Re: Working out the image path...partly solved, please have a look at my code

Hey Matt, > > /../imgs/blah.jpg should return > > http://www.textx.com/t1/t2/imgs/blah.jpg > > > > but its returning: > > http://www.textx.com/t1/t2/t3/imgs/blah.jpg > > > > and this: /../../imgs/blah.jpg > > should return: > http://www.textx.com/t1/imgs/blah.jpg > > > > but its returning: > > http://www.textx.com/t1/t2/imgs/blah.jpg > > > > in both cases one extra level directory :-( > > > > Any ideas? > ok, I gave it a try and honestly this is probably > over my head :) but > here is something to try Nope, no go...but dont worry about it, most of the PHP gurus on the list have not replied so I guess it was beyond them too....so where do we mere mortals have a chance :-D Will leave it as as for now and come back to it at a later date i guess. Thanks for trying. Mag > <?php > > $url='http://www.textx.com/t1/t2/t3/blah.html'; > > function ret_url($rel_path, $base = '') > { > $base_path = substr($base, 0, strpos($base, > '/',7)); > > if(substr($rel_path,0,1)=='/' && > strpos($rel_path,'/../') === false) > { > return $base_path.$rel_path; > } > > elseif(strpos($rel_path,'://') > 0) > { return $rel_path; } > > else { > return collapse(dirname($base),$rel_path); > } > > return $rel_path; > } > > /* this function removes the /../ parts */ > function collapse($path,$rel_path) > { > > $parsed = parse_url($path); > preg_match_all('/\/\.\./',$rel_path, $matches); > if(($count = count($matches[0])) > 0) { > $parts = preg_split('/\//', $parsed['path'], -1, > PREG_SPLIT_NO_EMPTY); > for ($i = 1;$i <= $count; $i++) { > array_pop($parts); > } > $path = str_replace($parsed['path'], > '/'.implode($parts,'/'), $path); > } > > $rel_path = (preg_match('/^\//',$rel_path)) ? > $rel_path :'/'.$rel_path; > $path = preg_replace('/\/\.\./', '', > $path.$rel_path); > > return $path; > } > > > $uris = array(); > $uris[] = '/blah.jpg'; > $uris[] ='/imgs/blah.jpg'; > $uris[] ='imgs/blah.jpg'; > $uris[] ='../imgs/blah.jpg'; > $uris[] ='/../imgs/blah.jpg'; // ## not working ## > $uris[] ='/../../imgs/test.jpg'; // ## not working > ## > $uris[] ='http://some-site-blah.com/imgs/blah.jpg'; > > echo '<table border=1>'; > foreach($uris as $uri) > { > echo '<tr><td>'.htmlspecialchars($uri).'</ > td><td>'.htmlspecialchars(ret_url($uri,$url)).'</td></tr>'; > } > echo '</table>'; > ?> > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > ===== ------ - The faulty interface lies between the chair and the keyboard. - Creativity is great, but plagiarism is faster! - Smile, everyone loves a moron. :-) __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail