3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(json_decode('{config:{currencies:["USD"]}}')); echo json_last_error();
Output for 5.3.0 - 7.1.0
NULL 4
Output for 5.2.0 - 5.2.17
NULL Fatal error: Call to undefined function json_last_error() in /in/3OBGu on line 4
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/3OBGu 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/3OBGu 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/3OBGu 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/3OBGu on line 3