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--TEST--
foreach with iterator and &$value reference
--FILE--
<?php
class MyIterator implements Iterator {
public function valid(): bool { return true; }
public function next(): void {}
public function rewind(): void {}
public function current(): mixed { return null; }
public function key(): mixed {return ""; }
}
$f = new MyIterator;
echo "-----( Try to iterate with &\$value: )-----\n";
foreach ($f as $k=>&$v) {
echo "$k => $v\n";
}
?>
--EXPECTF--
-----( Try to iterate with &$value: )-----
Fatal error: Uncaught Error: An iterator cannot be used with foreach by reference in %s:13
Stack trace:
#0 {main}
thrown in %s on line 13
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