single'|'plural' - whether to return the single or plural form. * * @return string|null */ private function determine_pt_names( $request = 'single' ) { global $wp_query; $pt_single = null; $pt_plural = null; $post_type = ''; if ( isset( $wp_query->query_vars['post_type'] ) && ( ( is_string( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] !== '' ) || ( is_array( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] !== [] ) ) ) { $post_type = $wp_query->query_vars['post_type']; } elseif ( isset( $this->args->post_type ) && ( is_string( $this->args->post_type ) && $this->args->post_type !== '' ) ) { $post_type = $this->args->post_type; } else { // Make it work in preview mode. $post = $wp_query->get_queried_object(); if ( $post instanceof WP_Post ) { $post_type = $post->post_type; } } if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } if ( $post_type !== '' ) { $pt = get_post_type_object( $post_type ); $pt_single = $pt->name; $pt_plural = $pt->name; if ( isset( $pt->labels->singular_name ) ) { $pt_single = $pt->labels->singular_name; } if ( isset( $pt->labels->name ) ) { $pt_plural = $pt->labels->name; } } $return = null; switch ( $request ) { case 'single': $return = $pt_single; break; case 'plural': $return = $pt_plural; break; } return $return; } /** * Retrieve the attachment caption for use as replacement string. * * @return string|null */ private function retrieve_caption() { return $this->retrieve_excerpt_only(); } /** * Retrieve a post/page/cpt's custom field value for use as replacement string. * * @param string $var The complete variable to replace which includes the name of * the custom field which value is to be retrieved. * * @return string|null */ private function retrieve_cf_custom_field_name( $var ) { global $post; $replacement = null; if ( is_string( $var ) && $var !== '' ) { $field = substr( $var, 3 ); if ( ( is_singular() || is_admin() ) && ( is_object( $post ) && isset( $post->ID ) ) ) { // Post meta can be arrays and in this case we need to exclude them. $name = get_post_meta( $post->ID, $field, true ); if ( $name !== '' && ! is_array( $name ) ) { $replacement = $name; } } elseif ( is_category() || is_tag() || is_tax() ) { $term = $GLOBALS['wp_query']->get_queried_object(); $name = get_term_meta( $term->term_id, $field, true ); if ( $name !== '' ) { $replacement = $name; } } } return $replacement; } /** * Retrieve a post/page/cpt's custom taxonomies for use as replacement string. * * @param string $var The complete variable to replace which includes the name of * the custom taxonomy which value(s) is to be retrieved. * @param bool $single Whether to retrieve only the first or all values for the taxonomy. * * @return string|null */ private function retrieve_ct_custom_tax_name( $var, $single = false ) { $replacement = null; if ( ( is_string( $var ) && $var !== '' ) && ! empty( $this->args->ID ) ) { $tax = substr( $var, 3 ); $name = $this->get_terms( $this->args->ID, $tax, $single ); if ( $name !== '' ) { $replacement = $name; } } return $replacement; } /** * Retrieve a post/page/cpt's custom taxonomies description for use as replacement string. * * @param string $var The complete variable to replace which includes the name of * the custom taxonomy which description is to be retrieved. * * @return string|null */ private function retrieve_ct_desc_custom_tax_name( $var ) { global $post; $replacement = null; if ( is_string( $var ) && $var !== '' ) { $tax = substr( $var, 8 ); if ( is_object( $post ) && isset( $post->ID ) ) { $terms = get_the_terms( $post->ID, $tax ); if ( is_array( $terms ) && $terms !== [] ) { $term = current( $terms ); $term_desc = get_term_field( 'description', $term->term_id, $tax ); if ( $term_desc !== '' ) { $replacement = wp_strip_all_tags( $term_desc ); } } } } return $replacement; } /** * Retrieve the current date for use as replacement string. * * The `$replacement` variable is static because it doesn't change depending * on the context. See https://github.com/Yoast/wordpress-seo/pull/1172#issuecomment-46019482. * * @return string The formatted current date. */ private function retrieve_currentdate() { static $replacement; if ( ! isset( $replacement ) ) { $replacement = date_i18n( get_option( 'date_format' ) ); } return $replacement; } /** * Retrieve the current day for use as replacement string. * * The `$replacement` variable is static because it doesn't change depending * on the context. See https://github.com/Yoast/wordpress-seo/pull/1172#issuecomment-46019482. * * @return string The current day. */ private function retrieve_currentday() { static $replacement; if ( ! isset( $replacement ) ) { $replacement = date_i18n( 'j' ); } return $replacement; } /** * Retrieve the current month for use as replacement string. * * The `$replacement` variable is static because it doesn't change depending * on the context. See https://github.com/Yoast/wordpress-seo/pull/1172#issuecomment-46019482. * * @return string The current month. */ private function retrieve_currentmonth() { static $replacement; if ( ! isset( $replacement ) ) { $replacement = date_i18n( 'F' ); } return $replacement; } /** * Retrieve the current time for use as replacement string. * * The `$replacement` variable is static because it doesn't change depending * on the context. See https://github.com/Yoast/wordpress-seo/pull/1172#issuecomment-46019482. * * @return string The formatted current time. */ private function retrieve_currenttime() { static $replacement; if ( ! isset( $replacement ) ) { $replacement = date_i18n( get_option( 'time_format' ) ); } return $replacement; } /** * Retrieve the current year for use as replacement string. * * The `$replacement` variable is static because it doesn't change depending * on the context. See https://github.com/Yoast/wordpress-seo/pull/1172#issuecomment-46019482. * * @return string The current year. */ private function retrieve_currentyear() { static $replacement; if ( ! isset( $replacement ) ) { $replacement = date_i18n( 'Y' ); } return $replacement; } /** * Retrieve the post/page/cpt's focus keyword for use as replacement string. * * @return string|null */ private function retrieve_focuskw() { // Retrieve focuskw from a Post. if ( ! empty( $this->args->ID ) ) { $focus_kw = WPSEO_Meta::get_value( 'focuskw', $this->args->ID ); if ( $focus_kw !== '' ) { return $focus_kw; } return null; } // Retrieve focuskw from a Term. if ( ! empty( $this->args->term_id ) ) { $focus_kw = WPSEO_Taxonomy_Meta::get_term_meta( $this->args->term_id, $this->args->taxonomy, 'focuskw' ); if ( $focus_kw !== '' ) { return $focus_kw; } } return null; } /** * Retrieve the post/page/cpt ID for use as replacement string. * * @return string|null */ private function retrieve_id() { $replacement = null; if ( ! empty( $this->args->ID ) ) { // The post/page/cpt ID is an integer, let's cast to string. $replacement = (string) $this->args->ID; } return $replacement; } /** * Retrieve the post/page/cpt modified time for use as replacement string. * * @return string|null */ private function retrieve_modified() { $replacement = null; if ( ! empty( $this->args->post_modified ) ) { $replacement = YoastSEO()->helpers->date->format_translated( $this->args->post_modified, get_option( 'date_format' ) ); } return $replacement; } /** * Retrieve the post/page/cpt author's "nice name" for use as replacement string. * * @return string|null */ private function retrieve_name() { $replacement = null; $user_id = (int) $this->retrieve_userid(); $name = get_the_author_meta( 'display_name', $user_id ); if ( $name !== '' ) { $replacement = $name; } return $replacement; } /** * Retrieve the post/page/cpt author's users description for use as a replacement string. * * @return null|string */ private function retrieve_user_description() { $replacement = null; $user_id = (int) $this->retrieve_userid(); $description = get_the_author_meta( 'description', $user_id ); if ( $description !== '' ) { $replacement = $description; } return $replacement; } /** * Retrieve the current page number with context (i.e. 'page 2 of 4') for use as replacement string. * * @return string */ private function retrieve_page() { $replacement = null; $max = $this->determine_pagenumbering( 'max' ); $nr = $this->determine_pagenumbering( 'nr' ); $sep = $this->retrieve_sep(); if ( $max > 1 && $nr > 1 ) { /* translators: 1: current page number, 2: total number of pages. */ $replacement = sprintf( $sep . ' ' . __( 'Page %1$d of %2$d', 'wordpress-seo' ), $nr, $max ); } return $replacement; } /** * Retrieve the current page number for use as replacement string. * * @return string|null */ private function retrieve_pagenumber() { $replacement = null; $nr = $this->determine_pagenumbering( 'nr' ); if ( isset( $nr ) && $nr > 0 ) { $replacement = (string) $nr; } return $replacement; } /** * Retrieve the current page total for use as replacement string. * * @return string|null */ private function retrieve_pagetotal() { $replacement = null; $max = $this->determine_pagenumbering( 'max' ); if ( isset( $max ) && $max > 0 ) { $replacement = (string) $max; } return $replacement; } /** * Retrieve the post type plural label for use as replacement string. * * @return string|null */ private function retrieve_pt_plural() { $replacement = null; $name = $this->determine_pt_names( 'plural' ); if ( isset( $name ) && $name !== '' ) { $replacement = $name; } return $replacement; } /** * Retrieve the post type single label for use as replacement string. * * @return string|null */ private function retrieve_pt_single() { $replacement = null; $name = $this->determine_pt_names( 'single' ); if ( isset( $name ) && $name !== '' ) { $replacement = $name; } return $replacement; } /** * Retrieve the slug which caused the 404 for use as replacement string. * * @return string|null */ private function retrieve_term404() { $replacement = null; if ( $this->args->term404 !== '' ) { $replacement = sanitize_text_field( str_replace( '-', ' ', $this->args->term404 ) ); } else { $error_request = get_query_var( 'pagename' ); if ( $error_request !== '' ) { $replacement = sanitize_text_field( str_replace( '-', ' ', $error_request ) ); } else { $error_request = get_query_var( 'name' ); if ( $error_request !== '' ) { $replacement = sanitize_text_field( str_replace( '-', ' ', $error_request ) ); } } } return $replacement; } /** * Retrieve the post/page/cpt author's user id for use as replacement string. * * @return string */ private function retrieve_userid() { // The user ID is an integer, let's cast to string. $replacement = ! empty( $this->args->post_author ) ? (string) $this->args->post_author : (string) get_query_var( 'author' ); return $replacement; } /* *********************** HELP TEXT RELATED ************************** */ /** * Set the help text for a user/plugin/theme defined extra variable. * * @param string $type Type of variable: 'basic' or 'advanced'. * @param WPSEO_Replacement_Variable $replacement_variable The replacement variable to register. */ private static function register_help_text( $type, WPSEO_Replacement_Variable $replacement_variable ) { $identifier = $replacement_variable->get_variable(); if ( ( is_string( $type ) && in_array( $type, [ 'basic', 'advanced' ], true ) ) && ( $identifier !== '' && ! isset( self::$help_texts[ $type ][ $identifier ] ) ) ) { self::$help_texts[ $type ][ $identifier ] = $replacement_variable; } } /** * Generates a list of replacement variables based on the help texts. * * @return array List of replace vars. */ public function get_replacement_variables_list() { self::setup_statics_once(); $replacement_variables = array_merge( $this->get_replacement_variables(), WPSEO_Custom_Fields::get_custom_fields(), WPSEO_Custom_Taxonomies::get_custom_taxonomies() ); return array_map( [ $this, 'format_replacement_variable' ], $replacement_variables ); } /** * Creates a merged associative array of both the basic and advanced help texts. * * @return array Array with the replacement variables. */ private function get_replacement_variables() { $help_texts = array_merge( self::$help_texts['basic'], self::$help_texts['advanced'] ); return array_filter( array_keys( $help_texts ), [ $this, 'is_not_prefixed' ] ); } /** * Checks whether the replacement variable contains a `ct_` or `cf_` prefix, because they follow different logic. * * @param string $replacement_variable The replacement variable. * * @return bool True when the replacement variable is not prefixed. */ private function is_not_prefixed( $replacement_variable ) { $prefixes = [ 'cf_', 'ct_' ]; $prefix = $this->get_prefix( $replacement_variable ); return ! in_array( $prefix, $prefixes, true ); } /** * Strip the prefix from a replacement variable name. * * @param string $replacement_variable The replacement variable. * * @return string The replacement variable name without the prefix. */ private function strip_prefix( $replacement_variable ) { return substr( $replacement_variable, 3 ); } /** * Gets the prefix from a replacement variable name. * * @param string $replacement_variable The replacement variable. * * @return string The prefix of the replacement variable. */ private function get_prefix( $replacement_variable ) { return substr( $replacement_variable, 0, 3 ); } /** * Strips 'desc_' if present, and appends ' description' at the end. * * @param string $label The replacement variable. * * @return string The altered replacement variable name. */ private function handle_description( $label ) { if ( strpos( $label, 'desc_' ) === 0 ) { return substr( $label, 5 ) . ' description'; } return $label; } /** * Creates a label for prefixed replacement variables that matches the format in the editors. * * @param string $replacement_variable The replacement variable. * * @return string The replacement variable label. */ private function get_label( $replacement_variable ) { $prefix = $this->get_prefix( $replacement_variable ); if ( $prefix === 'cf_' ) { return $this->strip_prefix( $replacement_variable ) . ' (custom field)'; } if ( $prefix === 'ct_' ) { $label = $this->strip_prefix( $replacement_variable ); $label = $this->handle_description( $label ); return ucfirst( $label . ' (custom taxonomy)' ); } if ( $prefix === 'pt_' ) { if ( $replacement_variable === 'pt_single' ) { return 'Post type (singular)'; } return 'Post type (plural)'; } return ''; } /** * Formats the replacement variables. * * @param string $replacement_variable The replacement variable to format. * * @return array The formatted replacement variable. */ private function format_replacement_variable( $replacement_variable ) { return [ 'name' => $replacement_variable, 'value' => '', 'label' => $this->get_label( $replacement_variable ), ]; } /** * Set/translate the help texts for the WPSEO standard basic variables. */ private static function set_basic_help_texts() { /* translators: %s: wp_title() function. */ $separator_description = __( 'The separator defined in your theme\'s %s tag.', 'wordpress-seo' ); $separator_description = sprintf( $separator_description, // 'wp_title()' 'wp_title()' ); $replacement_variables = [ new WPSEO_Replacement_Variable( 'date', __( 'Date', 'wordpress-seo' ), __( 'Replaced with the date of the post/page', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'title', __( 'Title', 'wordpress-seo' ), __( 'Replaced with the title of the post/page', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'parent_title', __( 'Parent title', 'wordpress-seo' ), __( 'Replaced with the title of the parent page of the current page', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'archive_title', __( 'Archive title', 'wordpress-seo' ), __( 'Replaced with the normal title for an archive generated by WordPress', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'sitename', __( 'Site title', 'wordpress-seo' ), __( 'The site\'s name', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'sitedesc', __( 'Tagline', 'wordpress-seo' ), __( 'The site\'s tagline', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'excerpt', __( 'Excerpt', 'wordpress-seo' ), __( 'Replaced with the post/page excerpt (or auto-generated if it does not exist)', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'excerpt_only', __( 'Excerpt only', 'wordpress-seo' ), __( 'Replaced with the post/page excerpt (without auto-generation)', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'tag', __( 'Tag', 'wordpress-seo' ), __( 'Replaced with the current tag/tags', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'category', __( 'Category', 'wordpress-seo' ), __( 'Replaced with the post categories (comma separated)', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'primary_category', __( 'Primary category', 'wordpress-seo' ), __( 'Replaced with the primary category of the post/page', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'category_description', __( 'Category description', 'wordpress-seo' ), __( 'Replaced with the category description', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'tag_description', __( 'Tag description', 'wordpress-seo' ), __( 'Replaced with the tag description', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'term_description', __( 'Term description', 'wordpress-seo' ), __( 'Replaced with the term description', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'term_title', __( 'Term title', 'wordpress-seo' ), __( 'Replaced with the term name', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'searchphrase', __( 'Search phrase', 'wordpress-seo' ), __( 'Replaced with the current search phrase', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'term_hierarchy', __( 'Term hierarchy', 'wordpress-seo' ), __( 'Replaced with the term ancestors hierarchy', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'sep', __( 'Separator', 'wordpress-seo' ), $separator_description ), ]; foreach ( $replacement_variables as $replacement_variable ) { self::register_help_text( 'basic', $replacement_variable ); } } /** * Set/translate the help texts for the WPSEO standard advanced variables. */ private static function set_advanced_help_texts() { $replacement_variables = [ new WPSEO_Replacement_Variable( 'pt_single', __( 'Post type (singular)', 'wordpress-seo' ), __( 'Replaced with the content type single label', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'pt_plural', __( 'Post type (plural)', 'wordpress-seo' ), __( 'Replaced with the content type plural label', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'modified', __( 'Modified', 'wordpress-seo' ), __( 'Replaced with the post/page modified time', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'id', __( 'ID', 'wordpress-seo' ), __( 'Replaced with the post/page ID', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'name', __( 'Name', 'wordpress-seo' ), __( 'Replaced with the post/page author\'s \'nicename\'', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'user_description', __( 'User description', 'wordpress-seo' ), __( 'Replaced with the post/page author\'s \'Biographical Info\'', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'page', __( 'Page number', 'wordpress-seo' ), __( 'Replaced with the current page number with context (i.e. page 2 of 4)', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'pagetotal', __( 'Pagetotal', 'wordpress-seo' ), __( 'Replaced with the current page total', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'pagenumber', __( 'Pagenumber', 'wordpress-seo' ), __( 'Replaced with the current page number', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'caption', __( 'Caption', 'wordpress-seo' ), __( 'Attachment caption', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'focuskw', __( 'Focus keyword', 'wordpress-seo' ), __( 'Replaced with the posts focus keyphrase', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'term404', __( 'Term404', 'wordpress-seo' ), __( 'Replaced with the slug which caused the 404', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'cf_', ' ' . __( '(custom field)', 'wordpress-seo' ), __( 'Replaced with a posts custom field value', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'ct_', ' ' . __( '(custom taxonomy)', 'wordpress-seo' ), __( 'Replaced with a posts custom taxonomies, comma separated.', 'wordpress-seo' ) ), new WPSEO_Replacement_Variable( 'ct_desc_', ' ' . __( 'description (custom taxonomy)', 'wordpress-seo' ), __( 'Replaced with a custom taxonomies description', 'wordpress-seo' ) ), ]; foreach ( $replacement_variables as $replacement_variable ) { self::register_help_text( 'advanced', $replacement_variable ); } } /* *********************** GENERAL HELPER METHODS ************************** */ /** * Remove the '%%' delimiters from a variable string. * * @param string $string Variable string to be cleaned. * * @return string */ private static function remove_var_delimiter( $string ) { return trim( $string, '%' ); } /** * Add the '%%' delimiters to a variable string. * * @param string $string Variable string to be delimited. * * @return string */ private static function add_var_delimiter( $string ) { return '%%' . $string . '%%'; } /** * Retrieve a post's terms, comma delimited. * * @param int $id ID of the post to get the terms for. * @param string $taxonomy The taxonomy to get the terms for this post from. * @param bool $return_single If true, return the first term. * * @return string Either a single term or a comma delimited string of terms. */ public function get_terms( $id, $taxonomy, $return_single = false ) { $output = ''; // If we're on a specific tag, category or taxonomy page, use that. if ( is_category() || is_tag() || is_tax() ) { $term = $GLOBALS['wp_query']->get_queried_object(); $output = $term->name; } elseif ( ! empty( $id ) && ! empty( $taxonomy ) ) { $terms = get_the_terms( $id, $taxonomy ); if ( is_array( $terms ) && $terms !== [] ) { foreach ( $terms as $term ) { if ( $return_single ) { $output = $term->name; break; } else { $output .= $term->name . ', '; } } $output = rtrim( trim( $output ), ',' ); } } unset( $terms, $term ); /** * Allows filtering of the terms list used to replace %%category%%, %%tag%% * and %%ct_%% variables. * * @api string $output Comma-delimited string containing the terms. * @api string $taxonomy The taxonomy of the terms. */ return apply_filters( 'wpseo_terms', $output, $taxonomy ); } /** * Gets a taxonomy term hierarchy including the term to get the parents for. * * @return string */ private function get_term_hierarchy() { if ( ! is_taxonomy_hierarchical( $this->args->taxonomy ) ) { return ''; } $separator = ' ' . $this->retrieve_sep() . ' '; $args = [ 'format' => 'name', 'separator' => $separator, 'link' => false, 'inclusive' => true, ]; return rtrim( get_term_parents_list( $this->args->term_id, $this->args->taxonomy, $args ), $separator ); } /** * Retrieves the term ancestors hierarchy. * * @return string|null The term ancestors hierarchy. */ private function retrieve_term_hierarchy() { $replacement = null; if ( isset( $this->args->term_id ) && ! empty( $this->args->taxonomy ) ) { $hierarchy = $this->get_term_hierarchy(); if ( $hierarchy !== '' ) { $replacement = esc_html( $hierarchy ); } } return $replacement; } } Winkel - Suskes Baby & Kinderproducten

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