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need help with file uploader

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  • January 20, 2026 at 1:23 AM #49633
    aryanrajaryanraj
    Participant

    Hi, WordPress uses wp_handle_upload_prefilter that can be used to alter, rename the file. https://developer.wordpress.org/reference/hooks/wp_handle_upload_prefilter/

    is there any filter offered by metabox for their any of the file upload field type? I want to create a auto rename function to include prefix/suffix for files uploaded through that custom field "file uploader".

    January 20, 2026 at 10:47 PM #49638
    PeterPeter
    Moderator

    Hello,

    Meta Box also uses the WordPress function media_handle_upload() to upload the file to the media library. So you can use the same filter hook to modify the file name. Read more about the hook in the WP documentation
    https://developer.wordpress.org/reference/functions/_wp_handle_upload/

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