CCNA, CCNP, MCSA, CCNA Final Exam, All Answer Test Module With 100/100

i have a svn server that i checkout the repository in my computer the main repositiry is about 2k files 3rd party generic code classes custom classes i have made changes to lots of files (mainly php) and i want to make sure they are all valid before i commit svn commit -m "i fix the bug #293" how can i check all the files at once to make sure they are valid and no php errors so i dont have to manually check all these files thanks