On 06/17/2007 12:36 AM, Mathew Snyder wrote:
[...] In the debugger I've set the 'w' command to watch the variable containing the day being looked for ($day). I would have thought $day stays the same throught an iteration of the while loop but the debugger keeps stopping to tell me it switched from '2007-06-15' (for instance) to ''. I then continue and it tells me it switched back from '' to '2007-06-15'. Is it supposed to do that? Shouldn't the $day variable remain constant? [...]
The variable $day on line 50 is restricted to the scope of the for loop. I suspect that $day becomes empty or undefined when execution goes into a subroutine who's scope is outside of the for loop.
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