protected function _serializeRootAttributes()
	{
		$rootAttributes = $this->_getRootAttributes();
		$qualifyAttributes = function ($name) use ($rootAttributes) {
			return sprintf('%s="%s"', $name, $rootAttributes[$name]);
		};
		$qualifiedAttributes = array_map($qualifyAttributes, array_keys($rootAttributes));
		return implode(' ', $qualifiedAttributes);
	}
protected function _serializeRootAttributes()
	{
		$rootAttributes = $this->_getRootAttributes();
		$qualifyAttributes = function ($name) use ($rootAttributes) {
			return sprintf('%s="%s"', $name, $rootAttributes[$name]);
		};
		$qualifiedAttributes = array_map($qualifyAttributes, array_keys($rootAttributes));
		return implode(' ', $qualifiedAttributes);
	}
protected function _serializeRootAttributes ( ) { $ rootAttributes = $ this -> _getRootAttributes ( ) ; $ qualifyAttributes = function ( $ name ) use ( $ rootAttributes ) { return sprintf ( '%s="%s"' , $ name , $ rootAttributes [ $ name ] ) ; } ; $ qualifiedAttributes = array_map ( $ qualifyAttributes , array_keys ( $ rootAttributes ) ) ; return implode ( ' ' , $ qualifiedAttributes ) ; }
Serialize Root Attributes

@return string
Serialize Root Attributes