3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!defined('JSON_FORCE_OBJECT')) { echo 'unsupported version'; return; } $j0 = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0; $j1 = $j0 | JSON_FORCE_OBJECT; foreach( array( array() ) as $i) { echo json_encode($i, $j0); }

preferences:
39.48 ms | 402 KiB | 5 Q