What is the use of final class in php?
What is c++ polymorphism?
When is a conditional statement ended with endif?
What is the use session in php?
What does namespace mean in php?
What is the definition of a session?
What types of loops exist in php?
What is null value in php?
Which cryptographic extension provide generation and verification of digital signatures?
What is php session id?
how long a default session stay in php?
what are in image creating functions in php
Questions on OOP concepts 1. What are the access specifiers available in php ? Explain 2. What is object cloning ? 3. What are the differences between interface and abstract class ? 4. What is overloading ? 5. What is overriding ? 6. How to prevent function overriding ? 7. What is the use of "final" keyword ? 8. What is static variable ? How will access a static variable ? What is static class ?