3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = array( 'blah' => 'need', 'meh' => 'have', ); $y = json_encode($x); var_dump($x); var_dump($y);
Output for 5.2.0 - 7.2.0
array(2) { ["blah"]=> string(4) "need" ["meh"]=> string(4) "have" } string(28) "{"blah":"need","meh":"have"}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/VLfpm on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/VLfpm on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/VLfpm on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/VLfpm on line 8