3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1, null , false, true, 'test', array(), new stdClass()); $json = json_encode($a); var_dump($json, json_decode($json));
Output for 5.2.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(32) "[1,null,false,true,"test",[],{}]" array(7) { [0]=> int(1) [1]=> NULL [2]=> bool(false) [3]=> bool(true) [4]=> string(4) "test" [5]=> array(0) { } [6]=> object(stdClass)#2 (0) { } }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/AJoUp on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/AJoUp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/AJoUp on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/AJoUp on line 3