/**
* Retrieve post categories.
*
+ * This tag may be used outside The Loop by passing a post id as the parameter.
+ *
+ * Note: This function only returns results from the default "category" taxonomy.
+ * For custom taxonomies use get_the_terms().
+ *
* @since 0.71
*
* @param int $id Optional, default to current post ID. The post ID.
- * @return array
+ * @return array Array of objects, one for each category assigned to the post.
*/
function get_the_category( $id = false ) {
$categories = get_the_terms( $id, 'category' );
*
* @since 1.5.1
*
+ * @global WP_Rewrite $wp_rewrite
+ *
* @param string $separator Optional, default is empty string. Separator for between the categories.
* @param string $parents Optional. How to display the parents.
* @param int $post_id Optional. Post ID to retrieve categories.
* @since 2.1.0
*
* @param string|array $args Optional. Override default arguments.
- * @return false|null|string HTML content only if 'echo' argument is 0.
+ * @return false|string HTML content only if 'echo' argument is 0.
*/
function wp_list_categories( $args = '' ) {
$defaults = array(
}
} else {
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 = '';
+
+ // For taxonomies that belong only to custom post types, point to a valid archive.
+ $taxonomy_object = get_taxonomy( $r['taxonomy'] );
+ if ( ! in_array( 'post', $taxonomy_object->object_type ) && ! in_array( 'page', $taxonomy_object->object_type ) ) {
+ foreach ( $taxonomy_object->object_type as $object_type ) {
+ $_object_type = get_post_type_object( $object_type );
+
+ // Grab the first one.
+ if ( ! empty( $_object_type->has_archive ) ) {
+ $posts_page = get_post_type_archive_link( $object_type );
+ break;
+ }
+ }
+ }
+
+ // Fallback for the 'All' link is the front page.
+ if ( ! $posts_page ) {
+ $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' == $r['style'] ) {
$output .= "<li class='cat-item-all'><a href='$posts_page'>$show_option_all</a></li>";
* @since 2.3.0
*
* @param array|string|null $args Optional. Override default arguments.
- * @return null|false Generated tag cloud, only if no failures and 'array' is set for the 'format' argument.
+ * @return void|array Generated tag cloud, only if no failures and 'array' is set for the 'format' argument.
+ * Otherwise, this function outputs the tag cloud.
*/
function wp_tag_cloud( $args = '' ) {
$defaults = array(
else
$link = get_term_link( intval($tag->term_id), $tag->taxonomy );
if ( is_wp_error( $link ) )
- return false;
+ return;
$tags[ $key ]->link = $link;
$tags[ $key ]->id = $tag->term_id;
/**
* Default topic count scaling for tag links
*
- * @param integer $count number of posts with that tag
- * @return integer scaled count
+ * @param int $count number of posts with that tag
+ * @return int scaled count
*/
function default_topic_count_scale( $count ) {
return round(log10($count + 1) * 100);
$font_spread = 1;
$font_step = $font_spread / $spread;
- $a = array();
-
+ // Assemble the data that will be used to generate the tag cloud markup.
+ $tags_data = array();
foreach ( $tags as $key => $tag ) {
+ $tag_id = isset( $tag->id ) ? $tag->id : $key;
+
$count = $counts[ $key ];
$real_count = $real_counts[ $key ];
- $tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
- $tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
- $tag_name = $tags[ $key ]->name;
if ( $translate_nooped_plural ) {
- $title_attribute = sprintf( translate_nooped_plural( $translate_nooped_plural, $real_count ), number_format_i18n( $real_count ) );
+ $title = sprintf( translate_nooped_plural( $translate_nooped_plural, $real_count ), number_format_i18n( $real_count ) );
} else {
- $title_attribute = call_user_func( $args['topic_count_text_callback'], $real_count, $tag, $args );
+ $title = call_user_func( $args['topic_count_text_callback'], $real_count, $tag, $args );
}
- $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $title_attribute ) . "' style='font-size: " .
- str_replace( ',', '.', ( $args['smallest'] + ( ( $count - $min_count ) * $font_step ) ) )
- . $args['unit'] . ";'>$tag_name</a>";
+ $tags_data[] = array(
+ 'id' => $tag_id,
+ 'url' => '#' != $tag->link ? $tag->link : '#',
+ 'name' => $tag->name,
+ 'title' => $title,
+ 'slug' => $tag->slug,
+ 'real_count' => $real_count,
+ 'class' => 'tag-link-' . $tag_id,
+ 'font_size' => $args['smallest'] + ( $count - $min_count ) * $font_step,
+ );
+ }
+
+ /**
+ * Filter the data used to generate the tag cloud.
+ *
+ * @since 4.3.0
+ *
+ * @param array $tags_data An array of term data for term used to generate the tag cloud.
+ */
+ $tags_data = apply_filters( 'wp_generate_tag_cloud_data', $tags_data );
+
+ $a = array();
+
+ // generate the output links array
+ foreach ( $tags_data as $key => $tag_data ) {
+ $a[] = "<a href='" . esc_url( $tag_data['url'] ) . "' class='" . esc_attr( $tag_data['class'] ) . "' title='" . esc_attr( $tag_data['title'] ) . "' style='font-size: " . esc_attr( str_replace( ',', '.', $tag_data['font_size'] ) . $args['unit'] ) . ";'>" . esc_html( $tag_data['name'] ) . "</a>";
}
switch ( $args['format'] ) {
*
* @since 3.1.0
* @access private
+ * @return int
*/
function _wp_object_name_sort_cb( $a, $b ) {
return strnatcasecmp( $a->name, $b->name );
*
* @since 3.1.0
* @access private
+ * @return bool
*/
function _wp_object_count_sort_cb( $a, $b ) {
return ( $a->count > $b->count );
* @uses Walker_Category to create HTML list content.
* @since 2.1.0
* @see Walker_Category::walk() for parameters and return description.
+ * @return string
*/
function walk_category_tree() {
$args = func_get_args();
} else {
$walker = $args[2]['walker'];
}
- return call_user_func_array(array( &$walker, 'walk' ), $args );
+ return call_user_func_array( array( $walker, 'walk' ), $args );
}
/**
* @uses Walker_CategoryDropdown to create HTML dropdown content.
* @since 2.1.0
* @see Walker_CategoryDropdown::walk() for parameters and return description.
+ * @return string
*/
function walk_category_dropdown_tree() {
$args = func_get_args();
// the user's options are the third parameter
- if ( empty($args[2]['walker']) || !is_a($args[2]['walker'], 'Walker') )
+ if ( empty( $args[2]['walker'] ) || ! ( $args[2]['walker'] instanceof Walker ) ) {
$walker = new Walker_CategoryDropdown;
- else
+ } else {
$walker = $args[2]['walker'];
-
- return call_user_func_array(array( &$walker, 'walk' ), $args );
+ }
+ return call_user_func_array( array( $walker, 'walk' ), $args );
}
/**
/** This filter is documented in wp-includes/category-template.php */
$cat_name = apply_filters( 'list_cats', $category->name, $category );
- if ( ! isset( $args['value_field'] ) || ! isset( $category->{$args['value_field']} ) ) {
- $args['value_field'] = 'term_id';
+ if ( isset( $args['value_field'] ) && isset( $category->{$args['value_field']} ) ) {
+ $value_field = $args['value_field'];
+ } else {
+ $value_field = 'term_id';
}
- $output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $category->{$args['value_field']} ) . "\"";
+ $output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $category->{$value_field} ) . "\"";
- if ( $category->term_id == $args['selected'] )
+ if ( $category->{$value_field} == $args['selected'] )
$output .= ' selected="selected"';
$output .= '>';
$output .= $pad.$cat_name;
* @since 2.3.0
*
* @param int $id Post ID.
- * @return array|bool Array of tag objects on success, false on failure.
+ * @return array|false|WP_Error Array of tag objects on success, false on failure.
*/
function get_the_tags( $id = 0 ) {
* @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|bool|WP_Error A list of tags on success, false if there are no terms, WP_Error on failure.
+ * @return string|false|WP_Error A list of tags on success, false if there are no terms, WP_Error on failure.
*/
function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) {
*
* @param int|object $post Post ID or object.
* @param string $taxonomy Taxonomy name.
- * @return array|bool|WP_Error Array of term objects on success, false if there are no terms
- * or the post does not exist, WP_Error on failure.
+ * @return array|false|WP_Error Array of term objects on success, false if there are no terms
+ * or the post does not exist, WP_Error on failure.
*/
function get_the_terms( $post, $taxonomy ) {
if ( ! $post = get_post( $post ) )
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string|bool|WP_Error A list of terms on success, false if there are no terms, WP_Error on failure.
+ * @return string|false|WP_Error A list of terms on success, false if there are no terms, WP_Error on failure.
*/
function get_the_term_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
$terms = get_the_terms( $id, $taxonomy );
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return false|null False on WordPress error. Returns null when displaying.
+ * @return false|void False on WordPress error.
*/
function the_terms( $id, $taxonomy, $before = '', $sep = ', ', $after = '' ) {
$term_list = get_the_term_list( $id, $taxonomy, $before, $sep, $after );
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