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|
--TEST--
GH Bug #248: apcu_fetch may return values causing zend_mm_corruption or segfaults when custom serializer is used
--SKIPIF--
<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
--INI--
apc.enabled=1
apc.enable_cli=1
apc.serializer=default
--FILE--
<?php
function build_array() {
return [
'params' => 2,
'construct' => ['a'],
'x1' => 'y',
'x2' => 'y',
'x3' => 'y',
'x4' => 'y',
'x5' => 'y',
'x6' => 0,
];
}
class MyClass {
private $_params;
public function __construct($params) {
var_dump($params);
$this->_params = $params;
var_dump($params);
$this->_params['ids'] = [4];
$this->_params['loadValue'] = 'x';
unset($this->_params['params']);
}
}
function setup() {
apcu_delete('mytestkey');
apcu_store('mytestkey', build_array());
}
function test_apcu_fetch() {
// Or store second?
$value = apcu_fetch('mytestkey');
echo "Fetching the value initially stored into apcu:\n";
var_dump($value);
echo "Done dumping initial fetch\n\n";
new MyClass($value);
echo "\$value was passed by value, not reference. After instantiating class, the array \$value gets modified\n";
var_dump($value);
echo "\nAnd calling apcu_fetch again, the original data is preserved (8 keys, params=2)\n";
var_dump(apcu_fetch('mytestkey'));
}
setup();
test_apcu_fetch();
?>
--EXPECT--
Fetching the value initially stored into apcu:
array(8) {
["params"]=>
int(2)
["construct"]=>
array(1) {
[0]=>
string(1) "a"
}
["x1"]=>
string(1) "y"
["x2"]=>
string(1) "y"
["x3"]=>
string(1) "y"
["x4"]=>
string(1) "y"
["x5"]=>
string(1) "y"
["x6"]=>
int(0)
}
Done dumping initial fetch
array(8) {
["params"]=>
int(2)
["construct"]=>
array(1) {
[0]=>
string(1) "a"
}
["x1"]=>
string(1) "y"
["x2"]=>
string(1) "y"
["x3"]=>
string(1) "y"
["x4"]=>
string(1) "y"
["x5"]=>
string(1) "y"
["x6"]=>
int(0)
}
array(8) {
["params"]=>
int(2)
["construct"]=>
array(1) {
[0]=>
string(1) "a"
}
["x1"]=>
string(1) "y"
["x2"]=>
string(1) "y"
["x3"]=>
string(1) "y"
["x4"]=>
string(1) "y"
["x5"]=>
string(1) "y"
["x6"]=>
int(0)
}
$value was passed by value, not reference. After instantiating class, the array $value gets modified
array(8) {
["params"]=>
int(2)
["construct"]=>
array(1) {
[0]=>
string(1) "a"
}
["x1"]=>
string(1) "y"
["x2"]=>
string(1) "y"
["x3"]=>
string(1) "y"
["x4"]=>
string(1) "y"
["x5"]=>
string(1) "y"
["x6"]=>
int(0)
}
And calling apcu_fetch again, the original data is preserved (8 keys, params=2)
array(8) {
["params"]=>
int(2)
["construct"]=>
array(1) {
[0]=>
string(1) "a"
}
["x1"]=>
string(1) "y"
["x2"]=>
string(1) "y"
["x3"]=>
string(1) "y"
["x4"]=>
string(1) "y"
["x5"]=>
string(1) "y"
["x6"]=>
int(0)
}
|
