Server : LiteSpeed System : Linux server 3.10.0-1160.90.1.el7.x86_64 #1 SMP Thu May 4 15:21:22 UTC 2023 x86_64 User : alsaif ( 1057) PHP Version : 7.4.33 Disable Function : show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname Directory :  /home/alsaif/public_html/plugins/system/tgeoip/vendor/geoip2/geoip2/src/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

<?php

declare (strict_types=1);
namespace Tassos\Vendor\GeoIp2;

class Util
{
    /**
     * This returns the network in CIDR notation for the given IP and prefix
     * length. This is for internal use only.
     *
     * @internal
     * @ignore
     */
    public static function cidr(string $ipAddress, int $prefixLen) : string
    {
        $ipBytes = \inet_pton($ipAddress);
        $networkBytes = \str_repeat("\x00", \strlen($ipBytes));
        $curPrefix = $prefixLen;
        for ($i = 0; $i < \strlen($ipBytes) && $curPrefix > 0; $i++) {
            $b = $ipBytes[$i];
            if ($curPrefix < 8) {
                $shiftN = 8 - $curPrefix;
                $b = \chr(0xff & \ord($b) >> $shiftN << $shiftN);
            }
            $networkBytes[$i] = $b;
            $curPrefix -= 8;
        }
        $network = \inet_ntop($networkBytes);
        return "{$network}/{$prefixLen}";
    }
}