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我正在尝试改进我的功能,包括我正在制作的网站的文件。下面的代码是包含的功能的摘录。我试图让受影响的行来检查查询是否已成功执行但没有运气。

<?php
function connect() {
    $mysqli = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);

    if ($mysqli->connect_error) {
        die('Connect Error (' . $mysqli->connect_errno . ') '
                . $mysqli->connect_error);
    }

    return $mysqli;

}

function insert($type, $values) {
    $mysqli = connect();

    if ( $type == 'newclient' ) {
        $query = "INSERT INTO client_details (first_name, surname, email, password, dob, country, region, postcode, phone_main, phone_mobile, date_registered, regcode) values ( '{$_SESSION['first_name']}', '{$_SESSION['surname']}', '{$_SESSION['confirm_email']}', '$scrambledeggs', '{$_SESSION['dob']}', '{$_SESSION['country']}', '{$_SESSION['region']}', '{$_SESSION['postcode']}', '{$_SESSION['phone_main']}', '{$_SESSION['phone_mobile']}', NOW(), '$verification_hash')";

        if ( !$mysqli->query($query) ) {
        return "Errormessage: $mysqli->error";  
        }
    }
}

我正在尝试获取受影响的行以确认查询已正确运行,但到目前为止我的尝试没有奏效,这就是我尝试过的......

if ( !$mysqli->query($query) ) {
    return "Errormessage: $mysqli->error";  
}
if (($mysqli->affected_rows) > 0 ) {
    ($_SESSION['success'] = 1);
}
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