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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 |
---|---|
2285 | $args = array_merge( $defaults, $args ); |
2286 |
|
2287 | if ( comments_open( $post_id ) ) : ?> |
2288 | <?php |
2289 | /** |
2290 | * Fires before the comment form. |
2291 | * |
2292 | * @since 3.0.0 |
2293 | */ |
2294 | do_action( 'comment_form_before' ); |
2295 | ?> |
2296 | <div id="respond" class="comment-respond"> |
2297 | <h3 id="reply-title" class="comment-reply-title"><?php comment_form_title( $args['title_reply'], $args['title_reply_to'] ); ?> <small><?php cancel_comment_reply_link( $args['cancel_reply_link'] ); ?></small></h3> |
2298 | <?php if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) : ?> |
2299 | <?php echo $args['must_log_in']; ?> |
2300 | <?php |
2301 | /** |
2302 | * Fires after the HTML-formatted 'must log in after' message in the comment form. |
2303 | * |