mirror of
https://github.com/php/php-src.git
synced 2024-12-18 06:21:41 +08:00
a175aa9dca
The read_dimension() handler in BP_VAR_IS mode will now call offsetExists() before caling offsetGet(). This has always been a problem, however recently the issue has been exacerbated, because the null-coalesce operator ?? makes it visible for non-nested array accesses. Also fixes #69659.
65 lines
1.3 KiB
PHP
65 lines
1.3 KiB
PHP
--TEST--
|
|
Bug #71731: Null coalescing operator and ArrayAccess
|
|
--FILE--
|
|
<?php
|
|
|
|
class AA implements ArrayAccess {
|
|
private $data = [];
|
|
public function offsetExists($name) {
|
|
echo "offsetExists($name)\n";
|
|
return array_key_exists($name, $this->data);
|
|
}
|
|
public function &offsetGet($name) {
|
|
echo "offsetGet($name)\n";
|
|
if (!array_key_exists($name, $this->data)) {
|
|
throw new Exception('Unknown offset');
|
|
}
|
|
return $this->data[$name];
|
|
}
|
|
public function offsetSet($name, $value) {
|
|
echo "offsetSet($name)\n";
|
|
$this->data[$name] = $value;
|
|
}
|
|
public function offsetUnset($name) {
|
|
echo "offsetUnset($name)\n";
|
|
unset($this->data[$name]);
|
|
}
|
|
}
|
|
|
|
$aa = new AA;
|
|
var_dump(isset($aa[0][1][2]));
|
|
var_dump(isset($aa[0]->foo));
|
|
var_dump($aa[0] ?? 42);
|
|
var_dump($aa[0][1][2] ?? 42);
|
|
|
|
$aa[0] = new AA;
|
|
$aa[0][1] = new AA;
|
|
var_dump(isset($aa[0][1][2]));
|
|
var_dump($aa[0][1][2] ?? 42);
|
|
|
|
?>
|
|
--EXPECT--
|
|
offsetExists(0)
|
|
bool(false)
|
|
offsetExists(0)
|
|
bool(false)
|
|
offsetExists(0)
|
|
int(42)
|
|
offsetExists(0)
|
|
int(42)
|
|
offsetSet(0)
|
|
offsetGet(0)
|
|
offsetSet(1)
|
|
offsetExists(0)
|
|
offsetGet(0)
|
|
offsetExists(1)
|
|
offsetGet(1)
|
|
offsetExists(2)
|
|
bool(false)
|
|
offsetExists(0)
|
|
offsetGet(0)
|
|
offsetExists(1)
|
|
offsetGet(1)
|
|
offsetExists(2)
|
|
int(42)
|