What potential issue is the user facing with the current PHP code?

The potential issue the user is facing with the current PHP code is the lack of proper error handling for the database connection. If the connection fails, the code does not provide any feedback or error message to the user, making it difficult to troubleshoot. To solve this issue, we can add error handling to the database connection process using try-catch blocks. 

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

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

syntax error undefined variable missing semicolon parse error function not found

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