Your specific example doesn't reference $vrx outside the scope of the while loop, so there's no need to declare it globally - hence there's nothing to avoid ... esp. if the variable is declared inside the loop.

That being said, I'm a big fan of 'horses for courses' so, if a global is needed, then by all means use one and as recommended in PBP, ensure the name is capitalized.

Problems arise thro' the over extensive/unthinking use of globals.

A user level that continues to overstate my experience :-))

In reply to Re: Avoiding Global Vars by Bloodnok
in thread Avoiding Global Vars by Melly

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