A class is used to specify the form of an object and it combines data representation and methods for manipulating that data into one neat package. The data and functions within a class are called members of the class.

Use classes to encapsulate code and represent objects, and namespaces to avoid symbol name collisions

A. A class can not extend more than one class.

B. A class can not implement more than one class.

C. A class cannot extend more than one interface.

D. A class can implement more than one interface.

Example

<?php
 class a{
 function function_a(){
 echo "Function A";
 }
 }

a::function_a();
 ?>