Custom Post Type Generator

A user-friendly WordPress plugin that provides a GUI for registering custom post types with form fields for name, slug, supports, and menu icon. Generates and registers CPTs on the fly with exportable PHP snippets.

Single File v1.0.0 Updated 1 month ago

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YT Custom Post Type Generator UI

Features

Visual Interface: Create custom post types without writing code
Complete Configuration: All register_post_type() arguments available
Live Registration: CPTs registered immediately via wp_options
Exportable Code: Generate PHP snippets for functions.php
Supports Management: Choose which features CPTs support
Menu Icon Picker: Dashicons or custom image URLs
Edit & Delete: Full CRUD operations for CPTs
Auto Slug Generation: Automatic URL-friendly slug creation
Validation: Form validation and error handling
AJAX Operations: No page reloads needed

Installation

Copy yt-custom-post-type-generator-ui folder to /wp-content/plugins/
Activate through WordPress 'Plugins' menu
Access via 'CPT Generator' in admin menu

Usage

Creating a Post Type

Go to CPT Generator in admin menu
Click "+ New Post Type"
Fill in required fields:
- Plural Name: E.g., "Books", "Movies"
- Singular Name: E.g., "Book", "Movie"
- Slug: URL-friendly identifier (auto-generated)
Select Supports features (title, editor, thumbnail, etc.)
Configure Visibility & Behavior options
Adjust Advanced Settings if needed
Click "Save Post Type"

Editing a Post Type

Click post type from sidebar list
Modify any fields
Click "Save Post Type"

Deleting a Post Type

Click "Delete" button next to post type
Confirm deletion

Exporting PHP Code

Select post type from list
Click "Export PHP Code"
Copy generated code
Paste into functions.php (if moving away from plugin)

Form Fields

Basic Information

Plural Name: Display name (plural)
Singular Name: Display name (singular)
Slug: URL-friendly identifier (max 20 chars)
Menu Icon: Dashicon class or image URL
Menu Position: Admin menu position (5-100)

Supports

Select which features the post type supports:

Title
Editor
Author
Featured Image
Excerpt
Comments
Trackbacks
Custom Fields
Revisions
Page Attributes
Post Formats

Visibility & Behavior

Public: Publicly visible
Publicly Queryable: Can be queried on frontend
Show UI: Show admin UI
Show in Menu: Appear in admin menu
Show in Nav Menus: Available for navigation
Show in REST API: Gutenberg support
Has Archive: Enable archive pages
Hierarchical: Page-like (parent/child)
Query Var: Enable query variable
Can Export: Allow export

Advanced Settings

Capability Type: Permission type (post/page)
Rewrite Slug: Custom URL slug
Rewrite With Front: Prepend permalink structure

Exported PHP Code

Example generated code:

<?php
/**
 * Register Custom Post Type: Books
 * Generated by YT Custom Post Type Generator UI
 */
function register_cpt_book() {
    $labels = array(
        'name'                  => __('Books', 'textdomain'),
        'singular_name'         => __('Book', 'textdomain'),
        'menu_name'             => __('Books', 'textdomain'),
        'name_admin_bar'        => __('Book', 'textdomain'),
    );

    $args = array(
        'labels'              => $labels,
        'public'              => true,
        'publicly_queryable'  => true,
        'show_ui'             => true,
        'show_in_menu'        => true,
        'show_in_rest'        => true,
        'menu_position'       => 20,
        'menu_icon'           => 'dashicons-book',
        'capability_type'     => 'post',
        'hierarchical'        => false,
        'supports'            => array('title', 'editor', 'thumbnail'),
        'has_archive'         => true,
        'rewrite'             => array('slug' => 'book'),
    );

    register_post_type('book', $args);
}
add_action('init', 'register_cpt_book');

File Structure

yt-custom-post-type-generator-ui/
├── class-yt-custom-post-type-generator-ui.php  (~726 lines)
├── assets/
│   ├── css/
│   │   └── yt-cpt-generator-ui-admin.css  (~447 lines)
│   └── js/
│       └── yt-cpt-generator-ui-admin.js   (~276 lines)
└── README.md

Technical Details

Storage

Post types stored in wp_options table:

Option name: yt_cpt_generator_post_types
Format: Array of post type configurations

Registration

Hooked to init action
Runs on every page load
Flushes rewrite rules on save/delete

AJAX Endpoints

yt_cptg_save_post_type - Save/update post type
yt_cptg_delete_post_type - Delete post type
yt_cptg_export_code - Generate PHP code

WordPress Compatibility

WordPress: 5.8+
PHP: 7.4+
Tested: Up to WordPress 6.4
Gutenberg: Full support via show_in_rest

Security

Nonce verification on all AJAX requests
Capability checks (manage_options)
Input sanitization
Output escaping
SQL injection protection

Code Statistics

Main PHP: 726 lines
CSS: 447 lines
JavaScript: 276 lines
Total: ~1,449 lines
Meets target: ~500 line complexity

Best Practices

Max 20 characters for slug
Use lowercase slugs only
Enable show_in_rest for Gutenberg
Choose appropriate capability_type
Test rewrite rules after creating CPT

Troubleshooting

Post type not appearing:

Check slug is valid (lowercase, no spaces)
Verify "Show UI" is enabled
Clear permalinks (Settings > Permalinks > Save)

Export button disabled:

Save post type first
Select post type from list

Changes not taking effect:

Save post type
Visit Settings > Permalinks
Click "Save Changes"

FAQ

Q: Can I create unlimited post types? A: Yes, no limit.

Q: Will post types work if I deactivate plugin? A: No, but you can export PHP code first.

Q: Can I import post types? A: Not directly, but you can manually add to the form.

Q: Do I need to flush rewrite rules? A: Plugin does this automatically.

Q: Can I edit labels individually? A: Labels are auto-generated from names. Export code to customize.

Changelog

1.0.0 (2025-10-20)

Initial release
Visual CPT creation interface
Complete field support
PHP code export
AJAX operations
Edit/delete functionality

License

GPL v2 or later

Credits

Author: Krasen Slavov Website: https://krasenslavov.com GitHub: https://github.com/krasenslavov/yt-custom-post-type-generator-ui