What are some common mistakes when handling $_POST data in PHP?
Common mistakes when handling $_POST
data include:
- Not checking request method: Ensure the form is submitted via
post
method. Check this with$_SERVER["REQUEST_METHOD"] === "POST"
. - Forgetting to sanitize inputs: Always sanitize user inputs to prevent security issues. Functions like
filter_var
andhtmlspecialchars
are useful. - Not handling empty fields: Check for empty or missing fields using
isset()
orempty()
functions to avoid errors. - Incorrect form encoding: For file uploads, ensure
enctype="multipart/form-data"
is set in the form tag.
03 Aug 2024 | 8
asked by ~ Megha
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