$str = "Using dot '(.)' operator <br/>";
$str .= "This is 1st Line <br/>";
$str .= "This is 2nd Line <br/>";
$str .= "This is 3rd Line <br/>";
$str .= "This is 4th Line <br/>";
while ($personCount < 3) {
$result .= ($personCount++)." people <br/>";
}
echo $result;
echo $str;
?>
