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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 |
|---|---|
| 1015 | if ( !comments_open($post->ID) ) |
| 1016 | return false; |
| 1017 | |
| 1018 | $link = ''; |
| 1019 | |
| 1020 | if ( get_option('comment_registration') && !$user_ID ) |
| 1021 | $link = '<a rel="nofollow" class="comment-reply-login" href="' . esc_url( wp_login_url( get_permalink() ) ) . '">' . $login_text . '</a>'; |
| 1022 | else |
| 1023 | $link = "<a rel='nofollow' class='comment-reply-link' href='" . esc_url( add_query_arg( 'replytocom', $comment->comment_ID ) ) . "#" . $respond_id . "' onclick='return addComment.moveForm(\"$add_below-$comment->comment_ID\", \"$comment->comment_ID\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>"; |
| 1024 | return apply_filters('comment_reply_link', $before . $link . $after, $args, $comment, $post); |
| 1025 | } |
| 1026 | |
| 1027 | /** |
| 1028 | * Displays the HTML content for reply to comment link. |
| 1029 | * |
| 1030 | * @since 2.7.0 |
| 1031 | * @see get_comment_reply_link() Echoes result |
| 1032 | * |
| 1033 | * @param array $args Optional. Override default options. |