function toString(){
		if(isset($this->_String)){ return parent::toString(); }
		return Files::GetFileContent($this->_Filename);
	}
function toString(){
		if(isset($this->_String)){ return parent::toString(); }
		return Files::GetFileContent($this->_Filename);
	}
function toString ( ) { if ( isset ( $ this -> _String ) ) { return parent :: toString ( ) ; } return Files :: GetFileContent ( $ this -> _Filename ) ; }
Outputs content of buffer as string.

@return string
Outputs content of buffer as string .