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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 |
|---|---|
| 2883 | * @global object $comment Current comment. |
| 2884 | * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed. |
| 2885 | */ |
| 2886 | function the_comment() { |
| 2887 | global $comment; |
| 2888 | |
| 2889 | $comment = $this->next_comment(); |
| 2890 | |
| 2891 | if ( $this->current_comment == 0 ) { |
| 2892 | do_action('comment_loop_start'); |
| 2893 | } |
| 2894 | } |
| 2895 | |
| 2896 | /** |
| 2897 | * Whether there are more comments available. |
| 2898 | * |
| 2899 | * Automatically rewinds comments when finished. |
| 2900 | * |
| 2901 | * @since 2.2.0 |