name : class-walker-comment.php <?php /** * Comment API: Walker_Comment class * * @package WordPress * @subpackage Comments * @since 4.4.0 */ /** * Core walker class used to create an HTML list of comments. * * @since 2.7.0 * * @see Walker */ class Walker_Comment extends Walker { /** * What the class handles. * * @since 2.7.0 * @var string * * @see Walker::$tree_type */ public $tree_type = 'comment'; /** * Database fields to use. * * @since 2.7.0 * @var string[] * * @see Walker::$db_fields * @todo Decouple this */ public $db_fields = array( 'parent' => 'comment_parent', 'id' => 'comment_ID', ); /** * Starts the list before the elements are added. * * @since 2.7.0 * * @see Walker::start_lvl() * @global int $comment_depth * * @param string $output Used to append additional content (passed by reference). * @param int $depth Optional. Depth of the current comment. Default 0. * @param array $args Optional. Uses 'style' argument for type of HTML list. Default empty array. */ public function start_lvl( &$output, $depth = 0, $args = array() ) { $GLOBALS['comment_depth'] = $depth + 1; switch ( $args['style'] ) { case 'div': break; case 'ol': $output .= '<ol class="children">' . "\n"; break; case 'ul': default: $output .= '<ul class="children">' . "\n"; break; } } /** * Ends the list of items after the elements are added. * * @since 2.7.0 * * @see Walker::end_lvl() * @global int $comment_depth * * @param string $output Used to append additional content (passed by reference). * @param int $depth Optional. Depth of the current comment. Default 0. * @param array $args Optional. Will only append content if style argument value is 'ol' or 'ul'. * Default empty array. */ public function end_lvl( &$output, $depth = 0, $args = array() ) { $GLOBALS['comment_depth'] = $depth + 1; switch ( $args['style'] ) { case 'div': break; case 'ol': $output .= "</ol><!-- .children -->\n"; break; case 'ul': default: $output .= "</ul><!-- .children -->\n"; break; } } /** * Traverses elements to create list from elements. * * This function is designed to enhance Walker::display_element() to * display children of higher nesting levels than selected inline on * the highest depth level displayed. This prevents them being orphaned * at the end of the comment list. * * Example: max_depth = 2, with 5 levels of nested content. * 1 * 1.1 * 1.1.1 * 1.1.1.1 * 1.1.1.1.1 * 1.1.2 * 1.1.2.1 * 2 * 2.2 * * @since 2.7.0 * * @see Walker::display_element() * @see wp_list_comments() * * @param WP_Comment $element Comment data object. * @param array $children_elements List of elements to continue traversing. Passed by reference. * @param int $max_depth Max depth to traverse. * @param int $depth Depth of the current element. * @param array $args An array of arguments. * @param string $output Used to append additional content. Passed by reference. */ public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( ! $element ) { return; } $id_field = $this->db_fields['id']; $id = $element->$id_field; parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); /* * If at the max depth, and the current element still has children, loop over those * and display them at this level. This is to prevent them being orphaned to the end * of the list. */ if ( $max_depth <= $depth + 1 && isset( $children_elements[ $id ] ) ) { foreach ( $children_elements[ $id ] as $child ) { $this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output ); } unset( $children_elements[ $id ] ); } } /** * Starts the element output. * * @since 2.7.0 * @since 5.9.0 Renamed `$comment` to `$data_object` and `$id` to `$current_object_id` * to match parent class for PHP 8 named parameter support. * * @see Walker::start_el() * @see wp_list_comments() * @global int $comment_depth * @global WP_Comment $comment Global comment object. * * @param string $output Used to append additional content. Passed by reference. * @param WP_Comment $data_object Comment data object. * @param int $depth Optional. Depth of the current comment in reference to parents. Default 0. * @param array $args Optional. An array of arguments. Default empty array. * @param int $current_object_id Optional. ID of the current comment. Default 0. */ public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) { // Restores the more descriptive, specific name for use within this method. $comment = $data_object; ++$depth; $GLOBALS['comment_depth'] = $depth; $GLOBALS['comment'] = $comment; if ( ! empty( $args['callback'] ) ) { ob_start(); call_user_func( $args['callback'], $comment, $args, $depth ); $output .= ob_get_clean(); return; } if ( 'comment' === $comment->comment_type ) { add_filter( 'comment_text', array( $this, 'filter_comment_text' ), 40, 2 ); } if ( ( 'pingback' === $comment->comment_type || 'trackback' === $comment->comment_type ) && $args['short_ping'] ) { ob_start(); $this->ping( $comment, $depth, $args ); $output .= ob_get_clean(); } elseif ( 'html5' === $args['format'] ) { ob_start(); $this->html5_comment( $comment, $depth, $args ); $output .= ob_get_clean(); } else { ob_start(); $this->comment( $comment, $depth, $args ); $output .= ob_get_clean(); } if ( 'comment' === $comment->comment_type ) { remove_filter( 'comment_text', array( $this, 'filter_comment_text' ), 40 ); } } /** * Ends the element output, if needed. * * @since 2.7.0 * @since 5.9.0 Renamed `$comment` to `$data_object` to match parent class for PHP 8 named parameter support. * * @see Walker::end_el() * @see wp_list_comments() * * @param string $output Used to append additional content. Passed by reference. * @param WP_Comment $data_object Comment data object. * @param int $depth Optional. Depth of the current comment. Default 0. * @param array $args Optional. An array of arguments. Default empty array. */ public function end_el( &$output, $data_object, $depth = 0, $args = array() ) { if ( ! empty( $args['end-callback'] ) ) { ob_start(); call_user_func( $args['end-callback'], $data_object, // The current comment object. $args, $depth ); $output .= ob_get_clean(); return; } if ( 'div' === $args['style'] ) { $output .= "</div><!-- #comment-## -->\n"; } else { $output .= "</li><!-- #comment-## -->\n"; } } /** * Outputs a pingback comment. * * @since 3.6.0 * * @see wp_list_comments() * * @param WP_Comment $comment The comment object. * @param int $depth Depth of the current comment. * @param array $args An array of arguments. */ protected function ping( $comment, $depth, $args ) { $tag = ( 'div' === $args['style'] ) ? 'div' : 'li'; ?> <<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( '', $comment ); ?>> <div class="comment-body"> <?php _e( 'Pingback:' ); ?> <?php comment_author_link( $comment ); ?> <?php edit_comment_link( __( 'Edit' ), '<span class="edit-link">', '</span>' ); ?> </div> <?php } /** * Filters the comment text. * * Removes links from the pending comment's text if the commenter did not consent * to the comment cookies. * * @since 5.4.2 * * @param string $comment_text Text of the current comment. * @param WP_Comment|null $comment The comment object. Null if not found. * @return string Filtered text of the current comment. */ public function filter_comment_text( $comment_text, $comment ) { $commenter = wp_get_current_commenter(); $show_pending_links = ! empty( $commenter['comment_author'] ); if ( $comment && '0' === $comment->comment_approved && ! $show_pending_links ) { $comment_text = wp_kses( $comment_text, array() ); } return $comment_text; } /** * Outputs a single comment. * * @since 3.6.0 * * @see wp_list_comments() * * @param WP_Comment $comment Comment to display. * @param int $depth Depth of the current comment. * @param array $args An array of arguments. */ protected function comment( $comment, $depth, $args ) { if ( 'div' === $args['style'] ) { $tag = 'div'; $add_below = 'comment'; } else { $tag = 'li'; $add_below = 'div-comment'; } $commenter = wp_get_current_commenter(); $show_pending_links = isset( $commenter['comment_author'] ) && $commenter['comment_author']; if ( $commenter['comment_author_email'] ) { $moderation_note = __( 'Your comment is awaiting moderation.' ); } else { $moderation_note = __( 'Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.' ); } ?> <<?php echo $tag; ?> <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?> id="comment-<?php comment_ID(); ?>"> <?php if ( 'div' !== $args['style'] ) : ?> <div id="div-comment-<?php comment_ID(); ?>" class="comment-body"> <?php endif; ?> <div class="comment-author vcard"> <?php if ( 0 !== $args['avatar_size'] ) { echo get_avatar( $comment, $args['avatar_size'] ); } ?> <?php $comment_author = get_comment_author_link( $comment ); if ( '0' === $comment->comment_approved && ! $show_pending_links ) { $comment_author = get_comment_author( $comment ); } printf( /* translators: %s: Comment author link. */ __( '%s <span class="says">says:</span>' ), sprintf( '<cite class="fn">%s</cite>', $comment_author ) ); ?> </div> <?php if ( '0' === $comment->comment_approved ) : ?> <em class="comment-awaiting-moderation"><?php echo $moderation_note; ?></em> <br /> <?php endif; ?> <div class="comment-meta commentmetadata"> <?php printf( '<a href="%s">%s</a>', esc_url( get_comment_link( $comment, $args ) ), sprintf( /* translators: 1: Comment date, 2: Comment time. */ __( '%1$s at %2$s' ), get_comment_date( '', $comment ), get_comment_time() ) ); edit_comment_link( __( '(Edit)' ), ' &nbsp;&nbsp;', '' ); ?> </div> <?php comment_text( $comment, array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'], ) ) ); ?> <?php comment_reply_link( array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'], 'before' => '<div class="reply">', 'after' => '</div>', ) ) ); ?> <?php if ( 'div' !== $args['style'] ) : ?> </div> <?php endif; ?> <?php } /** * Outputs a comment in the HTML5 format. * * @since 3.6.0 * * @see wp_list_comments() * * @param WP_Comment $comment Comment to display. * @param int $depth Depth of the current comment. * @param array $args An array of arguments. */ protected function html5_comment( $comment, $depth, $args ) { $tag = ( 'div' === $args['style'] ) ? 'div' : 'li'; $commenter = wp_get_current_commenter(); $show_pending_links = ! empty( $commenter['comment_author'] ); if ( $commenter['comment_author_email'] ) { $moderation_note = __( 'Your comment is awaiting moderation.' ); } else { $moderation_note = __( 'Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.' ); } ?> <<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?>> <article id="div-comment-<?php comment_ID(); ?>" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <?php if ( 0 !== $args['avatar_size'] ) { echo get_avatar( $comment, $args['avatar_size'] ); } ?> <?php $comment_author = get_comment_author_link( $comment ); if ( '0' === $comment->comment_approved && ! $show_pending_links ) { $comment_author = get_comment_author( $comment ); } printf( /* translators: %s: Comment author link. */ __( '%s <span class="says">says:</span>' ), sprintf( '<b class="fn">%s</b>', $comment_author ) ); ?> </div><!-- .comment-author --> <div class="comment-metadata"> <?php printf( '<a href="%s"><time datetime="%s">%s</time></a>', esc_url( get_comment_link( $comment, $args ) ), get_comment_time( 'c' ), sprintf( /* translators: 1: Comment date, 2: Comment time. */ __( '%1$s at %2$s' ), get_comment_date( '', $comment ), get_comment_time() ) ); edit_comment_link( __( 'Edit' ), ' <span class="edit-link">', '</span>' ); ?> </div><!-- .comment-metadata --> <?php if ( '0' === $comment->comment_approved ) : ?> <em class="comment-awaiting-moderation"><?php echo $moderation_note; ?></em> <?php endif; ?> </footer><!-- .comment-meta --> <div class="comment-content"> <?php comment_text(); ?> </div><!-- .comment-content --> <?php if ( '1' === $comment->comment_approved || $show_pending_links ) { comment_reply_link( array_merge( $args, array( 'add_below' => 'div-comment', 'depth' => $depth, 'max_depth' => $args['max_depth'], 'before' => '<div class="reply">', 'after' => '</div>', ) ) ); } ?> </article><!-- .comment-body --> <?php } }