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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 |
|---|---|
| 803 | * |
| 804 | * @see wp_generate_tag_cloud() |
| 805 | * |
| 806 | * @param array|string $return String containing the generated HTML tag cloud output |
| 807 | * or an array of tag links if the 'format' argument |
| 808 | * equals 'array'. |
| 809 | * @param array $tags An array of terms used in the tag cloud. |
| 810 | * @param array $args An array of wp_generate_tag_cloud() arguments. |
| 811 | */ |
| 812 | return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); |
| 813 | } |
| 814 | |
| 815 | else |
| 816 | return $return; |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * Callback for comparing objects based on name |
| 821 | * |