* @param string $separator Optional, default is '/'. How to separate categories.
* @param bool $nicename Optional, default is false. Whether to use nice name for display.
* @param array $visited Optional. Already linked to categories to prevent duplicates.
- * @return string
+ * @return string|WP_Error A list of category parents on success, WP_Error on failure.
*/
function get_category_parents( $id, $link = false, $separator = '/', $nicename = false, $visited = array() ) {
$chain = '';
- $parent = &get_category( $id );
+ $parent = get_term( $id, 'category' );
if ( is_wp_error( $parent ) )
return $parent;
*/
function get_the_category( $id = false ) {
$categories = get_the_terms( $id, 'category' );
- if ( ! $categories )
+ if ( ! $categories || is_wp_error( $categories ) )
$categories = array();
$categories = array_values( $categories );
* @since 0.71
*
* @param int $cat_ID Category ID.
- * @return string Category name.
+ * @return string|WP_Error Category name on success, WP_Error on failure.
*/
function get_the_category_by_ID( $cat_ID ) {
$cat_ID = (int) $cat_ID;
- $category = &get_category( $cat_ID );
+ $category = get_term( $cat_ID, 'category' );
if ( is_wp_error( $category ) )
return $category;
return $category->name;
* As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
*
* @since 1.2.0
+ * @uses has_category()
*
* @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)
if ( empty( $category ) )
return false;
- return has_term( $category, 'category', $post );
+ return has_category( $category, $post );
}
/**
if ( empty( $categories ) ) {
if ( ! empty( $show_option_none ) ) {
if ( 'list' == $style )
- $output .= '<li>' . $show_option_none . '</li>';
+ $output .= '<li class="cat-item-none">' . $show_option_none . '</li>';
else
$output .= $show_option_none;
}
$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 )
- $output .= "<li><a href='$posts_page'>$show_option_all</a></li>";
+ $output .= "<li class='cat-item-all'><a href='$posts_page'>$show_option_all</a></li>";
else
$output .= "<a href='$posts_page'>$show_option_all</a>";
}
if ( empty( $r['current_category'] ) && ( is_category() || is_tax() || is_tag() ) ) {
$current_term_object = get_queried_object();
- if ( $r['taxonomy'] == $current_term_object->taxonomy )
+ if ( $current_term_object && $r['taxonomy'] === $current_term_object->taxonomy )
$r['current_category'] = get_queried_object_id();
}
$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( call_user_func( $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, $tag, $args ) ) . "' style='font-size: " .
str_replace( ',', '.', ( $smallest + ( ( $count - $min_count ) * $font_step ) ) )
. "$unit;'>$tag_name</a>";
}
*/
class Walker_Category extends Walker {
/**
+ * What the class handles.
+ *
* @see Walker::$tree_type
* @since 2.1.0
* @var string
var $tree_type = 'category';
/**
+ * Database fields to use.
+ *
* @see Walker::$db_fields
* @since 2.1.0
* @todo Decouple this
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
/**
+ * Starts the list before the elements are added.
+ *
* @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'.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. Will only append content if style argument value is 'list'.
+ * @see wp_list_categories()
*/
function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
}
/**
+ * Ends the list of after the elements are added.
+ *
* @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'.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. Will only append content if style argument value is 'list'.
+ * @wsee wp_list_categories()
*/
function end_lvl( &$output, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
}
/**
+ * Start the element output.
+ *
* @see Walker::start_el()
+ *
* @since 2.1.0
*
- * @param string $output Passed by reference. Used to append additional content.
+ * @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
+ * @param int $depth Depth of category in reference to parents. Default 0.
+ * @param array $args An array of arguments. @see wp_list_categories()
+ * @param int $id ID of the current category.
*/
function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
extract($args);
}
/**
+ * Ends the element output, if needed.
+ *
* @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.
+ * @param object $page Not used.
+ * @param int $depth Depth of category. Not used.
+ * @param array $args An array of arguments. Only uses 'list' for whether should append to output. @see wp_list_categories()
*/
function end_el( &$output, $page, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
/**
+ * Start the element output.
+ *
* @see Walker::start_el()
* @since 2.1.0
*
- * @param string $output Passed by reference. Used to append additional content.
+ * @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' and 'show_count' keys, if they exist.
+ * @param int $depth Depth of category. Used for padding.
+ * @param array $args Uses 'selected' and 'show_count' keys, if they exist. @see wp_dropdown_categories()
*/
- function start_el( &$output, $category, $depth, $args, $id = 0 ) {
+ function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat(' ', $depth * 3);
$cat_name = apply_filters('list_cats', $category->name, $category);
* @uses apply_filters() Calls 'get_the_tags' filter on the list of post tags.
*
* @param int $id Post ID.
- * @return array
+ * @return array|bool Array of tag objects on success, false on failure.
*/
function get_the_tags( $id = 0 ) {
return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) );
* @param string $sep Optional. Between tags.
* @param string $after Optional. After tags.
* @param int $id Optional. Post ID. Defaults to the current post.
- * @return string
+ * @return string|bool|WP_Error A list of tags on success, false or WP_Error on failure.
*/
function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) {
return apply_filters( 'the_tags', get_the_term_list( $id, 'post_tag', $before, $sep, $after ), $before, $sep, $after, $id );
* @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 )
* @return string Term description, available.
*/
function term_description( $term = 0, $taxonomy = 'post_tag' ) {
- if ( !$term && ( is_tax() || is_tag() || is_category() ) ) {
+ if ( ! $term && ( is_tax() || is_tag() || is_category() ) ) {
$term = get_queried_object();
- $taxonomy = $term->taxonomy;
- $term = $term->term_id;
+ if ( $term ) {
+ $taxonomy = $term->taxonomy;
+ $term = $term->term_id;
+ }
}
$description = get_term_field( 'description', $term, $taxonomy );
return is_wp_error( $description ) ? '' : $description;
*
* @since 2.5.0
*
- * @param int $id Post ID.
+ * @param int|object $post Post ID or object.
* @param string $taxonomy Taxonomy name.
- * @return array|bool False on failure. Array of term objects on success.
+ * @return array|bool|WP_Error Array of term objects on success, false or WP_Error on failure.
*/
-function get_the_terms( $id, $taxonomy ) {
- global $post;
-
- $id = (int) $id;
-
- if ( !$id ) {
- if ( empty( $post->ID ) )
- return false;
- else
- $id = (int) $post->ID;
- }
+function get_the_terms( $post, $taxonomy ) {
+ if ( ! $post = get_post( $post ) )
+ return false;
- $terms = get_object_term_cache( $id, $taxonomy );
+ $terms = get_object_term_cache( $post->ID, $taxonomy );
if ( false === $terms ) {
- $terms = wp_get_object_terms( $id, $taxonomy );
- wp_cache_add($id, $terms, $taxonomy . '_relationships');
+ $terms = wp_get_object_terms( $post->ID, $taxonomy );
+ wp_cache_add($post->ID, $terms, $taxonomy . '_relationships');
}
- $terms = apply_filters( 'get_the_terms', $terms, $id, $taxonomy );
+ $terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy );
if ( empty( $terms ) )
return false;
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string
+ * @return string|bool|WP_Error A list of terms on success, false or WP_Error on failure.
*/
function get_the_term_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
$terms = get_the_terms( $id, $taxonomy );