What are the recommended best practices for implementing a chat application using PHP, considering the limitations and capabilities of the language?

When implementing a chat application using PHP, it is important to consider the limitations and capabilities of the language. One recommended best practice is to use AJAX for real-time updates without refreshing the page. This can be achieved by sending asynchronous requests to the server to fetch new messages and display them on the chat interface. 

// AJAX request to fetch new messages
$.ajax({
    url: 'fetch_messages.php',
    method: 'GET',
    success: function(response) {
        // Update chat interface with new messages
        $('#chat').append(response);
    }
});

Keywords

Real-time communication Websockets AJAX PHP frameworks Scalability

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