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/homepage/wordpress/wp-includes/category-template.php
<?php function get_category_children($id, $before = '/', $after = '') { if ( 0 == $id ) return ''; $chain = ''; // TODO: consult hierarchy $cat_ids = get_all_category_ids(); foreach ( $cat_ids as $cat_id ) { if ( $cat_id == $id ) continue; $category = get_category($cat_id); if ( is_wp_error( $category ) ) return $category; if ( $category->parent == $id ) { $chain .= $before.$category->term_id.$after; $chain .= get_category_children($category->term_id, $before, $after); } } return $chain; } function get_category_link($category_id) { global $wp_rewrite; $catlink = $wp_rewrite->get_category_permastruct(); if ( empty($catlink) ) { $file = get_option('home') . '/'; $catlink = $file . '?cat=' . $category_id; } else { $category = &get_category($category_id); if ( is_wp_error( $category ) ) return $category; $category_nicename = $category->slug; if ( $parent = $category->parent ) $category_nicename = get_category_parents($parent, false, '/', true) . $category_nicename; $catlink = str_replace('%category%', $category_nicename, $catlink); $catlink = get_option('home') . user_trailingslashit($catlink, 'category'); } return apply_filters('category_link', $catlink, $category_id); } function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE){ $chain = ''; $parent = &get_category($id); if ( is_wp_error( $parent ) ) return $parent; if ( $nicename ) $name = $parent->slug; else $name = $parent->cat_name; if ( $parent->parent && ($parent->parent != $parent->term_id) ) $chain .= get_category_parents($parent->parent, $link, $separator, $nicename); if ( $link ) $chain .= '<a href="' . get_category_link($parent->term_id) . '" title="' . sprintf(__("View all posts in %s"), $parent->cat_name) . '">'.$name.'</a>' . $separator; else $chain .= $name.$separator; return $chain; } function get_the_category($id = false) { global $post; $id = (int) $id; if ( !$id ) $id = (int) $post->ID; $categories = get_object_term_cache($id, 'category'); if ( false === $categories ) $categories = wp_get_object_terms($id, 'category'); if ( !empty($categories) ) usort($categories, '_usort_terms_by_name'); else $categories = array(); foreach(array_keys($categories) as $key) { _make_cat_compat($categories[$key]); } return $categories; } function _usort_terms_by_name($a, $b) { return strcmp($a->name, $b->name); } function _usort_terms_by_ID($a, $b) { if ( $a->term_id > $b->term_id ) return 1; elseif ( $a->term_id < $b->term_id ) return -1; else return 0; } function get_the_category_by_ID($cat_ID) { $cat_ID = (int) $cat_ID; $category = &get_category($cat_ID); if ( is_wp_error( $category ) ) return $category; return $category->name; } function get_the_category_list($separator = '', $parents='', $post_id = false) { global $wp_rewrite; $categories = get_the_category($post_id); if (empty($categories)) return apply_filters('the_category', __('Uncategorized'), $separator, $parents); $rel = ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"'; $thelist = ''; if ( '' == $separator ) { $thelist .= '<ul class="post-categories">'; foreach ( $categories as $category ) { $thelist .= "\n\t<li>"; switch ( strtolower($parents) ) { case 'multiple': if ($category->parent) $thelist .= get_category_parents($category->parent, TRUE); $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>' . $category->name.'</a></li>'; break; case 'single': $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>'; if ($category->parent) $thelist .= get_category_parents($category->parent, FALSE); $thelist .= $category->name.'</a></li>'; break; case '': default: $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>' . $category->cat_name.'</a></li>'; } } $thelist .= '</ul>'; } else { $i = 0; foreach ( $categories as $category ) { if ( 0 < $i ) $thelist .= $separator . ' '; switch ( strtolower($parents) ) { case 'multiple': if ( $category->parent ) $thelist .= get_category_parents($category->parent, TRUE); $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>' . $category->cat_name.'</a>'; break; case 'single': $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>'; if ( $category->parent ) $thelist .= get_category_parents($category->parent, FALSE); $thelist .= "$category->cat_name</a>"; break; case '': default: $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>' . $category->name.'</a>'; } ++$i; } } return apply_filters('the_category', $thelist, $separator, $parents); } /* * in_category() - Checks whether the current post is within a particular category * * This function checks to see if the post is within the supplied category. The categoy * can be specified by number or name and will be checked as a name first to allow for categories with numeric names. * Note: Prior to v2.5 of WordPress category names where not supported. * * @since 1.2.0 * * @param int|string $category * @return bool true if the post is in the supplied category */ function in_category( $category ) { // Check if the current post is in the given category global $post; if ( empty($category) ) return false; $cat_ID = get_cat_ID($category); if ( $cat_ID ) $category = $cat_ID; $categories = get_object_term_cache($post->ID, 'category'); if ( false === $categories ) $categories = wp_get_object_terms($post->ID, 'category'); if ( array_key_exists($category, $categories) ) return true; else return false; } function the_category($separator = '', $parents='', $post_id = false) { echo get_the_category_list($separator, $parents, $post_id); } function category_description($category = 0) { global $cat; if ( !$category ) $category = $cat; return get_term_field('description', $category, 'category'); } function wp_dropdown_categories($args = '') { $defaults = array( 'show_option_all' => '', 'show_option_none' => '', 'orderby' => 'ID', 'order' => 'ASC', 'show_last_update' => 0, 'show_count' => 0, 'hide_empty' => 1, 'child_of' => 0, 'exclude' => '', 'echo' => 1, 'selected' => 0, 'hierarchical' => 0, 'name' => 'cat', 'class' => 'postform', 'depth' => 0, 'tab_index' => 0 ); $defaults['selected'] = ( is_category() ) ? get_query_var('cat') : 0; $r = wp_parse_args( $args, $defaults ); $r['include_last_update_time'] = $r['show_last_update']; extract( $r ); $tab_index_attribute = ''; if ( (int) $tab_index > 0 ) $tab_index_attribute = " tabindex=\"$tab_index\""; $categories = get_categories($r); $output = ''; if ( ! empty($categories) ) { $output = "<select name='$name' id='$name' class='$class' $tab_index_attribute>\n"; if ( $show_option_all ) { $show_option_all = apply_filters('list_cats', $show_option_all); $output .= "\t<option value='0'>$show_option_all</option>\n"; } if ( $show_option_none) { $show_option_none = apply_filters('list_cats', $show_option_none); $output .= "\t<option value='-1'>$show_option_none</option>\n"; } if ( $hierarchical ) $depth = $r['depth']; // Walk the full depth. else $depth = -1; // Flat. $output .= walk_category_dropdown_tree($categories, $depth, $r); $output .= "</select>\n"; } $output = apply_filters('wp_dropdown_cats', $output); if ( $echo ) echo $output; return $output; } function wp_list_categories($args = '') { $defaults = array( 'show_option_all' => '', 'orderby' => 'name', 'order' => 'ASC', 'show_last_update' => 0, 'style' => 'list', 'show_count' => 0, 'hide_empty' => 1, 'use_desc_for_title' => 1, 'child_of' => 0, 'feed' => '', 'feed_type' => '', 'feed_image' => '', 'exclude' => '', 'hierarchical' => true, 'title_li' => __('Categories'), 'echo' => 1, 'depth' => 0 ); $r = wp_parse_args( $args, $defaults ); if ( !isset( $r['pad_counts'] ) && $r['show_count'] && $r['hierarchical'] ) { $r['pad_counts'] = true; } if ( isset( $r['show_date'] ) ) { $r['include_last_update_time'] = $r['show_date']; } extract( $r ); $categories = get_categories($r); $output = ''; if ( $title_li && 'list' == $style ) $output = '<li class="categories">' . $r['title_li'] . '<ul>'; if ( empty($categories) ) { if ( 'list' == $style ) $output .= '<li>' . __("No categories") . '</li>'; else $output .= __("No categories"); } else { global $wp_query; if( !empty($show_option_all) ) if ('list' == $style ) $output .= '<li><a href="' . get_bloginfo('url') . '">' . $show_option_all . '</a></li>'; else $output .= '<a href="' . get_bloginfo('url') . '">' . $show_option_all . '</a>'; if ( is_category() ) $r['current_category'] = $wp_query->get_queried_object_id(); if ( $hierarchical ) $depth = $r['depth']; else $depth = -1; // Flat. $output .= walk_category_tree($categories, $depth, $r); } if ( $title_li && 'list' == $style ) $output .= '</ul></li>'; $output = apply_filters('wp_list_categories', $output); if ( $echo ) echo $output; else return $output; } function wp_tag_cloud( $args = '' ) { $defaults = array( 'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45, 'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC', 'exclude' => '', 'include' => '' ); $args = wp_parse_args( $args, $defaults ); $tags = get_tags( array_merge($args, array('orderby' => 'count', 'order' => 'DESC')) ); // Always query top tags if ( empty($tags) ) return; $return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args if ( is_wp_error( $return ) ) return false; $return = apply_filters( 'wp_tag_cloud', $return, $args ); if ( 'array' == $args['format'] ) return $return; echo $return; } // $tags = prefetched tag array ( get_tags() ) // $args['format'] = 'flat' => whitespace separated, 'list' => UL, 'array' => array() // $args['orderby'] = 'name', 'count' function wp_generate_tag_cloud( $tags, $args = '' ) { global $wp_rewrite; $defaults = array( 'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45, 'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC' ); $args = wp_parse_args( $args, $defaults ); extract($args); if ( !$tags ) return; $counts = $tag_links = array(); foreach ( (array) $tags as $tag ) { $counts[$tag->name] = $tag->count; $tag_links[$tag->name] = get_tag_link( $tag->term_id ); if ( is_wp_error( $tag_links[$tag->name] ) ) return $tag_links[$tag->name]; $tag_ids[$tag->name] = $tag->term_id; } $min_count = min($counts); $spread = max($counts) - $min_count; if ( $spread <= 0 ) $spread = 1; $font_spread = $largest - $smallest; if ( $font_spread <= 0 ) $font_spread = 1; $font_step = $font_spread / $spread; // SQL cannot save you; this is a second (potentially different) sort on a subset of data. if ( 'name' == $orderby ) uksort($counts, 'strnatcasecmp'); else asort($counts); if ( 'DESC' == $order ) $counts = array_reverse( $counts, true ); elseif ( 'RAND' == $order ) { $keys = array_rand( $counts, count($counts) ); foreach ( $keys as $key ) $temp[$key] = $counts[$key]; $counts = $temp; unset($temp); } $a = array(); $rel = ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) ? ' rel="tag"' : ''; foreach ( $counts as $tag => $count ) { $tag_id = $tag_ids[$tag]; $tag_link = clean_url($tag_links[$tag]); $tag = str_replace(' ', ' ', 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>"; } switch ( $format ) : case 'array' : $return =& $a; break; case 'list' : $return = "<ul class='wp-tag-cloud'>\n\t<li>"; $return .= join("</li>\n\t<li>", $a); $return .= "</li>\n</ul>\n"; break; default : $return = join("\n", $a); break; endswitch; return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); } // // Helper functions // function walk_category_tree() { $walker = new Walker_Category; $args = func_get_args(); return call_user_func_array(array(&$walker, 'walk'), $args); } function walk_category_dropdown_tree() { $walker = new Walker_CategoryDropdown; $args = func_get_args(); return call_user_func_array(array(&$walker, 'walk'), $args); } // // Tags // function get_tag_link( $tag_id ) { global $wp_rewrite; $taglink = $wp_rewrite->get_tag_permastruct(); $tag = &get_term($tag_id, 'post_tag'); if ( is_wp_error( $tag ) ) return $tag; $slug = $tag->slug; if ( empty($taglink) ) { $file = get_option('home') . '/'; $taglink = $file . '?tag=' . $slug; } else { $taglink = str_replace('%tag%', $slug, $taglink); $taglink = get_option('home') . user_trailingslashit($taglink, 'category'); } return apply_filters('tag_link', $taglink, $tag_id); } function get_the_tags( $id = 0 ) { return apply_filters( 'get_the_tags', get_the_terms($id, 'post_tag') ); } function get_the_tag_list( $before = '', $sep = '', $after = '' ) { return apply_filters( 'the_tags', get_the_term_list(0, 'post_tag', $before, $sep, $after) ); } function the_tags( $before = 'Tags: ', $sep = ', ', $after = '' ) { return the_terms( 0, 'post_tag', $before, $sep, $after ); } function get_the_terms( $id = 0, $taxonomy ) { global $post; $id = (int) $id; if ( ! $id && ! in_the_loop() ) return false; // in-the-loop function if ( !$id ) $id = (int) $post->ID; $terms = get_object_term_cache($id, $taxonomy); if ( false === $terms ) $terms = wp_get_object_terms($id, $taxonomy); if ( empty( $terms ) ) return false; return $terms; } 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[] = '<a href="' . $link . '" rel="tag">' . $term->name . '</a>'; } $term_links = apply_filters( "term_links-$taxonomy", $term_links ); return $before . join($sep, $term_links) . $after; } function the_terms( $id, $taxonomy, $before = '', $sep = '', $after = '' ) { $return = get_the_term_list($id, $taxonomy, $before, $sep, $after); if ( is_wp_error( $return ) ) return false; else echo $return; } ?>