_field_description ),
			'parent_field_description'   => array( null, $parent_field_description ),
			'desc_field_description'     => array( $desc_field_description, $desc_field_description ),
			'edit_item'                  => array( __( 'Edit Tag' ), __( 'Edit Category' ) ),
			'view_item'                  => array( __( 'View Tag' ), __( 'View Category' ) ),
			'update_item'                => array( __( 'Update Tag' ), __( 'Update Category' ) ),
			'add_new_item'               => array( __( 'Add New Tag' ), __( 'Add New Category' ) ),
			'new_item_name'              => array( __( 'New Tag Name' ), __( 'New Category Name' ) ),
			'separate_items_with_commas' => array( __( 'Separate tags with commas' ), null ),
			'add_or_remove_items'        => array( __( 'Add or remove tags' ), null ),
			'choose_from_most_used'      => array( __( 'Choose from the most used tags' ), null ),
			'not_found'                  => array( __( 'No tags found.' ), __( 'No categories found.' ) ),
			'no_terms'                   => array( __( 'No tags' ), __( 'No categories' ) ),
			'filter_by_item'             => array( null, __( 'Filter by category' ) ),
			'items_list_navigation'      => array( __( 'Tags list navigation' ), __( 'Categories list navigation' ) ),
			'items_list'                 => array( __( 'Tags list' ), __( 'Categories list' ) ),
			/* translators: Tab heading when selecting from the most used terms. */
			'most_used'                  => array( _x( 'Most Used', 'tags' ), _x( 'Most Used', 'categories' ) ),
			'back_to_items'              => array( __( '← Go to Tags' ), __( '← Go to Categories' ) ),
			'item_link'                  => array(
				_x( 'Tag Link', 'navigation link block title' ),
				_x( 'Category Link', 'navigation link block title' ),
			),
			'item_link_description'      => array(
				_x( 'A link to a tag.', 'navigation link block description' ),
				_x( 'A link to a category.', 'navigation link block description' ),
			),
		);

		return self::$default_labels;
	}

	/**
	 * Resets the cache for the default labels.
	 *
	 * @since 6.0.0
	 */
	public static function reset_default_labels() {
		self::$default_labels = array();
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WP_Taxonomy' not found in /home/islamicf/public_html/wp-includes/taxonomy.php:28
Stack trace:
#0 /home/islamicf/public_html/wp-settings.php(499): create_initial_taxonomies()
#1 /home/islamicf/public_html/wp-config.php(99): require_once('/home/islamicf/...')
#2 /home/islamicf/public_html/wp-load.php(50): require_once('/home/islamicf/...')
#3 /home/islamicf/public_html/wp-blog-header.php(13): require_once('/home/islamicf/...')
#4 /home/islamicf/public_html/index.php(17): require('/home/islamicf/...')
#5 {main}
  thrown in <b>/home/islamicf/public_html/wp-includes/taxonomy.php</b> on line <b>28</b><br />