public function toYaml()
{
self::$yamlExtension = extension_loaded('yaml');
if (self::$yamlExtension) {
return yaml_emit($this->_data, YAML_UTF8_ENCODING);
}
return file_put_contents($yamlFile, "---\n" . Yaml::dump($this->_data, $inline = true, $exceptionOnInvalidType = true));
}