--TEST--
__serialize() mechanism (010): handle references in array returned by __serialize
--SKIPIF--
<?php if (PHP_VERSION_ID < 70400) { echo "skip __serialize/__unserialize not supported in php < 7.4 for compatibility with serialize()"; } ?>
--FILE--
<?php
class Test {
public $prop;
public $prop2;
public function __serialize() {
return [$this->prop, $this->prop2];
}
public function __unserialize(array $data) {
$this->prop = $data[0];
$this->prop2 = $data[1];
if (!$this->prop) {
throw new RuntimeException("Threw from __unserialize");
}
}
public function __destruct() {
// should not be called
echo "Called destruct\n";
}
}
$test = new Test;
$test->prop = &$test;
$test->prop2 = [&$test];
var_dump(bin2hex($s = igbinary_serialize($test)));
var_dump(igbinary_unserialize($s));
unset($test->prop);
$test->prop = false;
var_dump(bin2hex($s = igbinary_serialize($test)));
try {
igbinary_unserialize($s);
} catch (RuntimeException $e) {
echo "message={$e->getMessage()}\n";
}
echo "Calling gc_collect_cycles\n";
gc_collect_cycles();
echo "After call to gc_collect_cycles\n";
?>
--EXPECT--
string(50) "00000002170454657374140206002200060114010600252200"
object(Test)#2 (2) {
["prop"]=>
*RECURSION*
["prop2"]=>
array(1) {
[0]=>
*RECURSION*
}
}
string(48) "000000021704546573741402060004060114010600252200"
message=Threw from __unserialize
Calling gc_collect_cycles
Called destruct
After call to gc_collect_cycles
Called destruct