3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array( array( '1' => '2', '2' => '3' ), array( '1' => '3', '2' => '2', '3' => '2' ) ); $arr = array(); foreach ($array as $row) { $arr[] = $row; } echo json_encode($arr);
based on XPVbA
Output for 5.2.0 - 7.2.0
[{"1":"2","2":"3"},{"1":"3","2":"2","3":"2"}]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/iuPbv on line 17
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/iuPbv on line 17
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/iuPbv on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/iuPbv on line 17