Helper callback for uasort() to sort configuration entities by weight and label.
public static function sort($a, $b) {
$a_weight = isset($a->weight) ? $a->weight : 0;
$b_weight = isset($b->weight) ? $b->weight : 0;
if ($a_weight == $b_weight) {
$a_label = $a
->label();
$b_label = $b
->label();
return strnatcasecmp($a_label, $b_label);
}
return $a_weight < $b_weight ? -1 : 1;
}