createpotypecategory.php

<!--Agar Post Type main catgory banani ho tu postype main regester_taxonomy banage  -->
/**
* Create a taxonomy
*
* @uses  Inserts new taxonomy object into the list
* @uses  Adds query vars
*
* @param string  Name of taxonomy object
* @param array|string  Name of the object type for the taxonomy object.
* @param array|string  Taxonomy arguments
* @return null|WP_Error WP_Error if errors, otherwise null.
*/
function productstaxonomies() {

$labels = array(
'name'          => _x( 'Product category', 'Taxonomy Product category', 'text-domain' ),
'singular_name'      => _x( 'Product Category', 'Taxonomy Product Category', 'text-domain' ),
'search_items'      => __( 'Search Product category', 'text-domain' ),
'popular_items'      => __( 'Popular Product category', 'text-domain' ),
'all_items'        => __( 'All Product category', 'text-domain' ),
'parent_item'      => __( 'Parent Product Category', 'text-domain' ),
'parent_item_colon'    => __( 'Parent Product Category', 'text-domain' ),
'edit_item'        => __( 'Edit Product Category', 'text-domain' ),
'update_item'      => __( 'Update Product Category', 'text-domain' ),
'add_new_item'      => __( 'Add New Product Category', 'text-domain' ),
'new_item_name'      => __( 'New Product Categ Name', 'text-domain' ),
'add_or_remove_items'  => __( 'Add or remove Product category', 'text-domain' ),
'choose_from_most_used'  => __( 'Choose from most used text-domain', 'text-domain' ),
'menu_name'        => __( 'Product Category', 'text-domain' ),
);

$args = array(
'labels'            => $labels,
'public'            => true,
'show_in_nav_menus' => true,
'show_admin_column' => false,
'hierarchical'      => true,
'show_tagcloud'     => true,
'show_ui'           => true,
'query_var'         => true,
'rewrite'           => true,
'query_var'         => true,
'capabilities'      => array(),
);

register_taxonomy( 'product_category', array( 'products' ), $args );----> yaha postype dege jis k liye category banai hain
}

add_action( 'init', 'productstaxonomies' );