php - how to make codeigniter dynamic url search engine friendly -

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question: how make codeigniter dynamic url search engine friendly?

example: 1

my current url: after selecting menu called "articles"

http://localhost/lw_user/home_control/getmenu/52

expected url: 

    http://localhost/articles

example:2 my current url: after selecting sub-menu called "thehindu" under menu "articles"

http://localhost/lw_user/home_control/getpage/6

expected url:

http://localhost/articles/thehindu

note: dynamic url , contents fetching database

what talking called slug.

so, how use slug?

will explain example:
url - http://www.example.com/products/apple-iphone-5s-16gb-brand-new/

1) assuming having product page , ofcourse product page needs data url understand product display.
2) before querying our database using id getting url. we'll same thing (querying our database) replacing id slug , thats it!
3) hence adding additional column in database named slug. below updated product database structure (just example).

columns                       values  id (int(11), pk)              1 title (varchar(1000))         apple iphone 5s 16gb slug (varchar(1000))          apple-iphone-5s-16gb-brand-new price (varchar(15))           48000 thumbnail (varchar(255))      apple-iphone-5s-16gb-brand-new.jpg description (text)            blah blah ... ...


i've answered on slug before. check if helps.
how remove params url codeigniter
codeigniter - seo friendly url structure (slug implementation)


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