我正在读取一个csv文件并更新远程DB上的DB字段。我大约有1200行,在750行之后我收到了此消息
警告:mysqli_connect():(HY000 / 2002):连接尝试失败,因为一段时间后被连接方未正确响应,或者由于连接的主机未能响应而建立的连接失败。在第53行的C:\ xampp7 \ htdocs \ folder \ file_name.php中 连接失败:连接尝试失败是由于一段时间后被连接方未正确响应,或者是由于连接的主机未能响应而导致建立连接失败。
每次这个数字都不相同意味着有时候我可以更新750,有时可以更新800
function unsubscribe($email_id, $created_at){
$servername1 = "name";
$username1 = "name";
$password1 = "pass";
$dbname1 = "dbName";
// Create connection
$conn1 = mysqli_connect($servername1, $username1, $password1, $dbname1);
// Check connection
if (!$conn1) {
die("Connection failed: " . mysqli_connect_error());
}
$timestamp = strtotime($created_at);
$sql = "update email_list set unsubscribed = '" . $timestamp . "' where emailaddress = '" . $email_id . "'";
echo "OnServer Date = " . $created_at . " and Timestamp = " . $timestamp . " and email = " . $email_id . "<br>";
mysqli_query($conn1, $sql);
mysqli_close($conn1);
}