How can a PHP page communicate with a C# program to display a constantly changing variable?

To communicate between a PHP page and a C# program to display a constantly changing variable, you can use a combination of AJAX requests and a web service. The C# program can expose a web service that PHP can call to retrieve the changing variable's value. The PHP page can then use AJAX requests to periodically fetch the variable's value from the web service and update the display accordingly. 

<script>
    setInterval(function() {
        $.ajax({
            url: 'http://yourcsharpprogram.com/getvariable',
            type: 'GET',
            success: function(data) {
                $('#variableDisplay').text(data);
            }
        });
    }, 1000); // Update every second
</script>

<div id="variableDisplay"></div>

Keywords

PHP C# communication variable real-time

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