Alerter function

function.php

<?php
    function alertMe($message, $sound = "pushover") {
            
        $data['message'] = $message;
        $data['title'] = "THE TITLE OF YOUR APP";
        $data['sound'] = $sound;
        
        $options = array(
            'http' => array(
                'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
                'method'  => 'POST',
                'content' => http_build_query($data)
            )
        );
        
        $context  = stream_context_create($options);
        $result = file_get_contents("THE LINK TO YOUR MIDDLEMAN", false, $context);
        
    }
    alertMe('This is just an example', 'cashregister');
?>