DavidLemayian/WordPress New Post Notification

## WordPress New Post Notification
/*
   EMAIL NOTIFICATION OF NEW POST
   Add this to the functions.php file.

*/

function email_members($post_ID)  {
	global $wpdb;

	// Check if notification for this post has already been sent
	$already_sent = get_post_meta($post_id, 'mail_notification_once', true);

	if(!$already_sent) {
		// Get the registered users' emails.
		$usersarray = $wpdb->get_col("SELECT user_email FROM $wpdb->users;");
		$users = implode(",", $usersarray);

		// Get the blog's name, url and email address
		$blog_title = get_bloginfo('name');
		$blog_url = get_bloginfo('url');
		$blog_email = get_bloginfo('admin_email');

		// Get the post's data and url.
		$post_data = get_post($post_ID);
		$permalink = get_permalink($post_ID);

		//Get Author Details
		$author_id = $post_data->post_author;
		$author_name = get_the_author_meta( 'user_nicename' , $author_id );

		// Get the post content
		$post_short = substr($post_data->post_content, 0, 500);

		// Set the subject and body
		$subject = $blog_title." | New Post - ".$post_data->post_title;
		$body = '
		<!DOCTYPE html>
		<html lang="en">
			<head>
				<title>'.$blog_title.' | '.$post_data->post_title.'</title>
				<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
			</head>
			<body>
				<div class = "container">
					<h1>'.$post_data->post_title.'</h1>
					<p>
						<small>Author: '.$author_name.'</small> <br/>
						<small>Date: '.$post_data->post_date.'</small>
					</p>
					<p>'.$post_short.'...</p>
					<p><a href="'.$permalink.'" class="btn btn-primary">Read More</a></p>
					<br/>
					<p class="text-center">Proudly Published on <a href="'.$blog_url.'">'.$blog_title.'</a></p>
					<br />
				</div>
			</body>
		</html>
		';

		// To send HTML mail, the Content-type header must be set
		$headers  = 'MIME-Version: 1.0' . "\r\n";
		$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";

		// Additional headers
		$headers .= 'From: '.$blog_title.' <'.$blog_email.'>' . "\r\n";

		// Send the email(s)
		mail($users, $subject, $body, $headers);
		return $post_ID;

        add_post_meta($post_id, 'mail_notification_once', 1, true);
    }

}

// Add action hooks when published either from draft or from new
add_action('draft_to_publish', 'email_members');
add_action('new_to_publish', 'email_members');
	/*
	EMAIL NOTIFICATION OF NEW POST
	Add this to the functions.php file.

	*/

	function email_members($post_ID) {
	global $wpdb;

	// Check if notification for this post has already been sent
	$already_sent = get_post_meta($post_id, 'mail_notification_once', true);

	if(!$already_sent) {
	// Get the registered users' emails.
	$usersarray = $wpdb->get_col("SELECT user_email FROM $wpdb->users;");
	$users = implode(",", $usersarray);

	// Get the blog's name, url and email address
	$blog_title = get_bloginfo('name');
	$blog_url = get_bloginfo('url');
	$blog_email = get_bloginfo('admin_email');

	// Get the post's data and url.
	$post_data = get_post($post_ID);
	$permalink = get_permalink($post_ID);

	//Get Author Details
	$author_id = $post_data->post_author;
	$author_name = get_the_author_meta( 'user_nicename' , $author_id );

	// Get the post content
	$post_short = substr($post_data->post_content, 0, 500);

	// Set the subject and body
	$subject = $blog_title." \| New Post - ".$post_data->post_title;
	$body = '
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>'.$blog_title.' \| '.$post_data->post_title.'</title>
	<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
	</head>
	<body>
	<div class = "container">
	<h1>'.$post_data->post_title.'</h1>
	<p>
	<small>Author: '.$author_name.'</small> <br/>
	<small>Date: '.$post_data->post_date.'</small>
	</p>
	<p>'.$post_short.'...</p>
	<p><a href="'.$permalink.'" class="btn btn-primary">Read More</a></p>
	<br/>
	<p class="text-center">Proudly Published on <a href="'.$blog_url.'">'.$blog_title.'</a></p>
	<br />
	</div>
	</body>
	</html>
	';

	// To send HTML mail, the Content-type header must be set
	$headers = 'MIME-Version: 1.0' . "\r\n";
	$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";

	// Additional headers
	$headers .= 'From: '.$blog_title.' <'.$blog_email.'>' . "\r\n";

	// Send the email(s)
	mail($users, $subject, $body, $headers);
	return $post_ID;

	add_post_meta($post_id, 'mail_notification_once', 1, true);
	}

	}

	// Add action hooks when published either from draft or from new
	add_action('draft_to_publish', 'email_members');
	add_action('new_to_publish', 'email_members');