src/Composer/Util/Filesystem.php
public function relativeSymlink($target, $link)
    {
        $cwd = getcwd();

        $relativePath = $this->findShortestPath($link, $target);
        chdir(dirname($link));
        $result = @symlink($relativePath, $link);

        chdir($cwd);

        return $result;
    }
public function relativeSymlink($target, $link)
    {
        $cwd = getcwd();

        $relativePath = $this->findShortestPath($link, $target);
        chdir(dirname($link));
        $result = @symlink($relativePath, $link);

        chdir($cwd);

        return $result;
    }
public function relativeSymlink ( $ target , $ link ) { $ cwd = getcwd ( ) ; $ relativePath = $ this -> findShortestPath ( $ link , $ target ) ; chdir ( dirname ( $ link ) ) ; $ result = @ symlink ( $ relativePath , $ link ) ; chdir ( $ cwd ) ; return $ result ; }
Creates a relative symlink from $link to $target

@param  string $target The path of the binary file to be symlinked
@param  string $link   The path where the symlink should be created
@return bool
Creates a relative symlink from $link to $target