Which function is used to verify whether a variable contains a value?

header()
footer()
inset()
isset()

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

The isset() function determines whether a variable has been assigned a value. Its prototype follows: boolean isset(mixed var [,mixed var [,…]]).

4 views Answered 2022-09-01 13:21

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