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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 |
|---|---|
| 2179 | * @param string $field The HTML-formatted output of the comment form field. |
| 2180 | */ |
| 2181 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
| 2182 | } |
| 2183 | /** |
| 2184 | * Fires after the comment fields in the comment form. |
| 2185 | * |
| 2186 | * @since 3.0.0 |
| 2187 | */ |
| 2188 | do_action( 'comment_form_after_fields' ); |
| 2189 | ?> |
| 2190 | <?php endif; ?> |
| 2191 | <?php |
| 2192 | /** |
| 2193 | * Filter the content of the comment textarea field for display. |
| 2194 | * |
| 2195 | * @since 3.0.0 |
| 2196 | * |
| 2197 | * @param string $args_comment_field The content of the comment textarea field. |