name : bookmark-template.php <?php /** * Bookmark Template Functions for usage in Themes. * * @package WordPress * @subpackage Template */ /** * The formatted output of a list of bookmarks. * * The $bookmarks array must contain bookmark objects and will be iterated over * to retrieve the bookmark to be used in the output. * * The output is formatted as HTML with no way to change that format. However, * what is between, before, and after can be changed. The link itself will be * HTML. * * This function is used internally by wp_list_bookmarks() and should not be * used by themes. * * @since 2.1.0 * @access private * * @param array $bookmarks List of bookmarks to traverse. * @param string|array $args { * Optional. Bookmarks arguments. * * @type int|bool $show_updated Whether to show the time the bookmark was last updated. * Accepts 1|true or 0|false. Default 0|false. * @type int|bool $show_description Whether to show the bookmark description. Accepts 1|true, * Accepts 1|true or 0|false. Default 0|false. * @type int|bool $show_images Whether to show the link image if available. Accepts 1|true * or 0|false. Default 1|true. * @type int|bool $show_name Whether to show link name if available. Accepts 1|true or * 0|false. Default 0|false. * @type string $before The HTML or text to prepend to each bookmark. Default `<li>`. * @type string $after The HTML or text to append to each bookmark. Default `</li>`. * @type string $link_before The HTML or text to prepend to each bookmark inside the anchor * tags. Default empty. * @type string $link_after The HTML or text to append to each bookmark inside the anchor * tags. Default empty. * @type string $between The string for use in between the link, description, and image. * Default "\n". * @type int|bool $show_rating Whether to show the link rating. Accepts 1|true or 0|false. * Default 0|false. * * } * @return string Formatted output in HTML */ function _walk_bookmarks( $bookmarks, $args = '' ) { $defaults = array( 'show_updated' => 0, 'show_description' => 0, 'show_images' => 1, 'show_name' => 0, 'before' => '<li>', 'after' => '</li>', 'between' => "\n", 'show_rating' => 0, 'link_before' => '', 'link_after' => '', ); $parsed_args = wp_parse_args( $args, $defaults ); $output = ''; // Blank string to start with. foreach ( (array) $bookmarks as $bookmark ) { if ( ! isset( $bookmark->recently_updated ) ) { $bookmark->recently_updated = false; } $output .= $parsed_args['before']; if ( $parsed_args['show_updated'] && $bookmark->recently_updated ) { $output .= '<em>'; } $the_link = '#'; if ( ! empty( $bookmark->link_url ) ) { $the_link = esc_url( $bookmark->link_url ); } $desc = esc_attr( sanitize_bookmark_field( 'link_description', $bookmark->link_description, $bookmark->link_id, 'display' ) ); $name = esc_attr( sanitize_bookmark_field( 'link_name', $bookmark->link_name, $bookmark->link_id, 'display' ) ); $title = $desc; if ( $parsed_args['show_updated'] ) { if ( ! str_starts_with( $bookmark->link_updated_f, '00' ) ) { $title .= ' ('; $title .= sprintf( /* translators: %s: Date and time of last update. */ __( 'Last updated: %s' ), gmdate( get_option( 'links_updated_date_format' ), $bookmark->link_updated_f + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) ); $title .= ')'; } } $alt = ' alt="' . $name . ( $parsed_args['show_description'] ? ' ' . $title : '' ) . '"'; if ( '' !== $title ) { $title = ' title="' . $title . '"'; } $rel = $bookmark->link_rel; $target = $bookmark->link_target; if ( '' !== $target ) { if ( is_string( $rel ) && '' !== $rel ) { if ( ! str_contains( $rel, 'noopener' ) ) { $rel = trim( $rel ) . ' noopener'; } } else { $rel = 'noopener'; } $target = ' target="' . $target . '"'; } if ( '' !== $rel ) { $rel = ' rel="' . esc_attr( $rel ) . '"'; } $output .= '<a href="' . $the_link . '"' . $rel . $title . $target . '>'; $output .= $parsed_args['link_before']; if ( '' !== $bookmark->link_image && $parsed_args['show_images'] ) { if ( str_starts_with( $bookmark->link_image, 'http' ) ) { $output .= '<img src="' . $bookmark->link_image . '"' . $alt . $title . ' />'; } else { // If it's a relative path. $output .= '<img src="' . get_option( 'siteurl' ) . $bookmark->link_image . '"' . $alt . $title . ' />'; } if ( $parsed_args['show_name'] ) { $output .= " $name"; } } else { $output .= $name; } $output .= $parsed_args['link_after']; $output .= '</a>'; if ( $parsed_args['show_updated'] && $bookmark->recently_updated ) { $output .= '</em>'; } if ( $parsed_args['show_description'] && '' !== $desc ) { $output .= $parsed_args['between'] . $desc; } if ( $parsed_args['show_rating'] ) { $output .= $parsed_args['between'] . sanitize_bookmark_field( 'link_rating', $bookmark->link_rating, $bookmark->link_id, 'display' ); } $output .= $parsed_args['after'] . "\n"; } // End while. return $output; } /** * Retrieves or echoes all of the bookmarks. * * List of default arguments are as follows: * * These options define how the Category name will appear before the category * links are displayed, if 'categorize' is 1. If 'categorize' is 0, then it will * display for only the 'title_li' string and only if 'title_li' is not empty. * * @since 2.1.0 * * @see _walk_bookmarks() * * @param string|array $args { * Optional. String or array of arguments to list bookmarks. * * @type string $orderby How to order the links by. Accepts post fields. Default 'name'. * @type string $order Whether to order bookmarks in ascending or descending order. * Accepts 'ASC' (ascending) or 'DESC' (descending). Default 'ASC'. * @type int $limit Amount of bookmarks to display. Accepts 1+ or -1 for all. * Default -1. * @type string $category Comma-separated list of category IDs to include links from. * Default empty. * @type string $category_name Category to retrieve links for by name. Default empty. * @type int|bool $hide_invisible Whether to show or hide links marked as 'invisible'. Accepts * 1|true or 0|false. Default 1|true. * @type int|bool $show_updated Whether to display the time the bookmark was last updated. * Accepts 1|true or 0|false. Default 0|false. * @type int|bool $echo Whether to echo or return the formatted bookmarks. Accepts * 1|true (echo) or 0|false (return). Default 1|true. * @type int|bool $categorize Whether to show links listed by category or in a single column. * Accepts 1|true (by category) or 0|false (one column). Default 1|true. * @type int|bool $show_description Whether to show the bookmark descriptions. Accepts 1|true or 0|false. * Default 0|false. * @type string $title_li What to show before the links appear. Default 'Bookmarks'. * @type string $title_before The HTML or text to prepend to the $title_li string. Default '<h2>'. * @type string $title_after The HTML or text to append to the $title_li string. Default '</h2>'. * @type string|array $class The CSS class or an array of classes to use for the $title_li. * Default 'linkcat'. * @type string $category_before The HTML or text to prepend to $title_before if $categorize is true. * String must contain '%id' and '%class' to inherit the category ID and * the $class argument used for formatting in themes. * Default '<li id="%id" class="%class">'. * @type string $category_after The HTML or text to append to $title_after if $categorize is true. * Default '</li>'. * @type string $category_orderby How to order the bookmark category based on term scheme if $categorize * is true. Default 'name'. * @type string $category_order Whether to order categories in ascending or descending order if * $categorize is true. Accepts 'ASC' (ascending) or 'DESC' (descending). * Default 'ASC'. * } * @return void|string Void if 'echo' argument is true, HTML list of bookmarks if 'echo' is false. */ function wp_list_bookmarks( $args = '' ) { $defaults = array( 'orderby' => 'name', 'order' => 'ASC', 'limit' => -1, 'category' => '', 'exclude_category' => '', 'category_name' => '', 'hide_invisible' => 1, 'show_updated' => 0, 'echo' => 1, 'categorize' => 1, 'title_li' => __( 'Bookmarks' ), 'title_before' => '<h2>', 'title_after' => '</h2>', 'category_orderby' => 'name', 'category_order' => 'ASC', 'class' => 'linkcat', 'category_before' => '<li id="%id" class="%class">', 'category_after' => '</li>', ); $parsed_args = wp_parse_args( $args, $defaults ); $output = ''; if ( ! is_array( $parsed_args['class'] ) ) { $parsed_args['class'] = explode( ' ', $parsed_args['class'] ); } $parsed_args['class'] = array_map( 'sanitize_html_class', $parsed_args['class'] ); $parsed_args['class'] = trim( implode( ' ', $parsed_args['class'] ) ); if ( $parsed_args['categorize'] ) { $cats = get_terms( array( 'taxonomy' => 'link_category', 'name__like' => $parsed_args['category_name'], 'include' => $parsed_args['category'], 'exclude' => $parsed_args['exclude_category'], 'orderby' => $parsed_args['category_orderby'], 'order' => $parsed_args['category_order'], 'hierarchical' => 0, ) ); if ( empty( $cats ) ) { $parsed_args['categorize'] = false; } } if ( $parsed_args['categorize'] ) { // Split the bookmarks into ul's for each category. foreach ( (array) $cats as $cat ) { $params = array_merge( $parsed_args, array( 'category' => $cat->term_id ) ); $bookmarks = get_bookmarks( $params ); if ( empty( $bookmarks ) ) { continue; } $output .= str_replace( array( '%id', '%class' ), array( "linkcat-$cat->term_id", $parsed_args['class'] ), $parsed_args['category_before'] ); /** * Filters the category name. * * @since 2.2.0 * * @param string $cat_name The category name. */ $catname = apply_filters( 'link_category', $cat->name ); $output .= $parsed_args['title_before']; $output .= $catname; $output .= $parsed_args['title_after']; $output .= "\n\t<ul class='xoxo blogroll'>\n"; $output .= _walk_bookmarks( $bookmarks, $parsed_args ); $output .= "\n\t</ul>\n"; $output .= $parsed_args['category_after'] . "\n"; } } else { // Output one single list using title_li for the title. $bookmarks = get_bookmarks( $parsed_args ); if ( ! empty( $bookmarks ) ) { if ( ! empty( $parsed_args['title_li'] ) ) { $output .= str_replace( array( '%id', '%class' ), array( 'linkcat-' . $parsed_args['category'], $parsed_args['class'] ), $parsed_args['category_before'] ); $output .= $parsed_args['title_before']; $output .= $parsed_args['title_li']; $output .= $parsed_args['title_after']; $output .= "\n\t<ul class='xoxo blogroll'>\n"; $output .= _walk_bookmarks( $bookmarks, $parsed_args ); $output .= "\n\t</ul>\n"; $output .= $parsed_args['category_after'] . "\n"; } else { $output .= _walk_bookmarks( $bookmarks, $parsed_args ); } } } /** * Filters the bookmarks list before it is echoed or returned. * * @since 2.5.0 * * @param string $html The HTML list of bookmarks. */ $html = apply_filters( 'wp_list_bookmarks', $output ); if ( $parsed_args['echo'] ) { echo $html; } else { return $html; } }