How you can redirect existing hyperlink to new url?
Sample : I've www.a.com/help.php
in the search enginesOrgoogle : when customer follow this link "www.a.com/help.php" on address bar instantly change be www.a.com/help.
Because inshtaccess I had been rewrite www.a.com/help which condiction is success.
The issue is how you can change instantly on address bar www.a.com/help.php --> www.a.com/help
Using .htaccess or any other methods?
You could utilize
<?php header("Location: http://www.a.com/help");
Which should alter the addressbar.
With .htaccess you could attempt
redirect 301 /help.php /help
Here read more about htaccess redirect