3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('<foo>',"'bar'",'"baz"','&blong&', "\xc3\xa9"); echo json_encode($a, "b"), "\n";
Output for 7.0.0 - 7.1.0
Warning: json_encode() expects parameter 2 to be integer, string given in /in/SaWY1 on line 4
Output for 5.3.0 - 5.6.28
Warning: json_encode() expects parameter 2 to be long, string given in /in/SaWY1 on line 4
Output for 5.2.0 - 5.2.17
Warning: json_encode() expects exactly 1 parameter, 2 given in /in/SaWY1 on line 4
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/SaWY1 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/SaWY1 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/SaWY1 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/SaWY1 on line 4