Process variables for user-profile.tpl.php.
array $variables: An associative array containing:
function template_preprocess_user_profile(&$variables) {
$account = $variables['elements']['#account'];
// Helpful $user_profile variable for templates.
foreach (element_children($variables['elements']) as $key) {
$variables['user_profile'][$key] = $variables['elements'][$key];
}
// Preprocess fields.
field_attach_preprocess('user', $account, $variables['elements'], $variables);
}