3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = array( 'foo' => 'bar', 'bax' => 'baz', ); print json_encode($var, JSON_PRETTY_PRINT);
based on 4vaC6
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
{ "foo": "bar", "bax": "baz" }
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/ZpmFa on line 6 Warning: json_encode() expects parameter 2 to be long, string given in /in/ZpmFa on line 6
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/ZpmFa on line 6 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/ZpmFa on line 6
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/ZpmFa on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/ZpmFa on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/ZpmFa on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/ZpmFa on line 6