Send Email to multiple users when custom post or post is publish by admin

Send Email to multiple users when custom post or post is publish by admin

Step 1 .  Download PHPMailer from Download and save extract file on path "/wp-content/themes/funding_press" with directory name "PHPMailer".


Step 2 .  Paste this code in function.php file.



<?php
/*------------------------ Send Mail when Post publish by admin START -------------------------------*/
function cause_published()  {
    global $post;
    global $wpdb;
    $cause_id = $post->ID;
        $posttitle = get_the_title( $cause_id );
        $permalink = get_permalink( $cause_id );
        $cause_cate = wp_get_object_terms($cause_id, 'project-category'); //"project-category" is a texonimy name of custom post type "project".
        foreach($cause_cate as $cat) {
        $cause_category = $cat->name;

        $usersarrays = $wpdb->get_results("SELECT `user_email` FROM `wp_users` WHERE `ID` IN (SELECT `user_id` FROM `wp_usermeta` WHERE `meta_key` = 'user_category' AND `meta_value` = '".$cause_category."')"); //This is the query to get users email id according to condition
        //print_r($usersarray);
        foreach($usersarrays as $usersarrayss) {
            $user_email[] = $usersarrayss->user_email; //Create array of email id of multiple users
        }
            //print_r($user_email); die();

            require 'PHPMailer/PHPMailerAutoload.php';
            $mail = new PHPMailer;
            $mail->From = 'BackYourCause';
            $mail->FromName = 'BackYourCause';
            foreach($user_email as $user_email_my)
            {
            $mail->addAddress($user_email_my);
            }

            //$mail->addAddress($email);   // Add a recipient
            $mail->WordWrap = 50;                                 // Set word wrap to 50 characters
            $mail->isHTML(true);
            $message ="
            <table>
            <tr><td><strong>Congratulations</strong></td></tr>
            <tr><td style='font-weight: bold;'>Your cause has been successfully submitted.</td></tr>
            <tr><td>Your cause will be published once reviewed by our admin staff.</td></tr>
            <tr><td>Your Cause ID is <strong>$cause_id</strong> and Click <a href=$permalink><strong>$posttitle</strong></a> to open cause.</td></tr>
            <tr><td></td></tr>
            </table>
            ";
            $mail->Subject = 'BackYourCause';
            $mail->Body = $message;
            $mail->Send();
            return $post_ID;
    }
}

add_action('publish_project', 'cause_published');    //"publish_project" is a hook call when post publish.
//"publish_project" is 'publish_{custom_post_name}' is hook for custom post type post where "project" is a name of custom post type.

/*------------------------ Send Mail when Post publish by admin END -------------------------------*/
?>