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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 |
---|---|
2638 | * @global object $comment Current comment. |
2639 | * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed. |
2640 | */ |
2641 | function the_comment() { |
2642 | global $comment; |
2643 |
|
2644 | $comment = $this->next_comment(); |
2645 |
|
2646 | if ( $this->current_comment == 0 ) { |
2647 | do_action('comment_loop_start'); |
2648 | } |
2649 | } |
2650 |
|
2651 | /** |
2652 | * Whether there are more comments available. |
2653 | * |
2654 | * Automatically rewinds comments when finished. |
2655 | * |
2656 | * @since 2.2.0 |