public function setDebug($debug)
	{
		$previous = $this->debug;
		$this->debug = (boolean) $debug;

		return $previous;
	}
public function setDebug($debug)
	{
		$previous = $this->debug;
		$this->debug = (boolean) $debug;

		return $previous;
	}
public function setDebug ( $ debug ) { $ previous = $ this -> debug ; $ this -> debug = ( boolean ) $ debug ; return $ previous ; }
Set the Debug property.

@param   boolean  $debug  The debug setting.

@return  boolean  Previous value.

@since   1.0
Set the Debug property .