File: .htaccess

LoadModule rewrite_module modules/mod_rewrite.so



RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)\?*$ index.php/$1 [L,QSA]



RewriteEngine on

# if a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# otherwise forward it to index.php
RewriteRule . index.php





File : conifg/main.php

'urlManager'=>array(
    'urlFormat'=>'path',
    'showScriptName'=>false,
     'caseSensitive'=>false,        
),

http://www.yiiframework.com/wiki/214/url-hide-index-php/

Hiding index.php from url

yii hide index.php

apache

Apache