Wordpress 2.6.2

[autoinstalls/wordpress.git] / wp-includes / category-template.php

diff --git a/wp-includes/category-template.php b/wp-includes/category-template.php
index ba24302074acab8eedaa9e6523249839af177c5f..2c37e977388fb33edd762a62a428d30ff80dc5c1 100644 (file)
--- a/wp-includes/category-template.php
+++ b/wp-includes/category-template.php
@@ -1,6 +1,6 @@
 <?php
 
-function get_category_children($id, $before = '/', $after = '') {
+function get_category_children($id, $before = '/', $after = '', $visited=array()) {
        if ( 0 == $id )
                return '';
 
@@ -14,7 +14,8 @@ function get_category_children($id, $before = '/', $after = '') {
                $category = get_category($cat_id);
                if ( is_wp_error( $category ) )
                        return $category;
-               if ( $category->parent == $id ) {
+               if ( $category->parent == $id && !in_array($category->term_id, $visited) ) {
+                       $visited[] = $category->term_id;
                        $chain .= $before.$category->term_id.$after;
                        $chain .= get_category_children($category->term_id, $before, $after);
                }
@@ -44,7 +45,7 @@ function get_category_link($category_id) {
        return apply_filters('category_link', $catlink, $category_id);
 }
 
-function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE){
+function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE, $visited = array()){
        $chain = '';
        $parent = &get_category($id);
        if ( is_wp_error( $parent ) )
@@ -55,8 +56,10 @@ function get_category_parents($id, $link = FALSE, $separator = '/', $nicename =
        else
                $name = $parent->cat_name;
 
-       if ( $parent->parent && ($parent->parent != $parent->term_id) )
-               $chain .= get_category_parents($parent->parent, $link, $separator, $nicename);
+       if ( $parent->parent && ($parent->parent != $parent->term_id) && !in_array($parent->parent, $visited) ) {
+               $visited[] = $parent->parent;
+               $chain .= get_category_parents($parent->parent, $link, $separator, $nicename, $visited);
+       }
 
        if ( $link )
                $chain .= '<a href="' . get_category_link($parent->term_id) . '" title="' . sprintf(__("View all posts in %s"), $parent->cat_name) . '">'.$name.'</a>' . $separator;
@@ -185,9 +188,12 @@ function in_category( $category ) { // Check if the current post is in the given
        if ( empty($category) )
                return false;
 
-       $cat_ID = get_cat_ID($category);
-       if ( $cat_ID )
-               $category = $cat_ID;
+       // If category is not an int, check to see if it's a name
+       if ( ! is_int($category) ) {
+               $cat_ID = get_cat_ID($category);
+               if ( $cat_ID )
+                       $category = $cat_ID;
+       }
 
        $categories = get_object_term_cache($post->ID, 'category');
        if ( false === $categories )
@@ -272,7 +278,7 @@ function wp_list_categories($args = '') {
                'style' => 'list', 'show_count' => 0,
                'hide_empty' => 1, 'use_desc_for_title' => 1,
                'child_of' => 0, 'feed' => '', 'feed_type' => '',
-               'feed_image' => '', 'exclude' => '',
+               'feed_image' => '', 'exclude' => '', 'current_category' => 0,
                'hierarchical' => true, 'title_li' => __('Categories'),
                'echo' => 1, 'depth' => 0
        );
@@ -309,7 +315,7 @@ function wp_list_categories($args = '') {
                        else
                                $output .= '<a href="' .  get_bloginfo('url')  . '">' . $show_option_all . '</a>';
 
-               if ( is_category() )
+               if ( empty( $r['current_category'] ) && is_category() )
                        $r['current_category'] = $wp_query->get_queried_object_id();
 
                if ( $hierarchical )
@@ -412,7 +418,6 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
        foreach ( $counts as $tag => $count ) {
                $tag_id = $tag_ids[$tag];
                $tag_link = clean_url($tag_links[$tag]);
-               $tag = str_replace(' ', '&nbsp;', wp_specialchars( $tag ));
                $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . attribute_escape( sprintf( __ngettext('%d topic','%d topics',$count), $count ) ) . "'$rel style='font-size: " .
                        ( $smallest + ( ( $count - $min_count ) * $font_step ) )
                        . "$unit;'>$tag</a>";
@@ -536,4 +541,41 @@ function the_terms( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
                echo $return;
 }
 
+/**
+ * Check if the current post has the given tag
+ *
+ * @package WordPress
+ * @since 2.6
+ *
+ * @uses wp_get_object_terms() Gets the tags.
+ *
+ * @param string|int|array $tag Optional. The tag name/id/slug or array of them to check for
+ * @return bool True if the current post has the given tag, or any tag, if no tag specified
+ */
+function has_tag($tag = '') {
+       global $post;
+       $taxonomy = 'post_tag';
+
+       if ( !in_the_loop() ) return false; // in-the-loop function
+
+       $post_id = (int) $post->ID;
+
+       $terms = get_object_term_cache($post_id, $taxonomy);
+       if (empty($terms))
+                $terms = wp_get_object_terms($post_id, $taxonomy);
+       if (empty($terms)) return false;
+
+       if (empty($tag)) return (!empty($terms));
+
+       $tag = (array) $tag;
+
+       foreach($terms as $term) {
+               if ( in_array( $term->term_id, $tag ) ) return true;
+               if ( in_array( $term->name, $tag ) ) return true;
+               if ( in_array( $term->slug, $tag ) ) return true;
+       }
+
+       return false;
+}
+
 ?>