public function adjust_path($mroot, $fname)
{
$result = null;
if (file_exists($fname->filename)) {
$result = pathDiff($fname->filename, $mroot);
} else {
if (file_exists($mroot . $fname->filename) || file_exists($mroot . DIRECTORY_SEPARATOR . $fname->filename)) {
$result = trim(toUrlPath($fname->filename), "/");
}
}
return $result;
}
/**
* Returns relative path from two directories with full path
*
* @param string $path1
* @param string $path2
* @return string
*/
function pathDiff($path1, $path2)
{
toUrlPath($path1);
toUrlPath($path2);
$result = "";
$bl2 = strlen($path2);
$a = strpos($path1, $path2);
if ($a !== false) {
$result = trim(substr($path1, $bl2 + $a), '/');
}
return $result;
}