Reorg category functions. #2525
git-svn-id: http://svn.automattic.com/wordpress/trunk@3843 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan
parent
98a5598483
commit
df5c967953
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@ -1,15 +1,60 @@
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<?php
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function walk_category_tree() {
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$walker = new Walker_Category;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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function get_category_children($id, $before = '/', $after = '') {
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if ( 0 == $id )
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return '';
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$cat_ids = get_all_category_ids();
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foreach ( $cat_ids as $cat_id ) {
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if ( $cat_id == $id)
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continue;
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$category = get_category($cat_id);
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if ( $category->category_parent == $id ) {
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$chain .= $before.$category->cat_ID.$after;
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$chain .= get_category_children($category->cat_ID, $before, $after);
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}
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}
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return $chain;
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}
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function walk_category_dropdown_tree() {
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$walker = new Walker_CategoryDropdown;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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function get_category_link($category_id) {
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global $wp_rewrite;
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$catlink = $wp_rewrite->get_category_permastruct();
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if ( empty($catlink) ) {
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$file = get_settings('home') . '/';
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$catlink = $file . '?cat=' . $category_id;
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} else {
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$category = &get_category($category_id);
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$category_nicename = $category->category_nicename;
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if ( $parent = $category->category_parent )
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$category_nicename = get_category_parents($parent, false, '/', true) . $category_nicename . '/';
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$catlink = str_replace('%category%', $category_nicename, $catlink);
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$catlink = get_settings('home') . trailingslashit($catlink);
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}
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return apply_filters('category_link', $catlink, $category_id);
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}
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function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE){
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$chain = '';
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$parent = &get_category($id);
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if ( $nicename )
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$name = $parent->category_nicename;
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else
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$name = $parent->cat_name;
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if ( $parent->category_parent )
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$chain .= get_category_parents($parent->category_parent, $link, $separator, $nicename);
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if ( $link )
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$chain .= '<a href="' . get_category_link($parent->cat_ID) . '" title="' . sprintf(__("View all posts in %s"), $parent->cat_name) . '">'.$name.'</a>' . $separator;
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else
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$chain .= $name.$separator;
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return $chain;
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}
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function get_the_category($id = false) {
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@ -31,24 +76,10 @@ global $post, $category_cache;
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return $categories;
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}
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function get_category_link($category_id) {
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global $wp_rewrite;
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$catlink = $wp_rewrite->get_category_permastruct();
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if ( empty($catlink) ) {
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$file = get_settings('home') . '/';
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$catlink = $file . '?cat=' . $category_id;
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} else {
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$category = &get_category($category_id);
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$category_nicename = $category->category_nicename;
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if ( $parent = $category->category_parent )
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$category_nicename = get_category_parents($parent, false, '/', true) . $category_nicename . '/';
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$catlink = str_replace('%category%', $category_nicename, $catlink);
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$catlink = get_settings('home') . trailingslashit($catlink);
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}
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return apply_filters('category_link', $catlink, $category_id);
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function get_the_category_by_ID($cat_ID) {
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$cat_ID = (int) $cat_ID;
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$category = &get_category($cat_ID);
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return $category->cat_name;
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}
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function get_the_category_list($separator = '', $parents='') {
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@ -106,53 +137,19 @@ function get_the_category_list($separator = '', $parents='') {
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return apply_filters('the_category', $thelist, $separator, $parents);
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}
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function in_category($category) { // Check if the current post is in the given category
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global $category_cache, $post;
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if ( isset( $category_cache[$post->ID][$category] ) )
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return true;
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else
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return false;
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}
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function the_category($separator = '', $parents='') {
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echo get_the_category_list($separator, $parents);
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}
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function get_the_category_by_ID($cat_ID) {
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$cat_ID = (int) $cat_ID;
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$category = &get_category($cat_ID);
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return $category->cat_name;
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}
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function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE){
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$chain = '';
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$parent = &get_category($id);
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if ( $nicename )
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$name = $parent->category_nicename;
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else
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$name = $parent->cat_name;
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if ( $parent->category_parent )
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$chain .= get_category_parents($parent->category_parent, $link, $separator, $nicename);
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if ( $link )
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$chain .= '<a href="' . get_category_link($parent->cat_ID) . '" title="' . sprintf(__("View all posts in %s"), $parent->cat_name) . '">'.$name.'</a>' . $separator;
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else
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$chain .= $name.$separator;
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return $chain;
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}
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function get_category_children($id, $before = '/', $after = '') {
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if ( 0 == $id )
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return '';
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$cat_ids = get_all_category_ids();
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foreach ( $cat_ids as $cat_id ) {
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if ( $cat_id == $id)
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continue;
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$category = get_category($cat_id);
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if ( $category->category_parent == $id ) {
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$chain .= $before.$category->cat_ID.$after;
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$chain .= get_category_children($category->cat_ID, $before, $after);
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}
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}
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return $chain;
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}
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function category_description($category = 0) {
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global $cat;
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if ( !$category )
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@ -252,115 +249,20 @@ function wp_list_categories($args = '') {
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echo apply_filters('list_cats', $output);
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}
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function in_category($category) { // Check if the current post is in the given category
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global $category_cache, $post;
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//
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// Helper functions
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//
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if ( isset( $category_cache[$post->ID][$category] ) )
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return true;
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else
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return false;
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function walk_category_tree() {
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$walker = new Walker_Category;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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}
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function &_get_cat_children($category_id, $categories) {
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if ( empty($categories) )
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return array();
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$category_list = array();
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foreach ( $categories as $category ) {
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if ( $category->category_parent == $category_id ) {
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$category_list[] = $category;
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if ( $children = _get_cat_children($category->cat_ID, $categories) )
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$category_list = array_merge($category_list, $children);
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}
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}
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return $category_list;
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}
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function &get_categories($args = '') {
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global $wpdb, $category_links;
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if ( is_array($args) )
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$r = &$args;
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else
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parse_str($args, $r);
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$defaults = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC',
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'hide_empty' => true, 'include_last_update_time' => false, 'hierarchical' => 1, $exclude => '', $include => '');
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$r = array_merge($defaults, $r);
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$r['orderby'] = "cat_" . $r['orderby']; // restricts order by to cat_ID and cat_name fields
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extract($r);
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$where = 'cat_ID > 0';
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$inclusions = '';
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if ( !empty($include) ) {
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$child_of = 0; //ignore child_of and exclude params if using include
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$exclude = '';
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$incategories = preg_split('/[\s,]+/',$include);
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if ( count($incategories) ) {
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foreach ( $incategories as $incat ) {
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if (empty($inclusions))
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$inclusions = ' AND ( cat_ID = ' . intval($incat) . ' ';
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else
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$inclusions .= ' OR cat_ID = ' . intval($incat) . ' ';
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}
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}
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}
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if (!empty($inclusions))
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$inclusions .= ')';
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$where .= $inclusions;
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$exclusions = '';
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if ( !empty($exclude) ) {
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$excategories = preg_split('/[\s,]+/',$exclude);
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if ( count($excategories) ) {
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foreach ( $excategories as $excat ) {
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if (empty($exclusions))
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$exclusions = ' AND ( cat_ID <> ' . intval($excat) . ' ';
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else
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$exclusions .= ' AND cat_ID <> ' . intval($excat) . ' ';
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// TODO: Exclude children of excluded cats? Note: children are getting excluded
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}
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}
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}
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if (!empty($exclusions))
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$exclusions .= ')';
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$exclusions = apply_filters('list_cats_exclusions', $exclusions );
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$where .= $exclusions;
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$having = '';
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if ( $hide_empty ) {
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if ( 'link' == $type )
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$having = 'HAVING link_count > 0';
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else
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$having = 'HAVING category_count > 0';
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}
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$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories WHERE $where $having ORDER BY $orderby $order");
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if ( empty($categories) )
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return array();
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// TODO: Integrate this into the main query.
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if ( $include_last_update_time ) {
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$stamps = $wpdb->get_results("SELECT category_id, UNIX_TIMESTAMP( MAX(post_date) ) AS ts FROM $wpdb->posts, $wpdb->post2cat, $wpdb->categories
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WHERE post_status = 'publish' AND post_id = ID AND $where GROUP BY category_id");
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global $cat_stamps;
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foreach ($stamps as $stamp)
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$cat_stamps[$stamp->category_id] = $stamp->ts;
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function stamp_cat($cat) {
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global $cat_stamps;
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$cat->last_update_timestamp = $cat_stamps[$cat->cat_ID];
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return $cat;
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}
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$categories = array_map('stamp_cat', $categories);
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unset($cat_stamps);
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}
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if ( $child_of || $hierarchical )
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$categories = & _get_cat_children($child_of, $categories);
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return apply_filters('get_categories', $categories);
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function walk_category_dropdown_tree() {
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$walker = new Walker_CategoryDropdown;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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}
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?>
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@ -0,0 +1,205 @@
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<?php
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function get_all_category_ids() {
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global $wpdb;
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if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
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$cat_ids = $wpdb->get_col("SELECT cat_ID FROM $wpdb->categories");
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wp_cache_add('all_category_ids', $cat_ids, 'category');
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}
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return $cat_ids;
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}
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function &get_categories($args = '') {
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global $wpdb, $category_links;
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if ( is_array($args) )
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$r = &$args;
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else
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parse_str($args, $r);
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$defaults = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC',
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'hide_empty' => true, 'include_last_update_time' => false, 'hierarchical' => 1, $exclude => '', $include => '');
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$r = array_merge($defaults, $r);
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$r['orderby'] = "cat_" . $r['orderby']; // restricts order by to cat_ID and cat_name fields
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extract($r);
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$where = 'cat_ID > 0';
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$inclusions = '';
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if ( !empty($include) ) {
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$child_of = 0; //ignore child_of and exclude params if using include
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$exclude = '';
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$incategories = preg_split('/[\s,]+/',$include);
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if ( count($incategories) ) {
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foreach ( $incategories as $incat ) {
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if (empty($inclusions))
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$inclusions = ' AND ( cat_ID = ' . intval($incat) . ' ';
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else
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$inclusions .= ' OR cat_ID = ' . intval($incat) . ' ';
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}
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}
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}
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if (!empty($inclusions))
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$inclusions .= ')';
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$where .= $inclusions;
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$exclusions = '';
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if ( !empty($exclude) ) {
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$excategories = preg_split('/[\s,]+/',$exclude);
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if ( count($excategories) ) {
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foreach ( $excategories as $excat ) {
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if (empty($exclusions))
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$exclusions = ' AND ( cat_ID <> ' . intval($excat) . ' ';
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else
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$exclusions .= ' AND cat_ID <> ' . intval($excat) . ' ';
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// TODO: Exclude children of excluded cats? Note: children are getting excluded
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}
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}
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}
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if (!empty($exclusions))
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$exclusions .= ')';
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$exclusions = apply_filters('list_cats_exclusions', $exclusions );
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$where .= $exclusions;
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$having = '';
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if ( $hide_empty ) {
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if ( 'link' == $type )
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$having = 'HAVING link_count > 0';
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else
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$having = 'HAVING category_count > 0';
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}
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$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories WHERE $where $having ORDER BY $orderby $order");
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if ( empty($categories) )
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return array();
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// TODO: Integrate this into the main query.
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if ( $include_last_update_time ) {
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$stamps = $wpdb->get_results("SELECT category_id, UNIX_TIMESTAMP( MAX(post_date) ) AS ts FROM $wpdb->posts, $wpdb->post2cat, $wpdb->categories
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WHERE post_status = 'publish' AND post_id = ID AND $where GROUP BY category_id");
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global $cat_stamps;
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foreach ($stamps as $stamp)
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$cat_stamps[$stamp->category_id] = $stamp->ts;
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function stamp_cat($cat) {
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global $cat_stamps;
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$cat->last_update_timestamp = $cat_stamps[$cat->cat_ID];
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return $cat;
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}
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$categories = array_map('stamp_cat', $categories);
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unset($cat_stamps);
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}
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if ( $child_of || $hierarchical )
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$categories = & _get_cat_children($child_of, $categories);
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return apply_filters('get_categories', $categories);
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}
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// Retrieves category data given a category ID or category object.
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// Handles category caching.
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function &get_category(&$category, $output = OBJECT) {
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global $wpdb;
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if ( empty($category) )
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return null;
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if ( is_object($category) ) {
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wp_cache_add($category->cat_ID, $category, 'category');
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$_category = $category;
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} else {
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if ( ! $_category = wp_cache_get($category, 'category') ) {
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$_category = $wpdb->get_row("SELECT * FROM $wpdb->categories WHERE cat_ID = '$category' LIMIT 1");
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wp_cache_add($category, $_category, 'category');
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}
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}
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if ( $output == OBJECT ) {
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return $_category;
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} elseif ( $output == ARRAY_A ) {
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return get_object_vars($_category);
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} elseif ( $output == ARRAY_N ) {
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return array_values(get_object_vars($_category));
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} else {
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return $_category;
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}
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}
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function get_category_by_path($category_path, $full_match = true, $output = OBJECT) {
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global $wpdb;
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$category_path = rawurlencode(urldecode($category_path));
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$category_path = str_replace('%2F', '/', $category_path);
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$category_path = str_replace('%20', ' ', $category_path);
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$category_paths = '/' . trim($category_path, '/');
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$leaf_path = sanitize_title(basename($category_paths));
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$category_paths = explode('/', $category_paths);
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foreach($category_paths as $pathdir)
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$full_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
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$categories = $wpdb->get_results("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE category_nicename = '$leaf_path'");
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if ( empty($categories) )
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return NULL;
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foreach ($categories as $category) {
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$path = '/' . $leaf_path;
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$curcategory = $category;
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while ($curcategory->category_parent != 0) {
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$curcategory = $wpdb->get_row("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE cat_ID = '$curcategory->category_parent'");
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$path = '/' . $curcategory->category_nicename . $path;
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}
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if ( $path == $full_path )
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return get_category($category->cat_ID, $output);
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}
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// If full matching is not required, return the first cat that matches the leaf.
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if ( ! $full_match )
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return get_category($categories[0]->cat_ID, $output);
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return NULL;
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}
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// Get the ID of a category from its name
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function get_cat_ID($cat_name='General') {
|
||||
global $wpdb;
|
||||
|
||||
$cid = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name='$cat_name'");
|
||||
|
||||
return $cid?$cid:1; // default to cat 1
|
||||
}
|
||||
|
||||
// Deprecate
|
||||
function get_catname($cat_ID) {
|
||||
return get_cat_name($cat_ID);
|
||||
}
|
||||
|
||||
// Get the name of a category from its ID
|
||||
function get_cat_name($cat_id) {
|
||||
$cat_id = (int) $cat_id;
|
||||
$category = &get_category($cat_id);
|
||||
return $category->cat_name;
|
||||
}
|
||||
|
||||
//
|
||||
// Private
|
||||
//
|
||||
|
||||
function &_get_cat_children($category_id, $categories) {
|
||||
if ( empty($categories) )
|
||||
return array();
|
||||
|
||||
$category_list = array();
|
||||
foreach ( $categories as $category ) {
|
||||
if ( $category->category_parent == $category_id ) {
|
||||
$category_list[] = $category;
|
||||
if ( $children = _get_cat_children($category->cat_ID, $categories) )
|
||||
$category_list = array_merge($category_list, $children);
|
||||
}
|
||||
}
|
||||
|
||||
return $category_list;
|
||||
}
|
||||
|
||||
?>
|
||||
|
|
@ -607,25 +607,6 @@ function post_permalink($post_id = 0, $mode = '') { // $mode legacy
|
|||
return get_permalink($post_id);
|
||||
}
|
||||
|
||||
// Get the name of a category from its ID
|
||||
function get_cat_name($cat_id) {
|
||||
global $wpdb;
|
||||
|
||||
$cat_id -= 0; // force numeric
|
||||
$name = $wpdb->get_var("SELECT cat_name FROM $wpdb->categories WHERE cat_ID=$cat_id");
|
||||
|
||||
return $name;
|
||||
}
|
||||
|
||||
// Get the ID of a category from its name
|
||||
function get_cat_ID($cat_name='General') {
|
||||
global $wpdb;
|
||||
|
||||
$cid = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name='$cat_name'");
|
||||
|
||||
return $cid?$cid:1; // default to cat 1
|
||||
}
|
||||
|
||||
// Get author's preferred display name
|
||||
function get_author_name( $auth_id ) {
|
||||
$authordata = get_userdata( $auth_id );
|
||||
|
|
|
|||
|
|
@ -626,86 +626,6 @@ function &get_page(&$page, $output = OBJECT) {
|
|||
}
|
||||
}
|
||||
|
||||
function get_category_by_path($category_path, $full_match = true, $output = OBJECT) {
|
||||
global $wpdb;
|
||||
$category_path = rawurlencode(urldecode($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('/', $category_paths);
|
||||
foreach($category_paths as $pathdir)
|
||||
$full_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
|
||||
|
||||
$categories = $wpdb->get_results("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE category_nicename = '$leaf_path'");
|
||||
|
||||
if ( empty($categories) )
|
||||
return NULL;
|
||||
|
||||
foreach ($categories as $category) {
|
||||
$path = '/' . $leaf_path;
|
||||
$curcategory = $category;
|
||||
while ($curcategory->category_parent != 0) {
|
||||
$curcategory = $wpdb->get_row("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE cat_ID = '$curcategory->category_parent'");
|
||||
$path = '/' . $curcategory->category_nicename . $path;
|
||||
}
|
||||
|
||||
if ( $path == $full_path )
|
||||
return get_category($category->cat_ID, $output);
|
||||
}
|
||||
|
||||
// If full matching is not required, return the first cat that matches the leaf.
|
||||
if ( ! $full_match )
|
||||
return get_category($categories[0]->cat_ID, $output);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// Retrieves category data given a category ID or category object.
|
||||
// Handles category caching.
|
||||
function &get_category(&$category, $output = OBJECT) {
|
||||
global $wpdb;
|
||||
|
||||
if ( empty($category) )
|
||||
return null;
|
||||
|
||||
if ( is_object($category) ) {
|
||||
wp_cache_add($category->cat_ID, $category, 'category');
|
||||
$_category = $category;
|
||||
} else {
|
||||
if ( ! $_category = wp_cache_get($category, 'category') ) {
|
||||
$_category = $wpdb->get_row("SELECT * FROM $wpdb->categories WHERE cat_ID = '$category' LIMIT 1");
|
||||
wp_cache_add($category, $_category, 'category');
|
||||
}
|
||||
}
|
||||
|
||||
if ( $output == OBJECT ) {
|
||||
return $_category;
|
||||
} elseif ( $output == ARRAY_A ) {
|
||||
return get_object_vars($_category);
|
||||
} elseif ( $output == ARRAY_N ) {
|
||||
return array_values(get_object_vars($_category));
|
||||
} else {
|
||||
return $_category;
|
||||
}
|
||||
}
|
||||
|
||||
function get_catname($cat_ID) {
|
||||
$category = &get_category($cat_ID);
|
||||
return $category->cat_name;
|
||||
}
|
||||
|
||||
function get_all_category_ids() {
|
||||
global $wpdb;
|
||||
|
||||
if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
|
||||
$cat_ids = $wpdb->get_col("SELECT cat_ID FROM $wpdb->categories");
|
||||
wp_cache_add('all_category_ids', $cat_ids, 'category');
|
||||
}
|
||||
|
||||
return $cat_ids;
|
||||
}
|
||||
|
||||
function get_all_page_ids() {
|
||||
global $wpdb;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue