories</option>'); 
}); 
</script> 
<?php 
endif;
}

The solution is not the most elegant, but it’s still better than nothing.