3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}i:2;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($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 int to property Exception::$string of type string in /in/Hfg2a:4 Stack trace: #0 /in/Hfg2a(4): unserialize('a:3:{i:0;i:1;i:...') #1 {main} thrown in /in/Hfg2a on line 4
Process exited with code 255.
Output for 7.0.20, 7.1.0 - 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]=> int(1) [1]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } [2]=> object(Exception)#2 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } }
Output for 7.0.0 - 7.0.6
array(3) { [0]=> int(1) [1]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } } [2]=> object(Exception)#2 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } } }
Output for 5.6.28
array(3) { [0]=> int(1) [1]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } [2]=> object(Exception)#2 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } }
Output for 5.4.44 - 5.4.45, 5.5.28 - 5.5.35, 5.6.12 - 5.6.21
array(3) { [0]=> int(1) [1]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } } [2]=> object(Exception)#2 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } } }
Output for 5.4.1 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
array(3) { [0]=> &int(1) [1]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> &int(1) ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } [2]=> object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> &int(1) ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/Hfg2a" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/Hfg2a" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> &string(120) "a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:2;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}}" } } } ["previous":"Exception":private]=> NULL } }

preferences:
217.72 ms | 406 KiB | 272 Q