_system_schemes ) { $this->_system_schemes = $this->_init_system_schemes(); } return $this->_system_schemes; } /** * Print scheme template. * * Used to generate the scheme template on the editor using Underscore JS * template. * * @since 2.8.0 * @access public */ final public function print_template() { ?> get_scheme_titles(); foreach ( $this->get_scheme_value() as $scheme_key => $scheme_value ) { $scheme[ $scheme_key ] = [ 'title' => isset( $titles[ $scheme_key ] ) ? $titles[ $scheme_key ] : '', 'value' => $scheme_value, ]; } return $scheme; } }