core-bundle/src/DependencyInjection/Configuration.php
private function canonicalize(string $value): string
    {
        $resolved = [];
        $chunks = preg_split('#([\\\\/]+)#', $value, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);

        for ($i = 0, $c = \count($chunks); $i < $c; ++$i) {
            if ('.' === $chunks[$i]) {
                ++$i;
                continue;
            }

            // Reduce multiple slashes to one
            if ('/' === $chunks[$i][0]) {
                $resolved[] = '/';
                continue;
            }

            // Reduce multiple backslashes to one
            if ('\\' === $chunks[$i][0]) {
                $resolved[] = '\\';
                continue;
            }

            if ('..' === $chunks[$i]) {
                ++$i;
                array_pop($resolved);
                array_pop($resolved);
                continue;
            }

            $resolved[] = $chunks[$i];
        }

        return rtrim(implode('', $resolved), '\/');
    }
private function canonicalize(string $value): string
    {
        $resolved = [];
        $chunks = preg_split('#([\\\\/]+)#', $value, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);

        for ($i = 0, $c = \count($chunks); $i < $c; ++$i) {
            if ('.' === $chunks[$i]) {
                ++$i;
                continue;
            }

            // Reduce multiple slashes to one
            if ('/' === $chunks[$i][0]) {
                $resolved[] = '/';
                continue;
            }

            // Reduce multiple backslashes to one
            if ('\\' === $chunks[$i][0]) {
                $resolved[] = '\\';
                continue;
            }

            if ('..' === $chunks[$i]) {
                ++$i;
                array_pop($resolved);
                array_pop($resolved);
                continue;
            }

            $resolved[] = $chunks[$i];
        }

        return rtrim(implode('', $resolved), '\/');
    }
private function canonicalize ( string $ value ) : string { $ resolved = [ ] ; $ chunks = preg_split ( '#([\\\\/]+)#' , $ value , - 1 , PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ) ; for ( $ i = 0 , $ c = \ count ( $ chunks ) ; $ i < $ c ; ++ $ i ) { if ( '.' === $ chunks [ $ i ] ) { ++ $ i ; continue ; } // Reduce multiple slashes to one if ( '/' === $ chunks [ $ i ] [ 0 ] ) { $ resolved [ ] = '/' ; continue ; } // Reduce multiple backslashes to one if ( '\\' === $ chunks [ $ i ] [ 0 ] ) { $ resolved [ ] = '\\' ; continue ; } if ( '..' === $ chunks [ $ i ] ) { ++ $ i ; array_pop ( $ resolved ) ; array_pop ( $ resolved ) ; continue ; } $ resolved [ ] = $ chunks [ $ i ] ; } return rtrim ( implode ( '' , $ resolved ) , '\/' ) ; }
Canonicalizes a path preserving the directory separators.
Canonicalizes a path preserving the directory separators .