C-16-Q029mediumsingle_mcq
$variable is NOT a valid variable name; the corrected form is:
$variable is NOT a valid variable name; the corrected form is:
- a
$_variable - b
_variable - c
variable$ - d
var$iable
ব্যাখ্যা
The $ symbol is not a legal character in a variable name, so it must be removed or replaced. Beginning the name with an underscore, as in _variable, gives a valid identifier.