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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 |
---|---|
875 |
|
876 | /** |
877 | * Filters how the items in a tag cloud are sorted. |
878 | * |
879 | * @since 2.8.0 |
880 | * |
881 | * @param WP_Term[] $tags Ordered array of terms. |
882 | * @param array $args An array of tag cloud arguments. |
883 | */ |
884 | $tags_sorted = apply_filters( 'tag_cloud_sort', $tags, $args ); |
885 | if ( empty( $tags_sorted ) ) { |
886 | return $return; |
887 | } |
888 |
|
889 | if ( $tags_sorted !== $tags ) { |
890 | $tags = $tags_sorted; |
891 | unset( $tags_sorted ); |
892 | } else { |
893 | if ( 'RAND' === $args['order'] ) { |