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<?php
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/**
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* Code related to the update notification emails.
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*
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* @since 1.0.57
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* @package RankMath
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* @subpackage RankMath\Core
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath;
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use RankMath\KB;
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use RankMath\Traits\Hooker;
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use RankMath\Helper;
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defined( 'ABSPATH' ) || exit;
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/**
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* Common class.
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*/
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class Update_Email {
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use Hooker;
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/**
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* Constructor method.
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*/
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public function __construct() {
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$this->filter( 'pre_set_site_transient_update_plugins', 'maybe_send_update_notification_email', 130 );
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}
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/**
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* Maybe send the update notification email to the administrator if the setting is turned on.
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*
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* @param mixed $transient update_plugins site transient value.
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* @return mixed
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*/
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public function maybe_send_update_notification_email( $transient ) {
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if ( ! Helper::get_settings( 'general.update_notification_email' ) ) {
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return $transient;
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}
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$should_send = $this->do_filter( 'admin/should_send_update_notification', $this->should_send_email( $transient ), $transient );
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if ( ! $should_send ) {
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return $transient;
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}
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$to = get_site_option( 'admin_email' );
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// Translators: placeholder is the site title.
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$subject = __( '[%s] An update is available for Rank Math', 'rank-math' );
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$subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) );
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$body = [];
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$body[] = __( 'Hello,', 'rank-math' ) . "\n";
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// Translators: placeholder is the site URL.
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$body[] = sprintf( __( 'This is an automated email to let you know that there is an update available for the Rank Math SEO plugin installed on: %s', 'rank-math' ), get_home_url() ) . "\n";
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$products = $this->do_filter( 'admin/update_notification_products', $this->get_updatable_products( $transient ), $transient );
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$list = $this->get_products_list( $products );
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$body[] = $list;
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// Translators: placeholder is the new admin page URL.
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$body[] = sprintf( __( 'To ensure your site is always on the latest, most up-to-date version of Rank Math - we recommend logging into the admin area to update the plugin as soon as possible: %s', 'rank-math' ), admin_url( 'update-core.php' ) ) . "\n";
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// Add a note about the support forums.
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$body[] = __( 'If you have any questions or experience any issues – our support team is at your disposal:', 'rank-math' );
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$body[] = __( 'https://support.rankmath.com/', 'rank-math' );
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$body[] = "\n" . '-';
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$body[] = __( 'Rank Math Team', 'rank-math' );
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$body = implode( "\n", $body );
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$headers = '';
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$email = compact( 'to', 'subject', 'body', 'headers' );
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$email = $this->do_filter( 'admin/update_notification_email', $email );
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$result = wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] );
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$stored = get_option( 'rank_math_update_notifications_sent', [] );
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$new_opt = $stored;
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foreach ( $products as $key => $value ) {
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$new_opt[ $key ] = $value;
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}
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update_option( 'rank_math_update_notifications_sent', $new_opt, false );
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return $transient;
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}
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/**
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* Check if we should send an update email or not, based on the update_plugins transient value.
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*
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* @param mixed $transient Transient value.
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* @return boolean
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*/
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public function should_send_email( $transient ) {
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// No need to send email if auto-update is enabled.
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if ( Helper::get_auto_update_setting() ) {
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return false;
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}
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if ( ! is_object( $transient )
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|| empty( $transient->response )
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|| empty( $transient->response['seo-by-rank-math/rank-math.php'] )
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|| empty( $transient->response['seo-by-rank-math/rank-math.php']->new_version )
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) {
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return false;
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}
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$new_version = $transient->response['seo-by-rank-math/rank-math.php']->new_version;
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// Now let's check if we've already sent this email.
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$sent = get_option( 'rank_math_update_notifications_sent', [ 'free' => [ 'new_version' => '1.0' ] ] );
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if ( ! isset( $sent['free'] ) ) {
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$sent['free'] = [ 'new_version' => '1.0' ];
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}
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if ( version_compare( $sent['free']['new_version'], $new_version, '>=' ) ) {
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return false;
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}
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return true;
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}
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/**
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* Get list of updatable products and their data.
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*
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* @param mixed $transient The update_plugins transient value.
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* @return array
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*/
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public function get_updatable_products( $transient ) {
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if ( ! $this->should_send_email( $transient ) ) {
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return [];
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}
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$old_version = rank_math()->version;
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$new_version = $transient->response['seo-by-rank-math/rank-math.php']->new_version;
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$products = [
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'free' => [
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'name' => __( 'Rank Math Free', 'rank-math' ),
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'old_version' => $old_version,
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'new_version' => $new_version,
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'changelog' => KB::get( 'changelog-free', 'Changelog Update notification mail' ),
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],
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];
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return $products;
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}
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/**
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* Turn products array into a human-readable list.
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*
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* @param array $products_array Products array.
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* @return string
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*/
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public function get_products_list( $products_array ) {
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$list = '';
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foreach ( $products_array as $product_data ) {
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// Translators: placeholders are the old and new version numbers.
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$list .= sprintf( __( '%1$s: Old %2$s -> New %3$s | Changelog: %4$s', 'rank-math' ), $product_data['name'], $product_data['old_version'], $product_data['new_version'], $product_data['changelog'] ) . "\n";
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}
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return $list;
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}
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}
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