H.Thirukkumaran | H. Thirukkumaran's website

Linux command tip

whereis command will show the location of the command in the disk. Eg: whereis man will show you where the man command is stored on the disk.

use clone keyword to implement copy constructor for classes in PHP.

Make a class as final class or methods as final methods to prevent the child class from overriding it or inheriting the class.

Use trait feature when you want to share code across multiple classes.

You can use aggregate classes in PHP using magic methods __call and __callStatic..