I've build a set of mod_rewrite rules but I have a problem.
For example, I have the following url rewritten: http://dummydomain.com/category/something.html that points to http://dummydomain.com/index.php?page=category&thing=something. If I put GET params in the first url I don't get them in my php program. How can I tweak this?
Add the [QSA] ("query string append") flag at the end of your rules.
Related
Please can any one suggest how to shorten the url
http://localhost:8080/MyWebApp/index.php/Cpanel_control/
to
http://localhost:8080/MyWebApp/Cpanel
in Codeigniter using routes.
I tried it in this way
$route['Cpanel'] = "MyWebApp/index/Cpanel_control";
But did not work
To remove index.php from your url in CI, you need .htaccess file.
Check this out https://gist.github.com/philipptempel/4226750
I'm assuming Cpanel_control is a valid controller.
For the routing, you can have this in your routes settings
$route['Cpanel'] = "Cpanel_control";
To avoid any other issues, make sure base_url in config file is set thus
$config['base_url'] = "http://localhost:8080/MyWebApp";
New Approach
Routing:
In some instances, however, you may want to remap this relationship so
that a different class/method can be called instead of the one
corresponding to the URL.
A short excerpt from the CI doc shows that you can't use routing here. Instead you should go for a mod_rewrite rule (.htaccess)
RewriteEngine On
RewriteRule ^index/Cpanel_control/(.*) Cpanel/$1 [R]
Old approach
According to the corresponding documentation, the paths are both not absolute. Furthermore, you need to set the "from"-URI as the array key and the "to" URI as the string. If you want to route index/Cpanel_control to Cpanel, you need to swap the URIs of you example.
So this would be correct:
$route['index/Cpanel_control'] = "Cpanel";
I'm trying to do a mod rewrite to get this url: localhost/test/index.php?hello
I created a file for this page called hello.php and it is in the folder /test
To clarify, I have another page that has a link to my hello.php, but what is the correct url so I can display localhost/test/index.php?hello in the url when I click the link to access my hello.php page.
The following doesn't seem like it is right:
RewriteRule ^.*$ index.php?$1 [L]
Try this if you want to just do php files.
RewriteEngine on
RewriteRule (.*)\.php$ /index.php?$1 [L]
To clarify what my answer does. It gives you more friendly URLs which it sounded like what your were asking for.
So you can use localhost/hello.php and it will be internally redirect to /localhost/index.php?hello. Internally means they will never see localhost/index.php?hello and will always see localhost/hello.php in their browser.
You can do any URL and it will rewrite to a php file. e.g. localhost/index.php?newpage and you can use /localhost/newpage.php
Hope that is clearer.
EDIT
You want the reverse but I don't know how your PHP is constructed but query strings are typically field/value pairs. For example name=john, page=contact, action=hello etc. You have index.php?hello but hello has no content or value.
That's probably why you're having such a hard time even re-writing your URL. Using $_GETwould require a value.
So what I would do, is if your URL was like this using field/value pairs
index.php?action=hello
Then in the index.php file you could do something like
$action = $_GET["action"];
if($action == "hello"){
//show contents of hello, include a page or whatever
}
Once you have good URLs it would be easy to rewrite it.
So if the URL that you want shown is like
index.php?action=hello and you want to redirect it to hello.php
Your .htaccess would look like this
RewriteRule ^action=([^/]+) /$1.php [R,L]
That would redirect it to the php file. If you don't want to show the redirection and keep it an internal redirect you can remove the R flag and just keep [L].
I personally don't want the user to see really long query strings URL example. mysite.com?page=music&artist=someartist&title=sometitle
So all my URL's are rewritten to be shorter and friendlier like my original answer.
you don't need .htaccess for 2. as far as you're using GET parametr - use it in index.php:
if (isset($_GET['hello'])) include('hello.php');
this will show the contents of hello.php inside index.php
I am attempting to make it where faculty or students at my library that have a pmid number for PubMed, and want to share the link with others could do it by just remembering our url, and adding the pmid to the end of our url, with the identifier p.
This is where mod_rewrite comes in it would drop off the url: site.com/p/112233444 but keep 112233444 and then add it to the end of linkresolver.com/112233444
The rule that I have come up with is:
RewriteRule ^/p/(.*)$ linkresolver.com=$1
First, is this possible I control the library domain, but I am not in control of the second url that I am attempting to add the PMID to.
Second, this is my first attempt at mod_rewrite so if I am way let me know I have looked at Apache's documentation. I know it is really powerful complex tool, so my rewrite rule just seems off.
Any help would be greatl
Does this work?
RewriteRule ^p/(.*)$ http://linkresolver.com/$1 [R]
I have tried this with both mod_jk and mod_proxy and get the same result.
Using this mod_rewrite rule works fine:
RewriteRule ^/(.*)\-blah.html$ /blah/blah/blah?blah=l2vb&party_name=$1 [R,L]
The trouble with this is the ugly new URL /blah/blah/blah?blah=l2vb&party_name is displayed in the address line of the browser, which is what I'd hoped to avoid. It seems to be the [R] flag that does this.
The following rule hides the ugly URL and displays only the new pretty one:
RewriteRule ^/(.*)\-blah.html$ /blah/blah/blah?blah=l2vb&party_name=$1 [P,L]
NB: The only difference here is the flags at the end between the [].
The trouble is that if the user already had something in their shopping cart it gets emptied. Somehow their connect session (or whatever it is - rather out of my depth here!) gets re-initialised so they appear to be starting from scratch.
I have tried several other combinations of flags, like [PT,L], [R,PT] etc and had no luck so far.
The [R] flag means 302 Redirect Code, which obviously changes the URL in a browser.
I think you need QSA flag:
RewriteRule ^/(.*)\-blah.html$ /blah/blah/blah?blah=l2vb&party_name=$1 [QSA,L]
QSA flag will preserve existing query string (to be more precise, will append it to the new URL) .. which otherwise gets lost as you DO manipulate with query string. I think session ID or something may be passed via query string .. and when URL gets rewritten it is lost, so server creates new session. If that is the case, then the above should solve your problem.
Apache documentation: http://httpd.apache.org/docs/current/rewrite/flags.html#flag_qsa
I have a url eg. www.example.com/user.php?user_id=9 , where the user_id field maps to one of the pk in the user table . I don't want the url to be like this , instead i want to have a url like www.example.com/user/Aditya-Shukla.i am using apache 2 and I understand that mod-rewrite module has sets of rewriting rules which can be used to create url alias.
My question is
I have all href in the form www.example.com/user.php?user_id=9. So to change the url I suppose i have to change all the href's to the www.example.com/user/Aditya-Shukla and for rewriting the rule do a query to get a record?
Is there a better solution .
No, mod_rewrite does not have sets of rewriting rules. It rather provides directives to build rules based on regular expression patterns that can be combined with additional conditions.
In your case you would build a rule that takes any requested URL path that starts with /user/ and has another path segment following and rewrites it internally to your user.php, like:
RewriteEngine on
RewriteRule ^/user/([^/]+)$ /user.php?name=$1
The first directive RewriteEngine on is just to enable mod_rewrite. And the second directive RewriteRule … is the rule as described above: ^/user/([^/]+)$ is the pattern that matches any URL path that starts with /user/ (i.e. ^/user/) and that is followed by one path segment (i.e. ([^/]+)$). That request is then rewritten internally to /user.php while the matched path segment behind the /user/ is used as a parameter value for the name parameter ($1 is a reference to the matched value of the first group denoted with (…)).
So this will rewrite a request of /user/Aditya-Shukla internally to /user.php?name=Aditya-Shukla. You can then use that user name and look it up in your table.
You can either add a RewriteRule that will rewrite user/Aditya-Shukla to user.php?user_name=Aditya-Shukla and handle the rest in your code.
RewriteEngine On
RewriteRule ^user/(.*)$ user.php?user_name=$1
Or using a RewriteMap directive to lookup usernames, which will allow to rewrite user/Aditya-Shukla directly to user.php?user_id=9
I presume that within your own site you will always create the canonical form of the URL, i.e.:
/user/Aditya-Shukla
...and you are just having to deal with outside links that are not in canonical form, i.e. "old links" like:
www.example.com/user.php?user_id=9
mod_rewrite may not be suitable for remapping in this situation. I am presuming you may have very many users, and that number may grow. mod_rewrite does have a RewriteMap directive and yes there are ways to generate your map dynamically, but I don't think that would be a good design (to dynamically create a map of userId-to-userName dynamically every time your rewrite rule matches...)
Instead you should simply write your user.php code to lookup the correct userName, assemble the canonical form of URL you want, and send a redirect back to the client. Something like:
Header( "HTTP/1.1 301 Moved Permanently" );
Header( "Location: http://www.example.com/user/Aditya-Shukla" );
You should probably also use a 301 redirect (instead of 302) to indicate this is a "permanent" URL change, which will help search bots index your site correctly if it encounters an "old style" URL out there.
-broc