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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 |
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2644 |
|
2645 | } elseif ( ! is_user_logged_in() ) { |
2646 |
|
2647 | if ( $first_field === $name ) { |
2648 | /** |
2649 | * Fires before the comment fields in the comment form, excluding the textarea. |
2650 | * |
2651 | * @since 3.0.0 |
2652 | */ |
2653 | do_action( 'comment_form_before_fields' ); |
2654 | } |
2655 |
|
2656 | /** |
2657 | * Filters a comment form field for display. |
2658 | * |
2659 | * The dynamic portion of the hook name, `$name`, refers to the name |
2660 | * of the comment form field. |
2661 | * |
2662 | * Possible hook names include: |