php-8.0.30-src/Zend/tests/nullsafe_operator/027.phpt

24 lines
304 B
PHP

--TEST--
Test nullsafe in sub-chain of function argument
--FILE--
<?php
function takes_ref(&$foo) {
$foo = 'foo';
}
function &returns_ref($ref) {
global $foo;
return $foo;
}
global $foo;
$null = null;
takes_ref(returns_ref($null?->null()));
var_dump($foo);
?>
--EXPECT--
string(3) "foo"