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$user_id=$_SESSION['user_id'];
$book_id=$s;
echo $s;
$date=date("y-m-d");
$description=$_POST['description'];
$price=array_sum($price1);
echo "price that goes to data base fiels".$price;
$number_of_books=$_POST['number_of_books'];
這是我在$book_id
代碼$s
是哪個ID是保持一個數組,但我提交頁面它onle一個ID發送給數據庫如何發佈在插入函數的兩個ID在phpMySQL