ProCacheHtaccess::htaccess method   
Check if current .htaccess file needs any updates and return them if so
Also maintains an example completed file
Usage
$string = $procache->htaccess->checkHtaccessFile();Return value
string Return blank string if no updates needed or return string of data needed for manual update
$procache->htaccess methods and properties
API reference based on ProcessWire core version 3.0.252