wp_tag_cloud( array|string $args = '' )
Displays a tag cloud.
Description
Outputs a list of tags in what is called a ‘tag cloud’, where the size of each tag is determined by how many times that particular tag has been assigned to posts.
Parameters
- $args
-
(array|string) (Optional) Array or string of arguments for displaying a tag cloud. See wp_generate_tag_cloud() and get_terms() for the full lists of arguments that can be passed in
$args
.- 'number'
(int) The number of tags to display. Accepts any positive integer or zero to return all. Default 45. - 'link'
(string) Whether to display term editing links or term permalinks. Accepts 'edit' and 'view'. Default 'view'. - 'post_type'
(string) The post type. Used to highlight the proper post type menu on the linked edit page. Defaults to the first post type associated with the taxonomy. - 'echo'
(bool) Whether or not to echo the return value. Default true.
Default value: ''
- 'number'
Return
(void|string|string[]) Void if 'echo' argument is true, or on failure. Otherwise, tag cloud as a string or an array, depending on 'format' argument.
Source
File: wp-includes/category-template.php
function wp_tag_cloud( $args = '' ) { $defaults = array( 'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45, 'format' => 'flat', 'separator' => "\n", 'orderby' => 'name', 'order' => 'ASC', 'exclude' => '', 'include' => '', 'link' => 'view', 'taxonomy' => 'post_tag', 'post_type' => '', 'echo' => true, 'show_count' => 0, ); $args = wp_parse_args( $args, $defaults ); $tags = get_terms( array_merge( $args, array( 'orderby' => 'count', 'order' => 'DESC', ) ) ); // Always query top tags. if ( empty( $tags ) || is_wp_error( $tags ) ) { return; } foreach ( $tags as $key => $tag ) { if ( 'edit' === $args['link'] ) { $link = get_edit_term_link( $tag, $tag->taxonomy, $args['post_type'] ); } else { $link = get_term_link( $tag, $tag->taxonomy ); } if ( is_wp_error( $link ) ) { return; } $tags[ $key ]->link = $link; $tags[ $key ]->id = $tag->term_id; } // Here's where those top tags get sorted according to $args. $return = wp_generate_tag_cloud( $tags, $args ); /** * Filters the tag cloud output. * * @since 2.3.0 * * @param string|string[] $return Tag cloud as a string or an array, depending on 'format' argument. * @param array $args An array of tag cloud arguments. See wp_tag_cloud() * for information on accepted arguments. */ $return = apply_filters( 'wp_tag_cloud', $return, $args ); if ( 'array' === $args['format'] || empty( $args['echo'] ) ) { return $return; } echo $return; }
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Changelog
Version | Description |
---|---|
4.8.0 | Added the show_count argument. |
2.8.0 | Added the taxonomy argument. |
2.3.0 | Introduced. |
User Contributed Notes
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Cloud limited in size and ordered by count rather than name
Display a Cloud of Categories and Tags
Use the array feature of the taxonomy argument to cause a cloud of categories and tags to display.
Cloud displayed under Popular Tags title
Cloud returned as array but not displayed
The variable $tag will contain the tag cloud for use in other PHP code
Display a Category Cloud
Use the taxonomy argument to cause a cloud of categories to display.
Change Title Text of Cloud Links
Use the topic_count_text_callback argument to pass in a new callback function. The original function default_topic_count_text() is located in /wp-includes/category-template.php This example changes the title text from the default “topics” to “pictures”.