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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 |
---|---|
2267 |
|
2268 | // Ensure that the filtered args contain all required default values. |
2269 | $args = array_merge( $defaults, $args ); |
2270 |
|
2271 | /** |
2272 | * Fires before the comment form. |
2273 | * |
2274 | * @since 3.0.0 |
2275 | */ |
2276 | do_action( 'comment_form_before' ); |
2277 | ?> |
2278 | <div id="respond" class="comment-respond"> |
2279 | <?php |
2280 | echo $args['title_reply_before']; |
2281 |
|
2282 | comment_form_title( $args['title_reply'], $args['title_reply_to'] ); |
2283 |
|
2284 | echo $args['cancel_reply_before']; |
2285 |
|