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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 |
|---|---|
| 1632 | 'id_form' => 'commentform', |
| 1633 | 'id_submit' => 'submit', |
| 1634 | 'title_reply' => __( 'Leave a Reply' ), |
| 1635 | 'title_reply_to' => __( 'Leave a Reply to %s' ), |
| 1636 | 'cancel_reply_link' => __( 'Cancel reply' ), |
| 1637 | 'label_submit' => __( 'Post Comment' ), |
| 1638 | 'format' => 'xhtml', |
| 1639 | ); |
| 1640 | |
| 1641 | $args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) ); |
| 1642 | |
| 1643 | ?> |
| 1644 | <?php if ( comments_open( $post_id ) ) : ?> |
| 1645 | <?php do_action( 'comment_form_before' ); ?> |
| 1646 | <div id="respond" class="comment-respond"> |
| 1647 | <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> |
| 1648 | <?php if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) : ?> |
| 1649 | <?php echo $args['must_log_in']; ?> |
| 1650 | <?php do_action( 'comment_form_must_log_in_after' ); ?> |