How can PHP developers ensure that updated values are immediately reflected on the page?

To ensure that updated values are immediately reflected on the page, PHP developers can use AJAX to dynamically update the content without refreshing the entire page. By making an asynchronous request to the server, the updated values can be fetched and displayed in real-time on the webpage. 

// PHP code snippet using AJAX to update values on the page
<?php
// Your PHP code to update values goes here

// AJAX request to fetch updated values
?>
<script>
    // AJAX request
    var xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function() {
        if (this.readyState == 4 && this.status == 200) {
            document.getElementById("updatedValue").innerHTML = this.responseText;
        }
    };
    xhttp.open("GET", "update_values.php", true);
    xhttp.send();
</script>

Keywords

PHP real-time AJAX WebSockets server-sent events

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