slack composer package, require only php curl

Usage: composer require nordeveloper/slack

use Nordeveloper\Slack;
$slackData['SLACK_WEBHOOK_URL'] = 'your slack web hook url';
$slackData['channel'] = 'your slack chanel';
$slackData['text'] = 'slack message';
$slackData['username'] = 'slack username' //is optional;
$slack = new Slack($slackData);
$res = $slack->send($slackData);