updates - Email user on WordPress upgrade

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I'm pretty new to WordPress and I'm trying to customize my theme to send an email to myself when an upgrade is required. I'd rather not use a plugin as this means I have to install it for each WordPress site. The code below is based from the update notifier plugin.

add_action('check_updates_daily', 'check_updates');

function check_updates_daily() {
    if (!wp_next_scheduled('check_updates')) {
        wp_schedule_event(time(), 'daily', 'check_updates');
    }
}

function check_updates() {

    $update_core = get_site_transient( 'update_core' );
    if (!empty($update_core) && isset($update_core->updates) && is_array($update_core->updates)
            && isset($update_core->updates[0]->response) && 'upgrade' == $update_core->updates[0]->response)
     {
        $newversion = $update_core->updates[0]->current;
        $oldversion = $update_core->version_checked;
        $blogurl = esc_url( home_url() );
        $message = "It's time to update the version of WordPress running at $blogurl from version $oldversion to $newversion.\n\n";

        // don't let $wp_version mangling plugins mess this up
        if (!preg_match( '/^(\d+\.)?(\d+\.)?(\d+)$/', $oldversion)) {
            include( ABSPATH . WPINC . '/version.php' );
            $message = $wp_version == $newversion ? '' : "It's time to update the version of WordPress running at $blogurl from version $wp_version to $newversion.\n\n";
        }       
    }       

    //Send email
    if (!empty($message)) {     

        $subject = apply_filters( 'updatenotifier_subject', 'Updates are available for '.get_bloginfo('name').'.');

        wp_mail('[email protected]', $subject, $message);     
    }
}

I did change it to check hourly to test if it worked but I didn't receive any emails I also scheduled it to just send an email without checking for updates and this also didn't work.

Any help appreciated, thanks =D

I'm pretty new to WordPress and I'm trying to customize my theme to send an email to myself when an upgrade is required. I'd rather not use a plugin as this means I have to install it for each WordPress site. The code below is based from the update notifier plugin.

add_action('check_updates_daily', 'check_updates');

function check_updates_daily() {
    if (!wp_next_scheduled('check_updates')) {
        wp_schedule_event(time(), 'daily', 'check_updates');
    }
}

function check_updates() {

    $update_core = get_site_transient( 'update_core' );
    if (!empty($update_core) && isset($update_core->updates) && is_array($update_core->updates)
            && isset($update_core->updates[0]->response) && 'upgrade' == $update_core->updates[0]->response)
     {
        $newversion = $update_core->updates[0]->current;
        $oldversion = $update_core->version_checked;
        $blogurl = esc_url( home_url() );
        $message = "It's time to update the version of WordPress running at $blogurl from version $oldversion to $newversion.\n\n";

        // don't let $wp_version mangling plugins mess this up
        if (!preg_match( '/^(\d+\.)?(\d+\.)?(\d+)$/', $oldversion)) {
            include( ABSPATH . WPINC . '/version.php' );
            $message = $wp_version == $newversion ? '' : "It's time to update the version of WordPress running at $blogurl from version $wp_version to $newversion.\n\n";
        }       
    }       

    //Send email
    if (!empty($message)) {     

        $subject = apply_filters( 'updatenotifier_subject', 'Updates are available for '.get_bloginfo('name').'.');

        wp_mail('[email protected]', $subject, $message);     
    }
}

I did change it to check hourly to test if it worked but I didn't receive any emails I also scheduled it to just send an email without checking for updates and this also didn't work.

Any help appreciated, thanks =D

• email
• updates
• notifications

Share Improve this question edited Apr 9, 2019 at 13:19 butlerblog 5,13133 gold badges2828 silver badges4444 bronze badges asked Jul 7, 2011 at 9:40 ElliottElliott 54266 silver badges1515 bronze badges 3

• did you check your spam? – Ramkumar M Commented Jul 7, 2011 at 9:51
• Are you testing on a local environment? By default local set-ups don't have the ability to send emails out so you wont get the email notification. – Scott Commented Jul 7, 2011 at 9:56
• I'm testing on a hosted server and yes I checked my spam it doesn't appear to have sent at all. Thanks – Elliott Commented Jul 7, 2011 at 10:01

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2 Answers 2

Sorted by: Reset to default 0

I forked the above plugin you mentioned as WP Updates Notifier

Maybe you want to look at that instead?

If you want to include it in your theme all you do is copy the plugin file and place in your theme functions file instead.

If you need further help modifying this plugin leave a comment and I'll see what I can do.

Whether you use an already available plugin or write your own plugin, you'll still need to install it on every WP site you set up. Don't waste time re-inventing the wheel, just use the plugin you already found.

本文标签： updatesEmail user on WordPress upgrade