fetchURL()

Complexity

Conditions	6
Paths	5

Size

Total Lines	43
Code Lines	26

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function fetchURL($url, $timeout = 2)
{
    /** @var Helper $helper */
    $helper     = Helper::getInstance();

The assignment to $helper is dead and can be removed.

    $url        = urldecode($url);
    $url_parsed = parse_url($url);
    if (!isset($url_parsed['host'])) {
        return '';
    }

    $host = $url_parsed['host'];
    $host = preg_replace('#http://#', '', $host);
    $port = $url_parsed['port'] ?? 80;
    // Open the socket
    $handle = @fsockopen('http://' . $host, $port, $errno, $errstr, $timeout);
    if (!$handle) {

$handle is of type false|resource, thus it always evaluated to false.

        return null;
    }

    // Set read timeout
    stream_set_timeout($handle, $timeout);
    for ($i = 0; $i < 1; ++$i) {

++$i is not reachable.

        // Time the responce
        list($usec, $sec) = explode(' ', microtime(true));
        $start = (float)$usec + (float)$sec;
        // send somthing
        $write = fwrite($handle, "return ping\n");
        if (!$write) {
            return '';
        }
        fread($handle, 1024);
        // Work out if we got a responce and time it
        list($usec, $sec) = explode(' ', microtime(true));
        $laptime = ((float)$usec + (float)$sec) - $start;
        if ($laptime > $timeout) {
            return 'No Reply';
        }

        return round($laptime, 3);
    }
    fclose($handle);

    return null;
}