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run code in 150+ php & hhvm versions
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<?php $data = ['test' => 'bar']; if (!($json = @json_encode($data))) { print "true"; } else { print "false"; }
based on NNhec
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
false
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/IarUZ on line 1
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/IarUZ on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/IarUZ on line 1
Process exited with code 255.