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--TEST--
Foreach by reference on nullsafe
--FILE--
<?php
class Foo {
public $bar;
}
$foo = new Foo();
foreach ($foo?->bar as &$value) {
var_dump($value);
}
// Don't convert $foo->bar into a reference.
$foo->bar = [42];
foreach ($foo?->bar as &$value) {
var_dump($value);
$value++;
}
var_dump($foo->bar);
// But respect interior references.
$ref =& $foo->bar[0];
foreach ($foo?->bar as &$value) {
var_dump($value);
$value++;
}
var_dump($foo->bar);
?>
--EXPECTF--
Warning: foreach() argument must be of type array|object, null given in %s on line %d
int(42)
array(1) {
[0]=>
int(42)
}
int(42)
array(1) {
[0]=>
&int(43)
}
|
