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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 |
---|---|
2209 | * @param string $field The HTML-formatted output of the comment form field. |
2210 | */ |
2211 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
2212 | } |
2213 | /** |
2214 | * Fires after the comment fields in the comment form. |
2215 | * |
2216 | * @since 3.0.0 |
2217 | */ |
2218 | do_action( 'comment_form_after_fields' ); |
2219 | ?> |
2220 | <?php endif; ?> |
2221 | <?php |
2222 | /** |
2223 | * Filter the content of the comment textarea field for display. |
2224 | * |
2225 | * @since 3.0.0 |
2226 | * |
2227 | * @param string $args_comment_field The content of the comment textarea field. |