Slack-Notify.php

<?php
error_reporting(E_ALL);

// Attachments Form :
// $data = array(
// 	'attachments' => array(
// 		0 => array(
// 			'fallback' => 'Required plain-text summary of the attachment.',
// 			'color' => '#36a64f',
// 			'pretext' => 'Optional text that appears above the attachment block',
// 			'author_name' => 'Bobby Tables',
// 			'author_link' => 'http://flickr.com/bobby/',
// 			'author_icon' => 'http://flickr.com/icons/bobby.jpg',
// 			'title' => 'Slack API Documentation',
// 			'title_link' => 'https://api.slack.com/',
// 			'text' => 'Optional text that appears within the attachment',
// 			'fields' => array(
// 				0 => array(
// 					'title' => 'Priority',
// 					'value' => 'High',
// 					'short' => false,
// 				),
// 			),
// 			'image_url' => 'http://my-website.com/path/to/image.jpg',
// 			'thumb_url' => 'http://example.com/path/to/thumb.png',
// 			'footer' => 'Slack API',
// 			'footer_icon' => 'https://platform.slack-edge.com/img/default_application_icon.png',
// 			'ts' => 123456789,
// 		),
// 	),
// );

// Message buttons Form :
// $data = array(
// 	'text' => 'Would you like to play a game?',
// 	'attachments' => array(
// 		0 => array(
// 			'text' => 'Choose a game to play',
// 			'fallback' => 'You are unable to choose a game',
// 			'callback_id' => 'wopr_game',
// 			'color' => '#3AA3E3',
// 			'attachment_type' => 'default',
// 			'actions' => array(
// 				0 => array(
// 					'name' => 'game',
// 					'text' => 'Chess',
// 					'type' => 'button',
// 					'value' => 'chess',
// 				),
// 				1 => array(
// 					'name' => 'game',
// 					'text' => 'Falken\'s Maze',
// 					'type' => 'button',
// 					'value' => 'maze',
// 				),
// 				2 => array(
// 					'name' => 'game',
// 					'text' => 'Thermonuclear War',
// 					'style' => 'danger',
// 					'type' => 'button',
// 					'value' => 'war',
// 					'confirm' => array(
// 						'title' => 'Are you sure?',
// 						'text' => 'Wouldn\'t you prefer a good game of chess?',
// 						'ok_text' => 'Yes',
// 						'dismiss_text' => 'No',
// 					),
// 				),
// 			),
// 		),
// 	),
// );

// Basic formatting Form :
$data = array(
	'text' => 'This is a line of text. And this is another one.',
);

$json_string = json_encode($data);
// Your webhook URL
$webhook_url = '';

$slack_call = curl_init();
curl_setopt($slack_call, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($slack_call, CURLOPT_POSTFIELDS, $json_string);
curl_setopt($slack_call, CURLOPT_CRLF, true);
curl_setopt($slack_call, CURLOPT_RETURNTRANSFER, true);
curl_setopt($slack_call, CURLOPT_URL, $webhook_url);
curl_setopt($slack_call, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($slack_call, CURLOPT_HTTPHEADER, array(
	'Content-type: application/json',
	'Content-Length:' . strlen($json_string))
);

$result = curl_exec($slack_call);
curl_close($slack_call);
?>