Using Gravity Forms ‘gform_file_upload_whitelisting_disabled’ PHP filter

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The gform_file_upload_whitelisting_disabled Gravity Forms PHP filter allows you to disable file upload whitelisting. This filter applies to all forms.

Usage

Use the filter to disable file upload whitelisting for all forms:

add_filter('gform_file_upload_whitelisting_disabled', '__return_true');

Parameters

  • $disabled (bool): Set to true to disable whitelisting. Defaults to false.

More information

See Gravity Forms Docs: gform_file_upload_whitelisting_disabled

This code should be placed in the functions.php file of your active theme.

Examples

Disabling file upload whitelisting for all forms

Disable file upload whitelisting for all forms to allow any file type to be uploaded:

add_filter('gform_file_upload_whitelisting_disabled', '__return_true');

Enabling file upload whitelisting for all forms

Enable file upload whitelisting for all forms so only specific file types can be uploaded:

add_filter('gform_file_upload_whitelisting_disabled', '__return_false');

Conditionally disable file upload whitelisting

Disable file upload whitelisting for specific forms based on form ID:

function disable_whitelisting_for_specific_form($disabled, $form_id) {
    // Disable whitelisting for form ID 5
    if ($form_id == 5) {
        return true;
    }
    return $disabled;
}
add_filter('gform_file_upload_whitelisting_disabled', 'disable_whitelisting_for_specific_form', 10, 2);

Enable whitelisting for specific file types

Allow only specific file types for all forms:

function enable_specific_file_types($mimes) {
    // Allow only PDF and JPEG files
    return array(
        'pdf' => 'application/pdf',
        'jpg|jpeg' => 'image/jpeg',
    );
}
add_filter('gform_allowed_upload_mimes', 'enable_specific_file_types');

Disable file upload whitelisting based on user role

Disable file upload whitelisting for users with the ‘editor’ role:

function disable_whitelisting_for_editors($disabled) {
    if (current_user_can('editor')) {
        return true;
    }
    return $disabled;
}
add_filter('gform_file_upload_whitelisting_disabled', 'disable_whitelisting_for_editors');