3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";r:2;}}i:1;R:3;i:2;R:4;}'; $x = unserialize($x); var_dump($x);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot assign Exception to property Exception::$string of type string in /in/IdnfT:4 Stack trace: #0 /in/IdnfT(4): unserialize('a:3:{i:0;O:9:"e...') #1 {main} thrown in /in/IdnfT on line 4
Process exited with code 255.
Output for 7.0.15 - 7.0.33, 7.1.1 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(3) { [0]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> object(Exception)#2 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [2]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } }
Output for 7.0.10 - 7.0.14, 7.1.0
array(1) { [0]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } }
Output for 7.0.0 - 7.0.9
array(1) { [0]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } } }
Output for 5.6.25 - 5.6.40
array(3) { [0]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> object(Exception)#2 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [2]=> NULL }
Output for 5.4.44 - 5.4.45, 5.5.28 - 5.5.38, 5.6.12 - 5.6.24
array(3) { [0]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } } [1]=> object(Exception)#2 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } } [2]=> NULL }
Output for 5.4.20 - 5.4.43, 5.5.4 - 5.5.27, 5.6.0 - 5.6.11
array(3) { [0]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> &object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> &object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [2]=> NULL }
Output for 5.4.0 - 5.4.19, 5.5.0 - 5.5.3
array(3) { [0]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> &object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> &object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/IdnfT" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/IdnfT" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";O:9:"exception":1:{s:17:"Exceptionstring";r:2;}}i:1;R:3;i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [2]=> &NULL }

preferences:
252.89 ms | 410 KiB | 376 Q