How can PHP be used in conjunction with JavaScript to dynamically update Selectbox options without reloading the page?

To dynamically update Selectbox options without reloading the page, you can use JavaScript to make an AJAX request to a PHP script that fetches the updated options from a database or another data source. The PHP script will return the updated options as a JSON response, which can then be used by JavaScript to update the Selectbox without the need to reload the entire page. 

<?php
// PHP script to fetch updated Selectbox options from a database
$options = array(
    "Option 1",
    "Option 2",
    "Option 3"
);

echo json_encode($options);
?>

Keywords

PHP JavaScript Selectbox dynamic update reloading.

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