.htaccess is the most useful file when we are working with php and apache. The directory level configuration of Apache server software is provided via .htaccess (Hypertext access) files. htaccess files defines mostly all the things like server settings , redirections and all.

we can do several redirection by using few code below . Redirection can be -

1-301 Redirect If you want to redirect any old page to new page, just copy the code below and paste it in .htaccess file which should present in your root folder.

Redirect 301 /old/file.html http://yourdomain.com/new/file.html

If you want to redirect the whole url into now

Redirect 301 / http://newdomain.com

2-non www to www redirection

RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^yourdomain.com [NC]
RewriteRule ^(.*)$ http://www.yourdomain.com/$1 [L,R=301]

3- www to non www redirection

RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^www.yourdomain.com [NC]
RewriteRule ^(.*)$ http://yourdomain.com/$1 [L,R=301]

4-http to https redirection

RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

5-https to http redirection

RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}

6-Custom Error Pages

ErrorDocument 404 /404.php