Is key in array php?
how to track user logged out or not? when a user is idle?
What is difference between sql and php?
How the values are ordered in an array?
What are arguments in php?
How to get the directory name out of a file path name?
What is the difference between == and === in php?
What is urlencode and urldecode in php?
How are php sessions stored?
Tell us how can we access the data sent through the url with the post method?
What is the difference between fopen() and fclose()?
What is input sanitization in php?
What do you mean by core php?
Explain the difference between require() and require_once()?
Explain Type juggling?