What could be the reason for certain mysqli functions not working on a specific web server like 1 and 1?

The reason certain mysqli functions may not work on a specific web server like 1and1 could be due to server configuration settings or limitations imposed by the hosting provider. To solve this issue, you can try using an alternative method such as PDO (PHP Data Objects) for database connections. PDO is a more portable and flexible option for working with databases in PHP. 

<?php
// Using PDO for database connection instead of mysqli
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "Connected successfully"; 
} catch(PDOException $e) {
    echo "Connection failed: " . $e->getMessage();
}
?>

Keywords

mysqli functions web server 1and1 troubleshooting

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