Changed some str[] to substr to make func_overload break less
Changed some str[] to substr to make func_overload break less

cwisefool/PHPTAL,phptal/PHPTAL,tchalvak/PHPTAL,potherca/PHPTAL,shivashanti/PHPTAL,shivashanti/PHPTAL,pornel/PHPTAL,niterain/PHPTAL,tchalvak/PHPTAL,potherca/PHPTAL,phptal/PHPTAL,niterain/PHPTAL,Ocramius/PHPTAL,usox/PHPTAL,Drarok/PHPTAL,ajcrites/PHPTAL,cwisefool/PHPTAL,usox/PHPTAL,hu2008yinxiang/PHPTAL,usox/PHPTAL,sasezaki/PHPTAL,namesco/PHPTAL,shivashanti/PHPTAL,pornel/PHPTAL,ajcrites/PHPTAL,dicexq/PHPTAL,phptal/PHPTAL,Ocramius/PHPTAL,cwisefool/PHPTAL,hu2008yinxiang/PHPTAL,sasezaki/PHPTAL,dicexq/PHPTAL,Drarok/PHPTAL,fier/PHPTAL,pornel/PHPTAL,fier/PHPTAL,namesco/PHPTAL,hu2008yinxiang/PHPTAL