Display and Update User Custom Meta via user-edit.php

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Two ways I can think of:

  1. you could use a MySQL statement to get all usermeta matching an ID in the wp_usermeta table. That would get the custom meta as well, but it would also get other user settings that I don’t think you want.

  2. The other way is to define an array with all your custom data and loop through the array with a FOR loop.

For example:

$custom_meta = array("middle_name", "hair_color", "ear_size");
$userID = 1;

for($i=0;$i<= count($custom_meta), $i++){

  echo get_the_author_meta($custom_meta[$i], $userID);

}

I might be wrong, but I don’t think there’s a relationship in the WP db that defines whether a metadata is custom or not. So that’s why you need to build the array beforehand.