posttoslack.php

<?php
function postToSlack($message, $room, $fromName = null, $icon = null)
{
    $data = json_encode(array(
            "username"      => $fromName,
            "channel"       => "#{$room}",
            "text"          => $message,
            "icon_emoji"    => $icon
        )
    );
    
    $urlPoster = \Suricate\Suricate::Curl();
    $urlPoster
        ->setUrl(SLACK_API_ENDPOINT)
        ->setMethod('POST');

    $urlPoster->postFields = ['payload' => $data];
    $urlPoster->send();
}