3v4l.org

run code in 300+ PHP versions simultaneously
<?php $errors = [null, null, null]; echo $errors == null ? "true\n" : "false\n"; echo empty($errors) ? "true\n" : "false\n"; echo empty(array_filter($errors)) ? "true\n" : "false\n";

preferences:
155.87 ms | 404 KiB | 5 Q