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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 |
|---|---|
| 2649 | */ |
| 2650 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
| 2651 | |
| 2652 | if ( $last_field === $name ) { |
| 2653 | /** |
| 2654 | * Fires after the comment fields in the comment form, excluding the textarea. |
| 2655 | * |
| 2656 | * @since 3.0.0 |
| 2657 | */ |
| 2658 | do_action( 'comment_form_after_fields' ); |
| 2659 | } |
| 2660 | } |
| 2661 | } |
| 2662 | |
| 2663 | $submit_button = sprintf( |
| 2664 | $args['submit_button'], |
| 2665 | esc_attr( $args['name_submit'] ), |
| 2666 | esc_attr( $args['id_submit'] ), |
| 2667 | esc_attr( $args['class_submit'] ), |