[英]Get ID of Last Inserted Record
我從我稱為“訂單”的表中最后插入的記錄中檢索order_id
時遇到問題。
一旦檢索到,我希望將其放入另一個名為“ reports”的表中。
我可以看到這個問題已被問過無數次,並且我已經提出了許多建議,但沒有成功。
當前,我的每個表都包含auto_increment屬性,並且我的函數在“ orders”表(不是報表表)上執行了成功的INSERT,但是我試圖達到該表。
function report() {
if(isset($_GET['tx'])) {
$amount = $_GET['amt'];
$currency = $_GET['cc'];
$transaction = $_GET['tx'];
$status = $_GET['st'];
$total = 0;
$item_quantity = 0;
$send_order = query(" INSERT INTO orders (order_amount, order_transaction, order_status, order_currency) VALUES('{$amount}','{$currency}','{$transaction}','{$status}')");
$last_id = last_id(); // this calls last_id in functions.php
confirm($send_order);
foreach ($_SESSION as $name => $value) {
if($value > 0 ) {
if(substr($name, 0, 8) == "product_") {
$length = strlen($name - 8);
$id = substr($name, 8 , $length);
$query = query(" SELECT * FROM products WHERE product_id = " . escape_string($id). " " );
confirm($query);
while ($row = fetch_array($query)) {
$product_price = $row['product_price'];
$sub = $row['product_price']*$value;
$item_quantity +=$value;
$insert_report = query(" INSERT INTO reports (product_id, order_id, product_price, product_quantity) VALUES('{$id}','{$last_id}','{$product_price}','{$value}')");
confirm($insert_report); //runs the confirm helper method
} // end of while loop
$total += $sub;
echo $item_quantity;
} // end of substring if statement
}// end of if value
} // end of foreach loop
session_destroy();
} else {
redirect("index.php");
} //end of if isset GET tx
} // end of report function /////////////////
functions.php
function last_id() {
global $connection;
return mysqli_insert_id($connection);
}
您可以在php頁面中插入查詢后使用mysqli_insert_id($send_order)
。
你應該打電話
$last_id = last_id();
在您使用
confirm($send_order);
嘗試這樣:
$ send_order = query(“插入訂單(order_amount,order_transaction,order_status,order_currency)VALUES('{$ amount}','{$ currency}','{$ transaction}','{$ status}')”) ;
$ last_id = $ send_order-> insert_id;
您可以使用%d
輸出最后一個ID。 例:
printf("The last id is: %d", mysqli_insert_id($connection));
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