Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community!
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trial

Justin Vail
9,841 Pointserror-on-$results-variable
This is the error message I get in my browser when I attempt var_dump(results); "Notice: Undefined variable: results in C:\xampp\htdocs\shirts4mike\database.php on line 19 NULL"
1 Answer

Carlos Federico Puebla Larregle
21,073 PointsHave you defined the variable named "results" before using it as an argument in that "var_dump()"?