3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo var_dump(json_decode(json_encode(array('123')), 1, 1, null));
Output for 5.4.0 - 5.6.24, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
NULL
Output for 5.3.0 - 5.3.29
Warning: json_decode() expects at most 3 parameters, 4 given in /in/Jq1F0 on line 2 NULL
Output for 5.2.0 - 5.2.17
Warning: json_decode() expects at most 2 parameters, 4 given in /in/Jq1F0 on line 2 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/Jq1F0 on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/Jq1F0 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/Jq1F0 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/Jq1F0 on line 2