WP - Notify via Email on creation of Attachment

notify-on-media.php

<?php
/*
Plugin Name: Notify on Attachment Creation
Plugin URI: http://www.tomjn.com
Description: Send a notification when an attachment is created
Version: 1.04
Author: Tom J Nowell
Author URI: http://www.tomjn.com
*/


function new_attachment_email($att_id){
    $recipients = array();

    // who should it be sent to?

    // send to admins of the current blog/site
    $args = array();
    $args[0] = 'user_email';
    $wp_user_search = new WP_User_Query( array( 'role' => 'administrator','fields' => $args ) );
    $admins = $wp_user_search->get_results();
    if(!empty($admins)){
        foreach($admins as $admin){
            $userdata = get_userdata($admin->user_id);
            $recipients[] = $userdata->user_email;
        }
    }

    // send to superadmins if multisite
    if(is_multisite()){
        $superadmins = get_super_admins();
        if(!empty($superadmins)){
            foreach($superadmins as $superadmin){
                $u = get_userdatabylogin($superadmin);
                if($u != false){
                    if(!in_array($u->user_email,$recipients)){
                        $recipients[] = $u->user_email;
                    }
                }
            }
        }
    }

    // send the email
    if(empty($recipients)){
        // there is nobody to send this to? Abort!
        return;
    }
    $admin_email = get_option('admin_email');
    $headers= "From:$admin_email\r\n";
    $headers .= "Reply-To:$admin_email\r\n";
    $headers .= "X-Mailer: PHP/".phpversion()."\r\n";
    $headers .= "content-type: text/html";

    $subject = 'New Attachment uploaded';
    $template = '<p>new attachment uploaded to WordPress with the ID: '.$att_id.'.</p>'. wp_get_attachment_link( $att_id,'',true,false,'click here to view this attachment' );
    foreach($recipients as $to){
        @wp_mail($to, $subject, $template, $headers);
    }
}
add_action('add_attachment','new_attachment_email',1,1);

hmmm, must do some cleanup in a second revision rather than a blind copy paste, all working though