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run code in 150+ php & hhvm versions
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<?php $one = 'fred'; $ray = [$one => 'one']; var_dump($ray);
based on NHISf
Output for 5.4.0 - 7.1.0
array(1) { ["fred"]=> string(3) "one" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/WAkXd 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/WAkXd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WAkXd on line 3
Process exited with code 255.