Routes file in codeigniter

If you use back-references you must use the dollar syntax rather than the double backslash syntax. With regular expressions, you can also catch multiple segments at once.

For example, if a user accesses a password protected area of your web application and you wish to be able to redirect them back to the same page after they log in, you may find this example useful:.

You can also use callbacks in place of the normal routing rules to process the back-references. It is possible to use HTTP verbs request method to define your routing rules. This is particularly useful when building RESTful applications.

HTTP verb rules are case-insensitive. All you need to do is to add the verb as an array key to your route. This route points to the action that should be executed if the URI contains no data, which will be the case when people load your root URL. In the above example, it is Welcome::index that would be called. In this method, you can add any type of extension such as.

After adding. In this method of routes, you can pass the parameters from URL to the controller. For example:. Here, In the above function we are passing the parameter in the URL. Now execute the above program.

It shows the output, as shown below. Join YouTube Channel. Routing path in the CodeIgniter The routes. Previous Next? Pin It on Pinterest. The lines on the right of equals sign are controllers and controller pointing to the method they are calling and the lines on the left side of equals sign defines its route where it is going or the url which is shown. Therefore, in our scenario. After all the routes are set, make a controller for the blog that will respond to the routes specified above.

Here Blog controller defines all the methods we mentioned in the routes i. Inside update. Open up the browser and try the following. For example: www. How does it work? You just created your route. Usage of Routes: To build large applications with complex URLs including all routing paths along with the fetching of id makes the URL messy and is not at all user-friendly, also it is not at all Search Engine Friendly.

Ex: example.