3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2013-05-04T15:15:14Z

<?php
function isOnline($ip, $port, $timeout = 1) {
    return (($fp = fsockopen($ip, $port, $i, $j, $timeout)) ? fclose($fp) : false);
}
isOnline('127.0.0.1', 80);

Output
Performance
VLD
References
Branches

fsockopen: documentation ( source)
fclose: documentation ( source)

preferences:dark modelive preview

38.37 ms | 402 KiB | 5 Q