@ 2014-10-08T11:49:58Z <?php
class parentobj implements Serializable
{
private $data;
protected $extradata;
public function __construct() {
$this->data = "My private data";
}
public function getData() {
return $this->data;
}
public function setData($data) {
$this->data = $data;
}
public function getExtraData(){
$this->extradata = array(
'data1','data2'
);
}
public function serialize() {
return serialize(array(
$this->data,
$this->extradata,
));
}
public function unserialize($data) {
$orgdata = unserialize($data);
$this->data = $orgdata[0];
$this->extradata = $orgdata[1];
}
}
class childobj extends parentobj
{
public function __construct() {
return parent::__construct();
}
public function getExtraData(){
$this->extradata = array(
'datachild1','datachild2'
);
}
public function serialize() {
return serialize($this->extradata);
}
public function unserialize($data) {
$this->extradata = unserialize($data);
}
}
$obj = new childobj();
$s = serialize($obj);
echo 'first serialize: '; var_dump($s);
$u = unserialize($s);
echo 'first unserialize: '; var_dump($u);
$u->getExtraData();
echo 'with extradata: '; var_dump($u);
$s2 = serialize($u);
echo 'second serialize: '; var_dump($s2);
$u2 = unserialize($s2);
echo 'second unserialize: '; var_dump($u2);
Enable javascript to submit You have javascript disabled. You will not be able to edit any code.
Output for 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Deprecated: parentobj implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/0Z6jd on line 2
Deprecated: childobj implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/0Z6jd on line 38
first serialize: string(21) "C:8:"childobj":2:{N;}"
first unserialize: object(childobj)#2 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
NULL
}
with extradata: object(childobj)#2 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
second serialize: string(70) "C:8:"childobj":50:{a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}"
second unserialize: object(childobj)#3 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.16 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 first serialize: string(21) "C:8:"childobj":2:{N;}"
first unserialize: object(childobj)#2 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
NULL
}
with extradata: object(childobj)#2 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
second serialize: string(70) "C:8:"childobj":50:{a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}"
second unserialize: object(childobj)#3 (2) {
["data":"parentobj":private]=>
NULL
["extradata":protected]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 first serialize: string(21) "C:8:"childobj":2:{N;}"
first unserialize: object(childobj)#2 (2) {
["data:private"]=>
NULL
["extradata:protected"]=>
NULL
}
with extradata: object(childobj)#2 (2) {
["data:private"]=>
NULL
["extradata:protected"]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
second serialize: string(70) "C:8:"childobj":50:{a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}"
second unserialize: object(childobj)#3 (2) {
["data:private"]=>
NULL
["extradata:protected"]=>
array(2) {
[0]=>
string(10) "datachild1"
[1]=>
string(10) "datachild2"
}
}
Output for 5.0.5 Fatal error: Interface 'Serializable' not found in /in/0Z6jd on line 2
Process exited with code 255 . Output for 5.0.0 - 5.0.4 Fatal error: Class 'Serializable' not found in /in/0Z6jd on line 2
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/0Z6jd on line 2
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_STRING, expecting '{' in /in/0Z6jd on line 2
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `'{'' in /in/0Z6jd on line 2
Process exited with code 255 . preferences:dark mode live preview
187.54 ms | 401 KiB | 312 Q