3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $values = array( 'foo' => 10, 'bar' => 20, 'baz' => 30 ); $newarray = array(); foreach($values as $k => $v) { $newarray['test'] = $v; if($k == 'bar') $newarray['qux'] = 21; } echo json_encode($newarray);
based on F3FWT
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
{"test":30,"qux":21}