How to Log Errors to a Text File with PHP

How to log errors to a text file with PHP.

[Viperdwarrior]

Thanks so much for an easy solution. Can you please tell us how to log errors using code in a log file but not to display the errors on the browser. Only log them to the log file???

[jammychrissy]

Hey this is a real easy and simple tutorial thank you :)
Although do you know how to log 404/403 errors to the log.txt file?