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<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}i:1;R:2;}'; $x = unserialize($x); var_dump($x);
based on 2OqkT
Output for 5.6.28, 7.0.20 - 7.2.0
array(2) { [0]=> &object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;R:2;}" } } } ["previous":"Exception":private]=> NULL } [1]=> &object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;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, 7.0.0 - 7.0.6
array(2) { [0]=> &object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;R:2;}" } } } } [1]=> &object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;R:2;}" } } } } }
Output for 5.3.18 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
array(2) { [0]=> &object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;R:2;}" } } } ["previous":"Exception":private]=> NULL } [1]=> &object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> *RECURSION* ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U8bkP" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/U8bkP" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(67) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";R:2;}i:1;R:2;}" } } } ["previous":"Exception":private]=> NULL } }