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run code in 150+ php & hhvm versions
Bugs & Features
<?php ${'petsound'["cat"]} = "meow"; var_dump($petsound); $petsound{"dog"} = "bark"; var_dump($petsound);
based on 1JKX2
Output for 5.5.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'cat' in /in/MaIVK on line 3 Notice: Undefined variable: petsound in /in/MaIVK on line 4 NULL array(1) { ["dog"]=> string(4) "bark" }
Output for hhvm-3.10.0 - 3.13.2
Notice: Undefined variable: petsound in /in/MaIVK on line 4 NULL array(1) { ["dog"]=> string(4) "bark" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.45
Parse error: syntax error, unexpected '[' in /in/MaIVK on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/MaIVK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/MaIVK on line 3
Process exited with code 255.