CodeIgniter handle URL segments -


i keep thinking how deal urls , pages ci can't think way this.

i'm trying handle url this:

site.com/shop (shop controller) site.com/shop/3 (page 3) site.com/shop/cat/4 (categorie , page 4) site.com/shop/cat/subcat/3 (cat & subcat & page)

is there way ?

you create controller functions handle:

  • shop , shop pages
  • categories , category pages
  • subcategories , subcategory pages

controller functions

in shop controller have following functions:

function index($page = null) {     if ($page === null)     {         //load default shop page     }     else  //check if $page number (valid parameter)     {         //load shop page supplied parameter     } }  function category($category = null, $page = 1) {     //$page page number displayed, default 1     //don't trust values in url, validate them }  function subcategory($category = null, $subcategory = null, $page = 1) {     //$page page number displayed, default 1     //don't trust values in url, validate them }

routing

you setup following routes in application/config/routes.php. these routes map urls appropriate controller functions. regex allow values

//you may want change regex, depending on category values allowed  //example: site.com/shop/1     $route['shop/(:num)'] = "shop/index/$1";     //example: site.com/shop/electronics   $route['shop/([a-z]+)'] = "shop/category/$1";  //example: site.com/shop/electronics/2  $route['shop/([a-z]+)/(:num)'] = "shop/category/$1/$2";  //example: site.com/shop/electronics/computers $route['shop/([a-z]+)/([a-z]+)'] = "shop/subcategory/$1/$2";  //example: site.com/shop/electronics/computers/4  $route['shop/([a-z]+)/([a-z]+)/(:num)'] = "shop/subcategory/$1/$2/$3";

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