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Custom WordPress post statuses are useful when creating different custom post types and their statuses. One of the best example on how to use them is WooCommerce and the order statuses. In this tutorial we will create a simple class that will handle creating custom post statuses with ease.
Every bit of code that you see here or make from here can be used in any of your projects, both personal and commercial.
There is a function in the WordPress core that is used for registering custom WordPress post statuses. This function is register_post_status and you should use it to register your own WordPress post statuses.
Besides the post status slug, you can also pass some arguments:
There are some other arguments that can be set but we are not going to explain each of them thought we will have them in our code if for some reason you will have the need to set them.
Now that you know how to register a custom WordPress post status we can start coding our class. We will first define all our attributes:
The first attribute $post_type is an array that will hold every post type for which we want to register this post status. Attribute $slug is the unique name of the post status. The third attribute $enable_action is the value that will define the action button that will be used for this post status.
This action can hide the button so that the user can’t edit that content under that post status. That action can also be used to enable the publishing functionality so that the content under that post status can be published and get the publish post status. The last option is update which would enable saving the content under that post status and also leave the content under the same post status.
Attribute $defaults contains every argument that can be set for the custom WordPress post status and the last attribute is $settings that will contain every setting for that post status.
Once we understand the meaning of each of our attributes we can define how our custom WordPress post status will be created.
If there are no arguments, we will stop processing the creation of our WordPress post status. We will do the same if the slug or post_type arguments are not set. If they are set, we will also set them to our attributes $slug and $post_type.
After that we will check if the argument action is set. If that is set and it has one of the allowed values which are false, true, publish or update we will set that value to $enable_action.
We are also checking if the arguments label and label_count are set. If that is not set we are setting them from the $slug. Once everything is set we are unsetting arguments post_type, slug and action since that arguments are not needed in the function register_post_status.
The last we have to do is to parse our arguments with defaults to get an array full of needed arguments and also to hook some methods. We parse our arguments with defaults using a WordPress function wp_parse_args and set the returned value to our attribute $settings.
This is a really simple method. We will just call the WordPress API function register_post_status:
Here we are just passing our $slug and $settings attributes. That is all 🙂
If the current content has our custom post status then we are setting two variables that will be used to set our custom post status in the Publish box. The variable $complete is used for the HTML that creates an option element. We are appending that option to the select element with the id post_status. The variable $complete will there add the selected=selected element attribute to that option if it is set.
We are also adding the variable $label that will have our custom WordPress post status label as value (if the current content is of that post status). As the last thing, we are checking the action that is set.
If the action is set to false then we are removing the button so that the user cannot save or publish the content. If the action is set to update we are changing the text inside the button to “Update” and also the HTML attribute name to save.
By using that action, WordPress will know to save the content and not to publish it. If the action is set to true or publish then we will leave the button as it is so that the content will get published once its clicked.
Here is a simple example of setting a Custom Status with the update functionality:
Custom WordPress post statuses can be really useful as I have said at the beginning of this tutorial. By using the OOP approach we can easily create various custom post statuses for any type of content you want in WordPress.
Have you ever created custom post statuses? Did you struggle using them in the admin area? Share your experience in the comments below!
Web Developer who mainly uses WordPress for projects. Working on various project through Codeable & Toptal. Author of several ebooks at https://leanpub.com/u/igorbenic.
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