PrepAway - Latest Free Exam Questions & Answers

What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

PrepAway - Latest Free Exam Questions & Answers

A.
isset() is a function call and is_*() are not function calls

B.
is_*() are language constructs and isset() is not a language construct

C.
c) isset() is a language construct and is_*() are not language constructs

D.
d) is_*() return a value whereas isset() does not

One Comment on “What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?


Leave a Reply

Your email address will not be published. Required fields are marked *