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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 |
---|---|
2724 | echo apply_filters( 'comment_form_submit_field', $submit_field, $args ); |
2725 |
|
2726 | /** |
2727 | * Fires at the bottom of the comment form, inside the closing form tag. |
2728 | * |
2729 | * @since 1.5.0 |
2730 | * |
2731 | * @param int $post_id The post ID. |
2732 | */ |
2733 | do_action( 'comment_form', $post_id ); |
2734 |
|
2735 | echo '</form>'; |
2736 |
|
2737 | endif; |
2738 | ?> |
2739 | </div><!-- #respond --> |
2740 | <?php |
2741 |
|
2742 | /** |