WP_Automatic_Updater::send_core_update_notification_email( object $item ): bool

Source

protected function send_core_update_notification_email( $item ) {
	$notified = get_site_option( 'auto_core_update_notified' );

	// Don't notify if we've already notified the same email address of the same version.
	if ( $notified
		&& get_site_option( 'admin_email' ) === $notified['email']
		&& $notified['version'] === $item->current
	) {
		return false;
	}

	// See if we need to notify users of a core update.
	$notify = ! empty( $item->notify_email );

	/**
	 * Filters whether to notify the site administrator of a new core update.
	 *
	 * By default, administrators are notified when the update offer received
	 * from WordPress.org sets a particular flag. This allows some discretion
	 * in if and when to notify.
	 *
	 * This filter is only evaluated once per release. If the same email address
	 * was already notified of the same new version, WordPress won't repeatedly
	 * email the administrator.
	 *
	 * This filter is also used on about.php to check if a plugin has disabled
	 * these notifications.
	 *
	 * @since 3.7.0
	 *
	 * @param bool   $notify Whether the site administrator is notified.
	 * @param object $item   The update offer.
	 */
	if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) {
		return false;
	}

	$this->send_email( 'manual', $item );
	return true;
}

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