3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a' => array('b' => 'B', 'c' => "C\nD", array(1,2,3,4,5))); var_dump(json_encode($a, JSON_PRETTY_PRINT));
Output for 5.4.0 - 7.1.0
string(158) "{ "a": { "b": "B", "c": "C\nD", "0": [ 1, 2, 3, 4, 5 ] } }"
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/FDsYN on line 3 Warning: json_encode() expects parameter 2 to be long, string given in /in/FDsYN on line 3 NULL
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/FDsYN on line 3 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/FDsYN on line 3 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/FDsYN 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/FDsYN 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/FDsYN 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/FDsYN on line 3