root/branches/user_agent/functions.php

<?php


function ua_get_filename($name, $folder)
{
        global $base_url;
        
        $name = strtolower($name);
        $name = str_replace(' ', '', $name); // remove spaces
        $name = preg_replace('[^a-z0-9_]', '', $name); // remove special characters
        $name = forum_htmlencode($name);
        $name = $base_url.'/extensions/user_agent/img/'.$folder.'/'.$name.'.png';
        return $name;
}

function ua_str_contains($string, $search)
{
        return (strpos($string, $search) !== false);
}

function ua_search_for_item($items, $useragent)
{
        $result = '';
        
        foreach ($items as $item)
        {
                if (ua_str_contains($useragent, strtolower($item)))
                {
                        $result = $item;
                        break;
                }
        }
        return $result;
}

function get_useragent_names($useragent)
{
        if ($useragent == '')
        {
                $result = array(
                        'system'                        => 'Unknown',
                        'browser_img'           => 'Unknown',
                        'browser_version'       => 'Unknown',
                        'browser_name'          => 'Unknown'
                );
                return $result;
        }
        
        $browser_img = '';
        $browser_version = '';
        
        $useragent = strtolower($useragent);
        
        // Browser detection
        $browsers = array('AWeb', 'Camino', 'Epiphany', 'Galeon', 'HotJava', 'iCab', 'MSIE', 'Chrome', 'Safari', 'Konqueror', 'Flock', 'Iceweasel', 'SeaMonkey', 'Firefox', 'Firebird', 'Netscape', 'Mozilla', 'Opera', 'Maxthon', 'PhaseOut', 'SlimBrowser');
        
        $browser = ua_search_for_item($browsers, $useragent);

        $browser_version = substr($useragent, strpos($useragent, strtolower($browser)) + strlen($browser) + 1);
        preg_match('#([\.0-9]*)#', $browser_version, $matches);
        $browser_version = $matches[1];

        if ($browser == 'MSIE')
        {
                if (intval($browser_version) > 6)
                        $browser_img = 'Internet Explorer 7';
                $browser = 'Internet Explorer';
        }
        
        // System detection
        $systems = array('Amiga', 'BeOS', 'FreeBSD', 'HP-UX', 'Linux', 'NetBSD', 'OS/2', 'SunOS', 'Symbian', 'Unix', 'Windows', 'Sun', 'Macintosh', 'Mac');
        
        $system = ua_search_for_item($systems, $useragent);
        
        if ($system == 'Linux')
        {
                $systems = array('CentOS', 'Debian', 'Fedora', 'Freespire', 'Gentoo', 'Katonix', 'KateOS', 'Knoppix', 'Kubuntu', 'Linspire', 'Mandriva', 'Mandrake', 'RedHat', 'Slackware', 'Slax', 'Suse', 'Xubuntu', 'Ubuntu', 'Xandros', 'Arch', 'Ark');

                $system = ua_search_for_item($systems, $useragent);
                if ($system == '')
                        $system = 'Linux';
                
                if ($system == 'Mandrake')
                        $system = 'Mandriva';
        }
        elseif ($system == 'Windows')
        {
                $version = substr($useragent, strpos($useragent, 'windows nt ') + 11);
                if (substr($version, 0, 3) == 5.1)
                        $system = 'Windows XP';
                elseif (substr($version, 0, 1) == 6)
                {
                        if (substr($version, 0, 3) == 6.0)
                                $system = 'Windows Vista';
                        else
                                $system = 'Windows Seven';
                }
        }
        elseif ($system == 'Mac')
                $system = 'Macintosh';

        if (!$system)
                $system = 'Unknown';
        if (!$browser)
                $browser = 'Unknown';

        if (!$browser_img)
                $browser_img = $browser;

        $result = array(
                'system'                        => $system,
                'browser_img'           => $browser_img,
                'browser_version'       => $browser_version,
                'browser_name'          => $browser.' '.$browser_version
        );

        return $result;
}


function get_useragent_icons($useragent)
{
        $agent = get_useragent_names($useragent);

        $result = '<img src="'.ua_get_filename($agent['system'], 'system').'" title="'.forum_htmlencode($agent['system']).'" alt="'.forum_htmlencode($agent['system']).'" style="margin-right: 1px"/>';
        $result .= '<img src="'.ua_get_filename($agent['browser_img'], 'browser').'" title="'.forum_htmlencode($agent['browser_name']).'" alt="'.forum_htmlencode($agent['browser_name']).'" style="margin-left: 1px"/>';

        // addslashes is needed for javascript
        $description = addslashes($useragent) . '\n\nSystem:\t\t' . addslashes($agent['system']) .'\nPrzeglądarka:\t' . addslashes($agent['browser_name']);

        $result = '<span class="user-agent" onclick="alert(\'' . forum_htmlencode($description) . '\')">' . $result . '</span>';

        return $result;
}



function ua_chart($value, $max)
{
        $width = $value * 100 / $max;

        return '<div style="float: left; width: 70%; border: 1px solid #aaa; margin-right: 1%; padding: 0;"><div style="width: '.$width.'%; padding: 0; background: #ddd; border-right: 1px solid #aaa;">&nbsp;</div></div>';
}