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Right...my big question is on the: function myFunction($y = $x) part...

...because the global hasn't been declared within the function yet...and is operating as the default value of information passed into the variable...


...additional...slightly related question...let's say I have:

function myFunction($y = $x, $b = "string", $n = 1)

...and I want to call the function with somethin' like a myFunction("string")...where it will only change the default value of $b...leaving $y and $n alone...

...basically...is there a way to explicitly address to which value a function call sends its arguments?
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