<?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.
*
* The defaults for overwriting are:
* 'show_updated' - Default is 0 (integer). Will show the time of when the
* bookmark was last updated.
* 'show_description' - Default is 0 (integer). Whether to show the description
* of the bookmark.
* 'show_images' - Default is 1 (integer). Whether to show link image if
* available.
* 'show_name' - Default is 0 (integer). Whether to show link name if
* available.
* 'before' - Default is '<li>' (string). The html or text to prepend to each
* bookmarks.
* 'after' - Default is '</li>' (string). The html or text to append to each
* bookmarks.
* 'link_before' - Default is '' (string). The html or text to prepend to each
* bookmarks inside the <a> tag.
* 'link_after' - Default is '' (string). The html or text to append to each
* bookmarks inside the <a> tag.
* 'between' - Default is '\n' (string). The string for use in between the link,
* description, and image.
* 'show_rating' - Default is 0 (integer). Whether to show the link rating.
*
* @since 2.1.0
* @access private
*
* @param array $bookmarks List of bookmarks to traverse
* @param string|array $args Optional. Overwrite the defaults.
* @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' => ''
);
$r = 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 .= $r['before'];
if ( $r['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 ( $r['show_updated'] ) {
if ( '00' != substr( $bookmark->link_updated_f, 0, 2 ) ) {
$title .= ' (';
$title .= sprintf(
__('Last updated: %s'),
date(
get_option( 'links_updated_date_format' ),
$bookmark->link_updated_f + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS )
)
);
$title .= ')';
}
}
$alt = ' alt="' . $name . ( $r['show_description'] ? ' ' . $title : '' ) . '"';
if ( '' != $title ) {
$title = ' title="' . $title . '"';
}
$rel = $bookmark->link_rel;
if ( '' != $rel ) {
$rel = ' rel="' . esc_attr($rel) . '"';
}
$target = $bookmark->link_target;
if ( '' != $target ) {
$target = ' target="' . $target . '"';
}
$output .= '<a href="' . $the_link . '"' . $rel . $title . $target . '>';
$output .= $r['link_before'];
if ( $bookmark->link_image != null && $r['show_images'] ) {
if ( strpos( $bookmark->link_image, 'http' ) === 0 ) {
$output .= "<img src=\"$bookmark->link_image\" $alt $title />";
} else { // If it's a relative path
$output .= "<img src=\"" . get_option('siteurl') . "$bookmark->link_image\" $alt $title />";
}
if ( $r['show_name'] ) {
$output .= " $name";
}
} else {
$output .= $name;
}
$output .= $r['link_after'];
$output .= '</a>';
if ( $r['show_updated'] && $bookmark->recently_updated ) {
$output .= '</em>';
}
if ( $r['show_description'] && '' != $desc ) {
$output .= $r['between'] . $desc;
}
if ( $r['show_rating'] ) {
$output .= $r['between'] . sanitize_bookmark_field(
'link_rating',
$bookmark->link_rating,
$bookmark->link_id,
'display'
);
}
$output .= $r['after'] . "\n";
} // end while
return $output;
}
/**
* Retrieve or echo all of the bookmarks.
*
* List of default arguments are as follows:
* 'orderby' - Default is 'name' (string). How to order the links by. String is
* based off of the bookmark scheme.
* 'order' - Default is 'ASC' (string). Either 'ASC' or 'DESC'. Orders in either
* ascending or descending order.
* 'limit' - Default is -1 (integer) or show all. The amount of bookmarks to
* display.
* 'category' - Default is empty string (string). Include the links in what
* category ID(s).
* 'category_name' - Default is empty string (string). Get links by category
* name.
* 'hide_invisible' - Default is 1 (integer). Whether to show (default) or hide
* links marked as 'invisible'.
* 'show_updated' - Default is 0 (integer). Will show the time of when the
* bookmark was last updated.
* 'echo' - Default is 1 (integer). Whether to echo (default) or return the
* formatted bookmarks.
* 'categorize' - Default is 1 (integer). Whether to show links listed by
* category (default) or show links in one column.
* 'show_description' - Default is 0 (integer). Whether to show the description
* of the bookmark.
*
* 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.
* 'title_li' - Default is 'Bookmarks' (translatable string). What to show
* before the links appear.
* 'title_before' - Default is '<h2>' (string). The HTML or text to show before
* the 'title_li' string.
* 'title_after' - Default is '</h2>' (string). The HTML or text to show after
* the 'title_li' string.
* 'class' - Default is 'linkcat' (string). The CSS class to use for the
* 'title_li'.
*
* 'category_before' - Default is '<li id="%id" class="%class">'. String must
* contain '%id' and '%class' to get
* the id of the category and the 'class' argument. These are used for
* formatting in themes.
* Argument will be displayed before the 'title_before' argument.
* 'category_after' - Default is '</li>' (string). The HTML or text that will
* appear after the list of links.
*
* These are only used if 'categorize' is set to 1 or true.
* 'category_orderby' - Default is 'name'. How to order the bookmark category
* based on term scheme.
* 'category_order' - Default is 'ASC'. Set the order by either ASC (ascending)
* or DESC (descending).
*
* @see _walk_bookmarks() For other arguments that can be set in this function
* and passed to _walk_bookmarks().
* @see get_bookmarks() For other arguments that can be set in this function and
* passed to get_bookmarks().
* @link http://codex.wordpress.org/Template_Tags/wp_list_bookmarks
*
* @since 2.1.0
* @uses _walk_bookmarks() Used to iterate over all of the bookmarks and return
* the html
* @uses get_terms() Gets all of the categories that are for links.
*
* @param string|array $args Optional. Overwrite the defaults of the function
* @return string|null Will only return if echo option is set to not echo.
* Default is not return anything.
*/
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>'
);
$r = wp_parse_args( $args, $defaults );
$output = '';
if ( $r['categorize'] ) {
$cats = get_terms( 'link_category', array(
'name__like' => $r['category_name'],
'include' => $r['category'],
'exclude' => $r['exclude_category'],
'orderby' => $r['category_orderby'],
'order' => $r['category_order'],
'hierarchical' => 0
) );
if ( empty( $cats ) ) {
$categorize = false;
}
}
if ( $r['categorize'] ) {
// Split the bookmarks into ul's for each category
foreach ( (array) $cats as $cat ) {
$params = array_merge( $r, array( 'category' => $cat->term_id ) );
$bookmarks = get_bookmarks( $params );
if ( empty( $bookmarks ) ) {
continue;
}
$output .= str_replace(
array( '%id', '%class' ),
array( "linkcat-$cat->term_id", $r['class'] ),
$r['category_before']
);
/**
* Filter the bookmarks category name.
*
* @since 2.2.0
*
* @param string $cat_name The category name of bookmarks.
*/
$catname = apply_filters( 'link_category', $cat->name );
$output .= $r['title_before'];
$output .= $catname;
$output .= $r['title_after'];
$output .= "\n\t<ul class='xoxo blogroll'>\n";
$output .= _walk_bookmarks( $bookmarks, $r );
$output .= "\n\t</ul>\n";
$output .= $r['category_after'] . "\n";
}
} else {
//output one single list using title_li for the title
$bookmarks = get_bookmarks( $r );
if ( ! empty( $bookmarks ) ) {
if ( ! empty( $r['title_li'] ) ) {
$output .= str_replace(
array( '%id', '%class' ),
array( "linkcat-" . $r['category'], $r['class'] ),
$r['category_before']
);
$output .= $r['title_before'];
$output .= $r['title_li'];
$output .= $r['title_after'];
$output .= "\n\t<ul class='xoxo blogroll'>\n";
$output .= _walk_bookmarks( $bookmarks, $r );
$output .= "\n\t</ul>\n";
$output .= $r['category_after'] . "\n";
} else {
$output .= _walk_bookmarks( $bookmarks, $r );
}
}
}
/**
* Filter 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 ( ! $r['echo'] ) {
return $html;
}
echo $html;
}