How can PHP be used to implement a message service for users with an admin interface?

To implement a message service for users with an admin interface using PHP, you can create a messaging system where users can send messages to each other and the admin can view and manage all messages. The system can store messages in a database and use PHP to handle sending, receiving, and displaying messages. 

// Sample PHP code for implementing a message service with admin interface

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

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

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

// Send message function
function sendMessage($sender, $receiver, $message) {
    global $conn;
    
    $sql = "INSERT INTO messages (sender, receiver, message) VALUES ('$sender', '$receiver', '$message')";
    
    if ($conn->query($sql) === TRUE) {
        echo "Message sent successfully";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

// Retrieve messages function
function getMessages($receiver) {
    global $conn;
    
    $sql = "SELECT * FROM messages WHERE receiver='$receiver'";
    $result = $conn->query($sql);
    
    if ($result->num_rows > 0) {
        while($row = $result->fetch_assoc()) {
            echo "Sender: " . $row["sender"]. " - Message: " . $row["message"]. "<br>";
        }
    } else {
        echo "No messages found";
    }
}

// Admin interface to view all messages
function viewAllMessages() {
    global $conn;
    
    $sql = "SELECT * FROM messages";
    $result = $conn->query($sql);
    
    if ($result->num_rows > 0) {
        while($row = $result->fetch_assoc()) {
            echo "Sender: " . $row["sender"]. " - Receiver: " . $row["receiver"]. " - Message: " . $row["message"]. "<br>";
        }
    } else {
        echo "No messages found";
    }
}

Keywords

PHP message service admin interface user management database integration

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