how to use count query value in php code example

Example 1: get count sql query in php

$result=mysql_query("SELECT count(*) as total from Students");
$data=mysql_fetch_assoc($result);
echo $data['total'];

Example 2: count sql query in php

$sql = "SELECT COUNT(*) AS total from Members";
$result = $conn->query($sql);
$data =  $result->fetch_assoc();
echo $data['total'];