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run code in 300+ PHP versions simultaneously
<?php class obj { var $y; function __wakeup () { $this->y = 1; } } $x = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";i:2;}i:2;R:4;}'; $x = unserialize($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 array to property Exception::$string of type string in /in/C9JOZ:11 Stack trace: #0 /in/C9JOZ(11): unserialize('a:3:{i:0;O:9:"e...') #1 {main} thrown in /in/C9JOZ on line 11
Process exited with code 255.
Output for 5.6.25 - 5.6.40, 7.0.10 - 7.0.33, 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]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/C9JOZ" ["line":protected]=> int(11) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/C9JOZ" ["line"]=> int(11) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(107) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";i:2;}i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> object(obj)#2 (1) { ["y"]=> int(1) } [2]=> int(1) }
Output for 5.4.44 - 5.4.45, 5.5.28 - 5.5.38, 5.6.12 - 5.6.24, 7.0.0 - 7.0.9
array(3) { [0]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/C9JOZ" ["line":protected]=> int(11) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/C9JOZ" ["line"]=> int(11) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(107) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";i:2;}i:2;R:4;}" } } } } [1]=> object(obj)#2 (1) { ["y"]=> int(1) } [2]=> int(1) }
Output for 5.4.0 - 5.4.43, 5.5.0 - 5.5.27, 5.6.0 - 5.6.11
array(3) { [0]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> array(1) { [0]=> &int(1) } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/C9JOZ" ["line":protected]=> int(11) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/C9JOZ" ["line"]=> int(11) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(107) "a:3:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";i:2;}i:2;R:4;}" } } } ["previous":"Exception":private]=> NULL } [1]=> object(obj)#2 (1) { ["y"]=> int(1) } [2]=> &int(1) }

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