wp_delete_category() │ WP 2.0.0

Deletes one existing category.

No Hooks.

Returns

true|false|Int|WP_Error. Returns true if completes delete action; false if term doesn't exist; Zero on attempted deletion of default Category; WP_Error object is also a possibility.

Usage

wp_delete_category( $cat_id );
$cat_id(int) (required)
Category term ID.

Changelog

Since 2.0.0 Introduced.

wp_delete_category() code WP 6.8.1

wp-includes/taxonomy.php 
function wp_delete_category( $cat_id ) {
	return wp_delete_term( $cat_id, 'category' );
}