Which Function Is Used To Verify Whether A Variable Contains A #204
Which function is used to verify whether a variable contains a value?
This multiple choice question (MCQ) is related to the book/course
gs gs107 PHP: Hypertext Preprocessor.
It can also be found in
gs gs107 PHP File and Session Handling - PHP User Authentication - Quiz No.1.
Which function is used to verify whether a variable contains a value?
header()
footer()
inset()
isset()
