3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:2;r:3;}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } echo($x[0]); var_dump($x[1]);
based on DeMp7
Output for 7.0.20 - 7.2.0
Exception in /in/90jJu:4 Stack trace: #0 /in/90jJu(4): unserialize('a:2:{i:0;O:9:"e...') #1 {main} Notice: Undefined offset: 1 in /in/90jJu on line 12 NULL
Output for 7.0.0 - 7.0.6
Notice: Undefined property: Exception::$previous in /in/90jJu on line 10 Exception in /in/90jJu:4 Stack trace: #0 /in/90jJu(4): unserialize('a:2:{i:0;O:9:"e...') #1 {main} Notice: Undefined offset: 1 in /in/90jJu on line 12 NULL
Output for 5.3.18 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11, 5.6.28
exception 'Exception' in /in/90jJu:4 Stack trace: #0 /in/90jJu(4): unserialize('a:2:{i:0;O:9:"e...') #1 {main} Notice: Undefined offset: 1 in /in/90jJu on line 12 NULL
Output for 5.4.44 - 5.4.45, 5.5.28 - 5.5.35, 5.6.12 - 5.6.21
Notice: Undefined property: Exception::$previous in /in/90jJu on line 10 exception 'Exception' in /in/90jJu:4 Stack trace: #0 /in/90jJu(4): unserialize('a:2:{i:0;O:9:"e...') #1 {main} Notice: Undefined offset: 1 in /in/90jJu on line 12 NULL