3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo JSON_PRETTY_PRINT;
Output for 5.4.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.1.11
128
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/4YajM on line 3 JSON_PRETTY_PRINT