backdoor in php file

[noahukr]

hi guys
im not so expert in php, i have a php script and im wondering how to check if is not containing backdoors, how to check please
many thanks in advance

[PHP_Chimp]

What sort of things does your script contain?
Are you using sessions, user supplied information, etc?

There are a lot of good articles on the web about helping to secure scripts, however you need to know what you are trying to secure before you can search.