nverted to maintain backwards compatibility. * * @since 1.5.1 * @uses get_term() Used to get the category data from the taxonomy. * * @param int|object $category Category ID or Category row object * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @param string $filter Optional. Default is raw or no WordPress defined filter will applied. * @return mixed Category data in type defined by $output parameter. */ function &get_category( $category, $output = OBJECT, $filter = 'raw' ) { $category = get_term( $category, 'category', $output, $filter ); if ( is_wp_error( $category ) ) return $category; _make_cat_compat( $category ); return $category; } /** * Retrieve category based on URL containing the category slug. * * Breaks the $category_path parameter up to get the category slug. * * Tries to find the child path and will return it. If it doesn't find a * match, then it will return the first category matching slug, if $full_match, * is set to false. If it does not, then it will return null. * * It is also possible that it will return a WP_Error object on failure. Check * for it when using this function. * * @since 2.1.0 * * @param string $category_path URL containing category slugs. * @param bool $full_match Optional. Whether full path should be matched. * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @return null|object|array Null on failure. Type is based on $output value. */ function get_category_by_path( $category_path, $full_match = true, $output = OBJECT ) { $category_path = rawurlencode( urldecode( $category_path ) ); $category_path = str_replace( '%2F', '/', $category_path ); $category_path = str_replace( '%20', ' ', $category_path ); $category_paths = '/' . trim( $category_path, '/' ); $leaf_path = sanitize_title( basename( $category_paths ) ); $category_paths = explode( '/', $category_paths ); $full_path = ''; foreach ( (array) $category_paths as $pathdir ) $full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir ); $categories = get_terms( 'category', array('get' => 'all', 'slug' => $leaf_path) ); if ( empty( $categories ) ) return null; foreach ( $categories as $category ) { $path = '/' . $leaf_path; $curcategory = $category; while ( ( $curcategory->parent != 0 ) && ( $curcategory->parent != $curcategory->term_id ) ) { $curcategory = get_term( $curcategory->parent, 'category' ); if ( is_wp_error( $curcategory ) ) return $curcategory; $path = '/' . $curcategory->slug . $path; } if ( $path == $full_path ) return get_category( $category->term_id, $output ); } // If full matching is not required, return the first cat that matches the leaf. if ( ! $full_match ) return get_category( $categories[0]->term_id, $output ); return null; } /** * Retrieve category object by category slug. * * @since 2.3.0 * * @param string $slug The category slug. * @return object Category data object */ function get_category_by_slug( $slug ) { $category = get_term_by( 'slug', $slug, 'category' ); if ( $category ) _make_cat_compat( $category ); return $category; } /** * Retrieve the ID of a category from its name. * * @since 1.0.0 * * @param string $cat_name Optional. Default is 'General' and can be any category name. * @return int 0, if failure and ID of category on success. */ function get_cat_ID( $cat_name='General' ) { $cat = get_term_by( 'name', $cat_name, 'category' ); if ( $cat ) return $cat->term_id; return 0; } /** * Retrieve the name of a category from its ID. * * @since 1.0.0 * * @param int $cat_id Category ID * @return string Category name, or an empty string if category doesn't exist. */ function get_cat_name( $cat_id ) { $cat_id = (int) $cat_id; $category = &get_category( $cat_id ); if ( ! $category || is_wp_error( $category ) ) return ''; return $category->name; } /** * Check if a category is an ancestor of another category. * * You can use either an id or the category object for both parameters. If you * use an integer the category will be retrieved. * * @since 2.1.0 * * @param int|object $cat1 ID or object to check if this is the parent category. * @param int|object $cat2 The child category. * @return bool Whether $cat2 is child of $cat1 */ function cat_is_ancestor_of( $cat1, $cat2 ) { if ( ! isset($cat1->term_id) ) $cat1 = &get_category( $cat1 ); if ( ! isset($cat2->parent) ) $cat2 = &get_category( $cat2 ); if ( empty($cat1->term_id) || empty($cat2->parent) ) return false; if ( $cat2->parent == $cat1->term_id ) return true; return cat_is_ancestor_of( $cat1, get_category( $cat2->parent ) ); } /** * Sanitizes category data based on context. * * @since 2.3.0 * @uses sanitize_term() See this function for what context are supported. * * @param object|array $category Category data * @param string $context Optional. Default is 'display'. * @return object|array Same type as $category with sanitized data for safe use. */ function sanitize_category( $category, $context = 'display' ) { return sanitize_term( $category, 'category', $context ); } /** * Sanitizes data in single category key field. * * @since 2.3.0 * @uses sanitize_term_field() See function for more details. * * @param string $field Category key to sanitize * @param mixed $value Category value to sanitize * @param int $cat_id Category ID * @param string $context What filter to use, 'raw', 'display', etc. * @return mixed Same type as $value after $value has been sanitized. */ function sanitize_category_field( $field, $value, $cat_id, $context ) { return sanitize_term_field( $field, $value, $cat_id, 'category', $context ); } /* Tags */ /** * Retrieves all post tags. * * @since 2.3.0 * @see get_terms() For list of arguments to pass. * @uses apply_filters() Calls 'get_tags' hook on array of tags and with $args. * * @param string|array $args Tag arguments to use when retrieving tags. * @return array List of tags. */ function &get_tags( $args = '' ) { $tags = get_terms( 'post_tag', $args ); if ( empty( $tags ) ) { $return = array(); return $return; } $tags = apply_filters( 'get_tags', $tags, $args ); return $tags; } /** * Retrieve post tag by tag ID or tag object. * * If you pass the $tag parameter an object, which is assumed to be the tag row * object retrieved the database. It will cache the tag data. * * If you pass $tag an integer of the tag ID, then that tag will * be retrieved from the database, if it isn't already cached, and pass it back. * * If you look at get_term(), then both types will be passed through several * filters and finally sanitized based on the $filter parameter value. * * @since 2.3.0 * * @param int|object $tag * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @param string $filter Optional. Default is raw or no WordPress defined filter will applied. * @return object|array Return type based on $output value. */ function &get_tag( $tag, $output = OBJECT, $filter = 'raw' ) { return get_term( $tag, 'post_tag', $output, $filter ); } /* Cache */ /** * Remove the category cache data based on ID. * * @since 2.1.0 * @uses clean_term_cache() Clears the cache for the category based on ID * * @param int $id Category ID */ function clean_category_cache( $id ) { clean_term_cache( $id, 'category' ); } /** * Update category structure to old pre 2.3 from new taxonomy structure. * * This function was added for the taxonomy support to update the new category * structure with the old category one. This will maintain compatibility with * plugins and themes which depend on the old key or property names. * * The parameter should only be passed a variable and not create the array or * object inline to the parameter. The reason for this is that parameter is * passed by reference and PHP will fail unless it has the variable. * * There is no return value, because everything is updated on the variable you * pass to it. This is one of the features with using pass by reference in PHP. * * @since 2.3.0 * @access private * * @param array|object $category Category Row object or array */ function _make_cat_compat( &$category ) { if ( is_object( $category ) ) { $category->cat_ID = &$category->term_id; $category->category_count = &$category->count; $category->category_description = &$category->description; $category->cat_name = &$category->name; $category->category_nicename = &$category->slug; $category->category_parent = &$category->parent; } elseif ( is_array( $category ) && isset( $category['term_id'] ) ) { $category['cat_ID'] = &$category['term_id']; $category['category_count'] = &$category['count']; $category['category_description'] = &$category['description']; $category['cat_name'] = &$category['name']; $category['category_nicename'] = &$category['slug']; $category['category_parent'] = &$category['parent']; } } ?> ss . '"'; $output .= ">$link\n"; } else { $output .= "\t$link
\n"; } } /** * @see Walker::end_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $page Not used. * @param int $depth Depth of category. Not used. * @param array $args Only uses 'list' for whether should append to output. */ function end_el(&$output, $page, $depth, $args) { if ( 'list' != $args['style'] ) return; $output .= "\n"; } } /** * Create HTML dropdown list of Categories. * * @package WordPress * @since 2.1.0 * @uses Walker */ class Walker_CategoryDropdown extends Walker { /** * @see Walker::$tree_type * @since 2.1.0 * @var string */ var $tree_type = 'category'; /** * @see Walker::$db_fields * @since 2.1.0 * @todo Decouple this * @var array */ var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); /** * @see Walker::start_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $category Category data object. * @param int $depth Depth of category. Used for padding. * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist. */ function start_el(&$output, $category, $depth, $args) { $pad = str_repeat(' ', $depth * 3); $cat_name = apply_filters('list_cats', $category->name, $category); $output .= "\t\n"; } } // // Tags // /** * Retrieve the link to the tag. * * @since 2.3.0 * @see get_term_link() * * @param int|object $tag Tag ID or object. * @return string Link on success, empty string if tag does not exist. */ function get_tag_link( $tag ) { if ( ! is_object( $tag ) ) $tag = (int) $tag; $tag = get_term_link( $tag, 'post_tag' ); if ( is_wp_error( $tag ) ) return ''; return $tag; } /** * Retrieve the tags for a post. * * @since 2.3.0 * @uses apply_filters() Calls 'get_the_tags' filter on the list of post tags. * * @param int $id Post ID. * @return array */ function get_the_tags( $id = 0 ) { return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) ); } /** * Retrieve the tags for a post formatted as a string. * * @since 2.3.0 * @uses apply_filters() Calls 'the_tags' filter on string list of tags. * * @param string $before Optional. Before tags. * @param string $sep Optional. Between tags. * @param string $after Optional. After tags. * @return string */ function get_the_tag_list( $before = '', $sep = '', $after = '' ) { return apply_filters( 'the_tags', get_the_term_list( 0, 'post_tag', $before, $sep, $after ), $before, $sep, $after); } /** * Retrieve the tags for a post. * * @since 2.3.0 * * @param string $before Optional. Before list. * @param string $sep Optional. Separate items using this. * @param string $after Optional. After list. * @return string */ function the_tags( $before = null, $sep = ', ', $after = '' ) { if ( null === $before ) $before = __('Tags: '); echo get_the_tag_list($before, $sep, $after); } /** * Retrieve tag description. * * @since 2.8 * * @param int $tag Optional. Tag ID. Will use global tag ID by default. * @return string Tag description, available. */ function tag_description( $tag = 0 ) { return term_description( $tag ); } /** * Retrieve term description. * * @since 2.8 * * @param int $term Optional. Term ID. Will use global term ID by default. * @return string Term description, available. */ function term_description( $term = 0, $taxonomy = 'post_tag' ) { if ( !$term && ( is_tax() || is_tag() || is_category() ) ) { $term = get_queried_object(); $taxonomy = $term->taxonomy; $term = $term->term_id; } $description = get_term_field( 'description', $term, $taxonomy ); return is_wp_error( $description ) ? '' : $description; } /** * Retrieve the terms of the taxonomy that are attached to the post. * * @since 2.5.0 * * @param int $id Post ID. Is not optional. * @param string $taxonomy Taxonomy name. * @return array|bool False on failure. Array of term objects on success. */ function get_the_terms( $id = 0, $taxonomy ) { global $post; $id = (int) $id; if ( !$id ) { if ( !$post->ID ) return false; else $id = (int) $post->ID; } $terms = get_object_term_cache( $id, $taxonomy ); if ( false === $terms ) { $terms = wp_get_object_terms( $id, $taxonomy ); wp_cache_add($id, $terms, $taxonomy . '_relationships'); } $terms = apply_filters( 'get_the_terms', $terms, $id, $taxonomy ); if ( empty( $terms ) ) return false; return $terms; } /** * Retrieve a post's terms as a list with specified format. * * @since 2.5.0 * * @param int $id Post ID. * @param string $taxonomy Taxonomy name. * @param string $before Optional. Before list. * @param string $sep Optional. Separate items using this. * @param string $after Optional. After list. * @return string */ function get_the_term_list( $id = 0, $taxonomy, $before = '', $sep = '', $after = '' ) { $terms = get_the_terms( $id, $taxonomy ); if ( is_wp_error( $terms ) ) return $terms; if ( empty( $terms ) ) return false; foreach ( $terms as $term ) { $link = get_term_link( $term, $taxonomy ); if ( is_wp_error( $link ) ) return $link; $term_links[] = ''; } $term_links = apply_filters( "term_links-$taxonomy", $term_links ); return $before . join( $sep, $term_links ) . $after; } /** * Display the terms in a list. * * @since 2.5.0 * * @param int $id Post ID. * @param string $taxonomy Taxonomy name. * @param string $before Optional. Before list. * @param string $sep Optional. Separate items using this. * @param string $after Optional. After list. * @return null|bool False on WordPress error. Returns null when displaying. */ function the_terms( $id = 0, $taxonomy, $before = '', $sep = ', ', $after = '' ) { $term_list = get_the_term_list( $id, $taxonomy, $before, $sep, $after ); if ( is_wp_error( $term_list ) ) return false; echo apply_filters('the_terms', $term_list, $taxonomy, $before, $sep, $after); } /** * Check if the current post has any of given category. * * @since 3.1.0 * * @param string|int|array $tag Optional. The category name/term_id/slug or array of them to check for. * @param int|object $post Optional. Post to check instead of the current post. * @return bool True if the current post has any of the given categories (or any category, if no category specified). */ function has_category( $category = '', $post = null ) { return has_term( $category, 'category', $post ); } /** * Check if the current post has any of given tags. * * The given tags are checked against the post's tags' term_ids, names and slugs. * Tags given as integers will only be checked against the post's tags' term_ids. * If no tags are given, determines if post has any tags. * * Prior to v2.7 of WordPress, tags given as integers would also be checked against the post's tags' names and slugs (in addition to term_ids) * Prior to v2.7, this function could only be used in the WordPress Loop. * As of 2.7, the function can be used anywhere if it is provided a post ID or post object. * * @since 2.6.0 * * @param string|int|array $tag Optional. The tag name/term_id/slug or array of them to check for. * @param int|object $post Optional. Post to check instead of the current post. (since 2.7.0) * @return bool True if the current post has any of the given tags (or any tag, if no tag specified). */ function has_tag( $tag = '', $post = null ) { return has_term( $tag, 'post_tag', $post ); } /** * Check if the current post has any of given terms. * * The given terms are checked against the post's terms' term_ids, names and slugs. * Terms given as integers will only be checked against the post's terms' term_ids. * If no terms are given, determines if post has any terms. * * @since 3.1.0 * * @param string|int|array $term Optional. The term name/term_id/slug or array of them to check for. * @param string $taxonomy Taxonomy name * @param int|object $post Optional. Post to check instead of the current post. * @return bool True if the current post has any of the given tags (or any tag, if no tag specified). */ function has_term( $term = '', $taxonomy = '', $post = null ) { $post = get_post($post); if ( !$post ) return false; $r = is_object_in_term( $post->ID, $taxonomy, $term ); if ( is_wp_error( $r ) ) return false; return $r; } ?> ex\.php$" ignoreCase="false" /> '; } else { $rules .= ' '; } } if ( $add_parent_tags ) { $rules .= ' '; } $rules = apply_filters('iis7_url_rewrite_rules', $rules); return $rules; } /** * Add a straight rewrite rule. * * Any value in the $after parameter that isn't 'bottom' will be placed at * the top of the rules. * * @since 2.1.0 * @access public * * @param string $regex Regular expression to match against request. * @param string $redirect URL regex redirects to when regex matches request. * @param string $after Optional, default is bottom. Location to place rule. */ function add_rule($regex, $redirect, $after = 'bottom') { //get everything up to the first ? $index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?')); $front = substr($redirect, 0, $index); if ( $front != $this->index ) { //it doesn't redirect to WP's index.php $this->add_external_rule($regex, $redirect); } else { if ( 'bottom' == $after) $this->extra_rules = array_merge($this->extra_rules, array($regex => $redirect)); else $this->extra_rules_top = array_merge($this->extra_rules_top, array($regex => $redirect)); //$this->extra_rules[$regex] = $redirect; } } /** * Add a rule that doesn't redirect to index.php. * * Can redirect to any place. * * @since 2.1.0 * @access public * * @param string $regex Regular expression to match against request. * @param string $redirect URL regex redirects to when regex matches request. */ function add_external_rule($regex, $redirect) { $this->non_wp_rules[$regex] = $redirect; } /** * Add an endpoint, like /trackback/. * * To be inserted after certain URL types (specified in $places). * * @since 2.1.0 * @access public * * @param string $name Name of endpoint. * @param array $places URL types that endpoint can be used. */ function add_endpoint($name, $places) { global $wp; $this->endpoints[] = array ( $places, $name ); $wp->add_query_var($name); } /** * Add permalink structure. * * These are added along with the extra rewrite rules that are merged to the * top. * * @since 2.5.0 * @access public * * @param string $name Name for permalink structure. * @param string $struct Permalink structure. * @param bool $with_front Prepend front base to permalink structure. */ function add_permastruct($name, $struct, $with_front = true, $ep_mask = EP_NONE) { if ( $with_front ) $struct = $this->front . $struct; else $struct = $this->root . $struct; $this->extra_permastructs[$name] = array($struct, $ep_mask); } /** * Remove rewrite rules and then recreate rewrite rules. * * Calls {@link WP_Rewrite::wp_rewrite_rules()} after removing the * 'rewrite_rules' option. If the function named 'save_mod_rewrite_rules' * exists, it will be called. * * @since 2.0.1 * @access public * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard). */ function flush_rules($hard = true) { delete_option('rewrite_rules'); $this->wp_rewrite_rules(); if ( $hard && function_exists('save_mod_rewrite_rules') ) save_mod_rewrite_rules(); if ( $hard && function_exists('iis7_save_url_rewrite_rules') ) iis7_save_url_rewrite_rules(); } /** * Sets up the object's properties. * * The 'use_verbose_page_rules' object property will be set to true if the * permalink structure begins with one of the following: '%postname%', '%category%', * '%tag%', or '%author%'. * * @since 1.5.0 * @access public */ function init() { $this->extra_rules = $this->non_wp_rules = $this->endpoints = array(); $this->permalink_structure = get_option('permalink_structure'); $this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%')); $this->root = ''; if ( $this->using_index_permalinks() ) $this->root = $this->index . '/'; unset($this->author_structure); unset($this->date_structure); unset($this->page_structure); unset($this->search_structure); unset($this->feed_structure); unset($this->comment_feed_structure); $this->use_trailing_slashes = ( '/' == substr($this->permalink_structure, -1, 1) ); // Enable generic rules for pages if permalink structure doesn't begin with a wildcard. if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) ) $this->use_verbose_page_rules = true; else $this->use_verbose_page_rules = false; } /** * Set the main permalink structure for the blog. * * Will update the 'permalink_structure' option, if there is a difference * between the current permalink structure and the parameter value. Calls * {@link WP_Rewrite::init()} after the option is updated. * * Fires the 'permalink_structure_changed' action once the init call has * processed passing the old and new values * * @since 1.5.0 * @access public * * @param string $permalink_structure Permalink structure. */ function set_permalink_structure($permalink_structure) { if ( $permalink_structure != $this->permalink_structure ) { update_option('permalink_structure', $permalink_structure); $this->init(); do_action('permalink_structure_changed', $this->permalink_structure, $permalink_structure); } } /** * Set the category base for the category permalink. * * Will update the 'category_base' option, if there is a difference between * the current category base and the parameter value. Calls * {@link WP_Rewrite::init()} after the option is updated. * * @since 1.5.0 * @access public * * @param string $category_base Category permalink structure base. */ function set_category_base($category_base) { if ( $category_base != get_option('category_base') ) { update_option('category_base', $category_base); $this->init(); } } /** * Set the tag base for the tag permalink. * * Will update the 'tag_base' option, if there is a difference between the * current tag base and the parameter value. Calls * {@link WP_Rewrite::init()} after the option is updated. * * @since 2.3.0 * @access public * * @param string $tag_base Tag permalink structure base. */ function set_tag_base( $tag_base ) { if ( $tag_base != get_option( 'tag_base') ) { update_option( 'tag_base', $tag_base ); $this->init(); } } /** * Constructor - Calls init(), which runs setup. * * @since 1.5.0 * @access public * * @return WP_Rewrite */ function __construct() { $this->init(); } } ?>
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