3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo json_encode((object)array(a => 1, b => 2, c => 3)); ?>
based on oWqtM
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant a - assumed 'a' in /in/pcGXu on line 2 Notice: Use of undefined constant b - assumed 'b' in /in/pcGXu on line 2 Notice: Use of undefined constant c - assumed 'c' in /in/pcGXu on line 2 {"a":1,"b":2,"c":3}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/pcGXu on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/pcGXu on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/pcGXu on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/pcGXu on line 2