what is session_set_save_handler in PHP?
What is the difference between nowdoc and heredoc?
What is substr() in php? And how it is used?
What are the encryption functions in php?
What does $_ post mean in php?
How to convert strings in hex format?
How does php isset work?
What is meant by urlencode and urldecode?
What are the data types in php?
Is wordpress a php framework?
Explain what is the main difference between require() and require_once()?
Which is a perfect example of runtime polymorphism?
What is the function of trim?
What is the correct and the most two common way to start and finish a php block of code?
Why php is used with mysql?