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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 |
---|---|
2392 | echo apply_filters( 'comment_form_submit_field', $submit_field, $args ); |
2393 |
|
2394 | /** |
2395 | * Fires at the bottom of the comment form, inside the closing </form> tag. |
2396 | * |
2397 | * @since 1.5.0 |
2398 | * |
2399 | * @param int $post_id The post ID. |
2400 | */ |
2401 | do_action( 'comment_form', $post_id ); |
2402 | ?> |
2403 | </form> |
2404 | <?php endif; ?> |
2405 | </div><!-- #respond --> |
2406 | <?php |
2407 | /** |
2408 | * Fires after the comment form. |
2409 | * |
2410 | * @since 3.0.0 |