cPanel_wp_version.php

<?php

/**
 * Compares a stored version of the WordPress version to
 * the current version.
 *
 * If the current version has changed, update the stored
 * version and run custom code that notifies cPanel that
 * an update has occurred.
 */
function cPanel_wp_version_check() {
	$old_version = get_option( 'cPanel_wp_version' );
	if ( $GLOBALS['wp_version'] !== $old_version ) {
		$new_version = $GLOBALS['wp_version'];
		update_option( 'cPanel_wp_version', $new_version );

		// DO THINGS HERE TO NOTIFY CPANEL OF SOFTWARE UPGRADE.
	}
}
add_action( 'init', 'cPanel_wp_version_check' );