htaccess-html to php

RewriteEngine on
Options +FollowSymlinks
RewriteCond %{HTTP_REFERER} http://www.example.com/ca_2010_workblert/
# avoid listing of folders
Options -Indexes
ErrorDocument 500 /error_page.php
ErrorDocument 404 /error_page.php
ErrorDocument 401 /error_page.php
ErrorDocument 403 /error_page.php
RewriteRule about.html about.php
RewriteRule Benefits.html Benefits.php
RewriteRule Tour.html Tour.php
RewriteRule Pricing.html Pricing.php
RewriteRule Tryit.html Tryit.php


RewriteRule http://example.com.tr/checkout_payment.php https://example1.com.tr/checkout_payment.php
RewriteRule http://example.com.tr/checkout_confirmation.php https://example.com.tr/checkout_confirmation


checkout_confirmation.php?osCsid=f1fd33b7879b1f8ced6171a20604128a