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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 |
|---|---|
| 1005 | * |
| 1006 | * @see wp_generate_tag_cloud() |
| 1007 | * |
| 1008 | * @param array|string $return String containing the generated HTML tag cloud output |
| 1009 | * or an array of tag links if the 'format' argument |
| 1010 | * equals 'array'. |
| 1011 | * @param WP_Term[] $tags An array of terms used in the tag cloud. |
| 1012 | * @param array $args An array of wp_generate_tag_cloud() arguments. |
| 1013 | */ |
| 1014 | return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); |
| 1015 | } else { |
| 1016 | return $return; |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | /** |
| 1021 | * Serves as a callback for comparing objects based on name. |
| 1022 | * |
| 1023 | * Used with `uasort()`. |