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run code in 150+ php & hhvm versions
Bugs & Features
<?php class C { protected $foo; private $bar; } $obj = unserialize('O:1:"C":2:{s:6:"\0*\0foo";i:42;s:6:"\0*\0bar";s:5:"hello";\0}'); var_dump($obj);
based on 75Oau
Output for 5.0.3 - 5.6.28, 7.0.0 - 7.1.0
Notice: unserialize(): Error at offset 22 of 61 bytes in /in/NE8Jc on line 8 bool(false)
Output for hhvm-3.12.0
Notice: Unable to unserialize: [O:1:"C":2:{s:6:"\0*\0foo";i:42;s:6:"\0*\0bar";s:5:"hello";\0}]. Expected '"' but got 'o'. in /in/NE8Jc on line 8 bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.2
Notice: unserialize(): Error at offset 24 of 61 bytes in /in/NE8Jc on line 8 bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NE8Jc on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NE8Jc on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/NE8Jc on line 4
Process exited with code 255.