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<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:0:{}}i:1;R:3;}'; $y = unserialize($x); //for($i = 0; $i < 5; $i++) { // $v[$i] = 'hi'.$i; //} unset($y[1]); var_dump($y);
based on JS0qT
Output for 5.6.28, 7.0.20 - 7.2.0
array(1) { [0]=> object(Exception)#1 (6) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/6k6ML" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/6k6ML" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(69) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:0:{}}i:1;R:3;}" } } } ["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(1) { [0]=> object(Exception)#1 (5) { ["message":protected]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/6k6ML" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/6k6ML" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(69) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:0:{}}i:1;R:3;}" } } } } }
Output for 5.3.19 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
array(1) { [0]=> object(Exception)#1 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> array(0) { } ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/6k6ML" ["line":protected]=> int(4) ["trace":"Exception":private]=> array(1) { [0]=> array(4) { ["file"]=> string(9) "/in/6k6ML" ["line"]=> int(4) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(69) "a:2:{i:0;O:9:"exception":1:{s:17:"Exceptionstring";a:0:{}}i:1;R:3;}" } } } ["previous":"Exception":private]=> NULL } }