bbp_forum_topic_reply_ajax_form_search_tags()

function bbp_forum_topic_reply_ajax_form_search_tags() {

	$response = array(
		'feedback' => sprintf(
			'<div class="bp-feedback error bp-ajax-message"><span class="bp-icon" aria-hidden="true"></span><p>%s</p></div>',
			esc_html__( 'There was a problem performing this action. Please try again.', 'buddyboss' )
		),
	);

	// Bail if not a POST action..
	if ( ! bp_is_get_request() ) {
		wp_send_json_error( $response );
	}

	if ( empty( $_GET['_wpnonce'] ) ) {
		wp_send_json_error( $response );
	}

	// Use default nonce.
	$nonce = $_GET['_wpnonce'];
	$check = 'search_tag';

	// Nonce check!.
	if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, $check ) ) {
		wp_send_json_error( $response );
	}

	if ( empty( $_GET['term'] ) ) {
		wp_send_json_error( $response );
	}

	// WP_Term_Query arguments.
	$args = array(
		'taxonomy'   => array( 'topic-tag' ),
		'search'     => $_GET['term'],
		'hide_empty' => false,
	);

	// The Term Query.
	$term_query = new WP_Term_Query( $args );

	$tags = array();

	// The Loop.
	if ( ! empty( $term_query ) && ! is_wp_error( $term_query ) ) {
		$tags = $term_query->terms;
	}

	if ( empty( $tags ) ) {
		$tags = array();
	}

	wp_send_json_success(
		array(
			'results' => array_map(
				function( $result ) {
					return array(
						'id'   => $result->slug,
						'text' => $result->name,
					);
				},
				$tags
			),
		)
	);
}