3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array( 'foo' => 'bar', 'baz' => array( 'test' => 'bat', ), ); $string = json_encode($arr); echo $string, '<br/>'; $json = json_decode($string, true); $json['stuff']['name'] ='me'; $newJsonString = json_encode($json);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
{"foo":"bar","baz":{"test":"bat"}}<br/>
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/11mcL 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/11mcL 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/11mcL 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/11mcL on line 8