<?php

set_error_handler(function ($errno, $message) {
    throw new Exception("Custom error handler: $message");
});

echo match ($undefVar) {
   default => "This should not get printed with or without opcache\n",
   '1', '2', '3', '4', '5' => "Also should not be printed\n",
};

echo "unreachable\n";

?>