fixed T_OBJECT_OPERATOR issue in PHP 5.3
fixed T_OBJECT_OPERATOR issue in PHP 5.3

ihsanudin/Stringy,marktopper/Stringy,lucasmichot/Stringy,danielkesselberg/Stringy,taohaoge/Stringy,TCB13/Stringy,wallacesilva/Stringy,bocharsky-bw/Stringy,takobell/Stringy,ycms/Stringy,danielstjules/Stringy,Big-Shark/Stringy,sofyansitorus/Stringy,voku/Stringy