3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = json_encode('{}', true); print json_decode($x); ?>
Output for 5.3.0 - 7.1.0
{}
Output for 5.2.0 - 5.2.17
Warning: json_encode() expects exactly 1 parameter, 2 given in /in/73mbH on line 3
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/73mbH on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/73mbH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/73mbH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/73mbH on line 3