note 101471 added to function.realpath

Just as "jpic" I did search exactly the opposite of "realpath()" and didn't find anything implemented. So I tried his code but it fails if two directories have the same name but aren't contained in the same parent-directory (i.e. getRelativePath("/some/directory", "/another/directory") does return "../some" which is obviously incorrect). Besides his code isn't really effective. So here is my fixed, smaller and (on average) 4.8 times faster code: <?php function relpath($sPath, $sBase){ $sPath = trim($sPath, '/'); $aBase = explode('/', trim($sBase, '/')); $aReturn = array(); while(strpos($sPath.'/', implode('/', $aBase).'/') !== 0 && array_pop($aBase) !== NULL) $aReturn[] = '..'; $sStaticPart = empty($aReturn) ? '' : implode('/', $aReturn).'/'; return($sStaticPart.trim(substr($sPath, strlen(implode('/', $aBase))), '/')); } ?> ---- Server IP: 69.147.83.197 Probable Submitter: 93.219.190.244 ---- Manual Page -- http://www.php.net/manual/en/function.realpath.php Edit -- https://master.php.net/note/edit/101471 Del: integrated -- https://master.php.net/note/delete/101471/integrated Del: useless -- https://master.php.net/note/delete/101471/useless Del: bad code -- https://master.php.net/note/delete/101471/bad+code Del: spam -- https://master.php.net/note/delete/101471/spam Del: non-english -- https://master.php.net/note/delete/101471/non-english Del: in docs -- https://master.php.net/note/delete/101471/in+docs Del: other reasons-- https://master.php.net/note/delete/101471 Reject -- https://master.php.net/note/reject/101471 Search -- https://master.php.net/manage/user-notes.php