在PHP数组中的1个键中添加两个值？

Question

How can add two values in ':ID' separated with dot. Values are numbers, i want ':ID' to be like 1.2, 2.3 etc...

 $pdoExec = $stmt->execute(array(
                    ':username' => $_SESSION['username'],
                    ':ID' => $_SESSION['memberID'] "." $row['#'],
        ) );

Answer 1

Use floatval function to convert string to float value:

$pdoExec = $stmt->execute(array(
                    ':username' => $_SESSION['username'],
                    ':ID' => floatval($_SESSION['memberID']. "." .$row['#']),
        ) );