nullthrows.php

<?php

/**
 * A utility that accepts a value and throws an Exception if the value is null,
 * otherwise it returns the value.
 *
 * @throws Exception
 */
function nullthrows(mixed $value, string $message = null): mixed
{
    if ($value !== null) {
        return $value;
    }

    throw new Exception($message ?: 'Got unexpected null value.');
}