# Removing variables from URLVariables

**URL:** <https://forum.kirupa.com/t/removing-variables-from-urlvariables/253520>\
**Category:** flash\
**Created:** [March 2, 2008, 1:32pm UTC](https://forum.kirupa.com/t/removing-variables-from-urlvariables/253520 "2008-03-02T13:32:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Miguelele](https://avatars.discourse-cdn.com/v4/letter/m/6a8cbe/32.png) [@Miguelele](https://forum.kirupa.com/u/Miguelele)\
**Post date:** [March 2, 2008, 1:32pm UTC](https://forum.kirupa.com/t/removing-variables-from-urlvariables/253520/1 "2008-03-02T13:32:41Z")

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Hi, how can I remove a variable from a URLVariables object?

In my dynamic mysql query made in php I test the incoming variables using “isset”, and then I check if the value is “null” o is empty.

I would like to use just “isset” to check if the POST variable is relevant for the query.

Regards: Miguel