3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php json_encode('1.123456789123456789', JSON_NUMERIC_CHECK); json_encode('1.123456789123456789');
based on ot1Ko
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0