Creating a Custom Post Type Using Code

To create a custom post type, you'll use the register_post_type() function in WordPress. Here's an example:

Step 1: Add the Code

1. Open your theme's functions.php file or create a custom plugin.
2. Add the following code

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function create_books_post_type() {     $labels = array(         'name'               => _x('Books', 'post type general name'),         'singular_name'      => _x('Book', 'post type singular name'),         'menu_name'          => __('Books'),         'name_admin_bar'     => __('Book'),         'add_new'            => __('Add New'),         'add_new_item'       => __('Add New Book'),         'edit_item'          => __('Edit Book'),         'new_item'           => __('New Book'),         'view_item'          => __('View Book'),         'all_items'          => __('All Books'),         'search_items'       => __('Search Books'),         'not_found'          => __('No Books found.'),         'not_found_in_trash' => __('No Books found in Trash.'),     );       $args = array(         'labels'             => $labels,         'public'             => true,         'publicly_queryable' => true,         'show_ui'            => true,         'show_in_menu'       => true,         'query_var'          => true,         'rewrite'            => array('slug' => 'books'),         'capability_type'    => 'post',         'has_archive'        => true,         'hierarchical'       => false,         'menu_position'      => null,         'supports'           => array('title', 'editor', 'thumbnail', 'excerpt', 'comments'),     );       register_post_type('book', $args); } add_action('init', 'create_books_post_type');

Step 2: Save and Test

1. Save the file and visit your WordPress admin panel.
2. You should see a new "Books" menu item.
3. Create a new book post and publish it.

Displaying Custom Post Types

Creating Custom Templates

To display custom post types on the front end, create these template files in your theme:

1. Single Template

• File: single-book.php
• Code Example:

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<?php get_header(); ?> <div>     <?php while (have_posts()) : the_post(); ?>         <h1><!--php the_title(); ?--></h1>         <div><!--php the_content(); ?--></div>     <?php endwhile; ?> </div> <?php get_footer(); ?>

2. Archive Template

• File: archive-book.php
• Code Example:

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<?php get_header(); ?> <div>     <h1>Books Archive</h1>     <?php if (have_posts()) : while (have_posts()) : the_post(); ?>         <h2><a href="<?php the_permalink(); ?>"><!--php the_title(); ?--></a></h2>     <?php endwhile; endif; ?> </div> <?php get_footer(); ?>

Troubleshooting Common Issues

1. Permalinks Not Working:

Go to Settings > Permalinks and click "Save Changes" to flush rewrite rules.

2. Custom Post Type Not Appearing:

Ensure public is set to true in the $args array