3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = array("foo" => "my 'bar'"); $json = json_encode($val); ?> <p><?=$json</p>
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '/' in /in/kSUDR on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
<p><?=$json</p>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/kSUDR 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/kSUDR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/kSUDR 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/kSUDR on line 3
preferences:
207.33 ms | 1395 KiB | 118 Q