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PHP CRUD Operations with PHP Creating Records Accepting User Data

Henry Lin
Henry Lin
11,636 Points
Posted by Henry Lin
Henry Lin
11,636 Points

Why do we need filter category if it's just a selection list?

$category = trim(filter_input(INPUT_POST,'category',FILTER_SANITIZE_STRING));

why do we need filter this if we don't need users to type anything ?

1 Answer

Robert Anthony
Robert Anthony
19,952 Points

It is possible to fake a post request to a website. This means that anyone can put something into your post handler, even if it is not in the drop-down box. You filter it to improve security and prevent any issues.