How does the identity operator ===compare two values in PHP?
Write a program using while loop in php?
What are the differences between php3 and php4 and php5? What is the current stable version of php? What advance thing in php7?
Explain what does $_files means?
What is the array in php?
What kind of variable is age?
What does == mean in php?
What are PHP Magic Methods/Functions. List them.
Explain what is the static variable in function useful for?
What is php and its features?
What are super global variables in php?
Tell me what are sql injections, how do you prevent them and what are the best practices?
What is php.ini & .htacess file?
What is "echo" in php?
Is php used in 2019?