* Retrieve category link URL.
*
* @since 1.0.0
- * @uses apply_filters() Calls 'category_link' filter on category link and category ID.
+ * @see get_term_link()
*
- * @param int $category_id Category ID.
- * @return string
+ * @param int|object $category Category ID or object.
+ * @return string Link on success, empty string if category does not exist.
*/
-function get_category_link( $category_id ) {
- global $wp_rewrite;
- $catlink = $wp_rewrite->get_category_permastruct();
+function get_category_link( $category ) {
+ if ( ! is_object( $category ) )
+ $category = (int) $category;
- if ( empty( $catlink ) ) {
- $catlink = home_url('?cat=' . $category_id);
- } else {
- $category = &get_category( $category_id );
- if ( is_wp_error( $category ) )
- return $category;
- $category_nicename = $category->slug;
-
- if ( $category->parent == $category_id ) // recursive recursion
- $category->parent = 0;
- elseif ($category->parent != 0 )
- $category_nicename = get_category_parents( $category->parent, false, '/', true ) . $category_nicename;
-
- $catlink = str_replace( '%category%', $category_nicename, $catlink );
- $catlink = home_url( user_trailingslashit( $catlink, 'category' ) );
- }
- return apply_filters( 'category_link', $catlink, $category_id );
+ $category = get_term_link( $category, 'category' );
+
+ if ( is_wp_error( $category ) )
+ return '';
+
+ return $category;
}
/**
if ( $nicename )
$name = $parent->slug;
else
- $name = $parent->cat_name;
+ $name = $parent->name;
if ( $parent->parent && ( $parent->parent != $parent->term_id ) && !in_array( $parent->parent, $visited ) ) {
$visited[] = $parent->parent;
}
if ( $link )
- $chain .= '<a href="' . get_category_link( $parent->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $parent->cat_name ) ) . '">'.$name.'</a>' . $separator;
+ $chain .= '<a href="' . get_category_link( $parent->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $parent->name ) ) . '">'.$name.'</a>' . $separator;
else
$chain .= $name.$separator;
return $chain;
* @return array
*/
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( $id, 'category' );
- wp_cache_add($id, $categories, 'category_relationships');
- }
-
- if ( !empty( $categories ) )
- usort( $categories, '_usort_terms_by_name' );
- else
+ $categories = get_the_terms( $id, 'category' );
+ if ( ! $categories )
$categories = array();
- foreach ( (array) array_keys( $categories ) as $key ) {
+ $categories = array_values( $categories );
+
+ foreach ( array_keys( $categories ) as $key ) {
_make_cat_compat( $categories[$key] );
}
- return $categories;
+ // Filter name is plural because we return alot of categories (possibly more than #13237) not just one
+ return apply_filters( 'get_the_categories', $categories );
}
/**
break;
case '':
default:
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->cat_name.'</a></li>';
+ $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
}
}
$thelist .= '</ul>';
case 'multiple':
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, true, $separator );
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->cat_name.'</a>';
+ $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
break;
case 'single':
$thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>';
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, false, $separator );
- $thelist .= "$category->cat_name</a>";
+ $thelist .= "$category->name</a>";
break;
case '':
default:
*
* @since 1.2.0
*
- * @uses is_object_in_term()
- *
- * @param int|string|array $category. Category ID, name or slug, or array of said.
- * @param int|post object Optional. Post to check instead of the current post. @since 2.7.0
+ * @param int|string|array $category Category ID, name or slug, or array of said.
+ * @param int|object $_post Optional. Post to check instead of the current post. (since 2.7.0)
* @return bool True if the current post is in any of the given categories.
*/
-function in_category( $category, $_post = null ) {
+function in_category( $category, $post = null ) {
if ( empty( $category ) )
return false;
- if ( $_post ) {
- $_post = get_post( $_post );
- } else {
- $_post =& $GLOBALS['post'];
- }
-
- if ( !$_post )
- return false;
-
- $r = is_object_in_term( $_post->ID, 'category', $category );
- if ( is_wp_error( $r ) )
- return false;
- return $r;
+ return has_term( $category, 'category', $post );
}
/**
$output = '';
if ( $title_li && 'list' == $style )
- $output = '<li class="' . $class . '">' . $title_li . '<ul>';
+ $output = '<li class="' . esc_attr( $class ) . '">' . $title_li . '<ul>';
if ( empty( $categories ) ) {
if ( ! empty( $show_option_none ) ) {
$output .= $show_option_none;
}
} else {
- global $wp_query;
-
- if( !empty( $show_option_all ) )
+ if ( ! empty( $show_option_all ) ) {
+ $posts_page = ( 'page' == get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) ) ? get_permalink( get_option( 'page_for_posts' ) ) : home_url( '/' );
+ $posts_page = esc_url( $posts_page );
if ( 'list' == $style )
- $output .= '<li><a href="' . get_bloginfo( 'url' ) . '">' . $show_option_all . '</a></li>';
+ $output .= "<li><a href='$posts_page'>$show_option_all</a></li>";
else
- $output .= '<a href="' . get_bloginfo( 'url' ) . '">' . $show_option_all . '</a>';
+ $output .= "<a href='$posts_page'>$show_option_all</a>";
+ }
- if ( empty( $r['current_category'] ) && ( is_category() || is_tax() ) )
- $r['current_category'] = $wp_query->get_queried_object_id();
+ if ( empty( $r['current_category'] ) && ( is_category() || is_tax() || is_tag() ) ) {
+ $current_term_object = get_queried_object();
+ if ( $r['taxonomy'] == $current_term_object->taxonomy )
+ $r['current_category'] = get_queried_object_id();
+ }
if ( $hierarchical )
$depth = $r['depth'];
$tags = get_terms( $args['taxonomy'], array_merge( $args, array( 'orderby' => 'count', 'order' => 'DESC' ) ) ); // Always query top tags
- if ( empty( $tags ) )
+ if ( empty( $tags ) || is_wp_error( $tags ) )
return;
foreach ( $tags as $key => $tag ) {
if ( 'edit' == $args['link'] )
- $link = get_edit_tag_link( $tag->term_id, $args['taxonomy'] );
+ $link = get_edit_tag_link( $tag->term_id, $tag->taxonomy );
else
- $link = get_term_link( intval($tag->term_id), $args['taxonomy'] );
+ $link = get_term_link( intval($tag->term_id), $tag->taxonomy );
if ( is_wp_error( $link ) )
return false;
} else {
// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
if ( 'name' == $orderby )
- uasort( $tags, create_function('$a, $b', 'return strnatcasecmp($a->name, $b->name);') );
+ uasort( $tags, '_wp_object_name_sort_cb' );
else
- uasort( $tags, create_function('$a, $b', 'return ($a->count > $b->count);') );
+ uasort( $tags, '_wp_object_count_sort_cb' );
if ( 'DESC' == $order )
$tags = array_reverse( $tags, true );
$tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
$tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
$tag_name = $tags[ $key ]->name;
- $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $topic_count_text_callback( $real_count ) ) . "' style='font-size: " .
+ $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( call_user_func( $topic_count_text_callback, $real_count ) ) . "' style='font-size: " .
( $smallest + ( ( $count - $min_count ) * $font_step ) )
. "$unit;'>$tag_name</a>";
}
break;
endswitch;
- if ( $filter )
+ if ( $filter )
return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args );
- else
+ else
return $return;
}
+/**
+ * Callback for comparing objects based on name
+ *
+ * @since 3.1.0
+ * @access private
+ */
+function _wp_object_name_sort_cb( $a, $b ) {
+ return strnatcasecmp( $a->name, $b->name );
+}
+
+/**
+ * Callback for comparing objects based on count
+ *
+ * @since 3.1.0
+ * @access private
+ */
+function _wp_object_count_sort_cb( $a, $b ) {
+ return ( $a->count > $b->count );
+}
+
//
// Helper functions
//
return call_user_func_array(array( &$walker, 'walk' ), $args );
}
+/**
+ * Create HTML list of categories.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_Category extends Walker {
+ /**
+ * @see Walker::$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_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args Will only append content if style argument value is 'list'.
+ */
+ function start_lvl(&$output, $depth, $args) {
+ if ( 'list' != $args['style'] )
+ return;
+
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent<ul class='children'>\n";
+ }
+
+ /**
+ * @see Walker::end_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args Will only append content if style argument value is 'list'.
+ */
+ function end_lvl(&$output, $depth, $args) {
+ if ( 'list' != $args['style'] )
+ return;
+
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent</ul>\n";
+ }
+
+ /**
+ * @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 in reference to parents.
+ * @param array $args
+ */
+ function start_el(&$output, $category, $depth, $args) {
+ extract($args);
+
+ $cat_name = esc_attr( $category->name );
+ $cat_name = apply_filters( 'list_cats', $cat_name, $category );
+ $link = '<a href="' . esc_attr( get_term_link($category) ) . '" ';
+ if ( $use_desc_for_title == 0 || empty($category->description) )
+ $link .= 'title="' . esc_attr( sprintf(__( 'View all posts filed under %s' ), $cat_name) ) . '"';
+ else
+ $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"';
+ $link .= '>';
+ $link .= $cat_name . '</a>';
+
+ if ( !empty($feed_image) || !empty($feed) ) {
+ $link .= ' ';
+
+ if ( empty($feed_image) )
+ $link .= '(';
+
+ $link .= '<a href="' . get_term_feed_link( $category->term_id, $category->taxonomy, $feed_type ) . '"';
+
+ if ( empty($feed) ) {
+ $alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
+ } else {
+ $title = ' title="' . $feed . '"';
+ $alt = ' alt="' . $feed . '"';
+ $name = $feed;
+ $link .= $title;
+ }
+
+ $link .= '>';
+
+ if ( empty($feed_image) )
+ $link .= $name;
+ else
+ $link .= "<img src='$feed_image'$alt$title" . ' />';
+
+ $link .= '</a>';
+
+ if ( empty($feed_image) )
+ $link .= ')';
+ }
+
+ if ( !empty($show_count) )
+ $link .= ' (' . intval($category->count) . ')';
+
+ if ( !empty($show_date) )
+ $link .= ' ' . gmdate('Y-m-d', $category->last_update_timestamp);
+
+ if ( 'list' == $args['style'] ) {
+ $output .= "\t<li";
+ $class = 'cat-item cat-item-' . $category->term_id;
+ if ( !empty($current_category) ) {
+ $_current_category = get_term( $current_category, $category->taxonomy );
+ if ( $category->term_id == $current_category )
+ $class .= ' current-cat';
+ elseif ( $category->term_id == $_current_category->parent )
+ $class .= ' current-cat-parent';
+ }
+ $output .= ' class="' . $class . '"';
+ $output .= ">$link\n";
+ } else {
+ $output .= "\t$link<br />\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;
+
+ $output .= "</li>\n";
+ }
+
+}
+
+/**
+ * Create HTML dropdown list of Categories.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_CategoryDropdown extends Walker {
+ /**
+ * @see Walker::$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);
+ $output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\"";
+ if ( $category->term_id == $args['selected'] )
+ $output .= ' selected="selected"';
+ $output .= '>';
+ $output .= $pad.$cat_name;
+ if ( $args['show_count'] )
+ $output .= ' ('. $category->count .')';
+ if ( $args['show_last_update'] ) {
+ $format = 'Y-m-d';
+ $output .= ' ' . gmdate($format, $category->last_update_timestamp);
+ }
+ $output .= "</option>\n";
+ }
+}
+
//
// Tags
//
* Retrieve the link to the tag.
*
* @since 2.3.0
- * @uses apply_filters() Calls 'tag_link' with tag link and tag ID as parameters.
+ * @see get_term_link()
*
- * @param int $tag_id Tag (term) ID.
- * @return string
+ * @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_id ) {
- global $wp_rewrite;
- $taglink = $wp_rewrite->get_tag_permastruct();
+function get_tag_link( $tag ) {
+ if ( ! is_object( $tag ) )
+ $tag = (int) $tag;
+
+ $tag = get_term_link( $tag, 'post_tag' );
- $tag = &get_term( $tag_id, 'post_tag' );
if ( is_wp_error( $tag ) )
- return $tag;
- $slug = $tag->slug;
+ return '';
- 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 );
+ return $tag;
}
/**
*/
function term_description( $term = 0, $taxonomy = 'post_tag' ) {
if ( !$term && ( is_tax() || is_tag() || is_category() ) ) {
- global $wp_query;
- $term = $wp_query->get_queried_object();
+ $term = get_queried_object();
$taxonomy = $term->taxonomy;
$term = $term->term_id;
}
/**
* Retrieve the terms of the taxonomy that are attached to the post.
*
- * This function can only be used within the loop.
- *
* @since 2.5.0
*
* @param int $id Post ID. Is not optional.
}
$terms = get_object_term_cache( $id, $taxonomy );
- if ( false === $terms )
+ 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;
*
* @since 2.5.0
*
- * @param int $id Term ID.
+ * @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, $taxonomy, $before = '', $sep = ', ', $after = '' ) {
+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 ) )
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.
*
*
* @since 2.6.0
*
- * @uses is_object_in_term()
- *
* @param string|int|array $tag Optional. The tag name/term_id/slug or array of them to check for.
- * @param int|post object Optional. Post to check instead of the current post. @since 2.7.0
- * @return bool True if the current post has any of the the given tags (or any tag, if no tag specified).
+ * @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 ) {
- if ( $_post ) {
- $_post = get_post( $_post );
- } else {
- $_post =& $GLOBALS['post'];
- }
+function has_tag( $tag = '', $post = null ) {
+ return has_term( $tag, 'post_tag', $post );
+}
- if ( !$_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, 'post_tag', $tag );
+ $r = is_object_in_term( $post->ID, $taxonomy, $term );
if ( is_wp_error( $r ) )
return false;
+
return $r;
}
-?>
\ No newline at end of file
+?>