Do this:
if(!function_exists('display_php_error_for_admin')) {
function display_php_error_for_admin()
{
$user_id = get_current_user_id();
$user_meta = get_userdata($user_id);
$roles = $user_meta->roles;
if(is_array($roles)){
if (in_array("administrator", $roles)) {
error_reporting(0);
@ini_set('display_errors', 0);
}
}elseif ($roles == "administrator"){
error_reporting(0);
@ini_set('display_errors', 0);
}
}
}
add_action('init','display_php_error_for_admin');