$data The current data for update_plugins.
 *
 * @return stdClass Extended data for update_plugins.
 */
 public function check_for_updates( $data ) {
 global $wp_version;
 if ( empty( $data ) ) {
 return $data;
 }
 // We have to figure out if we're safe to upgrade the add-ons, based on what the latest Yoast Free requirements for the WP version is.
 $yoast_free_data = $this->extract_yoast_data( $data );
 foreach ( $this->get_installed_addons() as $plugin_file => $installed_plugin ) {
 $subscription_slug = $this->get_slug_by_plugin_file( $plugin_file );
 $subscription      = $this->get_subscription( $subscription_slug );
 if ( ! $subscription ) {
 continue;
 }
 $plugin_data = $this->convert_subscription_to_plugin( $subscription, $yoast_free_data, false, $plugin_file );
 // Let's assume for now that it will get added in the 'no_update' key that we'll return to the WP API.
 $is_no_update = true;
 // If the add-on's version is the latest, we have to do no further checks.
 if ( version_compare( $installed_plugin['Version'], $plugin_data->new_version, '<' ) ) {
 // If we haven't retrieved the Yoast Free requirements for the WP version yet, do nothing. The next run will probably get us that information.
 if ( $plugin_data->requires === null ) {
 continue;
 }
 if ( version_compare( $plugin_data->requires, $wp_version, '<=' ) ) {
 // The add-on has an available update *and* the Yoast Free requirements for the WP version are also met, so go ahead and show the upgrade info to the user.
 $is_no_update                   = false;
 $data->response[ $plugin_file ] = $plugin_data;
 if ( $this->has_subscription_expired( $subscription ) ) {
 unset( $data->response[ $plugin_file ]->package, $data->response[ $plugin_file ]->download_link );
 }
 }
 }
 if ( $is_no_update ) {
 // Still convert subscription when no updates is available.
 $data->no_update[ $plugin_file ] = $plugin_data;
 if ( $this->has_subscription_expired( $subscription ) ) {
 unset( $data->no_update[ $plugin_file ]->package, $data->no_update[ $plugin_file ]->download_link );
 }
 }
 }
 return $data;
 }
 /**
 * Extracts Yoast SEO Free's data from the wp.org API response.
 *
 * @param object $data The wp.org API response.
 *
 * @return object Yoast Free's data from wp.org.
 */
 protected function extract_yoast_data( $data ) {
 if ( isset( $data->response[ WPSEO_BASENAME ] ) ) {
 return $data->response[ WPSEO_BASENAME ];
 }
 if ( isset( $data->no_update[ WPSEO_BASENAME ] ) ) {
 return $data->no_update[ WPSEO_BASENAME ];
 }
 return (object) [];
 }
 /**
 * If the plugin is lacking an active subscription, throw a warning.
 *
 * @param array $plugin_data The data for the plugin in this row.
 *
 * @return void
 */
 public function expired_subscription_warning( $plugin_data ) {
 $subscription = $this->get_subscription( $plugin_data['slug'] );
 if ( $subscription && $this->has_subscription_expired( $subscription ) ) {
 $addon_link = ( isset( $this->addon_details[ $plugin_data['slug'] ] ) ) ? $this->addon_details[ $plugin_data['slug'] ]['short_link_renewal'] : $this->addon_details[ self::PREMIUM_SLUG ]['short_link_renewal'];
 $sale_copy = '';
 if ( YoastSEO()->classes->get( Promotion_Manager::class )->is( 'black-friday-promotion' ) ) {
 $sale_copy = sprintf(
 /* translators: %1$s and %2$s are a <span> opening and closing tag. */
 esc_html__( '%1$s30%% OFF - Black Friday %2$s', 'wordpress-seo' ),
 '<span class="yoast-update-plugin-bf-sale-badge">',
 '</span>'
 );
 }
 echo '<br><br>';
 echo '<strong><span class="yoast-dashicons-notice warning dashicons dashicons-warning"></span> '
 . sprintf(
 /* translators: %1$s is the plugin name, %2$s and %3$s are a link. */
 esc_html__( 'Your %1$s plugin cannot be updated as your subscription has expired. %2$sRenew your product subscription%3$s to restore updates and full feature access.', 'wordpress-seo' ),
 esc_html( $plugin_data['name'] ),
 '<a href="' . esc_url( WPSEO_Shortlinker::get( $addon_link ) ) . '">',
 '</a>'
 )
 // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output is escaped above.
 . $sale_copy
 . '</strong>';
 }
 }
 /**
 * Checks if there are any installed addons.
 *
 * @return bool True when there are installed Yoast addons.
 */
 public function has_installed_addons() {
 $installed_addons = $this->get_installed_addons();
 return ! empty( $installed_addons );
 }
 /**
 * Checks if the plugin is installed and activated in WordPress.
 *
 * @param string $slug The class' slug.
 *
 * @return bool True when installed and activated.
 */
 public function is_installed( $slug ) {
 $slug_to_class_map = [
 static::PREMIUM_SLUG     => 'WPSEO_Premium',
 static::NEWS_SLUG        => 'WPSEO_News',
 static::WOOCOMMERCE_SLUG => 'Yoast_WooCommerce_SEO',
 static::VIDEO_SLUG       => 'WPSEO_Video_Sitemap',
 static::LOCAL_SLUG       => 'WPSEO_Local_Core',
 ];
 if ( ! isset( $slug_to_class_map[ $slug ] ) ) {
 return false;
 }
 return class_exists( $slug_to_class_map[ $slug ] );
 }
 /**
 * Validates the addons and show a notice for the ones that are invalid.
 *
 * @return void
 */
 public function validate_addons() {
 $notification_center = Yoast_Notification_Center::get();
 if ( $notification_center === null ) {
 return;
 }
 foreach ( $this->addon_details as $slug => $addon_info ) {
 $notification = $this->create_notification( $addon_info['name'], $addon_info['short_link_activation'] );
 // Add a notification when the installed plugin isn't activated in My Yoast.
 if ( $this->is_installed( $slug ) && ! $this->has_valid_subscription( $slug ) ) {
 $notification_center->add_notification( $notification );
 continue;
 }
 $notification_center->remove_notification( $notification );
 }
 }
 /**
 * Checks if the user has any active addons.
 *
 * @return bool Whether there are active addons.
 */
 public function has_active_addons() {
 $active_addons = $this->get_active_addons();
 return ! empty( $active_addons );
 }
 /**
 * Removes the site information transients.
 *
 * @codeCoverageIgnore
 *
 * @return void
 */
 public function remove_site_information_transients() {
 delete_transient( self::SITE_INFORMATION_TRANSIENT );
 delete_transient( self::SITE_INFORMATION_TRANSIENT_QUICK );
 }
 /**
 * Creates an instance of Yoast_Notification.
 *
 * @param string $product_name The product to create the notification for.
 * @param string $short_link   The short link for the addon notification.
 *
 * @return Yoast_Notification The created notification.
 */
 protected function create_notification( $product_name, $short_link ) {
 $notification_options = [
 'type'         => Yoast_Notification::ERROR,
 'id'           => 'wpseo-dismiss-' . sanitize_title_with_dashes( $product_name, null, 'save' ),
 'capabilities' => 'wpseo_manage_options',
 ];
 return new Yoast_Notification(
 sprintf(
 /* translators: %1$s expands to a strong tag, %2$s expands to the product name, %3$s expands to a closing strong tag, %4$s expands to an a tag. %5$s expands to MyYoast, %6$s expands to a closing a tag,  %7$s expands to the product name  */
 __( '%1$s %2$s isn\'t working as expected %3$s and you are not receiving updates or support! Make sure to %4$s activate your product subscription in %5$s%6$s to unlock all the features of %7$s.', 'wordpress-seo' ),
 '<strong>',
 $product_name,
 '</strong>',
 '<a href="' . WPSEO_Shortlinker::get( $short_link ) . '" target="_blank">',
 'MyYoast',
 '</a>',
 $product_name
 ),
 $notification_options
 );
 }
 /**
 * Checks whether a plugin expiry date has been passed.
 *
 * @param stdClass $subscription Plugin subscription.
 *
 * @return bool Has the plugin expired.
 */
 protected function has_subscription_expired( $subscription ) {
 return ( strtotime( $subscription->expiry_date ) - time() ) < 0;
 }
 /**
 * Converts a subscription to plugin based format.
 *
 * @param stdClass      $subscription    The subscription to convert.
 * @param stdClass|null $yoast_free_data The Yoast Free's data.
 * @param bool          $plugin_info     Whether we're in the plugin information modal.
 * @param string        $plugin_file     The plugin filename.
 *
 * @return stdClass The converted subscription.
 */
 protected function convert_subscription_to_plugin( $subscription, $yoast_free_data = null, $plugin_info = false, $plugin_file = '' ) {
 $changelog = '';
 if ( isset( $subscription->product->changelog ) ) {
 // We need to replace h2's and h3's with h4's because the styling expects that.
 $changelog = str_replace( '</h2', '</h4', str_replace( '<h2', '<h4', $subscription->product->changelog ) );
 $changelog = str_replace( '</h3', '</h4', str_replace( '<h3', '<h4', $changelog ) );
 }
 // If we're running this because we want to just show the plugin info in the version details modal, we can fallback to the Yoast Free constants, since that modal will not be accessible anyway in the event that the new Free version increases those constants.
 $defaults = [
 // It can be expanded if we have the 'tested' and 'requires_php' data be returned from wp.org in the future.
 'requires'     => ( $plugin_info ) ? YOAST_SEO_WP_REQUIRED : null,
 ];
 return (object) [
 'new_version'      => ( $subscription->product->version ?? '' ),
 'name'             => $subscription->product->name,
 'slug'             => $subscription->product->slug,
 'plugin'           => $plugin_file,
 'url'              => $subscription->product->store_url,
 'last_update'      => $subscription->product->last_updated,
 'homepage'         => $subscription->product->store_url,
 'download_link'    => $subscription->product->download,
 'package'          => $subscription->product->download,
 'sections'         => [
 'changelog' => $changelog,
 'support'   => $this->get_support_section(),
 ],
 'icons'            => [
 '2x' => $this->get_icon( $subscription->product->slug ),
 ],
 'update_supported' => true,
 'banners'          => $this->get_banners( $subscription->product->slug ),
 // If we have extracted Yoast Free's data before, use that. If not, resort to the defaults.
 'tested'           => YOAST_SEO_WP_TESTED,
 'requires'         => ( $yoast_free_data->requires ?? $defaults['requires'] ),
 'requires_php'     => YOAST_SEO_PHP_REQUIRED,
 ];
 }
 /**
 * Returns the plugin's icon URL.
 *
 * @param string $slug The plugin slug.
 *
 * @return string The icon URL for this plugin.
 */
 protected function get_icon( $slug ) {
 switch ( $slug ) {
 case self::LOCAL_SLUG:
 return 'https://yoa.st/local-seo-icon';
 case self::NEWS_SLUG:
 return 'https://yoa.st/news-seo-icon';
 case self::PREMIUM_SLUG:
 return 'https://yoa.st/yoast-seo-icon';
 case self::VIDEO_SLUG:
 return 'https://yoa.st/video-seo-icon';
 case self::WOOCOMMERCE_SLUG:
 return 'https://yoa.st/woo-seo-icon';
 }
 }
 /**
 * Return an array of plugin banner URLs.
 *
 * @param string $slug The plugin slug.
 *
 * @return string[]
 */
 protected function get_banners( $slug ) {
 switch ( $slug ) {
 case self::LOCAL_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-local',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-local',
 ];
 case self::NEWS_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-news',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-news',
 ];
 case self::PREMIUM_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-premium',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-premium',
 ];
 case self::VIDEO_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-video',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-video',
 ];
 case self::WOOCOMMERCE_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-woo',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-woo',
 ];
 }
 }
 /**
 * Checks if the given plugin_file belongs to a Yoast addon.
 *
 * @param string $plugin_file Path to the plugin.
 *
 * @return bool Tr $data The current data for update_plugins.
 *
 * @return stdClass Extended data for update_plugins.
 */
 public function check_for_updates( $data ) {
 global $wp_version;
 if ( empty( $data ) ) {
 return $data;
 }
 // We have to figure out if we're safe to upgrade the add-ons, based on what the latest Yoast Free requirements for the WP version is.
 $yoast_free_data = $this->extract_yoast_data( $data );
 foreach ( $this->get_installed_addons() as $plugin_file => $installed_plugin ) {
 $subscription_slug = $this->get_slug_by_plugin_file( $plugin_file );
 $subscription      = $this->get_subscription( $subscription_slug );
 if ( ! $subscription ) {
 continue;
 }
 $plugin_data = $this->convert_subscription_to_plugin( $subscription, $yoast_free_data, false, $plugin_file );
 // Let's assume for now that it will get added in the 'no_update' key that we'll return to the WP API.
 $is_no_update = true;
 // If the add-on's version is the latest, we have to do no further checks.
 if ( version_compare( $installed_plugin['Version'], $plugin_data->new_version, '<' ) ) {
 // If we haven't retrieved the Yoast Free requirements for the WP version yet, do nothing. The next run will probably get us that information.
 if ( $plugin_data->requires === null ) {
 continue;
 }
 if ( version_compare( $plugin_data->requires, $wp_version, '<=' ) ) {
 // The add-on has an available update *and* the Yoast Free requirements for the WP version are also met, so go ahead and show the upgrade info to the user.
 $is_no_update                   = false;
 $data->response[ $plugin_file ] = $plugin_data;
 if ( $this->has_subscription_expired( $subscription ) ) {
 unset( $data->response[ $plugin_file ]->package, $data->response[ $plugin_file ]->download_link );
 }
 }
 }
 if ( $is_no_update ) {
 // Still convert subscription when no updates is available.
 $data->no_update[ $plugin_file ] = $plugin_data;
 if ( $this->has_subscription_expired( $subscription ) ) {
 unset( $data->no_update[ $plugin_file ]->package, $data->no_update[ $plugin_file ]->download_link );
 }
 }
 }
 return $data;
 }
 /**
 * Extracts Yoast SEO Free's data from the wp.org API response.
 *
 * @param object $data The wp.org API response.
 *
 * @return object Yoast Free's data from wp.org.
 */
 protected function extract_yoast_data( $data ) {
 if ( isset( $data->response[ WPSEO_BASENAME ] ) ) {
 return $data->response[ WPSEO_BASENAME ];
 }
 if ( isset( $data->no_update[ WPSEO_BASENAME ] ) ) {
 return $data->no_update[ WPSEO_BASENAME ];
 }
 return (object) [];
 }
 /**
 * If the plugin is lacking an active subscription, throw a warning.
 *
 * @param array $plugin_data The data for the plugin in this row.
 *
 * @return void
 */
 public function expired_subscription_warning( $plugin_data ) {
 $subscription = $this->get_subscription( $plugin_data['slug'] );
 if ( $subscription && $this->has_subscription_expired( $subscription ) ) {
 $addon_link = ( isset( $this->addon_details[ $plugin_data['slug'] ] ) ) ? $this->addon_details[ $plugin_data['slug'] ]['short_link_renewal'] : $this->addon_details[ self::PREMIUM_SLUG ]['short_link_renewal'];
 $sale_copy = '';
 if ( YoastSEO()->classes->get( Promotion_Manager::class )->is( 'black-friday-promotion' ) ) {
 $sale_copy = sprintf(
 /* translators: %1$s and %2$s are a <span> opening and closing tag. */
 esc_html__( '%1$s30%% OFF - Black Friday %2$s', 'wordpress-seo' ),
 '<span class="yoast-update-plugin-bf-sale-badge">',
 '</span>'
 );
 }
 echo '<br><br>';
 echo '<strong><span class="yoast-dashicons-notice warning dashicons dashicons-warning"></span> '
 . sprintf(
 /* translators: %1$s is the plugin name, %2$s and %3$s are a link. */
 esc_html__( 'Your %1$s plugin cannot be updated as your subscription has expired. %2$sRenew your product subscription%3$s to restore updates and full feature access.', 'wordpress-seo' ),
 esc_html( $plugin_data['name'] ),
 '<a href="' . esc_url( WPSEO_Shortlinker::get( $addon_link ) ) . '">',
 '</a>'
 )
 // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output is escaped above.
 . $sale_copy
 . '</strong>';
 }
 }
 /**
 * Checks if there are any installed addons.
 *
 * @return bool True when there are installed Yoast addons.
 */
 public function has_installed_addons() {
 $installed_addons = $this->get_installed_addons();
 return ! empty( $installed_addons );
 }
 /**
 * Checks if the plugin is installed and activated in WordPress.
 *
 * @param string $slug The class' slug.
 *
 * @return bool True when installed and activated.
 */
 public function is_installed( $slug ) {
 $slug_to_class_map = [
 static::PREMIUM_SLUG     => 'WPSEO_Premium',
 static::NEWS_SLUG        => 'WPSEO_News',
 static::WOOCOMMERCE_SLUG => 'Yoast_WooCommerce_SEO',
 static::VIDEO_SLUG       => 'WPSEO_Video_Sitemap',
 static::LOCAL_SLUG       => 'WPSEO_Local_Core',
 ];
 if ( ! isset( $slug_to_class_map[ $slug ] ) ) {
 return false;
 }
 return class_exists( $slug_to_class_map[ $slug ] );
 }
 /**
 * Validates the addons and show a notice for the ones that are invalid.
 *
 * @return void
 */
 public function validate_addons() {
 $notification_center = Yoast_Notification_Center::get();
 if ( $notification_center === null ) {
 return;
 }
 foreach ( $this->addon_details as $slug => $addon_info ) {
 $notification = $this->create_notification( $addon_info['name'], $addon_info['short_link_activation'] );
 // Add a notification when the installed plugin isn't activated in My Yoast.
 if ( $this->is_installed( $slug ) && ! $this->has_valid_subscription( $slug ) ) {
 $notification_center->add_notification( $notification );
 continue;
 }
 $notification_center->remove_notification( $notification );
 }
 }
 /**
 * Checks if the user has any active addons.
 *
 * @return bool Whether there are active addons.
 */
 public function has_active_addons() {
 $active_addons = $this->get_active_addons();
 return ! empty( $active_addons );
 }
 /**
 * Removes the site information transients.
 *
 * @codeCoverageIgnore
 *
 * @return void
 */
 public function remove_site_information_transients() {
 delete_transient( self::SITE_INFORMATION_TRANSIENT );
 delete_transient( self::SITE_INFORMATION_TRANSIENT_QUICK );
 }
 /**
 * Creates an instance of Yoast_Notification.
 *
 * @param string $product_name The product to create the notification for.
 * @param string $short_link   The short link for the addon notification.
 *
 * @return Yoast_Notification The created notification.
 */
 protected function create_notification( $product_name, $short_link ) {
 $notification_options = [
 'type'         => Yoast_Notification::ERROR,
 'id'           => 'wpseo-dismiss-' . sanitize_title_with_dashes( $product_name, null, 'save' ),
 'capabilities' => 'wpseo_manage_options',
 ];
 return new Yoast_Notification(
 sprintf(
 /* translators: %1$s expands to a strong tag, %2$s expands to the product name, %3$s expands to a closing strong tag, %4$s expands to an a tag. %5$s expands to MyYoast, %6$s expands to a closing a tag,  %7$s expands to the product name  */
 __( '%1$s %2$s isn\'t working as expected %3$s and you are not receiving updates or support! Make sure to %4$s activate your product subscription in %5$s%6$s to unlock all the features of %7$s.', 'wordpress-seo' ),
 '<strong>',
 $product_name,
 '</strong>',
 '<a href="' . WPSEO_Shortlinker::get( $short_link ) . '" target="_blank">',
 'MyYoast',
 '</a>',
 $product_name
 ),
 $notification_options
 );
 }
 /**
 * Checks whether a plugin expiry date has been passed.
 *
 * @param stdClass $subscription Plugin subscription.
 *
 * @return bool Has the plugin expired.
 */
 protected function has_subscription_expired( $subscription ) {
 return ( strtotime( $subscription->expiry_date ) - time() ) < 0;
 }
 /**
 * Converts a subscription to plugin based format.
 *
 * @param stdClass      $subscription    The subscription to convert.
 * @param stdClass|null $yoast_free_data The Yoast Free's data.
 * @param bool          $plugin_info     Whether we're in the plugin information modal.
 * @param string        $plugin_file     The plugin filename.
 *
 * @return stdClass The converted subscription.
 */
 protected function convert_subscription_to_plugin( $subscription, $yoast_free_data = null, $plugin_info = false, $plugin_file = '' ) {
 $changelog = '';
 if ( isset( $subscription->product->changelog ) ) {
 // We need to replace h2's and h3's with h4's because the styling expects that.
 $changelog = str_replace( '</h2', '</h4', str_replace( '<h2', '<h4', $subscription->product->changelog ) );
 $changelog = str_replace( '</h3', '</h4', str_replace( '<h3', '<h4', $changelog ) );
 }
 // If we're running this because we want to just show the plugin info in the version details modal, we can fallback to the Yoast Free constants, since that modal will not be accessible anyway in the event that the new Free version increases those constants.
 $defaults = [
 // It can be expanded if we have the 'tested' and 'requires_php' data be returned from wp.org in the future.
 'requires'     => ( $plugin_info ) ? YOAST_SEO_WP_REQUIRED : null,
 ];
 return (object) [
 'new_version'      => ( $subscription->product->version ?? '' ),
 'name'             => $subscription->product->name,
 'slug'             => $subscription->product->slug,
 'plugin'           => $plugin_file,
 'url'              => $subscription->product->store_url,
 'last_update'      => $subscription->product->last_updated,
 'homepage'         => $subscription->product->store_url,
 'download_link'    => $subscription->product->download,
 'package'          => $subscription->product->download,
 'sections'         => [
 'changelog' => $changelog,
 'support'   => $this->get_support_section(),
 ],
 'icons'            => [
 '2x' => $this->get_icon( $subscription->product->slug ),
 ],
 'update_supported' => true,
 'banners'          => $this->get_banners( $subscription->product->slug ),
 // If we have extracted Yoast Free's data before, use that. If not, resort to the defaults.
 'tested'           => YOAST_SEO_WP_TESTED,
 'requires'         => ( $yoast_free_data->requires ?? $defaults['requires'] ),
 'requires_php'     => YOAST_SEO_PHP_REQUIRED,
 ];
 }
 /**
 * Returns the plugin's icon URL.
 *
 * @param string $slug The plugin slug.
 *
 * @return string The icon URL for this plugin.
 */
 protected function get_icon( $slug ) {
 switch ( $slug ) {
 case self::LOCAL_SLUG:
 return 'https://yoa.st/local-seo-icon';
 case self::NEWS_SLUG:
 return 'https://yoa.st/news-seo-icon';
 case self::PREMIUM_SLUG:
 return 'https://yoa.st/yoast-seo-icon';
 case self::VIDEO_SLUG:
 return 'https://yoa.st/video-seo-icon';
 case self::WOOCOMMERCE_SLUG:
 return 'https://yoa.st/woo-seo-icon';
 }
 }
 /**
 * Return an array of plugin banner URLs.
 *
 * @param string $slug The plugin slug.
 *
 * @return string[]
 */
 protected function get_banners( $slug ) {
 switch ( $slug ) {
 case self::LOCAL_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-local',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-local',
 ];
 case self::NEWS_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-news',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-news',
 ];
 case self::PREMIUM_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-premium',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-premium',
 ];
 case self::VIDEO_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-video',
 'low'  => 'https://yoa.st/yoast-seo-banner-low-video',
 ];
 case self::WOOCOMMERCE_SLUG:
 return [
 'high' => 'https://yoa.st/yoast-seo-banner-woo',
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<span class="price"><span class="amount">رایگان!</span></span></div></div></div></div></div><div class="course-item post-13337 product type-product status-publish has-post-thumbnail product_cat-106  instock shipping-taxable product-type-simple"><div class="course-item-inner"><div class="course-thumbnail-holder"> <a href="https://keysaan.com/product/reinforcement-course/"> <img loading="lazy" decoding="async" width="400" height="229" src="https://keysaan.com/wp-content/uploads/2020/11/1403-6-25-5-400x229.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="دوره تقویتی موسسه کیسان برای ارتقا نمرات و پیشرفت تحصیلی دانش‌آموزان." srcset="https://keysaan.com/wp-content/uploads/2020/11/1403-6-25-5-400x229.jpg 400w, https://keysaan.com/wp-content/uploads/2020/11/1403-6-25-5-300x171.jpg 300w, https://keysaan.com/wp-content/uploads/2020/11/1403-6-25-5-1024x585.jpg 1024w, https://keysaan.com/wp-content/uploads/2020/11/1403-6-25-5-768x439.jpg 768w, 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class="rating">بدون امتیاز</span> <span class="votes-number">0 رای</span> </span></div> <span class="price"><span class="amount">رایگان!</span></span></div><div class="teacher-box"></div></div></div><div class="course-content-bottom"><div class="course-students"></div><div class="course-price"> <span class="price"><span class="amount">رایگان!</span></span></div></div></div></div></div><div class="course-item post-13333 product type-product status-publish has-post-thumbnail product_cat-konkur last instock shipping-taxable product-type-simple"><div class="course-item-inner"><div class="course-thumbnail-holder"> <a href="https://keysaan.com/product/konkur/"> <img loading="lazy" decoding="async" width="400" height="229" src="https://keysaan.com/wp-content/uploads/2020/11/1403-12-30-6-400x229.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="کلاس کنکور تخصصی با حضور اساتید برجسته در موسسه کیسان." srcset="https://keysaan.com/wp-content/uploads/2020/11/1403-12-30-6-400x229.jpg 400w, https://keysaan.com/wp-content/uploads/2020/11/1403-12-30-6-64x36.jpg 64w" sizes="(max-width: 400px) 100vw, 400px" /> </a> <a href="https://keysaan.com/product/konkur/" data-quantity="1" class="button product_type_simple add-to-cart-loop" data-product_id="13333" data-product_sku="کنکور" aria-label="بیشتر بخوانید درباره &ldquo;دوره کنکور&rdquo;" rel="nofollow" data-success_message="" title="ثبت نام دوره"><i class="fal fa-user-plus"></i></a></div><div class="course-content-holder"><div class="course-content-main"><div class="course-top-content"><h3 class="course-title"> <a href="https://keysaan.com/product/konkur/">دوره کنکور</a></h3></div><div class="course-rating-teacher"><div class="average-rating-stars"><div class="star-rating no-ratings" title="هنوز امتیازی ثبت نشده است"> <span style="width:0%"> <span class="rating">بدون امتیاز</span> <span class="votes-number">0 رای</span> </span></div> <span class="price"><span class="amount">رایگان!</span></span></div><div class="teacher-box"></div></div></div><div class="course-content-bottom"><div class="course-students"></div><div class="course-price"> <span class="price"><span class="amount">رایگان!</span></span></div></div></div></div></div></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div  class="wpb_single_image wpb_content_element vc_align_center"><figure class="wpb_wrapper vc_figure"> <a href="https://keysaan.com/category/children-and-teenagers-department-of-keysaan/" target="_self" class="vc_single_image-wrapper   vc_box_border_grey"><img loading="lazy" decoding="async" class="vc_single_image-img " src="https://keysaan.com/wp-content/uploads/2025/02/1403-11-12-3.jpg" width="1200" height="500" alt="دپارتمان کودک و نوجوان کیسان" title="1403-11-12-3" /></a></figure></div><div  class="wpb_single_image wpb_content_element vc_align_center"><figure class="wpb_wrapper vc_figure"> <a href="https://keysaan.com/2021/01/10/gardner-test/" target="_blank" class="vc_single_image-wrapper   vc_box_border_grey"><img loading="lazy" decoding="async" class="vc_single_image-img " src="https://keysaan.com/wp-content/uploads/2025/02/1403-11-12-4.jpg" width="1200" height="500" alt="تست گاردنر" title="1403-11-12-4" /></a></figure></div></div></div></div></div><div data-vc-full-width="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1555080434146 vc_row-has-fill"><div class="text-center wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><h4 style="font-size: 21px;color: #434a59;line-height: 30px;text-align: center" class="vc_custom_heading" >فرصت باقی مانده به لایو رابطه تحصیل با شغل</h4><div class="countdown-timer-holder medium center standard"><div class="countdown-item" data-date="2025/2/4"></div></div> <a href="https://keysaan.com/product/public-relations-and-communications/" class="btn btn-filled md center  vc_custom_1610379829748" target="_blank" title="ثبت نام زود هنگام!" >ثبت نام زود هنگام!</a></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="section-heading"><h2 class="section-title" >نظرات مشتریان</h2></div><div class="clearfix"></div></div></div></div></div><div data-vc-full-width="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="testimonials-wrapper vc_custom_1719046982418"><div class="testimonials-carousel owl-carousel" data-loop="true"  data-autoplay="true" data-slider-items="2"><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> کلاس عربی فوق العاده بود. ممنون</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">شهرام حمامی</h5></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> کلاس های زییست موسسه کیسان رو توصیه میکنم.</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">کمیل روزبهانی</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> من از کلاس های ریاضی استفاده کردم و نتیجه خوبی گرفتم.</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">علیرضا معزی</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> سوالات فیزیک کنکور کاملا شبیه نمونه سوالایی که بهمون داده بودین بود</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">بیتا پیمان</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> کلاس فیزیک از تمام جهات خیلی عالی بود</p><p>من توی کنکور تستی رو ندیدم که شما توی جزوه یا کلاس به نکته یا مفهومش اشاره نکرده باشید</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">کوثر کاوه</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> اساتید واقعا عالی هستن و در پیشرفت تحصیلی من خیلی کمک کردن و باعث شد که من رشته ای که دوست داشتم رد در دانشگاه خوب قبول بشم</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">امیر جلینی</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> دخترم الان تو حروف الفبا از همکلاسیاش خیلی راحتتر یاد می گیره، ممنون از زحمات تون</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">خانم دادبان</h5> <span class="testimonial-author-role">ولی دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> دخترم روابط عمومی دانشگاه علامه طباطبایی قبول شد اونم روزانه</p><p>ممنون از راهنمایی هاتون که باعث این نتیجه شد</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">خانم ایثارگر</h5> <span class="testimonial-author-role">ولی دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> من تا الان آموزشگاه های زیادی رو تجربه کردم ولی کیسان یه حس و حال دیگه ای برام داشت</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">محمدرضا اسلامی</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div><div class="testimonial-item"><div class="testimonial-inner"><div class="testimonial-content"><blockquote> بنده از کادر آموزشی، پیگیری مشاور و عملکرد موسسه بسیار راضی هستم</blockquote></div><div class="testimonial-author"><div class="testimonial-author-main"><h5 class="testimonial-author-name">ایلیا ایزدخواه</h5> <span class="testimonial-author-role">دانش آموز</span></div></div></div></div></div></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div  class="wpb_single_image wpb_content_element vc_align_left"><figure class="wpb_wrapper vc_figure"> <a href="https://www.instagram.com/keysaanofficial?igsh=MTY1OWd1dXNrbWswaA==" target="_self" class="vc_single_image-wrapper   vc_box_border_grey"><img loading="lazy" decoding="async" class="vc_single_image-img " src="https://keysaan.com/wp-content/uploads/2025/02/1403-11-1.jpg" width="1000" height="1000" alt="پیج اینستاگرام کیسان" title="1403-11-1" /></a></figure></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space"   style="height: 32px"><span class="vc_empty_space_inner"></span></div><div  class="wpb_single_image wpb_content_element vc_align_center"><figure class="wpb_wrapper vc_figure"> <a href="https://keysaan.com/pre-registration-consultation/" target="_blank" class="vc_single_image-wrapper   vc_box_border_grey"><img loading="lazy" decoding="async" class="vc_single_image-img " src="https://keysaan.com/wp-content/uploads/2025/02/1403-11-12-2.jpg" width="1200" height="500" alt="مشاوره رایگان" title="1403-11-12-2" /></a></figure></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid vc_custom_1571766164245"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="section-heading"><h2 class="section-title" >اخبار کیسان</h2> <span class="section-subtitle" >مجله</span></div><div class="section-button"> <a href="#" class="btn btn-border" target="" title="آرشیو مقالات"> 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 viewBox="0 0 128 128" style="enable-background:new 0 0 128 128;" xml:space="preserve"> <g><path d="M101.682,32.206L69.887,64l31.795,31.794l-5.887,5.888L64,69.888l-31.794,31.794l-5.888-5.888L58.112,64
 L26.318,32.206l5.888-5.888L64,58.112l31.794-31.794L101.682,32.206z"/></g> </svg> </a><div class="login-form-header"><p class="login-title">ورود</p></div><div class="login-form-content"><form method="post" class="login" action="https://keysaan.com/my-account/"><p class="woocommerce-FormRow woocommerce-FormRow--wide form-row form-row-wide form-row-username"> <label for="username">نام کاربری: <i class="fal fa-user-alt"></i></a> <input type="text" class="woocommerce-Input woocommerce-Input--text input-text" name="username" id="username" value="" /> </label></p><p class="woocommerce-FormRow woocommerce-FormRow--wide form-row form-row-wide form-row-password"> <label for="password">رمز عبور: <i class="fal fa-lock-open"></i> <input class="woocommerce-Input woocommerce-Input--text input-text" type="password" name="password" id="password" /> </label></p><div class="login-form-remember"> <label class="remember-me-label inline"> <input name="rememberme" type="checkbox" value="forever" /> مرا به خاطر داشته باش </label> <a href="https://keysaan.com/my-account/lost-password/" class="woocommerce-LostPassword lost_password">رمز عبور را فراموش کرده اید؟</a></div><p class="form-row"> <input type="hidden" id="_wpnonce" name="_wpnonce" value="521922231a" /><input type="hidden" name="_wp_http_referer" value="/?add-to-cart=14478&#038;wordfence_syncAttackData=1775985209.0336" /> <input type="submit" class="woocommerce-Button button" name="login" value="ورود" /></p></form> هنوز عضو نشده اید؟ <a href="https://keysaan.com/my-account/"><strong>عضویت در سایت</strong></a></div></div></div></div></div> <script defer src="https://keysaan.com/wp-content/uploads/siteground-optimizer-assets/siteground-optimizer-combined-js-e503459cd9bbf46767932bc890f2c8b0.js"></script></body></html>