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--TEST--
SPL: ArrayIterator and foreach by reference
--FILE--
<?php
$ar = new ArrayObject(array(1)); foreach($ar as &$v) var_dump($v);
$ar = new ArrayIterator(array(2)); foreach($ar as &$v) var_dump($v);
$ar = new RecursiveArrayIterator(array(3)); foreach($ar as &$v) var_dump($v);
class ArrayIteratorEx extends ArrayIterator
{
function current(): mixed
{
return ArrayIterator::current();
}
}
$ar = new ArrayIteratorEx(array(4)); foreach($ar as $v) var_dump($v);
$ar = new ArrayIteratorEx(array(5)); foreach($ar as &$v) var_dump($v);
?>
===DONE===
--EXPECTF--
int(1)
int(2)
int(3)
int(4)
Fatal error: Uncaught Error: An iterator cannot be used with foreach by reference in %s:%d
Stack trace:
#0 {main}
thrown in %s on line %d
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