3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function a (&$b) { return json_encode($b); } $x = new stdClass(); $x->blop = 'bla'; $x->bla = 3; $x->bar = array('baz' => 'apple'); $y = a($x); var_dump($y);
Output for 5.2.0 - 7.1.0
string(44) "{"blop":"bla","bla":3,"bar":{"baz":"apple"}}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/3S3FV 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/3S3FV 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/3S3FV 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/3S3FV on line 3