为什么我的数据显示为问号'？ “ [英] Why my data display like question marks '? '

问题描述

大家好，

请帮帮我吗？

我已经安装了wamp服务器，我使用bootstrap和php处理项目，我插入的数据数据库是用波斯语写的，

但是当我在网络应用程序上检索我的记录时，它显示我就像问号我不知道该做什么？



注意：

//创建连接

Hello guys,
Please can you help me?
I have installed wamp server and I work on a project using bootstrap and php, the data which I insert into database is in Persian language,
but when I retrieve my records on web application it shows me it like question marks I don't know what to do pls??

Note:
// Create connection

$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

$sql = "SELECT * FROM tbl";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
    // output data of each row
    while($row = mysqli_fetch_assoc($result)) {
        echo "id: " . $row["id"]. " - Name: " . $row["Name"]. "";
    }
} else {
    echo "0 results";
}

我的尝试：



我试过utf8_generial_ci，utf8_unicode_ci和utf8_persian_ci

但是我有同样的问题。

What I have tried:

I tried utf8_generial_ci,utf8_unicode_ci and utf8_persian_ci
but I have the same problem.

推荐答案

conn = mysqli_connect（

conn = mysqli_connect(

servername，

servername,

username，

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