# Php help again

**URL:** <https://forum.kirupa.com/t/php-help-again/231328>\
**Category:** Uncategorized\
**Created:** [July 3, 2007, 7:51pm UTC](https://forum.kirupa.com/t/php-help-again/231328 "2007-07-03T19:51:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wo1olf](https://avatars.discourse-cdn.com/v4/letter/w/278dde/32.png) [@wo1olf](https://forum.kirupa.com/u/wo1olf)\
**Post date:** [July 3, 2007, 7:51pm UTC](https://forum.kirupa.com/t/php-help-again/231328/1 "2007-07-03T19:51:50Z")

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is there a way to check if a variable exist or (not undefined); i’m using isser but i still got an error about some undefined variables