ID ); return $primary_term->get_primary_term(); } } if ( ! function_exists( 'yoast_get_primary_term' ) ) { /** * Get the primary term name. * * @param string $taxonomy Optional. The taxonomy to get the primary term for. Defaults to category. * @param null|int|WP_Post $post Optional. Post to get the primary term for. * * @return string Name of the primary term. */ function yoast_get_primary_term( $taxonomy = 'category', $post = null ) { $primary_term_id = yoast_get_primary_term_id( $taxonomy, $post ); $term = get_term( $primary_term_id ); if ( ! is_wp_error( $term ) && ! empty( $term ) ) { return $term->name; } return ''; } } /** * Replace `%%variable_placeholders%%` with their real value based on the current requested page/post/cpt. * * @param string $string The string to replace the variables in. * @param object $args The object some of the replacement values might come from, could be a post, taxonomy or term. * @param array $omit Variables that should not be replaced by this function. * * @return string */ function wpseo_replace_vars( $string, $args, $omit = array() ) { $replacer = new WPSEO_Replace_Vars(); return $replacer->replace( $string, $args, $omit ); } /** * Register a new variable replacement. * * This function is for use by other plugins/themes to easily add their own additional variables to replace. * This function should be called from a function on the 'wpseo_register_extra_replacements' action hook. * The use of this function is preferred over the older 'wpseo_replacements' filter as a way to add new replacements. * The 'wpseo_replacements' filter should still be used to adjust standard WPSEO replacement values. * The function can not be used to replace standard WPSEO replacement value functions and will thrown a warning * if you accidently try. * To avoid conflicts with variables registered by WPSEO and other themes/plugins, try and make the * name of your variable unique. Variable names also can not start with "%%cf_" or "%%ct_" as these are reserved * for the standard WPSEO variable variables 'cf_', 'ct_' and * 'ct_desc_'. * The replacement function will be passed the undelimited name (i.e. stripped of the %%) of the variable * to replace in case you need it. * * Example code: * * * * * @since 1.5.4 * * @param string $var The name of the variable to replace, i.e. '%%var%%' * - the surrounding %% are optional, name can only contain [A-Za-z0-9_-]. * @param mixed $replace_function Function or method to call to retrieve the replacement value for the variable * Uses the same format as add_filter/add_action function parameter and * should *return* the replacement value. DON'T echo it. * @param string $type Type of variable: 'basic' or 'advanced', defaults to 'advanced'. * @param string $help_text Help text to be added to the help tab for this variable. * * @return bool Whether the replacement function was succesfully registered. */ function wpseo_register_var_replacement( $var, $replace_function, $type = 'advanced', $help_text = '' ) { return WPSEO_Replace_Vars::register_replacement( $var, $replace_function, $type, $help_text ); } /** * WPML plugin support: Set titles for custom types / taxonomies as translatable. * It adds new keys to a wpml-config.xml file for a custom post type title, metadesc, title-ptarchive and metadesc-ptarchive fields translation. * Documentation: http://wpml.org/documentation/support/language-configuration-files/ * * @global $sitepress * * @param array $config WPML configuration data to filter. * * @return array */ function wpseo_wpml_config( $config ) { global $sitepress; if ( ( is_array( $config ) && isset( $config['wpml-config']['admin-texts']['key'] ) ) && ( is_array( $config['wpml-config']['admin-texts']['key'] ) && $config['wpml-config']['admin-texts']['key'] !== array() ) ) { $admin_texts = $config['wpml-config']['admin-texts']['key']; foreach ( $admin_texts as $k => $val ) { if ( $val['attr']['name'] === 'wpseo_titles' ) { $translate_cp = array_keys( $sitepress->get_translatable_documents() ); if ( is_array( $translate_cp ) && $translate_cp !== array() ) { foreach ( $translate_cp as $post_type ) { $admin_texts[ $k ]['key'][]['attr']['name'] = 'title-' . $post_type; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-' . $post_type; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metakey-' . $post_type; $admin_texts[ $k ]['key'][]['attr']['name'] = 'title-ptarchive-' . $post_type; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-ptarchive-' . $post_type; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metakey-ptarchive-' . $post_type; $translate_tax = $sitepress->get_translatable_taxonomies( false, $post_type ); if ( is_array( $translate_tax ) && $translate_tax !== array() ) { foreach ( $translate_tax as $taxonomy ) { $admin_texts[ $k ]['key'][]['attr']['name'] = 'title-tax-' . $taxonomy; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-tax-' . $taxonomy; $admin_texts[ $k ]['key'][]['attr']['name'] = 'metakey-tax-' . $taxonomy; } } } } break; } } $config['wpml-config']['admin-texts']['key'] = $admin_texts; } return $config; } add_filter( 'icl_wpml_config_array', 'wpseo_wpml_config' ); /** * Yoast SEO breadcrumb shortcode. * [wpseo_breadcrumb] * * @return string */ function wpseo_shortcode_yoast_breadcrumb() { return yoast_breadcrumb( '', '', false ); } add_shortcode( 'wpseo_breadcrumb', 'wpseo_shortcode_yoast_breadcrumb' ); /** * Emulate PHP native ctype_digit() function for when the ctype extension would be disabled *sigh*. * Only emulates the behaviour for when the input is a string, does not handle integer input as ascii value. * * @param string $string * * @return bool */ if ( ! extension_loaded( 'ctype' ) || ! function_exists( 'ctype_digit' ) ) { /** * @param string $string String input to validate. * * @return bool */ function ctype_digit( $string ) { $return = false; if ( ( is_string( $string ) && $string !== '' ) && preg_match( '`^\d+$`', $string ) === 1 ) { $return = true; } return $return; } } /** * Makes sure the taxonomy meta is updated when a taxonomy term is split. * * @link https://make.wordpress.org/core/2015/02/16/taxonomy-term-splitting-in-4-2-a-developer-guide/ Article explaining the taxonomy term splitting in WP 4.2. * * @param string $old_term_id Old term id of the taxonomy term that was splitted. * @param string $new_term_id New term id of the taxonomy term that was splitted. * @param string $term_taxonomy_id Term taxonomy id for the taxonomy that was affected. * @param string $taxonomy The taxonomy that the taxonomy term was splitted for. */ function wpseo_split_shared_term( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { $tax_meta = get_option( 'wpseo_taxonomy_meta', array() ); if ( ! empty( $tax_meta[ $taxonomy ][ $old_term_id ] ) ) { $tax_meta[ $taxonomy ][ $new_term_id ] = $tax_meta[ $taxonomy ][ $old_term_id ]; unset( $tax_meta[ $taxonomy ][ $old_term_id ] ); update_option( 'wpseo_taxonomy_meta', $tax_meta ); } } add_action( 'split_shared_term', 'wpseo_split_shared_term', 10, 4 );