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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump((object) array("\x00key" => "value") );
Output for 7.0.0 - 7.1.0
object(stdClass)#1 (1) { Notice: Corrupt member variable name in /in/3ukSi on line 2 ["key"]=> string(5) "value" }
Output for hhvm-3.12.0
object(stdClass)#1 (1) { ["":"key":private]=> string(5) "value" }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.0 - 5.6.28
object(stdClass)#1 (1) { Notice: Corrupt member variable name in /in/3ukSi on line 3 ["key"]=> string(5) "value" }
Output for 5.0.0 - 5.1.6
object(stdClass)#1 (1) { [":private"]=> string(5) "value" }
Output for 4.3.5 - 4.4.9
object(stdClass)(1) { ["key"]=> string(5) "value" }
Output for 4.3.0 - 4.3.4
object(stdClass)(1) { [""]=> string(5) "value" }