3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $abc = array('안녕하세요?'); $json_output = json_encode($abc, 256); print_r($json_output);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
["안녕하세요?"]
Output for 5.3.0 - 5.3.29
["\uc548\ub155\ud558\uc138\uc694?"]
Output for 5.2.0 - 5.2.17
Warning: json_encode() expects exactly 1 parameter, 2 given in /in/TlVvY on line 4
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/TlVvY on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/TlVvY on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/TlVvY on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/TlVvY on line 4