[Solved] Stored procedure, no values returned? [closed]

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I don’t know why, but with print_r I do get the results!

print_r($row);

Displays: Array ( [open_uitdagingen] => 3 )

So i did get the result, but why var_dump($res->fetch_assoc()); gives an empty result? I still don’t know, but i can go on now an that counts:)

solved Stored procedure, no values returned? [closed]