3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array( 1 => 'Номер один', 'two' => 2, 'three' => 'Это номер три', 4 => 4 ); $json = json_encode($array); echo $json;
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
{"1":"\u041d\u043e\u043c\u0435\u0440 \u043e\u0434\u0438\u043d","two":2,"three":"\u042d\u0442\u043e \u043d\u043e\u043c\u0435\u0440 \u0442\u0440\u0438","4":4}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/L9E33 on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/L9E33 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/L9E33 on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/L9E33 on line 10