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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 |
|---|---|
| 3484 | |
| 3485 | $comment = $this->next_comment(); |
| 3486 | |
| 3487 | if ( 0 == $this->current_comment ) { |
| 3488 | /** |
| 3489 | * Fires once the comment loop is started. |
| 3490 | * |
| 3491 | * @since 2.2.0 |
| 3492 | */ |
| 3493 | do_action( 'comment_loop_start' ); |
| 3494 | } |
| 3495 | } |
| 3496 | |
| 3497 | /** |
| 3498 | * Whether there are more comments available. |
| 3499 | * |
| 3500 | * Automatically rewinds comments when finished. |
| 3501 | * |
| 3502 | * @since 2.2.0 |