Registration date column for users

<?php

add_filter(
	'manage_users_columns',
	static function ( $columns ) {
		$columns['snipfire_registered'] = __( 'Registered' );
		return $columns;
	}
);
add_filter(
	'manage_users_sortable_columns',
	static function ( $columns ) {
		$columns['snipfire_registered'] = 'registered';
		return $columns;
	}
);
add_filter(
	'manage_users_custom_column',
	static function ( $output, $column, $user_id ) {
		if ( 'snipfire_registered' !== $column ) {
			return $output;
		}
		$user = get_userdata( $user_id );
		return $user ? esc_html( wp_date( get_option( 'date_format' ), strtotime( $user->user_registered . ' UTC' ) ) ) : '';
	},
	10,
	3
);