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tsNetClose
tsNetInit

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on mouseup
   put "www.google.com" into pSelectedURL
   put checkURLAvailable (pSelectedURL) into tConnectionYN
   answer tConnectionYN
end mouseup

=========
function checkURLAvailable pSelectedURL    
   put  tsNetHeadSync(pSelectedURL, tSentHeaders, tResult, tBytes)  into tHeaders  # into tHeaders
   ## get url pSelectedURL
   if  (tResult < 400) then
      return "Ok"
   else
      return "Offline or Low Bandwidth or not a valid url or url not accessible!"
   end if
end checkURLAvailable
========

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# where ever you are testing from...
	put shell("ping www.google.com -c1") into tConn
	if "1 received" is not among the words of tConn then answer "You have no connection"
# continue your code...	

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on mouseUp
   put shell("ping " & field 1 &" -c1") into field 2
   if matchText( field 2,"1 received") is false then answer "No Connection"
end mouseUp

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on mouseUp
   put shell("ping " & field 1 &" -c1") into field 2
   if matchText( field 2,"1 packets received") is false then answer "No Connection" else answer "You are connected."
end mouseUp

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function getPingDelay
   // return 0 if not available connection
   put "ping google.com -c1  | sed '$!d;s|.*/\([0-9.]*\)/.*|\1|'" into cmd
   get shell(cmd)
   if (it is not a number) then
      return 0 // instead of an error string
   else return it
end getPingDelay

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function INTest withTime
   --  put "myDomain.org/myip.php" into gName_IPURL (if you don't have it in a global)
   if withTime then                           -- return IP & latency 
      put the millisecs into t1
      put url gName_IPURL into myIP
      put the millisecs - t1 into t2
      return myIP & CR & t2
   else                                       --  return IP only
      return url gName_IPURL
   end if
end INTest

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<?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();
echo $user_ip; // Output IP address [Ex: 177.87.193.134]
?>

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   if URL aKnownGoodURL is empty then youAreOffLine