檢查MySQL數據庫的值

Question

嗨，大家如果我試圖檢查一下我的MYSQL數據庫中的值（令牌）是否存在。

主要信息：

表：令牌 柱：令牌

我最新的嘗試：

<?php 
    // DATABASE STUFF 
    $servername = "localhost"; 
    $username = "userhere"; 
    $password = "passhere"; 
    $dbname = "zwinky"; 
    $token = $_GET['a']; 

    $conn = new mysqli($servername, $username, $password, $dbname); 
    if ($conn->connect_error) { 
     die("Connection failed: " . $conn->connect_error); 
    } 

    $result = mysql_query("SELECT * FROM Tokens WHERE Token = '$token'"); 
    $matchFound = mysql_num_rows($result) > 0 ? 'yes' : 'no'; 
    echo $matchFound; 
?> 

有沒有人有一個想法？

Answer 1

如果您正在使用mysqli_*那麼你就不能使用mysql_*

試試這個

<?php 
// DATABASE STUFF 
$servername = "localhost"; 
$username = "userhere"; 
$password = "passhere"; 
$dbname = "zwinky"; 
$token = $_GET['a']; 

$con=mysqli_connect($servername, $username, $password, $dbname); 
// Check connection 
if (mysqli_connect_errno()){ 
    echo "Failed to connect to MySQL: " . mysqli_connect_error(); 
} 

// Perform queries 
$result = mysqli_query($con,"SELECT * FROM Tokens WHERE Token = '$token'"); 
$matchFound = mysqli_num_rows($result) > 0 ? 'yes' : 'no'; 
echo $matchFound; 
?>