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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 |
---|---|
2264 | * Filter a comment form field for display. |
2265 | * |
2266 | * The dynamic portion of the filter hook, `$name`, refers to the name |
2267 | * of the comment form field. Such as 'author', 'email', or 'url'. |
2268 | * |
2269 | * @since 3.0.0 |
2270 | * |
2271 | * @param string $field The HTML-formatted output of the comment form field. |
2272 | */ |
2273 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
2274 |
|
2275 | if ( $last_field === $name ) { |
2276 | /** |
2277 | * Fires after the comment fields in the comment form, excluding the textarea. |
2278 | * |
2279 | * @since 3.0.0 |
2280 | */ |
2281 | do_action( 'comment_form_after_fields' ); |
2282 | } |