function amt_user_extra_fields_save($user_id) { /* Verify the nonce before proceeding. */ // Verify this came from the our screen and with proper authorization, // because save_post can be triggered at other times if (!isset($_POST['amt_noncename']) || !wp_verify_nonce($_POST['amt_noncename'], plugin_basename(AMT_PLUGIN_FILE))) { return; } // Get the Metadata metabox permissions (filtered) $metabox_permissions = amt_get_metadata_metabox_permissions(); // Global Metadata metabox permission check (can be user customized via filter). if (!current_user_can($metabox_permissions['global_metabox_capability'])) { return; } // Get the Add-Meta-Tags options. $options = amt_get_options(); // Check if the current user has permission to edit the post. if (!current_user_can('edit_published_posts')) { return; } // OK, we're authenticated: we need to find and save the data // // Sanitize user input // // Full metatags - We allow only <meta> elements. if (isset($_POST['amt_custom_full_metatags'])) { $full_metatags_value = esc_textarea(wp_kses(stripslashes($_POST['amt_custom_full_metatags']), amt_get_allowed_html_kses())); } // Image URL if (isset($_POST['amt_custom_image_url'])) { $image_url_value = amt_esc_id_or_url_notation(stripslashes($_POST['amt_custom_image_url'])); } // If a value has not been entered we try to delete existing data from the database // If the user has entered data, store it in the database. // Add-Meta-Tags custom field names $amt_full_metatags_field_name = '_amt_user_full_metatags'; $amt_image_url_field_name = '_amt_user_image_url'; // As an extra security measure, here we also check the user-defined per box // permissions before we save any data in the database. // per user profile full meta tags if ($options['metabox_user_enable_full_metatags'] == '1' && current_user_can($metabox_permissions['user_full_metatags_box_capability'])) { if (empty($full_metatags_value)) { delete_user_meta($user_id, $amt_full_metatags_field_name); } else { update_user_meta($user_id, $amt_full_metatags_field_name, $full_metatags_value); } } // Image URL if ($options['metabox_user_enable_image_url'] == '1' && current_user_can($metabox_permissions['user_image_url_box_capability'])) { if (empty($image_url_value)) { delete_user_meta($user_id, $amt_image_url_field_name); } else { update_user_meta($user_id, $amt_image_url_field_name, $image_url_value); } } }
/** * Saves the new settings in the database. * Accepts the POST request data. */ function amt_save_settings($post_payload) { // Default Add-Meta-Tags Settings $default_options = amt_get_default_options(); $add_meta_tags_opts = array(); foreach ($default_options as $def_key => $def_value) { // **Always** use the ``settings_version`` from the defaults if ($def_key == 'settings_version') { $add_meta_tags_opts['settings_version'] = $def_value; } elseif (array_key_exists($def_key, $post_payload)) { // Validate and sanitize input before adding to 'add_meta_tags_opts' if ($def_key == 'site_description') { $add_meta_tags_opts[$def_key] = sanitize_text_field(amt_sanitize_description(stripslashes($post_payload[$def_key]))); } elseif ($def_key == 'site_keywords') { // No placeholders here $add_meta_tags_opts[$def_key] = sanitize_text_field(amt_sanitize_keywords(stripslashes($post_payload[$def_key]))); } elseif ($def_key == 'global_keywords') { // placeholder may exist here $add_meta_tags_opts[$def_key] = amt_sanitize_keywords(amt_revert_placeholders(sanitize_text_field(amt_convert_placeholders(stripslashes($post_payload[$def_key]))))); } elseif ($def_key == 'site_wide_meta') { $add_meta_tags_opts[$def_key] = esc_textarea(wp_kses(stripslashes($post_payload[$def_key]), amt_get_allowed_html_kses())); } elseif ($def_key == 'copyright_url') { $add_meta_tags_opts[$def_key] = esc_url_raw(stripslashes($post_payload[$def_key]), array('http', 'https')); } elseif ($def_key == 'default_image_url') { $add_meta_tags_opts[$def_key] = esc_url_raw(stripslashes($post_payload[$def_key]), array('http', 'https')); } elseif ($def_key == 'social_main_facebook_publisher_profile_url') { $add_meta_tags_opts[$def_key] = esc_url_raw(stripslashes($post_payload[$def_key]), array('http', 'https')); } elseif ($def_key == 'social_main_googleplus_publisher_profile_url') { $add_meta_tags_opts[$def_key] = esc_url_raw(stripslashes($post_payload[$def_key]), array('http', 'https')); } elseif ($def_key == 'author_profile_source') { $author_profile_source_value = sanitize_text_field(stripslashes($post_payload[$def_key])); if (!in_array($author_profile_source_value, array('default', 'frontpage', 'buddypress', 'url'))) { $author_profile_source_value = 'default'; } $add_meta_tags_opts[$def_key] = $author_profile_source_value; } elseif ($def_key == 'transient_cache_expiration') { $transient_cache_expiration_value = sanitize_text_field(stripslashes($post_payload[$def_key])); if (!is_numeric($transient_cache_expiration_value) || intval($transient_cache_expiration_value) < 0) { $transient_cache_expiration_value = '0'; } $add_meta_tags_opts[$def_key] = $transient_cache_expiration_value; } else { $add_meta_tags_opts[$def_key] = sanitize_text_field(stripslashes($post_payload[$def_key])); } } else { // The following settings have a default value of 1, so they can never be // deactivated, unless the following check takes place. if ($def_key == 'auto_description' || $def_key == 'auto_keywords' || $def_key == 'noindex_search_results' || $def_key == 'metabox_enable_description' || $def_key == 'metabox_enable_keywords' || $def_key == 'metabox_enable_title') { if (!isset($post_payload[$def_key])) { $add_meta_tags_opts[$def_key] = "0"; } } else { // Else save the default value in the db. $add_meta_tags_opts[$def_key] = $def_value; } } } // Finally update the Add-Meta-Tags options. update_option("add_meta_tags_opts", $add_meta_tags_opts); //var_dump($post_payload); //var_dump($add_meta_tags_opts); amt_show_info_msg(__('Add-Meta-Tags options saved', 'add-meta-tags')); }
function amt_save_postdata($post_id, $post) { // Verify if this is an auto save routine. // If it is our form has not been submitted, so we dont want to do anything if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) { return; } /* Verify the nonce before proceeding. */ // Verify this came from the our screen and with proper authorization, // because save_post can be triggered at other times if (!isset($_POST['amt_noncename']) || !wp_verify_nonce($_POST['amt_noncename'], plugin_basename(AMT_PLUGIN_FILE))) { return; } // Get the Metadata metabox permissions (filtered) $metabox_permissions = amt_get_metadata_metabox_permissions(); // Global Metadata metabox permission check (can be user customized via filter). if (!current_user_can($metabox_permissions['global_metabox_capability'])) { return; } // Get the Add-Meta-Tags options. $options = get_option("add_meta_tags_opts"); /* Get the post type object. */ $post_type_obj = get_post_type_object($post->post_type); /* Check if the current user has permission to edit the post. */ if (!current_user_can($post_type_obj->cap->edit_post, $post_id)) { return; } // OK, we're authenticated: we need to find and save the data // // Sanitize user input // // // Description if (isset($_POST['amt_custom_description'])) { $description_value = sanitize_text_field(amt_sanitize_description(stripslashes($_POST['amt_custom_description']))); } // Keywords - sanitize_text_field() removes '%ca' part of '%cats%', so we enclose 'sanitize_text_field()' in amt_(convert|revert)_placeholders() if (isset($_POST['amt_custom_keywords'])) { $keywords_value = amt_sanitize_keywords(amt_revert_placeholders(sanitize_text_field(amt_convert_placeholders(stripslashes($_POST['amt_custom_keywords']))))); } // Title if (isset($_POST['amt_custom_title'])) { $title_value = amt_revert_placeholders(sanitize_text_field(amt_convert_placeholders(stripslashes($_POST['amt_custom_title'])))); } // News keywords if (isset($_POST['amt_custom_newskeywords'])) { $newskeywords_value = sanitize_text_field(amt_sanitize_keywords(stripslashes($_POST['amt_custom_newskeywords']))); } // Full metatags - We allow only <meta> elements. if (isset($_POST['amt_custom_full_metatags'])) { $full_metatags_value = esc_textarea(wp_kses(stripslashes($_POST['amt_custom_full_metatags']), amt_get_allowed_html_kses())); } // Image URL if (isset($_POST['amt_custom_image_url'])) { $image_url_value = esc_url_raw(stripslashes($_POST['amt_custom_image_url'])); } // Content locale if (isset($_POST['amt_custom_content_locale'])) { $content_locale_value = esc_attr(stripslashes($_POST['amt_custom_content_locale'])); } // Express review if (isset($_POST['amt_custom_express_review'])) { $express_review_value = esc_textarea(wp_kses(stripslashes($_POST['amt_custom_express_review']), array())); } // List of referenced items - We allow no HTML elements. if (isset($_POST['amt_custom_referenced_list'])) { $referenced_list_value = esc_textarea(wp_kses(stripslashes($_POST['amt_custom_referenced_list']), array())); } // If a value has not been entered we try to delete existing data from the database // If the user has entered data, store it in the database. // Add-Meta-Tags custom field names $amt_description_field_name = '_amt_description'; $amt_keywords_field_name = '_amt_keywords'; $amt_title_field_name = '_amt_title'; $amt_newskeywords_field_name = '_amt_news_keywords'; $amt_full_metatags_field_name = '_amt_full_metatags'; $amt_image_url_field_name = '_amt_image_url'; $amt_content_locale_field_name = '_amt_content_locale'; $amt_express_review_field_name = '_amt_express_review'; $amt_referenced_list_field_name = '_amt_referenced_list'; // As an extra security measure, here we also check the user-defined per box // permissions before we save any data in the database. // Description if ($options['metabox_enable_description'] == '1' && current_user_can($metabox_permissions['description_box_capability'])) { if (empty($description_value)) { delete_post_meta($post_id, $amt_description_field_name); // Also clean up old description field delete_post_meta($post_id, 'description'); } else { update_post_meta($post_id, $amt_description_field_name, $description_value); // Also clean up again old description field - no need to exist any more since the new field is used. delete_post_meta($post_id, 'description'); } } // Keywords if ($options['metabox_enable_keywords'] == '1' && current_user_can($metabox_permissions['keywords_box_capability'])) { if (empty($keywords_value)) { delete_post_meta($post_id, $amt_keywords_field_name); // Also clean up old keywords field delete_post_meta($post_id, 'keywords'); } else { update_post_meta($post_id, $amt_keywords_field_name, $keywords_value); // Also clean up again old keywords field - no need to exist any more since the new field is used. delete_post_meta($post_id, 'keywords'); } } // Title if ($options['metabox_enable_title'] == '1' && current_user_can($metabox_permissions['title_box_capability'])) { if (empty($title_value)) { delete_post_meta($post_id, $amt_title_field_name); } else { update_post_meta($post_id, $amt_title_field_name, $title_value); } } // 'news_keywords' if ($options['metabox_enable_news_keywords'] == '1' && current_user_can($metabox_permissions['news_keywords_box_capability'])) { if (empty($newskeywords_value)) { delete_post_meta($post_id, $amt_newskeywords_field_name); } else { update_post_meta($post_id, $amt_newskeywords_field_name, $newskeywords_value); } } // per post full meta tags if ($options['metabox_enable_full_metatags'] == '1' && current_user_can($metabox_permissions['full_metatags_box_capability'])) { if (empty($full_metatags_value)) { delete_post_meta($post_id, $amt_full_metatags_field_name); } else { update_post_meta($post_id, $amt_full_metatags_field_name, $full_metatags_value); } } // Image URL if ($options['metabox_enable_image_url'] == '1' && current_user_can($metabox_permissions['image_url_box_capability'])) { if (empty($image_url_value)) { delete_post_meta($post_id, $amt_image_url_field_name); } else { update_post_meta($post_id, $amt_image_url_field_name, $image_url_value); } } // Content locale if ($options['metabox_enable_content_locale'] == '1' && current_user_can($metabox_permissions['content_locale_box_capability'])) { if (empty($content_locale_value)) { delete_post_meta($post_id, $amt_content_locale_field_name); } else { update_post_meta($post_id, $amt_content_locale_field_name, $content_locale_value); } } // Express review if ($options['metabox_enable_express_review'] == '1' && current_user_can($metabox_permissions['express_review_box_capability'])) { if (empty($express_review_value)) { delete_post_meta($post_id, $amt_express_review_field_name); } else { update_post_meta($post_id, $amt_express_review_field_name, $express_review_value); } } // Referenced list if ($options['metabox_enable_referenced_list'] == '1' && current_user_can($metabox_permissions['referenced_list_box_capability'])) { if (empty($referenced_list_value)) { delete_post_meta($post_id, $amt_referenced_list_field_name); } else { update_post_meta($post_id, $amt_referenced_list_field_name, $referenced_list_value); } } }
/** * Generates basic metadata for the head area. * */ function amt_add_basic_metadata_head($post, $attachments, $embedded_media, $options) { if (apply_filters('amt_exclude_basic_metadata', false)) { return array(); } $do_description = $options["auto_description"] == "1" ? true : false; $do_keywords = $options["auto_keywords"] == "1" ? true : false; $do_noodp_description = $options["noodp_description"] == "1" ? true : false; // Array to store metadata $metadata_arr = array(); // Pre-processing // Store hreflang links in array $hreflang_links_arr = array(); // Store base robots options $robots_options = array(); if ($do_noodp_description && (is_front_page() || is_singular() || is_category() || is_tag() || is_tax() || is_author())) { // Add NOODP on posts and pages $robots_options[] = 'noodp'; $robots_options[] = 'noydir'; } // Store full meta tags (site wide and post specific) // Add site wide meta tags $full_metatags_as_string = ''; if (!empty($options['site_wide_meta'])) { $full_metatags_for_site = html_entity_decode(stripslashes($options['site_wide_meta'])); $full_metatags_as_string .= apply_filters('amt_full_metatags_site', $full_metatags_for_site); $full_metatags_as_string .= PHP_EOL; } // Full meta tags if (is_singular() || amt_is_static_front_page() || amt_is_static_home()) { // per post full meta tags $full_metatags_for_content = amt_get_post_meta_full_metatags($post->ID); $full_metatags_for_content = html_entity_decode(stripslashes($full_metatags_for_content)); $full_metatags_as_string .= apply_filters('amt_full_metatags_post', $full_metatags_for_content); } elseif (is_category() || is_tag() || is_tax()) { // Term specific full meta tags ($post is a term object) $full_metatags_for_term = amt_get_term_meta_full_metatags($post->term_id); $full_metatags_for_term = html_entity_decode(stripslashes($full_metatags_for_term)); $full_metatags_as_string .= apply_filters('amt_full_metatags_term', $full_metatags_for_term); } elseif (is_author()) { // User specific full meta tags ($post is a user object) $full_metatags_for_user = amt_get_user_meta_full_metatags($post->ID); $full_metatags_for_user = html_entity_decode(stripslashes($full_metatags_for_user)); $full_metatags_as_string .= apply_filters('amt_full_metatags_term', $full_metatags_for_user); } // Sanitize //$full_metatags_as_string = esc_textarea( wp_kses( $full_metatags_as_string, amt_get_allowed_html_kses() ) ); $full_metatags_as_string = wp_kses($full_metatags_as_string, amt_get_allowed_html_kses()); // Make array of full meta tags $full_meta_tags = preg_split('#\\R#', $full_metatags_as_string, NULL, PREG_SPLIT_NO_EMPTY); // Process if (apply_filters('amt_full_metatags_processor_enable', true)) { // Store processed meta tags here $processed_full_meta_tags = array(); // Field substitutions currently take place only on content pages. // TODO: See if this can be expanded to terms, authors. // Store the post's custom fields $custom_fields = null; // Store the post object's custom fields. // if (is_singular() || amt_is_static_front_page() || amt_is_static_home()) { // Get an array of all custom fields names of the post object. $custom_fields = get_post_custom_keys($post->ID); } // Iterate over full meta tags foreach ($full_meta_tags as $single_meta_tag) { // Note: Field value substitutions take place first, outside the elseif clauses. // Process substitutions of special notation with data from Custom Fields // Supported special notation: // [field=Field Name] // Notes: // - 'Field Name' is the name of custom field. // - If the custom field with name 'Field Name' does not exist, the meta tag // that contains it is omitted. // - If the value of the field is an empty string, then the substitution // takes place normally. // // The regex pattern fo our special notation. $special_notation_pattern = '#(?:\\[field\\=)([^\\]]+)(?:\\])#'; // The following covers content pages, as $custom_fields is only set on content pages. See above. if (!empty($custom_fields) && isset($post->ID)) { // This also assumes that we have a post object since custom fields // are set only on content pages, otherwise it is null. // Check for special notation if (preg_match($special_notation_pattern, $single_meta_tag, $matches)) { //var_dump($matches); // If the field name of the special notation does not match // any custom field name, omit the meta tag as per the rules above. if (!in_array($matches[1], $custom_fields)) { continue; } // Since there is special notation and the field name from the special // notation exists in the $custom_fields array, iterate over the available // custom fields and perform the substitutions. foreach ($custom_fields as $custom_field) { // Check if it matches the field name of the special notation if ($custom_field == $matches[1]) { // Fetch the custom field's value $field_value = get_post_meta($post->ID, $custom_field, true); // Sanitize value // TODO: this can be a problem depending on the value and the used sanitization function. $field_value = esc_attr(sanitize_text_field($field_value)); // Perform the substitution even if the the value is an empty string as per the rules above $single_meta_tag = str_replace(sprintf('[field=%s]', $custom_field), $field_value, $single_meta_tag); } } } } else { // In any other case, just remove the meta tags which contain the special notation. if (preg_match($special_notation_pattern, $single_meta_tag, $tmp)) { continue; } } // Process the PAGEINFO variable. // If the current page is the 1st page of any archive or of multipage content, // PAGEINFO is just stripped. For subsequent pages of archives or multipage // content, PAGEINFO is replaced with page based path (page/N/ for archives or N/ for multipage content) // // For paginated archives or paginated main page with latest posts. $has_paging_info = false; if (is_paged()) { $paged = get_query_var('paged'); // paged if ($paged && $paged >= 2) { $single_meta_tag = str_replace('PAGEINFO', 'page/' . $paged . '/', $single_meta_tag); $has_paging_info = true; } // For a Post or Page that has been divided into pages using the <!--nextpage--> QuickTag } else { $paged = get_query_var('page'); // page if ($paged && $paged >= 2) { $single_meta_tag = str_replace('PAGEINFO', $paged . '/', $single_meta_tag); $has_paging_info = true; } } // If this is not paged, strip PAGEINFO if ($has_paging_info === false) { $single_meta_tag = str_replace('PAGEINFO', '', $single_meta_tag); } // Process custom canonical link // If a rel="canonical" meta tags exists, we deactivate WordPress' 'rel_canonical' action, // Since it is assumed that a custom canonical link has been added. //if ( preg_match( '# rel="canonical" #', $post_full_meta_tags, $tmp ) ) { if (strpos($single_meta_tag, ' rel="canonical" ') !== false) { // Remove default WordPress action remove_action('wp_head', 'rel_canonical'); } elseif (strpos($single_meta_tag, ' name="robots" ') !== false) { if (preg_match('# content="([^"]+)" #', $single_meta_tag, $matches)) { $tmp_robots_opts = explode(',', $matches[1]); foreach ($tmp_robots_opts as $single_robots_option) { $single_robots_option_cleaned = strtolower(trim($single_robots_option)); if (!empty($single_robots_option_cleaned)) { $robots_options[] = $single_robots_option_cleaned; } } } // We simply collect options. Do not add any robots meta tags to the processed meta tags array. continue; } elseif (strpos($single_meta_tag, ' hreflang="') !== false) { // Simply add to the hreflang links array for later processing $hreflang_links_arr[] = $single_meta_tag; // We simply collect hreflang links for later processing. Do not add them to the processed meta tags array. continue; } // If we have reached here, add the meta tags to the array with processed meta tags. $processed_full_meta_tags[] = $single_meta_tag; } } else { // Full meta tags processor not enabled $processed_full_meta_tags = $full_meta_tags; } //var_dump($full_meta_tags); //var_dump($processed_full_meta_tags); // Add Meta Tags // Add a robots meta tag if robots options exist. // Backwards compatible filter. TODO: This is deprecated. Needs to be deleted after a while. $old_options_as_string = apply_filters('amt_robots_data', ''); if (!empty($old_options_as_string)) { foreach (explode(',', $old_options_as_string) as $single_robots_option) { $single_robots_option_cleaned = strtolower(trim($single_robots_option)); if (!empty($single_robots_option_cleaned)) { $robots_options[] = $single_robots_option_cleaned; } } } // Add robot_options filtering $robots_options = apply_filters('amt_robots_options', $robots_options); if (version_compare(PHP_VERSION, '5.3', '<')) { // The flag is not supported $robots_options = array_unique($robots_options); } else { $robots_options = array_unique($robots_options, SORT_STRING); } if (!empty($robots_options)) { $metadata_arr['basic:robots'] = '<meta name="robots" content="' . esc_attr(implode(',', $robots_options)) . '" />'; } // Add full meta tags // Merge meta tags $processed_full_meta_tags = apply_filters('amt_full_metatags_processed', $processed_full_meta_tags); if (!empty($processed_full_meta_tags)) { $metadata_arr = array_merge($metadata_arr, $processed_full_meta_tags); } // Add copyright link // On every page print the copyright head link $copyright_url = amt_get_site_copyright_url($options); //if ( empty($copyright_url)) { // $copyright_url = trailingslashit( get_bloginfo('url') ); //} if (!empty($copyright_url)) { $metadata_arr['basic:copyright'] = '<link rel="copyright" type="text/html" title="' . esc_attr(get_bloginfo('name')) . ' ' . __('copyright information', 'add-meta-tags') . '" href="' . esc_url($copyright_url) . '" />'; } // hreflang link element // This section also expects an array of extra hreflang links that may have // been collected from the full meta tags boxes. if ($options['generate_hreflang_links'] == '1') { if (is_singular()) { $locale = amt_get_language_content($options, $post); $hreflang = amt_get_the_hreflang($locale, $options); $hreflang_url = amt_get_permalink_for_multipage($post); } else { $locale = amt_get_language_site($options); $hreflang = amt_get_the_hreflang($locale, $options); $hreflang_url = ''; if (amt_is_default_front_page()) { $hreflang_url = trailingslashit(get_bloginfo('url')); } elseif (is_category() || is_tag() || is_tax()) { // $post is a term object $hreflang_url = get_term_link($post); } elseif (is_author()) { // $post is an author object $hreflang_url = get_author_posts_url($post->ID); } elseif (is_year()) { $archive_year = get_the_time('Y'); $hreflang_url = get_year_link($archive_year); } elseif (is_month()) { $archive_year = get_the_time('Y'); $archive_month = get_the_time('m'); $hreflang_url = get_month_link($archive_year, $archive_month); } elseif (is_day()) { $archive_year = get_the_time('Y'); $archive_month = get_the_time('m'); $archive_day = get_the_time('d'); $hreflang_url = get_day_link($archive_year, $archive_month, $archive_day); } // If paged information is available if (is_paged()) { //$hreflang_url = trailingslashit( $hreflang_url ) . get_query_var('paged') . '/'; $hreflang_url = get_pagenum_link(get_query_var('paged')); } } // hreflang links array $hreflang_arr = array(); // Add link element if (!empty($hreflang) && !empty($hreflang_url)) { $hreflang_arr[] = '<link rel="alternate" hreflang="' . esc_attr($hreflang) . '" href="' . esc_url_raw($hreflang_url) . '" />'; } // Add extra hreflang links that have been collected from the full meta tags boxes if (!empty($hreflang_links_arr)) { $hreflang_arr = array_merge($hreflang_arr, $hreflang_links_arr); } // Allow filtering of the hreflang array $hreflang_arr = apply_filters('amt_hreflang_links', $hreflang_arr); // Add to to metadata array foreach ($hreflang_arr as $hreflang_link) { if (preg_match('# hreflang="([^"]+)" #', $hreflang_link, $matches)) { $metadata_arr['basic:hreflang:' . $matches[1]] = $hreflang_link; } } } // Basic Meta Tags // Custom content override if (amt_is_custom($post, $options)) { // Return metadata with: // add_filter( 'amt_custom_metadata_basic', 'my_function', 10, 5 ); // Return an array of meta tags. Array item format: ['key_can_be_whatever'] = '<meta name="foo" content="bar" />' $metadata_arr = apply_filters('amt_custom_metadata_basic', $metadata_arr, $post, $options, $attachments, $embedded_media); // Default front page displaying latest posts } elseif (amt_is_default_front_page()) { // Description and Keywords from the Add-Meta-Tags settings override // default behaviour. // Description if ($do_description) { // Use the site description from the Add-Meta-Tags settings. // Fall back to the blog description. $site_description = amt_get_site_description($options); if (empty($site_description)) { // Alternatively, use the blog description // Here we sanitize the provided description for safety $site_description = sanitize_text_field(amt_sanitize_description(get_bloginfo('description'))); } // If we have a description, use it in the description meta-tag of the front page if (!empty($site_description)) { // Note: Contains multipage information through amt_process_paged() $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($site_description)) . '" />'; } } // Keywords if ($do_keywords) { // Use the site keywords from the Add-Meta-Tags settings. // Fall back to the blog categories. $site_keywords = amt_get_site_keywords($options); if (empty($site_keywords)) { // Alternatively, use the blog categories // Here we sanitize the provided keywords for safety $site_keywords = sanitize_text_field(amt_sanitize_keywords(amt_get_all_categories())); } // If we have keywords, use them in the keywords meta-tag of the front page if (!empty($site_keywords)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($site_keywords) . '" />'; } } // Attachments } elseif (is_attachment()) { // has to be before is_singular() since is_singular() is true for attachments. // Description if ($do_description) { $description = amt_get_content_description($post, $auto = $do_description); if (!empty($description)) { // Note: Contains multipage information through amt_process_paged() $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($description)) . '" />'; } } // No keywords // Content pages and static pages used as "front page" and "posts page" // This also supports products via is_singular() } elseif (is_singular() || amt_is_static_front_page() || amt_is_static_home()) { // Description if ($do_description) { $description = amt_get_content_description($post, $auto = $do_description); if (!empty($description)) { // Note: Contains multipage information through amt_process_paged() $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($description)) . '" />'; } } // Keywords if ($do_keywords) { $keywords = amt_get_content_keywords($post, $auto = $do_keywords); if (!empty($keywords)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($keywords) . '" />'; // Static Posts Index Page // If no keywords have been set in the metabox and this is the static page, // which displayes the latest posts, use the categories of the posts in the loop. } elseif (amt_is_static_home()) { // Here we sanitize the provided keywords for safety $cats_from_loop = sanitize_text_field(amt_sanitize_keywords(implode(', ', amt_get_categories_from_loop()))); if (!empty($cats_from_loop)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cats_from_loop) . '" />'; } } } // 'news_keywords' $newskeywords = amt_get_post_meta_newskeywords($post->ID); if (!empty($newskeywords)) { $metadata_arr['basic:news_keywords'] = '<meta name="news_keywords" content="' . esc_attr($newskeywords) . '" />'; } // Category based archives } elseif (is_category()) { if ($do_description) { // If set, the description of the category is used in the 'description' metatag. // Otherwise, a generic description is used. // Here we sanitize the provided description for safety $description_content = sanitize_text_field(amt_sanitize_description(category_description())); // Note: Contains multipage information through amt_process_paged() if (empty($description_content)) { // Add a filtered generic description. $generic_description = apply_filters('amt_generic_description_category_archive', __('Content filed under the %s category.', 'add-meta-tags')); $generic_description = sprintf($generic_description, single_cat_title($prefix = '', $display = false)); $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($generic_description)) . '" />'; } else { $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($description_content)) . '" />'; } } if ($do_keywords) { // The category name alone is included in the 'keywords' metatag // Here we sanitize the provided keywords for safety $cur_cat_name = sanitize_text_field(amt_sanitize_keywords(single_cat_title($prefix = '', $display = false))); if (!empty($cur_cat_name)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cur_cat_name) . '" />'; } } } elseif (is_tag()) { if ($do_description) { // If set, the description of the tag is used in the 'description' metatag. // Otherwise, a generic description is used. // Here we sanitize the provided description for safety $description_content = sanitize_text_field(amt_sanitize_description(tag_description())); // Note: Contains multipage information through amt_process_paged() if (empty($description_content)) { // Add a filtered generic description. $generic_description = apply_filters('amt_generic_description_tag_archive', __('Content tagged with %s.', 'add-meta-tags')); $generic_description = sprintf($generic_description, single_tag_title($prefix = '', $display = false)); $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($generic_description)) . '" />'; } else { $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($description_content)) . '" />'; } } if ($do_keywords) { // The tag name alone is included in the 'keywords' metatag // Here we sanitize the provided keywords for safety $cur_tag_name = sanitize_text_field(amt_sanitize_keywords(single_tag_title($prefix = '', $display = false))); if (!empty($cur_tag_name)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cur_tag_name) . '" />'; } } // Custom taxonomies - Should be after is_category() and is_tag(), as it would catch those taxonomies as well. // This also supports product groups via is_tax(). Only product groups that are WordPress custom taxonomies are supported. } elseif (is_tax()) { // Taxonomy term object. // When viewing taxonomy archives, the $post object is the taxonomy term object. Check with: var_dump($post); $tax_term_object = $post; //var_dump($tax_term_object); if ($do_description) { // If set, the description of the custom taxonomy term is used in the 'description' metatag. // Otherwise, a generic description is used. // Here we sanitize the provided description for safety $description_content = sanitize_text_field(amt_sanitize_description(term_description($tax_term_object->term_id, $tax_term_object->taxonomy))); // Note: Contains multipage information through amt_process_paged() if (empty($description_content)) { // Add a filtered generic description. // Construct the filter name. Template: ``amt_generic_description_TAXONOMYSLUG_archive`` $taxonomy_description_filter_name = sprintf('amt_generic_description_%s_archive', $tax_term_object->taxonomy); // var_dump($taxonomy_description_filter_name); $generic_description = apply_filters($taxonomy_description_filter_name, __('Content filed under the %s taxonomy.', 'add-meta-tags')); $generic_description = sprintf($generic_description, single_term_title($prefix = '', $display = false)); $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($generic_description)) . '" />'; } else { $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($description_content)) . '" />'; } } if ($do_keywords) { // The taxonomy term name alone is included in the 'keywords' metatag. // Here we sanitize the provided keywords for safety. $cur_tax_term_name = sanitize_text_field(amt_sanitize_keywords(single_term_title($prefix = '', $display = false))); if (!empty($cur_tax_term_name)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cur_tax_term_name) . '" />'; } } } elseif (is_author()) { // Author object // NOTE: Inside the author archives `$post->post_author` does not contain the author object. // In this case the $post (get_queried_object()) contains the author object itself. // We also can get the author object with the following code. Slug is what WP uses to construct urls. // $author = get_user_by( 'slug', get_query_var( 'author_name' ) ); // Also, ``get_the_author_meta('....', $author)`` returns nothing under author archives. // Access user meta with: $author->description, $author->user_email, etc // $author = get_queried_object(); $author = $post; // If a bio has been set in the user profile, use it in the description metatag of the // first page of the author archive *ONLY*. The other pages of the author archive use a generic description. // This happens because the 1st page of the author archive is considered the profile page // by the other metadata modules. // Otherwise use a generic meta tag. if ($do_description) { // Here we sanitize the provided description for safety $author_description = sanitize_text_field(amt_sanitize_description($author->description)); if (empty($author_description) || is_paged()) { // Note: Contains multipage information through amt_process_paged() // Add a filtered generic description. $generic_description = apply_filters('amt_generic_description_author_archive', __('Content published by %s.', 'add-meta-tags')); $generic_description = sprintf($generic_description, $author->display_name); $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($generic_description)) . '" />'; } else { $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr($author_description) . '" />'; } } // For the keywords metatag use the categories of the posts the author has written and are displayed in the current page. if ($do_keywords) { // Here we sanitize the provided keywords for safety $cats_from_loop = sanitize_text_field(amt_sanitize_keywords(implode(', ', amt_get_categories_from_loop()))); if (!empty($cats_from_loop)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cats_from_loop) . '" />'; } } // Custom Post Type Archive } elseif (is_post_type_archive()) { // Custom post type object. // When viewing custom post type archives, the $post object is the custom post type object. Check with: var_dump($post); $post_type_object = $post; //var_dump($post_type_object); if ($do_description) { // Description // Note: Contains multipage information through amt_process_paged() // Add a filtered generic description. // Construct the filter name. Template: ``amt_generic_description_posttype_POSTTYPESLUG_archive`` $custom_post_type_description_filter_name = sprintf('amt_generic_description_posttype_%s_archive', $post_type_object->name); // var_dump($custom_post_type_description_filter_name); // Generic description $generic_description = apply_filters($custom_post_type_description_filter_name, __('%s archive.', 'add-meta-tags')); // Final generic description $generic_description = sprintf($generic_description, post_type_archive_title($prefix = '', $display = false)); $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($generic_description)) . '" />'; } // For the keywords metatag use the categories of the posts that are listed in the current page. if ($do_keywords) { // Here we sanitize the provided keywords for safety $cats_from_loop = sanitize_text_field(amt_sanitize_keywords(implode(', ', amt_get_categories_from_loop()))); if (!empty($cats_from_loop)) { $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($cats_from_loop) . '" />'; } } } // Filtering of the generated basic metadata $metadata_arr = apply_filters('amt_basic_metadata_head', $metadata_arr); return $metadata_arr; }