Warning: require_once(class.inputfilter.php): Failed to open stream: No such file or directory in C:\inetpub\wwwroot\taxes\eq_rate.php on line 7

Fatal error: Uncaught Error: Failed opening required 'class.inputfilter.php' (include_path='.;C:\php\pear') in C:\inetpub\wwwroot\taxes\eq_rate.php:7 Stack trace: #0 {main} thrown in C:\inetpub\wwwroot\taxes\eq_rate.php on line 7