3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(json_decode(null));
Output for 5.2.0 - 5.6.29, hhvm-3.10.0, 7.0.0 - 7.1.0
NULL
Output for hhvm-3.12.0 - 3.13.2
Warning: json_decode() expects parameter 1 to be string, null given in /in/KWaJu on line 3 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/KWaJu on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/KWaJu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/KWaJu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/KWaJu on line 3