HTML表单插入在PHP和MySQL中不起作用

Question

这是继续上一个问题（html/php/sql form with insert/update），因此请在HTML表单上使用它作为参考。当客户入住时，其客户的活动状态变为1，房间的房间变更为0，并创建入住记录。

除此之外，还需要使用所有这些信息生成第一笔租金。 rent_occupancy_id通过lastInsertId()的用户计算出来，因为最后插入的ID将是占用ID。

rent_cost是否产生，无论客户入住的好处是否。如果客户没有收益，那么rent_cost = 126.57英镑，但如果他们是rent_cost = 20.03英镑。 date_lastpaid与客户的占用记录的start_date相同，并且date_due等于date_lastpaid的前一周。

问题是没有创建出租记录，但其他记录等所有其他更改都正在创建。任何帮助将非常感激。

<?php 
require("dbconnect.php"); 

//CLIENT 
$id = $_POST['id']; 
//UPDATES client's to 1/Yes to say that they're now an active client in JRH, 
//where the selected client's ID is equal to :id 
$stmt = $dbh->prepare("UPDATE client SET active = 1 WHERE client_id=:id"); 
$stmt->bindParam(':id', $id); 
$stmt->execute(); 

//ROOM 
$room_id = $_POST['room_id']; 
$stmt = $dbh->prepare("UPDATE room SET room_vacant = 0 WHERE room_id = :room_id"); 
$stmt->bindParam(':room_id', $room_id); 
$stmt->execute(); 

//OCCUPANCY 
$id = $_POST['id']; 
$room_id = $_POST['room_id']; 
$start_date = $_POST['start_date']; 
$stmt = $dbh->prepare("INSERT INTO occupancy (occupancy_client_id, occupancy_room_id, start_date) VALUES(:id, :room_id, :start_date)"); 
$stmt->bindParam(':id', $id); 
$stmt->bindParam(':room_id', $room_id); 
$stmt->bindParam(':start_date', $start_date); 
$stmt->execute(); 

//Working out Rent Cost 
$id = $_POST['id']; 
$stmt=$dbh->prepare("SELECT * FROM client WHERE client_id=:id"); 
$stmt->bindParam(':id', $id); 
$stmt->execute(); 
$row = $stmt->fetch(); 
//Works out whether a client has benefits or not, 
//and then uses this information to generate a cost of the rent 
if ($row['benefits'] == '0') { 
$rent_cost = "126.57"; 
} else{ 
$rent_cost = "20.03"; 
} 


//RENT INSERT 
// 
//As the occupancy record is being created above 
//and the rent table needs a rent_occupancy_id to join, 
//then we use lastInsertId() in order to get that occupancy id 
$rent_occupancy_id = $dbh->lastInsertId(); 
$date_lastpaid = $_POST['start_date']; //As the client hasn't made a payment yet, 
//we say that their last payment was the date they joined 
$date_due = strtotime($date_lastpaid); 
$date_due = strtotime('+1 week', $date_due); 
$date_due = date('Y/m/d', $date_due); 
$stmt = $dbh->prepare("INSERT INTO rent (rent_occupancy_id, rent_cost, date_lastpaid, date_due) VALUES (:rent_occupancy_id, :rent_cost, :date_lastpaid, :date_due)"); 
$stmt->BindParam(':rent_occupancy_id', $rent_occupancy_id); 
$stmt->BindParam(':rent_cost', $rent_cost); 
$stmt->BindParam(':date_lastpaid', $date_lastpaid); 
$stmt->BindParam(':date_due', $date_due); 
$stmt->execute(); 
?> 

Answer 1

只是改成小写的第一个字母bindParam();

$stmt->bindParam(':rent_occupancy_id', $rent_occupancy_id); 
$stmt->bindParam(':rent_cost', $rent_cost); 
$stmt->bindParam(':date_lastpaid', $date_lastpaid); 
$stmt->bindParam(':date_due', $date_due); 
$stmt->execute();