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Clarify the return value of wp_generate_tag_cloud(). 

props SergeyBiryukov, DrewAPicture.
fixes #27487.

Built from https://develop.svn.wordpress.org/trunk@27708


git-svn-id: http://core.svn.wordpress.org/trunk@27547 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2014-03-25 12:56:14 +00:00
parent f9fd129f28
commit bc6f50d09a
1 changed files with 11 additions and 6 deletions
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17
wp-includes/category-template.php
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@ -665,7 +665,7 @@ function default_topic_count_scale( $count ) {
*
* @param array $tags List of tags.
* @param string|array $args Optional, override default arguments.
* @return string
* @return string|array Tag cloud as a string or an array, depending on 'format' argument.
*/
function wp_generate_tag_cloud( $tags, $args = '' ) {
$defaults = array(
@ -678,8 +678,11 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
$args = wp_parse_args( $args, $defaults );
extract( $args, EXTR_SKIP );
if ( empty( $tags ) )
return;
$return = ( 'array' === $format ) ? array() : '';
if ( empty( $tags ) ) {
return $return;
}
// Juggle topic count tooltips:
if ( isset( $args['topic_count_text'] ) ) {
@ -791,9 +794,11 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
*
* @see wp_generate_tag_cloud()
*
* @param string $return Generated HTML output of the tag cloud.
* @param array $tags An array of terms used in the tag cloud.
* @param array $args An array of wp_generate_tag_cloud() arguments.
* @param array|string $return String containing the generated HTML tag cloud output
* or an array of tag links if the 'format' argument
* equals 'array'.
* @param array $tags An array of terms used in the tag cloud.
* @param array $args An array of wp_generate_tag_cloud() arguments.
*/
return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args );
}