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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 |
|---|---|
| 2634 | */ |
| 2635 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
| 2636 | |
| 2637 | if ( $last_field === $name ) { |
| 2638 | /** |
| 2639 | * Fires after the comment fields in the comment form, excluding the textarea. |
| 2640 | * |
| 2641 | * @since 3.0.0 |
| 2642 | */ |
| 2643 | do_action( 'comment_form_after_fields' ); |
| 2644 | } |
| 2645 | } |
| 2646 | } |
| 2647 | |
| 2648 | $submit_button = sprintf( |
| 2649 | $args['submit_button'], |
| 2650 | esc_attr( $args['name_submit'] ), |
| 2651 | esc_attr( $args['id_submit'] ), |
| 2652 | esc_attr( $args['class_submit'] ), |