3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj =json_decode('{"data":{"name":"karla"}}'); $nam = "name";$str = json_encode($obj->data);echo $str;$arr = json_decode($str,true);echo $arr[$nam]; ?>
based on jF9oX
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
{"name":"karla"}karla
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/C8GQj 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/C8GQj 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/C8GQj 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/C8GQj on line 2