PHP base_url returning site, append variable strings to it? [closed]

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I'm trying to use PHP to generate a URL, from a database.

This is the script so far:开发者_JS百科 (snippet)

$data['url'] = site_url('/'.$row['pid']);

That shows http://www.domain.com/index.php/pid-variable-from-SQL

I'm trying to use base_url to return the same URL except without the index.php part. It works, except chops off the /pid-stuff part.

Any help? Or why does this code not work?

$data['url'] = base_url('/'.$row['pid']);

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You could use regex to pluck out the index.php part of the URL.

$data['url'] = preg_replace("/(^http:\/\/.*?)\/(.*?)(\/.*)/", '$1$3', site_url('/'.$row['pid'])); //Should return http://www.domain.com/pid-variable-from-SQL