Anyone Using Botspotter Script?

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Is anyone using the Botspotter script?

it looks awesome but the PHP code they provide generates an error for me...

Parse error: parse error, unexpected T_VARIABLE in botspotter.php on line 3


... and some of the PHP syntax they use appears quite foriegn to me (as a novice at php coding)

Can anyone see an obvious error around line 3 in this lot?

PHP Code:

<?php// Script Date: 09 Jan 2004
// your botspotter login name
$bsName = 'usercode';

// change nothing below this line
function getURI()  {
     global $HTTP_SERVER_VARS;
    $url = '/';
    if ( !empty($HTTP_SERVER_VARS['PHP_SELF'])) 
      $url = $HTTP_SERVER_VARS['PHP_SELF'];
    elseif ( isset ( $HTTP_SERVER_VARS['SCRIPT_URI']) && !empty($HTTP_SERVER_VARS['SCRIPT_URI'])) 
        $url = $HTTP_SERVER_VARS['SCRIPT_URI'];
    if ( isset( $HTTP_SERVER_VARS['QUERY_STRING'] ) && $HTTP_SERVER_VARS['QUERY_STRING'] != "") 
      $url .= '?'.$HTTP_SERVER_VARS['QUERY_STRING']; 

    return $url;
  }//function getURI()
  
  function getPageStatus()  {
    global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
    if (isset($HTTP_ENV_VARS['REDIRECT_STATUS'])) return $HTTP_ENV_VARS['REDIRECT_STATUS'];
    else if (isset($HTTP_SERVER_VARS['REDIRECT_STATUS'])) return $HTTP_SERVER_VARS['REDIRECT_STATUS'];
    else return '200';
  }//function getPageStatus()
$status = getPageStatus();
$url = 'http://www.pcpropertymanager.com/botspotter/accept.php'
        . '?server=' . urlencode( $HTTP_SERVER_VARS['SERVER_NAME'])
        . '&uri=' . urlencode( getURI())
        . '&agent=' . urlencode( $HTTP_SERVER_VARS['HTTP_USER_AGENT'])
        . '&ip=' . urlencode( $HTTP_SERVER_VARS['REMOTE_ADDR'])
        . "&account={$bsName}"
        . '&status=' . $status;

$fp = @fopen($url, "r") or die ("\n<a href='http://www.pcpropertymanager.com/botspotter/home.php' target='_blank'>Botspotter</a> <a href='{$url}'>disabled</a>\n");
if ($fp != false) {
  fpassthru($fp);
  fclose($fp);
}

$url = 'http://www.pcpropertymanager.com/botspotter/accref.php'
        . '?server=' . urlencode( $HTTP_SERVER_VARS['SERVER_NAME'])
        . '&uri=' . urlencode( getURI())
        . "&account={$bsName}"
        . '&ref=' . urlencode($HTTP_SERVER_VARS['HTTP_REFERER']);
        
fclose(fopen($url, 'r'));
?>