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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 |
---|---|
2444 | * @global object $comment Current comment. |
2445 | * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed. |
2446 | */ |
2447 | function the_comment() { |
2448 | global $comment; |
2449 |
|
2450 | $comment = $this->next_comment(); |
2451 |
|
2452 | if ($this->current_comment == 0) { |
2453 | do_action('comment_loop_start'); |
2454 | } |
2455 | } |
2456 |
|
2457 | /** |
2458 | * Whether there are more comments available. |
2459 | * |
2460 | * Automatically rewinds comments when finished. |
2461 | * |
2462 | * @since 2.2.0 |