Moved everything in wp-inst down a directory.

Uses's Ryan Boren's htaccess rules and mods
If you're upgrading, try this on a test server first!


git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@591 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 205 insertions, 0 deletions

diff --git a/wp-includes/category.php b/wp-includes/category.php
new file mode 100644
index 0000000..fb0ec87
--- /dev/null
+++ b/wp-includes/category.php
@@ -0,0 +1,205 @@
+<?php
+
+function get_all_category_ids() {
+	global $wpdb;
+
+	if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
+		$cat_ids = $wpdb->get_col("SELECT cat_ID FROM $wpdb->categories");
+		wp_cache_add('all_category_ids', $cat_ids, 'category');
+	}
+
+	return $cat_ids;
+}
+
+function &get_categories($args = '') {
+	global $wpdb, $category_links;
+
+	if ( is_array($args) )
+		$r = &$args;
+	else
+		parse_str($args, $r);
+
+	$defaults = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC',
+		'hide_empty' => true, 'include_last_update_time' => false, 'hierarchical' => 1, $exclude => '', $include => '');
+	$r = array_merge($defaults, $r);
+	$r['orderby'] = "cat_" . $r['orderby'];  // restricts order by to cat_ID and cat_name fields
+	extract($r);
+
+	$where = 'cat_ID > 0';
+	$inclusions = '';
+	if ( !empty($include) ) {
+		$child_of = 0; //ignore child_of and exclude params if using include 
+		$exclude = '';  
+		$incategories = preg_split('/[\s,]+/',$include);
+		if ( count($incategories) ) {
+			foreach ( $incategories as $incat ) {
+				if (empty($inclusions))
+					$inclusions = ' AND ( cat_ID = ' . intval($incat) . ' ';
+				else
+					$inclusions .= ' OR cat_ID = ' . intval($incat) . ' ';
+			}
+		}
+	}
+	if (!empty($inclusions)) 
+		$inclusions .= ')';	
+	$where .= $inclusions;
+
+	$exclusions = '';
+	if ( !empty($exclude) ) {
+		$excategories = preg_split('/[\s,]+/',$exclude);
+		if ( count($excategories) ) {
+			foreach ( $excategories as $excat ) {
+				if (empty($exclusions))
+					$exclusions = ' AND ( cat_ID <> ' . intval($excat) . ' ';
+				else
+					$exclusions .= ' AND cat_ID <> ' . intval($excat) . ' ';
+				// TODO: Exclude children of excluded cats?   Note: children are getting excluded
+			}
+		}
+	}
+	if (!empty($exclusions)) 
+		$exclusions .= ')';
+	$exclusions = apply_filters('list_cats_exclusions', $exclusions );
+	$where .= $exclusions;
+
+	$having = '';
+	if ( $hide_empty ) {
+		if ( 'link' == $type )
+			$having = 'HAVING link_count > 0';
+		else
+			$having = 'HAVING category_count > 0';
+	}
+
+	$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories WHERE $where $having ORDER BY $orderby $order");
+
+	if ( empty($categories) )
+		return array();
+
+	// TODO: Integrate this into the main query.
+	if ( $include_last_update_time ) {
+		$stamps = $wpdb->get_results("SELECT category_id, UNIX_TIMESTAMP( MAX(post_date) ) AS ts FROM $wpdb->posts, $wpdb->post2cat, $wpdb->categories
+							WHERE post_status = 'publish' AND post_id = ID AND $where GROUP BY category_id");
+		global $cat_stamps;
+		foreach ($stamps as $stamp)
+			$cat_stamps[$stamp->category_id] = $stamp->ts;
+		function stamp_cat($cat) {
+			global $cat_stamps;
+			$cat->last_update_timestamp = $cat_stamps[$cat->cat_ID];
+			return $cat;	
+		}
+		$categories = array_map('stamp_cat', $categories);
+		unset($cat_stamps);
+	}
+
+	if ( $child_of || $hierarchical )
+		$categories = & _get_cat_children($child_of, $categories);
+
+	return apply_filters('get_categories', $categories);
+}
+
+// Retrieves category data given a category ID or category object.
+// Handles category caching.
+function &get_category(&$category, $output = OBJECT) {
+	global $wpdb;
+
+	if ( empty($category) )
+		return null;
+
+	if ( is_object($category) ) {
+		wp_cache_add($category->cat_ID, $category, 'category');
+		$_category = $category;
+	} else {
+		if ( ! $_category = wp_cache_get($category, 'category') ) {
+			$_category = $wpdb->get_row("SELECT * FROM $wpdb->categories WHERE cat_ID = '$category' LIMIT 1");
+			wp_cache_add($category, $_category, 'category');
+		}
+	}
+
+	if ( $output == OBJECT ) {
+		return $_category;
+	} elseif ( $output == ARRAY_A ) {
+		return get_object_vars($_category);
+	} elseif ( $output == ARRAY_N ) {
+		return array_values(get_object_vars($_category));
+	} else {
+		return $_category;
+	}
+}
+
+function get_category_by_path($category_path, $full_match = true, $output = OBJECT) {
+	global $wpdb;
+	$category_path = rawurlencode(urldecode($category_path));
+	$category_path = str_replace('%2F', '/', $category_path);
+	$category_path = str_replace('%20', ' ', $category_path);
+	$category_paths = '/' . trim($category_path, '/');
+	$leaf_path  = sanitize_title(basename($category_paths));
+	$category_paths = explode('/', $category_paths);
+	foreach($category_paths as $pathdir)
+		$full_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
+
+	$categories = $wpdb->get_results("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE category_nicename = '$leaf_path'");
+
+	if ( empty($categories) ) 
+		return NULL;
+
+	foreach ($categories as $category) {
+		$path = '/' . $leaf_path;
+		$curcategory = $category;
+		while ($curcategory->category_parent != 0) {
+			$curcategory = $wpdb->get_row("SELECT cat_ID, category_nicename, category_parent FROM $wpdb->categories WHERE cat_ID = '$curcategory->category_parent'");
+			$path = '/' . $curcategory->category_nicename . $path;
+		}
+
+		if ( $path == $full_path )
+			return get_category($category->cat_ID, $output);
+	}
+
+	// If full matching is not required, return the first cat that matches the leaf.
+	if ( ! $full_match )
+		return get_category($categories[0]->cat_ID, $output);
+
+	return NULL;
+}
+
+// Get the ID of a category from its name
+function get_cat_ID($cat_name='General') {
+	global $wpdb;
+
+	$cid = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name='$cat_name'");
+
+	return $cid?$cid:1;	// default to cat 1
+}
+
+// Deprecate
+function get_catname($cat_ID) {
+	return get_cat_name($cat_ID);
+}
+
+// Get the name of a category from its ID
+function get_cat_name($cat_id) {
+	$cat_id = (int) $cat_id;
+	$category = &get_category($cat_id);
+	return $category->cat_name;
+}
+
+//
+// Private
+//
+
+function &_get_cat_children($category_id, $categories) {
+	if ( empty($categories) )
+		return array();
+
+	$category_list = array();
+	foreach ( $categories as $category ) {
+		if ( $category->category_parent == $category_id ) {
+			$category_list[] = $category;
+			if ( $children = _get_cat_children($category->cat_ID, $categories) )
+				$category_list = array_merge($category_list, $children);
+		}
+	}
+
+	return $category_list;
+}
+
+?>