$date = date('Y-m-t',strtotime($yourDate)); // last day of month
echo date('Y-m-d', strtotime($date. ' + 5 days')); // add 5 days to date$fileName = "fabbian/920.jpg";
$arr = explode("/", $filename);
$tail = array_pop($arr);
$newPath = "fabbian/pro-01/" . $tail;