function foo($bar,$barbar,$option="") {}
Is there a proper term for $bar etc., and/or name for optional variables?
function foo($bar,$barbar,$option=) {} Is there a proper term for $bar etc., and/or name for
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function foo($bar,$barbar,$option="") {}
Is there a proper term for $bar etc., and/or name for optional variables?
In that example,
$baris a parameter. Given your example, in a call offoo(1, 2, 3);the value1would be an argument. See this question for the distinction. (tl;dr version: parameters are the slots/variables that hold the arguments.)$optionis an optional parameter.