BBP_Shortcodes::display_search( array $attr, string $content = '' )

	public function display_search( $attr, $content = '' ) {

		// Sanity check required info
		if ( !empty( $content ) ) {
			return $content;
		}

		// Bail if search is disabled
		if ( ! bbp_allow_search() ) {
			return;
		}

		// Trim search attribute if it's set
		if ( isset( $attr['search'] ) ) {
			$attr['search'] = trim( $attr['search'] );
		}

		// Set passed attribute to $search_terms for clarity
		$search_terms = empty( $attr['search'] ) ? bbp_get_search_terms() : $attr['search'];

		// Unset globals
		$this->unset_globals();

		// Set terms for query
		set_query_var( bbp_get_search_rewrite_id(), $search_terms );

		// Start output buffer
		$this->start( bbp_get_search_rewrite_id() );

		// Output template
		bbp_get_template_part( 'content', 'search' );

		// Return contents of output buffer
		return $this->end();
	}