Aşağıdaki gibi sonsuz döngüye giriyor kod nedendir?

PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65
PHP Warning:  fread() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 66
PHP Warning:  feof() expects parameter 1 to be resource, boolean given in /var/www/vhosts/xxxxx/cloud1/functions/xxxxx.php on line 65^C
hata verdiği kod fonksiyonu ise ;

  function makeValidationCall(){
                if($this->CallUrl != '' && $this->Uri != '' && $this->Output != ''){
                        $handle = fopen($this->CallUrl, "rb");
                        $contents = '';
                        while (!feof($handle)) {
                                $contents .= fread($handle, 8192);
                        }
                        fclose($handle);
                        $this->Feedback = $contents;
                        sleep($this->Sleep);
                        return $contents;
                } else {
                        return false;
                }
        }