<?php

function sendWhatsappMessage($key, $phone, $vars = NULL)
{
    $opts = array('http' =>
        array(
            'method' => 'POST',
            'header' => 'Content-type: application/x-www-form-urlencoded',
            'content' => http_build_query(
                array(
                    'key' => $key,
                    'phone' => $phone,
                    'vars' => $vars
                )
            )
        )
    );
    file_get_contents('https://www.akinik.co.in/whatsapptemplates/api/sendjournaltemplate', false, stream_context_create($opts));
}