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--TEST--
Iterator exceptions in foreach by reference
--FILE--
<?php
class IT extends ArrayIterator {
private $n = 0;
function __construct($trap = null) {
parent::__construct([0, 1]);
$this->trap = $trap;
}
function trap($trap) {
if ($trap === $this->trap) {
throw new Exception($trap);
}
}
function rewind() {$this->trap(__FUNCTION__); return parent::rewind();}
function valid() {$this->trap(__FUNCTION__); return parent::valid();}
function key() {$this->trap(__FUNCTION__); return parent::key();}
function next() {$this->trap(__FUNCTION__); return parent::next();}
}
foreach(['rewind', 'valid', 'key', 'next'] as $trap) {
$obj = new IT($trap);
try {
// IS_CV
foreach ($obj as $key => &$val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
unset($obj);
try {
// IS_VAR
foreach (new IT($trap) as $key => &$val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
try {
// IS_TMP_VAR
foreach ((object)new IT($trap) as $key => &$val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
}
?>
--EXPECT--
rewind
rewind
rewind
valid
valid
valid
key
key
key
0
next
0
next
0
next
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