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Direktori : /home/emergentqj/jugement/wp-content/plugins/jetpack/modules/seo-tools/ |
Current File : /home/emergentqj/jugement/wp-content/plugins/jetpack/modules/seo-tools/jetpack-seo-utils.php |
<?php /** * Class containing utility static methods that other SEO tools are relying on. */ class Jetpack_SEO_Utils { /** * Site option name used to store front page meta description. */ const FRONT_PAGE_META_OPTION = 'advanced_seo_front_page_description'; /** * Old version of option name that was previously used under Free plan. */ const GRANDFATHERED_META_OPTION = 'seo_meta_description'; /** * Used to check whether SEO tools are enabled for given site. * * @param int $site_id Optional. Defaults to current blog id if not given. * * @return bool True if SEO tools are enabled, false otherwise. */ public static function is_enabled_jetpack_seo( $site_id = 0 ) { /** * Can be used by SEO plugin authors to disable the conflicting output of SEO Tools. * * @module seo-tools * * @since 5.0.0 * * @param bool True if SEO Tools should be disabled, false otherwise. */ if ( apply_filters( 'jetpack_disable_seo_tools', false ) ) { return false; } if ( function_exists( 'has_any_blog_stickers' ) ) { // For WPCOM sites if ( empty( $site_id ) ) { $site_id = get_current_blog_id(); } return has_any_blog_stickers( array( 'business-plan', 'ecommerce-plan' ), $site_id ); } // For all Jetpack sites return true; } /** * Checks if this option was set while it was still available under free plan. * * @return bool True if we should enable grandfathering, false otherwise. */ public static function has_grandfathered_front_page_meta() { return ! self::is_enabled_jetpack_seo() && get_option( self::GRANDFATHERED_META_OPTION ); } /** * Returns front page meta description for current site. * * Since we allowed non-business users to set Front page meta description for some time, * before bundling it with other SEO tools features that require a business plan, * we are supporting grandfathering here. * * @return string Front page meta description string or empty string. */ public static function get_front_page_meta_description() { if ( self::is_enabled_jetpack_seo() ) { $front_page_meta = get_option( self::FRONT_PAGE_META_OPTION ); return $front_page_meta ? $front_page_meta : get_option( self::GRANDFATHERED_META_OPTION, '' ); } // Support grandfathering for non-business users. return get_option( self::GRANDFATHERED_META_OPTION, '' ); } /** * Updates the site option value for front page meta description. * * We are taking care to update the correct option, in case the value is grandfathered for current site. * * @param $value string New value for front page meta description. * * @return string Saved value, or empty string if no update was performed. */ public static function update_front_page_meta_description( $value ) { $front_page_description = sanitize_text_field( $value ); /** * Can be used to limit the lenght of front page meta description. * * @module seo-tools * * @since 4.4.0 * * @param int Maximum length of front page meta description. Defaults to 300. */ $description_max_length = apply_filters( 'jetpack_seo_front_page_description_max_length', 300 ); if ( function_exists( 'mb_substr' ) ) { $front_page_description = mb_substr( $front_page_description, 0, $description_max_length ); } else { $front_page_description = substr( $front_page_description, 0, $description_max_length ); } $can_set_meta = self::is_enabled_jetpack_seo(); $grandfathered_meta_option = get_option( self::GRANDFATHERED_META_OPTION ); $has_old_meta = ! empty( $grandfathered_meta_option ); $option_name = self::has_grandfathered_front_page_meta() ? self::GRANDFATHERED_META_OPTION : self::FRONT_PAGE_META_OPTION; $did_update = update_option( $option_name, $front_page_description ); if ( $did_update && $has_old_meta && $can_set_meta ) { // Delete grandfathered option if user has switched to Business plan and updated meta description. delete_option( 'seo_meta_description' ); } if ( $did_update ) { return $front_page_description; } return ''; } }