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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 |
---|---|
2364 | * @param string $field The HTML-formatted output of the comment form field. |
2365 | */ |
2366 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
2367 | } |
2368 | /** |
2369 | * Fires after the comment fields in the comment form. |
2370 | * |
2371 | * @since 3.0.0 |
2372 | */ |
2373 | do_action( 'comment_form_after_fields' ); |
2374 | ?> |
2375 | <?php endif; ?> |
2376 | <?php |
2377 | /** |
2378 | * Filter the content of the comment textarea field for display. |
2379 | * |
2380 | * @since 3.0.0 |
2381 | * |
2382 | * @param string $args_comment_field The content of the comment textarea field. |