3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2016-04-01T18:47:08Z

<?php

$arr = array(
    
    array('X-Powered-By' => 
                        array('Servlet/3.0')
        ),
        
    array('x-willy-info' =>
                        array('test')
    ));

echo implode(": ", array_map(function ($val) {
    return " ".$val[0]."\r\n";
}, $arr));

Output
Performance
VLD
References
Branches

array_map: documentation ( source)
implode: documentation ( source)

preferences:dark modelive preview

27.63 ms | 402 KiB | 5 Q