function bbp_admin_setting_callback_thread_replies_depth() {

	// Set maximum depth for dropdown
	$max_depth     = (int) apply_filters( 'bbp_thread_replies_depth_max', 10 );
	$current_depth = bbp_thread_replies_depth();

	// Start an output buffer for the select dropdown
	ob_start(); ?>

	</label>
	<label for="_bbp_thread_replies_depth">
		<select name="_bbp_thread_replies_depth" id="_bbp_thread_replies_depth" <?php bbp_maybe_admin_setting_disabled( '_bbp_thread_replies_depth' ); ?>>
		<?php for ( $i = 2; $i <= $max_depth; $i++ ) : ?>

			<option value="<?php echo esc_attr( $i ); ?>" <?php selected( $i, $current_depth ); ?>><?php echo esc_html( $i ); ?></option>

		<?php endfor; ?>
		</select>

	<?php $select = ob_get_clean(); ?>

	<label for="_bbp_allow_threaded_replies">
		<input name="_bbp_allow_threaded_replies" id="_bbp_allow_threaded_replies" type="checkbox" value="1" <?php checked( '1', bbp_allow_threaded_replies( false ) ); bbp_maybe_admin_setting_disabled( '_bbp_allow_threaded_replies' ); ?> />
		<?php printf( esc_html__( 'Enable threaded (nested) replies %s levels deep', 'bbpress' ), $select ); ?>
	</label>

<?php
}