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Home/ Questions/Q 6532029
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T09:57:00+00:00 2026-05-25T09:57:00+00:00

Can I trust the file type from $_FILES when uploading images? Or do I

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Can I trust the file type from $_FILES when uploading images? Or do I have to check again with exif_imagetype() ?

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  1. Editorial Team
    Editorial Team
    2026-05-25T09:57:00+00:00Added an answer on May 25, 2026 at 9:57 am

    From the documentation:

    The mime type of the file, if the browser provided this information. An example would be “image/gif”. This mime type is however not checked on the PHP side and therefore don’t take its value for granted.

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