What does this Rewrite rule mean?

http .htaccess rewrite rule
streetparade picture streetparade · Jan 15, 2010 · Viewed 11.7k times · Source

Im installing phpancake, there is a folder there shema like this

application/
install/
library/
public/
sql_schema/
install.html
install.php

What does this rule mean?

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^.*$ - [NC,L]
RewriteRule ^.*$ /vote/public/index.php [NC,L]

Answer

Tatu Ulmanen picture Tatu Ulmanen · Jan 15, 2010

The rewrite has two parts. The first one specifies that if the requested filename is a regular file with a size greater than 0 (-s), a symbolic link (-l) or a directory (-d), rewrite to nowhere, eg. take no action. [NC,L] means that the rule is non case sensitive and the last rule that these conditions match.

All other requests are forwarded to /vote/public/index.php.

The purpose of this rewrite is that an actual, existing file can be fetched from the server without interference. Without the first rule, every file request (css and js files, images etc) would go to index.php which would mess things up pretty badly.

Usually this is written in one declaration, though. You can negate the conditions, and then the [OR] statemens can be taken out also:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-s
RewriteCond %{REQUEST_FILENAME} !-l
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^.*$ /vote/public/index.php [NC,L]

This is equivalent to the original statement.

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