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For a specific development, I had to add a upload form to change the profile photo inside the admin user page.

functions.php

function add_link_avatar( $description, $profileuser ){
    $description .= '<form action="#">';
    $description .= '<input type="file" name="fileupload" value="fileupload" id="fileupload" accept="image/gif, image/jpeg, image/png">';
    $description .= '<input type="submit" value="submit" class="button">';
    $description .= '</form>';
    echo $description;
}
add_filter( 'user_profile_picture_description' , 'add_link_avatar' , 1 , 2 );

How can I get the $_POST in functions.php ?

What value it needs for the action attribute ?

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  • The action is used to determine where the form will be submitted. You can use $_FILES['fileupload'] in your functions.php to get the files. Also you should add enctype="multipart/form-data" to your form.
    – Johansson
    Apr 23, 2018 at 17:01
  • Thank you ! To get $_FILES, how can bind the form with a specific function inside functions.php ?
    – J.BizMai
    Apr 23, 2018 at 17:07
  • You're welcome. This will be saved when the user saves their profiles, so you can bind your function to the edit_user_profile_update action hook. Here is an example.
    – Johansson
    Apr 23, 2018 at 17:11
  • 1
    Possible duplicate of How To Add Custom Form Fields To The User Profile Page? Apr 24, 2018 at 9:52

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