3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $aoData = array( array('name' => 0, 'value' => "id"), array('name' => 1, 'value' => "title"), array('name' => 2, 'value' => "cat"), array('name' => 3, 'value' => "img"), array('name' => 4, 'value' => "des")); echo json_encode($aoData);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
[{"name":0,"value":"id"},{"name":1,"value":"title"},{"name":2,"value":"cat"},{"name":3,"value":"img"},{"name":4,"value":"des"}]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/Yf7nV 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/Yf7nV 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/Yf7nV 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/Yf7nV on line 10