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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 |
|---|---|
| 2073 | * @param string $field The HTML-formatted output of the comment form field. |
| 2074 | */ |
| 2075 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
| 2076 | } |
| 2077 | /** |
| 2078 | * Fires after the comment fields in the comment form. |
| 2079 | * |
| 2080 | * @since 3.0.0 |
| 2081 | */ |
| 2082 | do_action( 'comment_form_after_fields' ); |
| 2083 | ?> |
| 2084 | <?php endif; ?> |
| 2085 | <?php |
| 2086 | /** |
| 2087 | * Filter the content of the comment textarea field for display. |
| 2088 | * |
| 2089 | * @since 3.0.0 |
| 2090 | * |
| 2091 | * @param string $args['comment_field'] The content of the comment textarea field. |