3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($ok) { if ($ok) { return array('foo', 42); } return null; } foreach (array(true, false) as $ok) { list($a, $b) = foo($ok); printf("a: %s; b: %s\n", json_encode($a), json_encode($b)); }
based on 700Eq
Output for 5.2.0 - 7.1.0
a: "foo"; b: 42 a: null; b: null
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/o5ocb on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/o5ocb on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/o5ocb on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/o5ocb on line 13