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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 |
---|---|
2266 |
|
2267 | // Ensure that the filtered args contain all required default values. |
2268 | $args = array_merge( $defaults, $args ); |
2269 |
|
2270 | /** |
2271 | * Fires before the comment form. |
2272 | * |
2273 | * @since 3.0.0 |
2274 | */ |
2275 | do_action( 'comment_form_before' ); |
2276 | ?> |
2277 | <div id="respond" class="comment-respond"> |
2278 | <?php |
2279 | echo $args['title_reply_before']; |
2280 |
|
2281 | comment_form_title( $args['title_reply'], $args['title_reply_to'] ); |
2282 |
|
2283 | echo $args['cancel_reply_before']; |
2284 |
|