[wp-trac] [WordPress Trac] #31073: Add new filter on function register_post_type

[WordPress Trac]

#31073: Add new filter on function register_post_type
-------------------------+-------------------------------------------------
 Reporter:  teolaz       |       Owner:  (none)
     Type:  enhancement  |      Status:  closed
 Priority:  normal       |   Milestone:
Component:  Posts, Post  |     Version:  4.1.5
  Types                  |
 Severity:  normal       |  Resolution:  duplicate
 Keywords:               |     Focuses:  coding-standards, php-
                         |  compatibility
-------------------------+-------------------------------------------------

Comment (by syyprea087):

 Enhancing PHP Compatibility and Coding Standards for register_post_type
 Change Log:

 Version Updated: 4.1 to 4.1.5
 Focus: PHP compatibility and coding standards improvement

 Objective:
 Enhance the way you register custom post types in WordPress by creating a
 wrapper function. This allows you to modify the arguments for custom post
 types without altering the core functionality directly.

 Steps to Implement Custom Modifications
 Create a Wrapper Function

 Instead of calling register_post_type directly, we'll create a wrapper
 function. This function will apply any custom filters to the arguments
 before calling the original register_post_type.

 {{{#!php
 <?php
 function custom_register_post_type($post_type, $args = array()) {
     // Apply modifications to $args before registering
     $modified_args = apply_filters('custom_register_post_type_args',
 $args, $post_type);

     // Call the original register_post_type function with modified
 arguments
     register_post_type($post_type, $modified_args);
 }

 Apply Custom Modifications

 Use the custom_register_post_type_args filter to modify the arguments for
 your custom post type. This allows you to alter the behavior or settings
 of your post type as needed.
 {{{#!php
 <?php
 function modify_custom_post_type_args($args, $post_type) {
     if ($post_type === 'your_custom_post_type') {
         // Modify $args based on your requirements
         $args['rewrite'] = array('slug' => 'new-slug');
         // Additional modifications can be added here
     }
     return $args;
 }
 add_filter('custom_register_post_type_args',
 'modify_custom_post_type_args', 10, 2);

 }}}

 }}}


 Register Your Custom Post Type Using the Wrapper Function

 Instead of calling register_post_type directly, use your
 custom_register_post_type function to register your custom post type with
 the modified arguments.

 {{{#!php
 <?php
 // Example usage
 $args = array(
     'label' => 'Custom Post Type',
     'public' => true,
     // Other arguments...
 );

 custom_register_post_type('your_custom_post_type', $args);

 }}}


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 Benefits
 Flexibility: Easily adjust the post type settings without altering core
 functions.
 Maintainability: Keeps your modifications organized and separate from the
 core code.
 Compatibility: Ensures your modifications adhere to PHP and WordPress
 coding standards, promoting better compatibility with future updates.
 By implementing this approach, you can achieve your desired customizations
 efficiently and maintain a clean, manageable codebase.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/31073#comment:4>
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