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how to strip out part of a URL?

equentin
equentin asked
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Last Modified: 2008-03-17
Hi there ... i have a function that will replace the country code of a URL and works beautifully:

function getLanguageURL($lang) {
    $u = explode("/", $_SERVER['REQUEST_URI']);
    $u[1] = $lang;
    return implode("/", $u);
}

and is called thus: <a href="<?php echo getLanguageURL('fr'); ?>"><strong>France</strong></a>

however we are using expression engine CMS and some URLs contain a category id which is different for each language, ie:

www.site.com/en/index.php/section/C23/
OR
www.site.com/en/index.php/some_section/C23/article-name

how can i amend this function to completely strip out anything beyond "section", if it exisits, and just return:
www.site.com/en/index.php/section/

many thanks!!
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CERTIFIED EXPERT
Top Expert 2006

Commented:
What about:

return preg_replace('#/[^/]+section/#i', '/section/', implode('/', $u));

-r-

Author

Commented:

hey R,

thanks but maybe i should have mentioned that "section" is just a generic term. it could be "solutions", "news", "products" or "about", etc

also, the url could be longer, ie:

www.site.com/en/index.php/news/article/C18/merger-press-release/

and in this case i would want to return:

www.site.com/en/index.php/news/

does that make things drastically more complicated?
CERTIFIED EXPERT
Top Expert 2006
Commented:
Hi,

Is index.php in all urls?

Then you could use:

preg_replace('#(index.php/[^/]+).*#', '\1', implode('/', $u));

-r-

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Author

Commented:
perfect, thank you!
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