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