Source
File: wp-admin/includes/class-wp-automatic-updater.php
protected function send_plugin_theme_email( $type, $successful_updates, $failed_updates ) {
// No updates were attempted.
if ( empty( $successful_updates ) && empty( $failed_updates ) ) {
return;
}
$unique_failures = false;
$past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() );
/*
* When only failures have occurred, an email should only be sent if there are unique failures.
* A failure is considered unique if an email has not been sent for an update attempt failure
* to a plugin or theme with the same new_version.
*/
if ( 'fail' === $type ) {
foreach ( $failed_updates as $update_type => $failures ) {
foreach ( $failures as $failed_update ) {
if ( ! isset( $past_failure_emails[ $failed_update->item->{$update_type} ] ) ) {
$unique_failures = true;
continue;
}
// Check that the failure represents a new failure based on the new_version.
if ( version_compare( $past_failure_emails[ $failed_update->item->{$update_type} ], $failed_update->item->new_version, '<' ) ) {
$unique_failures = true;
}
}
}
if ( ! $unique_failures ) {
return;
}
}
$body = array();
$successful_plugins = ( ! empty( $successful_updates['plugin'] ) );
$successful_themes = ( ! empty( $successful_updates['theme'] ) );
$failed_plugins = ( ! empty( $failed_updates['plugin'] ) );
$failed_themes = ( ! empty( $failed_updates['theme'] ) );
switch ( $type ) {
case 'success':
if ( $successful_plugins && $successful_themes ) {
/* translators: %s: Site title. */
$subject = __( '[%s] Some plugins and themes have automatically updated' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Some plugins and themes have automatically updated to their latest versions on your site at %s. No further action is needed on your part.' ),
home_url()
);
} elseif ( $successful_plugins ) {
/* translators: %s: Site title. */
$subject = __( '[%s] Some plugins were automatically updated' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Some plugins have automatically updated to their latest versions on your site at %s. No further action is needed on your part.' ),
home_url()
);
} else {
/* translators: %s: Site title. */
$subject = __( '[%s] Some themes were automatically updated' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Some themes have automatically updated to their latest versions on your site at %s. No further action is needed on your part.' ),
home_url()
);
}
break;
case 'fail':
case 'mixed':
if ( $failed_plugins && $failed_themes ) {
/* translators: %s: Site title. */
$subject = __( '[%s] Some plugins and themes have failed to update' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Plugins and themes failed to update on your site at %s.' ),
home_url()
);
} elseif ( $failed_plugins ) {
/* translators: %s: Site title. */
$subject = __( '[%s] Some plugins have failed to update' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Plugins failed to update on your site at %s.' ),
home_url()
);
} else {
/* translators: %s: Site title. */
$subject = __( '[%s] Some themes have failed to update' );
$body[] = sprintf(
/* translators: %s: Home URL. */
__( 'Howdy! Themes failed to update on your site at %s.' ),
home_url()
);
}
break;
}
if ( in_array( $type, array( 'fail', 'mixed' ), true ) ) {
$body[] = "\n";
$body[] = __( 'Please check your site now. It’s possible that everything is working. If there are updates available, you should update.' );
$body[] = "\n";
// List failed plugin updates.
if ( ! empty( $failed_updates['plugin'] ) ) {
$body[] = __( 'These plugins failed to update:' );
foreach ( $failed_updates['plugin'] as $item ) {
$body[] = sprintf(
/* translators: 1: Plugin name, 2: Version number. */
__( '- %1$s version %2$s' ),
$item->name,
$item->item->new_version
);
$past_failure_emails[ $item->item->plugin ] = $item->item->new_version;
}
$body[] = "\n";
}
// List failed theme updates.
if ( ! empty( $failed_updates['theme'] ) ) {
$body[] = __( 'These themes failed to update:' );
foreach ( $failed_updates['theme'] as $item ) {
$body[] = sprintf(
/* translators: 1: Theme name, 2: Version number. */
__( '- %1$s version %2$s' ),
$item->name,
$item->item->new_version
);
$past_failure_emails[ $item->item->theme ] = $item->item->new_version;
}
$body[] = "\n";
}
}
// List successful updates.
if ( in_array( $type, array( 'success', 'mixed' ), true ) ) {
$body[] = "\n";
// List successful plugin updates.
if ( ! empty( $successful_updates['plugin'] ) ) {
$body[] = __( 'These plugins are now up to date:' );
foreach ( $successful_updates['plugin'] as $item ) {
$body[] = sprintf(
/* translators: 1: Plugin name, 2: Version number. */
__( '- %1$s version %2$s' ),
$item->name,
$item->item->new_version
);
unset( $past_failure_emails[ $item->item->plugin ] );
}
$body[] = "\n";
}
// List successful theme updates.
if ( ! empty( $successful_updates['theme'] ) ) {
$body[] = __( 'These themes are now up to date:' );
foreach ( $successful_updates['theme'] as $item ) {
$body[] = sprintf(
/* translators: 1: Theme name, 2: Version number. */
__( '- %1$s version %2$s' ),
$item->name,
$item->item->new_version
);
unset( $past_failure_emails[ $item->item->theme ] );
}
$body[] = "\n";
}
}
if ( $failed_plugins ) {
$body[] = sprintf(
/* translators: %s: Plugins screen URL. */
__( 'To manage plugins on your site, visit the Plugins page: %s' ),
admin_url( 'plugins.php' )
);
$body[] = "\n";
}
if ( $failed_themes ) {
$body[] = sprintf(
/* translators: %s: Themes screen URL. */
__( 'To manage themes on your site, visit the Themes page: %s' ),
admin_url( 'themes.php' )
);
$body[] = "\n";
}
// Add a note about the support forums.
$body[] = __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' );
$body[] = __( 'https://wordpress.org/support/forums/' );
$body[] = "\n" . __( 'The WordPress Team' );
$body = implode( "\n", $body );
$to = get_site_option( 'admin_email' );
$subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) );
$headers = '';
$email = compact( 'to', 'subject', 'body', 'headers' );
/**
* Filters the email sent following an automatic background update for plugins and themes.
*
* @since 5.5.0
*
* @param array $email {
* Array of email arguments that will be passed to wp_mail().
*
* @type string $to The email recipient. An array of emails
* can be returned, as handled by wp_mail().
* @type string $subject The email's subject.
* @type string $body The email message body.
* @type string $headers Any email headers, defaults to no headers.
* }
* @param string $type The type of email being sent. Can be one of 'success', 'fail', 'mixed'.
* @param array $successful_updates A list of updates that succeeded.
* @param array $failed_updates A list of updates that failed.
*/
$email = apply_filters( 'auto_plugin_theme_update_email', $email, $type, $successful_updates, $failed_updates );
$result = wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] );
if ( $result ) {
update_option( 'auto_plugin_theme_update_emails', $past_failure_emails );
}
}