Once again thanks for viewing this post i would like to mention that i am start facing a problem with my multistore magento website one of them is stop workung and i goes blank without error please help me
https://u2mobility.com/ when i checked my system log i was getting this notice and i fixed this to but still no change i got what problem it may be
Notice: Use of undefined constant php - assumed 'php' in /chroot/home/utwomobi/u2mobility.com/html/app/design/frontend/u2mobility/default/template/catalog/product/view.phtml
i fixed this notice
If its a blank page coming then you need to check your sites error log.
Also check var/reports folder for some reports.
Also check log files.
These will give you some pointers.
AT PHP level disable Notices and warnings.