What are the potential pitfalls of storing user IDs in a file for LDAP management in PHP?

Storing user IDs in a file for LDAP management in PHP can pose security risks, as the file may be accessible to unauthorized users. To mitigate this risk, it is recommended to store user IDs securely in a database with proper access controls. 

// Example of securely storing user IDs in a database for LDAP management in PHP

// Connect to the database
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// Store user IDs in the database
$userID = "12345";

$sql = "INSERT INTO user_ids (user_id) VALUES ('$userID')";

if ($conn->query($sql) === TRUE) {
    echo "User ID stored successfully";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();

Keywords

PHP LDAP user IDs file storage security vulnerability

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