在 MySQL 准备语句中将 2+ 个数组绑定为参数的解决方案？

Question

我能够绑定 1 个数组作为参数没问题。但是，我正在尝试将 2+ 个数组绑定为参数，但效果不是很好。解包后我不断收到无法使用位置参数的错误。如何将数组组合为参数？

$query="SELECT price FROM products WHERE status='1'";

if(isset($_POST['category'])){

    $category_filter = join(',', array_fill(0, count($_POST['category']), '?'));

    $sql .= ' AND category IN ('.$category_filter.')';

}if(isset($_POST['location'])){

    $location_filter = join(',', array_fill(0, count($_POST['location']), '?'));

    $sql .= ' AND location IN ('.$location_filter.')';

}

$stmt = $conn->prepare($query);

$stmt->bind_param(str_repeat('ss', count($_POST['category'],$_POST['location'])), ...$_POST['category'],...$_POST['location']);

$stmt->execute();

$stmt->bind_result($price);

Answer 1

您将不得不将两个列表组合在一起，然后将它们一次性绑定......$params = array_merge($_POST['category'],$_POST['location']);$stmt->bind_param(str_repeat('s', count($params)), ...$params);