How can I implement secure file upload in PHP?
An example of an AI chatbot conversation about secure file uploads in PHP.
How can I implement secure file upload in PHP?
To implement secure file upload in PHP, you should validate the file type, size, and use a secure directory for uploads.
What file types should I allow for upload?
You should only allow specific file types like images (JPEG, PNG) and documents (PDF) to minimize risks.
How can I prevent file upload vulnerabilities?
Use functions like mime_content_type() to check the file type and ensure proper permissions on the upload directory.
Is there a way to limit the file size?
Yes, you can set the max_file_size in your HTML form and also check the file size in your PHP script.
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