3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array ( 'id' => 152, 'price' => $Z, 'title' => $Y, 'check' => $check ); $validJson = json_encode($array); echo $validJson;
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 {"id":152,"price":null,"title":null,"check":null}
Output for 5.2.0 - 5.6.28
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 7 {"id":152,"price":null,"title":null,"check":null}
Output for 5.1.0 - 5.1.6
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 7 Fatal error: Call to undefined function json_encode() in /in/a9Etr on line 8
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 Fatal error: Call to undefined function json_encode() in /in/a9Etr on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 Fatal error: Call to undefined function json_encode() in /in/a9Etr on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 Fatal error: Call to undefined function: json_encode() in /in/a9Etr on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 Fatal error: Call to undefined function: json_encode() in /in/a9Etr on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: Z in /in/a9Etr on line 4 Notice: Undefined variable: Y in /in/a9Etr on line 5 Notice: Undefined variable: check in /in/a9Etr on line 6 Fatal error: Call to undefined function: json_encode() in /in/a9Etr on line 8