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  1. #1
    Regular Coder
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    Can't get mod_rewrite to work correctly

    Hi there,

    I'm trying to set up mod_rewrite rules to clean up my URL's.

    I have a page colours.php which can hold any of the following vars:

    colours.php?s=1
    colours.php?s=2
    colours.php?s=3

    I would like to display these as

    colours/red
    colours/green
    colours/blue

    Now I've been trying for quite a while and I just cant seem to get it to recognise the pattern when I include the colour.

    However, as a test to see if RewriteRules were working, I tried just setting the base page to direct to colour 3 using the following:

    Code:
    RewriteRule (.*)colours(.*)$ colours.php?s=3
    and this works fine.

    As soon as I add the specific colour in the pattern however, it stops working and gives me a 500 Internal Server Error:

    Code:
    RewriteRule (.*)colours/blue(.*)$ colours.php?s=3
    If anyone could point out what I'm doing wrong I'd greatly appreciate it! Thanks

  • #2
    God Emperor Fou-Lu's Avatar
    Join Date
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    Saskatoon, Saskatchewan
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    Colour => number map it PHP side. Ignore the 1-3.
    Code:
    RewriteEngine on
    RewriteRule colours/([^/]+)/?$ colours.php?s=$1
    PHP side:
    PHP Code:
    <?php

    if (isset($_GET['s']))
    {
        switch (
    $_GET['s'])
        {
            case 
    1:
            case 
    'red'// PHP can switch on strings.
                
    print 'provided "red"';
                break;
            case 
    2:
            case 
    'green':
                print 
    'provided "green"';
            break;
            
    //. . .
        
    }
    }
    You can use a db or array as well. The idea is that you can match either the number or the corresponding name. If you only have RGB, I'd suggest leaving it as just a switch since that'll make it easier.
    Now you should be able to use colours/blue or colours/2 and result in the same output.

    Try that.
    PHP Code:
    header('HTTP/1.1 420 Enhance Your Calm'); 
    Been gone for a few months, and haven't programmed in that long of a time. Meh, I'll wing it ;)

  • #3
    New to the CF scene
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    Hi,

    I am using WAMP with Drupal 7. I enabled the mod_rewrite module in httpd.conf to enable clean url's in drupal however since then I am unable to run my website due to 500 internal server error. When checked the Apache log I see ".htaccess: RewriteRule: bad flag delimiters". I am unable to figure out the reason for this error.

    Below is the content for .htaccess placed in website root

    Code:
    #
    # Apache/PHP/Drupal settings:
    #
    
    # Protect files and directories from prying eyes.
    <FilesMatch "\.(engine|inc|info|install|make|module|profile|test|po|sh|.*sql|theme|tpl(\.php)?|xtmpl)(|~|\.sw[op]|\.bak|\.orig|\.save)?$|^(\..*|Entries.*|Repository|Root|Tag|Template)$|^#.*#$|\.php(~|\.sw[op]|\.bak|\.orig\.save)$">
      Order allow,deny
    </FilesMatch>
    
    # Don't show directory listings for URLs which map to a directory.
    Options -Indexes
    
    # Follow symbolic links in this directory.
    Options +FollowSymLinks
    
    # Make Drupal handle any 404 errors.
    ErrorDocument 404 /index.php
    
    # Set the default handler.
    DirectoryIndex index.php index.html index.htm
    
    # Override PHP settings that cannot be changed at runtime. See
    # sites/default/default.settings.php and drupal_environment_initialize() in
    # includes/bootstrap.inc for settings that can be changed at runtime.
    
    # PHP 5, Apache 1 and 2.
    <IfModule mod_php5.c>
      php_flag magic_quotes_gpc                 off
      php_flag magic_quotes_sybase              off
      php_flag register_globals                 off
      php_flag session.auto_start               off
      php_value mbstring.http_input             pass
      php_value mbstring.http_output            pass
      php_flag mbstring.encoding_translation    off
    </IfModule>
    
    # Requires mod_expires to be enabled.
    <IfModule mod_expires.c>
      # Enable expirations.
      ExpiresActive On
    
      # Cache all files for 2 weeks after access (A).
      ExpiresDefault A1209600
    
      <FilesMatch \.php$>
        # Do not allow PHP scripts to be cached unless they explicitly send cache
        # headers themselves. Otherwise all scripts would have to overwrite the
        # headers set by mod_expires if they want another caching behavior. This may
        # fail if an error occurs early in the bootstrap process, and it may cause
        # problems if a non-Drupal PHP file is installed in a subdirectory.
        ExpiresActive Off
      </FilesMatch>
    </IfModule>
    
    # Various rewrite rules.
    <IfModule mod_rewrite.c>
      RewriteEngine on
    
      # Set "protossl" to "s" if we were accessed via https://.  This is used later
      # if you enable "www." stripping or enforcement, in order to ensure that
      # you don't bounce between http and https.
      RewriteRule ^ - [E=protossl
      RewriteCond %{HTTPS} on
      RewriteRule ^ - [E=protossl:s]
    
      # Block access to "hidden" directories whose names begin with a period. This
      # includes directories used by version control systems such as Subversion or
      # Git to store control files. Files whose names begin with a period, as well
      # as the control files used by CVS, are protected by the FilesMatch directive
      # above.
      #
      # NOTE: This only works when mod_rewrite is loaded. Without mod_rewrite, it is
      # not possible to block access to entire directories from .htaccess, because
      # <DirectoryMatch> is not allowed here.
      #
      # If you do not have mod_rewrite installed, you should remove these
      # directories from your webroot or otherwise protect them from being
      # downloaded.
      RewriteRule "(^|/)\." - [F]
    
      # If your site can be accessed both with and without the 'www.' prefix, you
      # can use one of the following settings to redirect users to your preferred
      # URL, either WITH or WITHOUT the 'www.' prefix. Choose ONLY one option:
      #
      # To redirect all users to access the site WITH the 'www.' prefix,
      # (http://example.com/... will be redirected to http://www.example.com/...)
      # uncomment the following:
      # RewriteCond %{HTTP_HOST} .
      # RewriteCond %{HTTP_HOST} !^www\. [NC]
      # RewriteRule ^ http%{ENV:protossl}://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
      #
      # To redirect all users to access the site WITHOUT the 'www.' prefix,
      # (http://www.example.com/... will be redirected to http://example.com/...)
      # uncomment the following:
      # RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
      # RewriteRule ^ http%{ENV:protossl}://%1%{REQUEST_URI} [L,R=301]
    
      # Modify the RewriteBase if you are using Drupal in a subdirectory or in a
      # VirtualDocumentRoot and the rewrite rules are not working properly.
      # For example if your site is at http://example.com/drupal uncomment and
      # modify the following line:
      # RewriteBase /drupal
      #
      # If your site is running in a VirtualDocumentRoot at http://example.com/,
      # uncomment the following line:
      # RewriteBase /
    
      # Pass all requests not referring directly to files in the filesystem to
      # index.php. Clean URLs are handled in drupal_environment_initialize().
      RewriteCond %{REQUEST_FILENAME} !-f
      RewriteCond %{REQUEST_FILENAME} !-d
      #RewriteCond %{REQUEST_URI} !=/favicon.ico
      RewriteRule . index.php [L]
    
      # Rules to correctly serve gzip compressed CSS and JS files.
      # Requires both mod_rewrite and mod_headers to be enabled.
      <IfModule mod_headers.c>
        # Serve gzip compressed CSS files if they exist and the client accepts gzip.
        RewriteCond %{HTTP:Accept-encoding} gzip
        RewriteCond %{REQUEST_FILENAME}\.gz -s
        RewriteRule ^(.*)\.css $1\.css\.gz [QSA]
    
        # Serve gzip compressed JS files if they exist and the client accepts gzip.
        RewriteCond %{HTTP:Accept-encoding} gzip
        RewriteCond %{REQUEST_FILENAME}\.gz -s
        RewriteRule ^(.*)\.js $1\.js\.gz [QSA]
    
        # Serve correct content types, and prevent mod_deflate double gzip.
        RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1]
        RewriteRule \.js\.gz$ - [T=text/javascript,E=no-gzip:1]
    
        <FilesMatch "(\.js\.gz|\.css\.gz)$">
          # Serve correct encoding type.
          Header set Content-Encoding gzip
          # Force proxies to cache gzipped & non-gzipped css/js files separately.
          Header append Vary Accept-Encoding
        </FilesMatch>
      </IfModule>
    </IfModule>
    Please help. Thanks in advance.

  • #4
    New Coder
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    Feb 2013
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    Liverpool
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    The problem is going to be in your .htaccess file - confirm it by uploading the original drupal one (or download the drupal zip again and get it there) and ensure everything works fine.

    If the problem resides in your htaccess file then let me know and I'll take a closer look for you.


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