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--TEST--
Bug #71359: Null coalescing operator and magic
--FILE--
<?php
class AA {
private $data = [];
public function __isset($name) {
echo "__isset($name)\n";
return array_key_exists($name, $this->data);
}
public function &__get($name) {
echo "__get($name)\n";
if (!array_key_exists($name, $this->data)) {
throw new Exception('Unknown offset');
}
return $this->data[$name];
}
public function __set($name, $value) {
echo "__set($name)\n";
$this->data[$name] = $value;
}
public function __unset($name) {
echo "__unset($name)\n";
unset($this->data[$name]);
}
}
$aa = new AA;
var_dump(isset($aa->zero->one->two));
var_dump(isset($aa->zero->foo));
var_dump($aa->zero ?? 42);
var_dump($aa->zero->one->two ?? 42);
$aa->zero = new AA;
$aa->zero->one = new AA;
var_dump(isset($aa->zero->one->two));
var_dump($aa->zero->one->two ?? 42);
?>
--EXPECT--
__isset(zero)
bool(false)
__isset(zero)
bool(false)
__isset(zero)
int(42)
__isset(zero)
int(42)
__set(zero)
__get(zero)
__set(one)
__isset(zero)
__get(zero)
__isset(one)
__get(one)
__isset(two)
bool(false)
__isset(zero)
__get(zero)
__isset(one)
__get(one)
__isset(two)
int(42)
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