get_links() purtification. Props MaThIbUs. fixes #1244
git-svn-id: http://svn.automattic.com/wordpress/trunk@2795 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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ryan
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5c6d00bbfc
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e93dd02321
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@ -125,7 +125,7 @@ function wp_get_links($args = '') {
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** before (default '') - the html to output before the link
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** after (default '<br />') - the html to output after the link
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** between (default ' ') - the html to output between the link/image
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** and it's description. Not used if no image or show_images == true
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** and its description. Not used if no image or show_images == true
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** show_images (default true) - whether to show images (if defined).
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** orderby (default 'id') - the order to output the links. E.g. 'id', 'name',
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** 'url', 'description', or 'rating'. Or maybe owner. If you start the
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@ -138,136 +138,133 @@ function wp_get_links($args = '') {
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** limit (default -1) - Limit to X entries. If not specified, all entries
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** are shown.
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** show_updated (default 0) - whether to show last updated timestamp
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** echo (default true) - whether to echo the results, or return them instead
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*/
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function get_links($category = -1, $before = '', $after = '<br />',
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$between = ' ', $show_images = true, $orderby = 'name',
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$show_description = true, $show_rating = false,
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$limit = -1, $show_updated = 1, $echo = true) {
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function get_links($category = -1,
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$before = '',
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$after = '<br />',
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$between = ' ',
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$show_images = true,
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$orderby = 'name',
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$show_description = true,
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$show_rating = false,
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$limit = -1,
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$show_updated = 1,
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$echo = true) {
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global $wpdb;
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global $wpdb;
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$direction = ' ASC';
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$category_query = "";
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if ($category != -1) {
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$category_query = " AND link_category = $category ";
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}
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if (get_settings('links_recently_updated_time')) {
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$recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL ".get_settings('links_recently_updated_time')." MINUTE) >= NOW(), 1,0) as recently_updated ";
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} else {
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$direction = ' ASC';
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$category_query = '';
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if ($category != -1) {
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$category_query = " AND link_category = $category ";
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}
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if (get_settings('links_recently_updated_time')) {
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$recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL " . get_settings('links_recently_updated_time') . " MINUTE) >= NOW(), 1,0) as recently_updated ";
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} else {
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$recently_updated_test = '';
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}
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if ($show_updated) {
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$get_updated = ", UNIX_TIMESTAMP(link_updated) AS link_updated_f ";
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}
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$orderby=strtolower($orderby);
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if ($orderby == '')
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$orderby = 'id';
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if (substr($orderby,0,1) == '_') {
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$direction = ' DESC';
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$orderby = substr($orderby,1);
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}
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switch($orderby) {
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case 'length':
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$length = ",CHAR_LENGTH(link_name) AS length";
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break;
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case 'rand':
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$orderby = 'rand()';
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break;
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default:
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$orderby = " link_" . $orderby;
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}
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if (!isset($length)) {
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$length = "";
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if ($show_updated) {
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$get_updated = ", UNIX_TIMESTAMP(link_updated) AS link_updated_f ";
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}
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$sql = "SELECT link_url, link_name, link_image, link_target,
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link_description, link_rating, link_rel $length $recently_updated_test $get_updated
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FROM $wpdb->links
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WHERE link_visible = 'Y' " .
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$category_query;
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$sql .= ' ORDER BY ' . $orderby;
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$sql .= $direction;
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/* The next 2 lines implement LIMIT TO processing */
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if ($limit != -1)
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$sql .= " LIMIT $limit";
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//echo $sql;
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$results = $wpdb->get_results($sql);
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if (!$results) {
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return;
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}
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$output = "";
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foreach ($results as $row) {
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$orderby = strtolower($orderby);
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if ($orderby == '')
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$orderby = 'id';
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if (substr($orderby, 0, 1) == '_') {
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$direction = ' DESC';
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$orderby = substr($orderby, 1);
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}
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switch($orderby) {
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case 'length':
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$length = ", CHAR_LENGTH(link_name) AS length";
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break;
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case 'rand':
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$orderby = 'rand()';
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break;
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default:
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$orderby = " link_" . $orderby;
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}
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if (!isset($length)) {
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$length = '';
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}
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$sql = "SELECT link_url, link_name, link_image, link_target, link_description, link_rating, link_rel $length $recently_updated_test $get_updated FROM $wpdb->links WHERE link_visible = 'Y' " . $category_query;
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$sql .= ' ORDER BY ' . $orderby . $direction;
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/* The next 2 lines implement LIMIT TO processing */
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if ($limit != -1)
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$sql .= " LIMIT $limit";
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$results = $wpdb->get_results($sql);
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if (!$results) {
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return;
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}
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$output = '';
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foreach ($results as $row) {
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if (!isset($row->recently_updated)) $row->recently_updated = false;
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$output .= ($before);
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if ($show_updated && $row->recently_updated) {
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$output .= get_settings('links_recently_updated_prepend');
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}
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$the_link = '#';
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if ( !empty($row->link_url) )
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$the_link = wp_specialchars($row->link_url);
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$rel = $row->link_rel;
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if ($rel != '') {
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$rel = " rel='$rel'";
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}
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$desc = wp_specialchars($row->link_description, ENT_QUOTES);
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$name = wp_specialchars($row->link_name, ENT_QUOTES);
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$output .= $before;
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if ($show_updated && $row->recently_updated) {
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$output .= get_settings('links_recently_updated_prepend');
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}
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$title = $desc;
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$the_link = '#';
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if (!empty($row->link_url))
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$the_link = wp_specialchars($row->link_url);
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if ($show_updated) {
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if (substr($row->link_updated_f,0,2) != '00') {
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$title .= ' (Last updated ' . date(get_settings('links_updated_date_format'), $row->link_updated_f + (get_settings('gmt_offset') * 3600)) .')';
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}
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}
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$rel = $row->link_rel;
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if ($rel != '') {
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$rel = ' rel="' . $rel . '"';
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}
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if ('' != $title) {
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$title = " title='$title'";
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}
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$desc = wp_specialchars($row->link_description, ENT_QUOTES);
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$name = wp_specialchars($row->link_name, ENT_QUOTES);
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$title = $desc;
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$alt = " alt='$name'";
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$target = $row->link_target;
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if ('' != $target) {
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$target = " target='$target'";
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}
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$output.= "<a href='$the_link'";
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$output.= $rel . $title . $target;
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$output.= '>';
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if (($row->link_image != null) && $show_images) {
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if ($show_updated) {
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if (substr($row->link_updated_f, 0, 2) != '00') {
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$title .= ' (Last updated ' . date(get_settings('links_updated_date_format'), $row->link_updated_f + (get_settings('gmt_offset') * 3600)) . ')';
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}
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}
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if ('' != $title) {
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$title = ' title="' . $title . '"';
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}
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$alt = ' alt="' . $name . '"';
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$target = $row->link_target;
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if ('' != $target) {
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$target = ' target="' . $target . '"';
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}
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$output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';
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if (($row->link_image != null) && $show_images) {
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if (strstr($row->link_image, 'http'))
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$output.= "<img src='$row->link_image' $alt $title />";
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$output .= "<img src=\"$row->link_image\" $alt $title />";
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else // If it's a relative path
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$output.= "<img src='" . get_settings('siteurl') . "$row->link_image' $alt $title />";
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} else {
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$output.= $name;
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}
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$output.= '</a>';
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if ($show_updated && $row->recently_updated) {
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$output.= get_settings('links_recently_updated_append');
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}
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$output .= "<img src=\"" . get_settings('siteurl') . "$row->link_image\" $alt $title />";
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} else {
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$output .= $name;
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}
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if ($show_description && ($desc != '')) {
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$output.= $between.$desc;
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}
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$output.= "$after\n";
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} // end while
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if($echo) {
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echo $output;
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$output .= '</a>';
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if ($show_updated && $row->recently_updated) {
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$output .= get_settings('links_recently_updated_append');
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}
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if ($show_description && ($desc != '')) {
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$output .= $between . $desc;
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}
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$output .= "$after\n";
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} // end while
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if ($echo) {
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echo $output;
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} else {
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return $output;
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}
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