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run code in 150+ php & hhvm versions
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<?php $a = array(1,2); echo ($a)? 'pass' : 'fail'; echo json_encode(array('status'=>'failed'));
based on dFram
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
pass{"status":"failed"}
Output for 5.0.0 - 5.1.6
pass Fatal error: Call to undefined function json_encode() in /in/oui8B on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
pass Fatal error: Call to undefined function: json_encode() in /in/oui8B on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
pass Fatal error: Call to undefined function: json_encode() in /in/oui8B on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
pass Fatal error: Call to undefined function: json_encode() in /in/oui8B on line 4