You may have often wondered why times on some webpages seem to be incorrect. The most common ones I come across are on forums where the local time and server time are different and the user (usually me!) has not set their preferences correctly.
Probably one of the most useful time/date related functions in PHP is strtotime(). In this lesson I will show you some of the basic uses for this incredibly useful function.
Probably one of the most common features required by website owners is the ability to log in. Implementing a simple login system is not all that challenging. However, the security involved can be quite complex.