3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $e = new Exception('Test'); echo json_encode($e, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
Output for 5.4.0 - 7.3.1
{}
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_UNESCAPED_SLASHES - assumed 'JSON_UNESCAPED_SLASHES' in /in/8V5Po on line 4 Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/8V5Po on line 4 Warning: json_encode() expects parameter 2 to be long, string given in /in/8V5Po on line 4
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_UNESCAPED_SLASHES - assumed 'JSON_UNESCAPED_SLASHES' in /in/8V5Po on line 4 Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/8V5Po on line 4 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/8V5Po on line 4
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/8V5Po on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: exception in /in/8V5Po on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: exception in /in/8V5Po on line 3