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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 |
---|---|
810 | * |
811 | * @see wp_generate_tag_cloud() |
812 | * |
813 | * @param array|string $return String containing the generated HTML tag cloud output |
814 | * or an array of tag links if the 'format' argument |
815 | * equals 'array'. |
816 | * @param array $tags An array of terms used in the tag cloud. |
817 | * @param array $args An array of wp_generate_tag_cloud() arguments. |
818 | */ |
819 | return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); |
820 | } |
821 |
|
822 | else |
823 | return $return; |
824 | } |
825 |
|
826 | /** |
827 | * Callback for comparing objects based on name |
828 | * |