.htaccess

RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

#For removing extension as Options +MultiViews not working with RewriteRule
RewriteRule ^([a-zA-Z0-9_]+)$ $1.php [QSA,NC,L]

RewriteRule ^profile/([a-zA-Z0-9._@\-]+)$ profile.php?u=$1 [QSA,NC,L]
RewriteRule ^profile/ profile.php [QSA,NC,L]

RewriteRule ^groups/([0-9]+)$ groups.php?grp=$1 [QSA,NC,L]
RewriteRule ^groups/ groups.php [QSA,NC,L]

RewriteRule ^view_post/([a-zA-Z0-9]+)$ view_post.php?post=$1 [QSA,NC,L]

ErrorDocument 404 /Faiyaz/Instagram/404.php

#DirectoryIndex Options +Indexes

<FilesMatch ".(htaccess)">
  order allow,deny
  deny from all
</FilesMatch>

#Options +MultiViews

IndexIgnore *