The problem recurs if I want to fill in the form a second time. I already solved the problem by deleting the connection code line though I have no idea why it then starts to work: The problem is that the form stops at the dropdown menu, which doesn't even show any options, just a 1 pixel sized option, which when I click on it, does not include any options. The coded is included a form (don't want to paste the whole form code here, it is quite long). Query("SELECT subject_id, subject FROM subjects") I am currently trying to create a dropdown menu, which is connected to the database.
After reading so many warnings about the old mysql being deprecated I now switched to PDO.
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