get value from MySQL database with PHP

Question

$from = $_POST[\'from\'];
$to = $_POST[\'to\'];
$message = $_POST[\'message\'];

$query  = \"SELECT * FROM Users WHERE `user_name` = \'$from\' LIMIT 1\";
$result = m         


        

Answer 1

while($row =mysql_fetch_assoc($result)){ $fromID = $row['user_id']; }