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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
825 |
|
826 | /** |
827 | * Filter how the items in a tag cloud are sorted. |
828 | * |
829 | * @since 2.8.0 |
830 | * |
831 | * @param array $tags Ordered array of terms. |
832 | * @param array $args An array of tag cloud arguments. |
833 | */ |
834 | $tags_sorted = apply_filters( 'tag_cloud_sort', $tags, $args ); |
835 | if ( empty( $tags_sorted ) ) { |
836 | return $return; |
837 | } |
838 |
|
839 | if ( $tags_sorted !== $tags ) { |
840 | $tags = $tags_sorted; |
841 | unset( $tags_sorted ); |
842 | } else { |
843 | if ( 'RAND' === $args['order'] ) { |