3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($ok = true) { if ($ok) { return array('foo', 42); } return null; } list($a0, $b0) = foo(); printf("a: %s; b: %s", json_encode($a0), json_encode($b0));
based on pTqoU
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a: "foo"; b: 42
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/YnQVS on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/YnQVS on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/YnQVS on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/YnQVS on line 11