How do I debug php?
For printing out strings, there are echo, print and printf. Explain the differences.
What is a trait in php?
What are helpers in php?
What is the difference between $message and $$message in php?
What is framework? How it works? What is advantage?
What is the current php version?
How big is varchar max?
What is the timeout period on session values?
How do you end php?
What is the difference between echo, print and printf()?
Are sessions stateless?
Explain me what is the meaning of a persistent cookie?