<?php array_push(array &$array, mixed ...$values): int
<?php protected function trackInRenderStack($component, $callback) { array_push(static::$renderStack, $component); return tap($callback(), function () { array_pop(static::$renderStack);
<?php protected function pushOntoComponentStack($component) { array_push($this::$componentStack, $component); } protected function popOffComponentStack()