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run code in 300+ PHP versions simultaneously
<?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 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 getExtraData(){ $this->extradata = array( 'datachild1','datachild2' ); } 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]; } } $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($u2);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: parentobj implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/VMm7C on line 2 Deprecated: childobj implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/VMm7C on line 34 Warning: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" Deprecated: Creation of dynamic property childobj::$data is deprecated in /in/VMm7C on line 50 first unserialize: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" Deprecated: Creation of dynamic property childobj::$data is deprecated in /in/VMm7C on line 50 second unserialize: object(childobj)#3 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 8.1.0 - 8.1.28
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/VMm7C 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/VMm7C on line 34 Warning: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 8.0.0 - 8.0.30
Warning: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 7.3.32 - 7.3.33
first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data":"parentobj":private]=> NULL ["extradata":protected]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 5.2.6 - 5.2.17
Notice: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data:private"]=> NULL ["extradata:protected"]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data:private"]=> NULL ["extradata:protected"]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data:private"]=> NULL ["extradata:protected"]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Notice: Undefined property: childobj::$data in /in/VMm7C on line 44 first serialize: string(38) "C:8:"childobj":18:{a:2:{i:0;N;i:1;N;}}" first unserialize: object(childobj)#2 (3) { ["data:private"]=> NULL ["extradata:protected"]=> NULL ["data"]=> NULL } with extradata: object(childobj)#2 (3) { ["data:private"]=> NULL ["extradata:protected"]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL } second serialize: string(86) "C:8:"childobj":66:{a:2:{i:0;N;i:1;a:2:{i:0;s:10:"datachild1";i:1;s:10:"datachild2";}}}" second unserialize: object(childobj)#3 (3) { ["data:private"]=> NULL ["extradata:protected"]=> array(2) { [0]=> string(10) "datachild1" [1]=> string(10) "datachild2" } ["data"]=> NULL }
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/VMm7C on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/VMm7C 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/VMm7C 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/VMm7C on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/VMm7C on line 2
Process exited with code 255.
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