<?php require_once 'conn.php'; checkLogin(); header('Content-Type: application/json'); $customer_id = isset($_GET['customer_id']) ? (int)$_GET['customer_id'] : 0; $sql = "SELECT id, contact_name FROM customer_contact WHERE customer_id = $customer_id"; $result = mysqli_query($conn, $sql); $contacts = []; while ($row = mysqli_fetch_assoc($result)) { $contacts[] = [ 'id' => $row['id'], 'contact_name' => textUncode($row['contact_name']) ]; } echo json_encode($contacts); ?>