3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); echo json_encode($arr,JSON_FORCE_OBJECT); ?>
Output for 5.3.0 - 7.1.0
{"a":1,"b":2,"c":3,"d":4,"e":5}
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_FORCE_OBJECT - assumed 'JSON_FORCE_OBJECT' in /in/mCtmU on line 4 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/mCtmU on line 4
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/mCtmU on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/mCtmU on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/mCtmU on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/mCtmU on line 4