iluuu1994/nullsafe-by-ref.php

## nullsafe-by-ref.php
<?php

function takes_ref(&$ref) {}

$foo = null;
takes_ref($foo?->bar);
// Can either:
// 1. Throw no error, pass null
// 2. Throw a "Cannot parameter 1 by reference" error
	<?php

	function takes_ref(&$ref) {}

	$foo = null;
	takes_ref($foo?->bar);
	// Can either:
	// 1. Throw no error, pass null
	// 2. Throw a "Cannot parameter 1 by reference" error