Michael wrote:
> I'm trying to use stripos as a faster and less resource-intensive
> alternative to preg_match with the i flag, but I'm getting some strange
> behavior.
>
> Here's a test script that demonstrates the problem:
> ---
> <?php
> $days = array("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun");
> foreach ($days as $d) {
> echo "Checking day: $d";
> if (stripos($d, 'T') === 0) {
> echo "Day is Tuesday or Thursday";
> } else {
> echo "Day is MWFSS";
> }
> }
> ?>
> ---
> When I run this as-is, it prints "Checking day: Mon" and stops. When I
> change stripos to strpos, it runs all the way through doing what it's
> supposed to. It's as if stripos calls 'die' somehow and strpos doesn't.
>
> AFAIK, stripos should behave exactly like strpos except
> case-insensitively. So in the function above, it should make absolutely
> no difference which one I use.
stripos only exists in PHP 5.
You are probably running PHP 4.
You also are hiding/re-directing your error messages somewhere, and have
not gotten into the habit (yet) of reading the error log.
You'll need to read php.ini to be certain, and I can't REALLY be sure
where your error_log is on your server, but if you are completely confused
by what I've typed, try this:
tail -f /usr/local/apache/logs/error_log
Dollars to donuts says you'll find something about stripos not being
defined, once you find the error output.
For penance, you will practice starting your work-day with:
"tail -f /path/to/your/log"
several times right now, and be sure you start your work-day that way for
the rest of the week
:-)
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