3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); if(null !== JSON_PRETTY_PRINT && defined(JSON_PRETTY_PRINT)){ echo json_encode($arr, JSON_PRETTY_PRINT); echo JSON_PRETTY_PRINT; } ?>
Output for 5.4.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/M0uvI on line 4 Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/M0uvI on line 4