352 lines
15 KiB
PHP
352 lines
15 KiB
PHP
<?php
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function get_the_category() {
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global $post, $tablecategories, $tablepost2cat, $wpdb, $category_cache;
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if ($category_cache[$post->ID]) {
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return $category_cache[$post->ID];
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} else {
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$categories = $wpdb->get_results("
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SELECT category_id, cat_name, category_nicename, category_description, category_parent
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FROM $tablecategories, $tablepost2cat
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WHERE $tablepost2cat.category_id = cat_ID AND $tablepost2cat.post_id = $post->ID
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");
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return $categories;
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}
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}
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function get_category_link($echo = false, $category_id, $category_nicename) {
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global $wpdb, $tablecategories, $post, $querystring_start, $querystring_equal, $siteurl, $blogfilename, $cache_categories;
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$cat_ID = $category_id;
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$permalink_structure = get_settings('permalink_structure');
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if ('' == $permalink_structure) {
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$file = "$siteurl/$blogfilename";
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$link = $file.$querystring_start.'cat'.$querystring_equal.$cat_ID;
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} else {
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if ('' == $category_nicename) $category_nicename = $cache_categories[$category_id]->category_nicename;
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// Get any static stuff from the front
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$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
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$link = $siteurl . $front . 'category/';
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if ($parent=$cache_categories[$category_id]->category_parent) $link .= get_category_parents($parent, FALSE, '/', TRUE);
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$link .= $category_nicename . '/';
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}
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if ($echo) echo $link;
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return $link;
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}
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function get_category_rss_link($echo = false, $category_id, $category_nicename) {
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global $querystring_start, $querystring_equal, $siteurl;
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$cat_ID = $category_id;
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$permalink_structure = get_settings('permalink_structure');
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if ('' == $permalink_structure) {
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$file = "$siteurl/wp-rss2.php";
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$link = $file . $querystring_start . 'cat' . $querystring_equal . $category_id;
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} else {
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$link = get_category_link(0, $category_id, $category_nicename);
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$link = $link . "/feed/";
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}
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if ($echo) echo $link;
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return $link;
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}
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function the_category($seperator = '', $parents='') {
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$categories = get_the_category();
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if ('' == $seperator) {
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echo '<ul class="post-categories">';
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foreach ($categories as $category) {
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$category->cat_name = stripslashes($category->cat_name);
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echo "\n\t<li>";
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switch(strtolower($parents)) {
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case 'multiple':
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if ($category->category_parent) echo get_category_parents($category->category_parent, TRUE);
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'">'.$category->cat_name.'</a></li>';
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break;
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case 'single':
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'>';
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if ($category->category_parent)echo get_category_parents($category->category_parent, FALSE);
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echo $category->cat_name.'</a></li>';
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break;
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case '':
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default:
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'">'.$category->cat_name.'</a></li>';
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}
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}
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echo '</ul>';
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} else {
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$i = 0;
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foreach ($categories as $category) {
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$category->cat_name = stripslashes($category->cat_name);
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if (0 < $i) echo $seperator . ' ';
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switch(strtolower($parents)) {
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case 'multiple':
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if ($category->category_parent) echo get_category_parents($category->category_parent, TRUE);
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'">'.$category->cat_name.'</a>';
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case 'single':
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'">';
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if ($category->category_parent) echo get_category_parents($category->category_parent, FALSE);
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echo "$category->cat_name</a>";
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case '':
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default:
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echo '<a href="' . get_category_link(0, $category->category_id, $category->category_nicename) . '" title="View all posts in '.$category->cat_name.'">'.$category->cat_name.'</a>';
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}
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++$i;
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}
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}
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}
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function the_category_rss($type = 'rss') {
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$categories = get_the_category();
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foreach ($categories as $category) {
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$category->cat_name = stripslashes(convert_chars($category->cat_name));
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if ('rdf' == $type) {
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echo "\n\t<dc:subject>$category->cat_name</dc:subject>";
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} else {
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echo "\n\t<category>$category->cat_name</category>";
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}
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}
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}
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function get_the_category_by_ID($cat_ID) {
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global $tablecategories, $cache_categories, $use_cache, $wpdb;
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if ((!$cache_categories[$cat_ID]) OR (!$use_cache)) {
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$cat_name = $wpdb->get_var("SELECT cat_name FROM $tablecategories WHERE cat_ID = '$cat_ID'");
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$cache_categories[$cat_ID]->cat_name = $cat_name;
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} else {
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$cat_name = $cache_categories[$cat_ID]->cat_name;
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}
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return(stripslashes($cat_name));
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}
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function get_category_parents($id, $link = FALSE, $separator = '/', $nicename = FALSE){
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global $tablecategories, $cache_categories;
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$chain = "";
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$parent = $cache_categories[$id];
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if ($nicename) {
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$name = $parent->category_nicename;
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} else {
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$name = $parent->cat_name;
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}
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if ($parent->category_parent) $chain .= get_category_parents($parent->category_parent, $link, $separator, $nicename);
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if ($link) {
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$chain .= '<a href="' . get_category_link(0, $parent->cat_ID, $parent->category_nicename) . '" title="View all posts in "'.$parent->cat_name.'">'.$name.'</a>' . $separator;
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} else {
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$chain .= $name.$separator;
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}
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return $chain;
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}
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function get_category_children($id, $before = '/', $after = '') {
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global $tablecategories, $cache_categories;
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$c_cache = $cache_categories; // Can't do recursive foreach on a global, have to make a copy
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$chain = '';
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foreach ($c_cache as $category){
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if ($category->category_parent == $id){
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$chain .= $before.$category->cat_ID.$after;
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$chain .= get_category_children($category->cat_ID, $before, $after);
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}
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}
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return $chain;
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}
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function the_category_ID($echo = true) {
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global $post;
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if ($echo)
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echo $post->post_category;
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else
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return $post->post_category;
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}
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function the_category_head($before='', $after='') {
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global $post, $currentcat, $previouscat, $dateformat, $newday;
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$currentcat = $post->post_category;
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if ($currentcat != $previouscat) {
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echo $before;
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echo get_the_category_by_ID($currentcat);
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echo $after;
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$previouscat = $currentcat;
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}
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}
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function category_description($category = 0) {
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global $cat, $wpdb, $tablecategories, $cache_categories;
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if (!$category) $category = $cat;
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$category_description = $cache_categories[$category]->category_description;
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$category_description = apply_filters('category_description', $category_description);
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return $category_description;
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}
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// out of the WordPress loop
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function dropdown_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc',
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$optiondates = 0, $optioncount = 0, $hide_empty = 1, $optionnone=FALSE,
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$selected=0, $hide=0) {
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global $tablecategories, $tableposts, $tablepost2cat, $wpdb;
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global $pagenow, $siteurl, $blogfilename;
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global $querystring_start, $querystring_equal, $querystring_separator;
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if (($file == 'blah') || ($file == '')) $file = "$siteurl/$blogfilename";
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if (!$selected) $selected=$cat;
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$sort_column = 'cat_'.$sort_column;
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$query = "
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SELECT cat_ID, cat_name, category_nicename,category_parent,
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COUNT($tablepost2cat.post_id) AS cat_count,
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DAYOFMONTH(MAX(post_date)) AS lastday, MONTH(MAX(post_date)) AS lastmonth
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FROM $tablecategories LEFT JOIN $tablepost2cat ON (cat_ID = category_id)
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LEFT JOIN $tableposts ON (ID = post_id)
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WHERE cat_ID > 0
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";
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if ($hide) {
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$query .= " AND cat_ID != $hide";
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$query .= get_category_children($hide, " AND cat_ID != ");
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}
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$query .=" GROUP BY cat_ID";
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if (intval($hide_empty) == 1) $query .= " HAVING cat_count > 0";
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$query .= " ORDER BY $sort_column $sort_order, post_date DESC";
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$categories = $wpdb->get_results($query);
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echo "<select name='cat' class='postform'>\n";
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if (intval($optionall) == 1) {
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$all = apply_filters('list_cats', $all);
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echo "\t<option value='all'>$all</option>\n";
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}
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if (intval($optionnone) == 1) echo "\t<option value='0'>None</option>\n";
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if ($categories) {
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foreach ($categories as $category) {
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$cat_name = apply_filters('list_cats', $category->cat_name);
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echo "\t<option value=\"".$category->cat_ID."\"";
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if ($category->cat_ID == $selected)
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echo ' selected="selected"';
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echo '>';
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echo stripslashes($cat_name);
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if (intval($optioncount) == 1) echo ' ('.$category->cat_count.')';
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if (intval($optiondates) == 1) echo ' '.$category->lastday.'/'.$category->lastmonth;
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echo "</option>\n";
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}
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}
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echo "</select>\n";
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}
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// out of the WordPress loop
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function wp_list_cats($args = '') {
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parse_str($args, $r);
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if (!$r['optionall']) $r['optionall'] = 1;
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if (!$r['all']) $r['all'] = 'All';
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if (!$r['sort_column']) $r['sort_column'] = 'ID';
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if (!$r['file']) $r['file'] = '';
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if (!$r['list']) $r['list'] = true;
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if (!$r['optiondates']) $r['optiondates'] = 0;
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if (!$r['hide_empty']) $r['hide_empty'] = 1;
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if (!$r['use_desc_for_title']) $r['use_desc_for_title'] = 1;
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if (!$r['children']) $r['children'] = true;
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if (!$r['child_of']) $r['child_of'] = 0;
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if (!$r['categories']) $r['categories'] = 0;
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if (!$r['recurse']) $r['recurse'] = 0;
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list_cats($r['optionall'], $r['all'], $r['sort_column'], $r['sort_order'], $r['file'],
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$r['list'], $r['optiondates'], $r['optioncount'], $r['hide_empty'], $r['use_desc_for_title'],
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$r['children'], $r['child_of'], $r['categories'], $r['recurse']);
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}
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function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0, $optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=FALSE, $child_of=0, $categories=0, $recurse=0) {
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global $tablecategories, $tableposts, $tablepost2cat, $wpdb;
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global $pagenow, $siteurl, $blogfilename;
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global $querystring_start, $querystring_equal, $querystring_separator;
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// Optiondates now works
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if ('' == $file) {
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$file = "$siteurl/$blogfilename";
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}
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if (intval($categories)==0){
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$sort_column = 'cat_'.$sort_column;
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$query = "
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SELECT cat_ID, cat_name, category_nicename, category_description, category_parent
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FROM $tablecategories
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WHERE cat_ID > 0
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ORDER BY $sort_column $sort_order";
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$categories = $wpdb->get_results($query);
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}
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if (intval($hide_empty) == 1 || intval($optioncount) == 1) {
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$cat_counts = $wpdb->get_results(" SELECT cat_ID,
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COUNT($tablepost2cat.post_id) AS cat_count
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FROM $tablecategories LEFT JOIN $tablepost2cat ON (cat_ID = category_id)
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LEFT JOIN $tableposts ON (ID = post_id)
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GROUP BY category_id");
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foreach ($cat_counts as $cat_count) {
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$category_posts["$cat_count->cat_ID"] = $cat_count->cat_count;
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}
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}
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if (intval($optiondates) == 1) {
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$cat_dates = $wpdb->get_results(" SELECT cat_ID,
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DAYOFMONTH(MAX(post_date)) AS lastday, MONTH(MAX(post_date)) AS lastmonth
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FROM $tablecategories LEFT JOIN $tablepost2cat ON (cat_ID = category_id)
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LEFT JOIN $tableposts ON (ID = post_id)
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GROUP BY category_id");
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foreach ($cat_dates as $cat_date) {
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$category_lastday["$cat_date->cat_ID"] = $cat_date->lastday;
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$category_lastmonth["$cat_date->cat_ID"] = $cat_date->lastmonth;
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}
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}
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if (intval($optionall) == 1 && !$child_of && $categories) {
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$all = apply_filters('list_cats', $all);
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$link = "<a href=\"".$file.$querystring_start.'cat'.$querystring_equal.'all">'.$all."</a>";
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if ($list) {
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echo "\n\t<li>$link</li>";
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} else {
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echo "\t$link<br />\n";
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}
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}
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$num_found=0;
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$thelist = "";
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foreach ($categories as $category) {
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if ((intval($hide_empty) == 0 || $category_posts["$category->cat_ID"] > 0) && (!$children || $category->category_parent == $child_of)) {
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$num_found++;
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$link = '<a href="'.get_category_link(0, $category->cat_ID, $category->category_nicename).'" ';
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if ($use_desc_for_title == 0 || empty($category->category_description)) {
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$link .= 'title="View all posts filed under ' . htmlspecialchars($category->cat_name) . '"';
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} else {
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$link .= 'title="' . htmlspecialchars($category->category_description) . '"';
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}
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$link .= '>';
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$link .= stripslashes($category->cat_name).'</a>';
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if (intval($optioncount) == 1) {
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$link .= ' ('.intval($category_posts["$category->cat_ID"]).')';
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}
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if (intval($optiondates) == 1) {
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$link .= ' '.$category_lastday["$category->cat_ID"].'/'.$category_lastmonth["$category->cat_ID"];
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}
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if ($list) {
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$thelist .= "\t<li>$link\n";
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} else {
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$thelist .= "\t$link<br />\n";
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}
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if ($children) $thelist .= list_cats($optionall, $all, $sort_column, $sort_order, $file, $list, $optiondates, $optioncount, $hide_empty, $use_desc_for_title, $children, $category->cat_ID, $categories, 1);
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if ($list) $thelist .= "</li>\n";
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}
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}
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if (!$num_found && !$child_of){
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if ($list) {
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$before = '<li>';
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$after = '</li>';
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}
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echo $before . "No categories" . $after . "\n";
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return;
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}
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if ($list && $child_of && $num_found && $recurse) {
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$pre = "\t\t<ul class='children'>";
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$post = "\t\t</ul>\n";
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}
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$thelist=$pre.$thelist.$post;
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if ($recurse) {
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return $thelist;
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}
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echo $thelist;
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}
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?>
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