RE: [PHP] Help with a home-grown function

From: Dan Trainor [mailto:info@hostinthebox.net] > Hello, all - > > I've been looking around for a function that would tell me if a $value > in a $key=>$value array was empty, and I could not find one. So I > decided to make my own. Even if I am re-inventing the wheel, > I thought that the practice might be good for me. > > However, my function doesn't *quite* work, and I'm having a difficult > time finding out why. The code is as follows: > > function findMissingVals($workingArray) { > $newcount = count($workingArray); > for ($i = 0; $i <= $newcount; $i++) { > if (empty($workingArray['$i'])) { > return 1; > } > } > } > > So it takes in $workingArray as an array, runs a loop, checks $i, yada > yada. The thing is, that sometimes the function does not > return 1, even when it should. > > I was hoping some experienced eyes could take a gander at > this and give me some pointers. PHP doesn't eval code in single-quotes, so what you want to do is simply: if (empty($workingArray[$i])) { return 1; } With the single-quotes, it's looking for the string $i as a key. HTH! -- Mike Johnson Smarter Living, Inc. Web Developer www.smartertravel.com mike@smarterliving.com (617) 886-5539