# PHP and Select lists

**URL:** <https://forum.kirupa.com/t/php-and-select-lists/143904>\
**Category:** Uncategorized\
**Created:** [April 9, 2005, 10:02pm UTC](https://forum.kirupa.com/t/php-and-select-lists/143904 "2005-04-09T22:02:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![RealTK](https://avatars.discourse-cdn.com/v4/letter/r/9dc877/32.png) [@RealTK](https://forum.kirupa.com/u/RealTK)\
**Post date:** [April 9, 2005, 10:02pm UTC](https://forum.kirupa.com/t/php-and-select-lists/143904/1 "2005-04-09T22:02:21Z")

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I really need to know how to use onChange (or something else) on a select list so that I can update another select list depending on what the user selects from the first. I’ve tried everything I know and I’m out of ideas.  
Please, can someone tell me how this is done?