Changeset 3011 for trunk/wp-includes/functions.php

Timestamp:

11/07/2005 09:56:03 PM (21 years ago)

Author:

ryan

Message:

Object caching, round one.

File:

• trunk/wp-includes/functions.php (modified) (14 diffs)

trunk/wp-includes/functions.php

@@ -261 +261 @@
 
 function get_settings($setting) {
-        global $wpdb, $cache_settings, $cache_nonexistantoptions;
+        global $wpdb;
         if ( strstr($_SERVER['REQUEST_URI'], 'wp-admin/install.php') || defined('WP_INSTALLING') )
                 return false;
 
-        if ( empty($cache_settings) )
-                $cache_settings = get_alloptions();
-
-        if ( empty($cache_nonexistantoptions) )
-                $cache_nonexistantoptions = array();
-
-        if ( 'home' == $setting && '' == $cache_settings->home )
-                return apply_filters('option_' . $setting, $cache_settings->siteurl);
-
-        if ( isset($cache_settings->$setting) ) :
-                return apply_filters('option_' . $setting, $cache_settings->$setting);
-        else :
-                // for these cases when we're asking for an unknown option
-                if ( isset($cache_nonexistantoptions[$setting]) )
-                        return false;
-
-                $option = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting'");
-
-                if (!$option) :
-                        $cache_nonexistantoptions[$setting] = true;
-                        return false;
-                endif;
-
-                @ $kellogs = unserialize($option);
-                if ( $kellogs !== FALSE )
-                        return apply_filters('option_' . $setting, $kellogs);
-                else return apply_filters('option_' . $setting, $option);
-        endif;
+        $value = wp_cache_get($setting, 'options');
+
+        if ( false === $value ) {
+                $value = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting'");
+                wp_cache_add($setting, $value, 'options');
+        }
+
+        // If home is not set use siteurl.
+        if ( 'home' == $setting && '' == $value )
+                return get_settings('siteurl');
+
+        if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting )
+                $value = preg_replace('|/+$|', '', $value);
+
+        @ $kellogs = unserialize($value);
+        if ( $kellogs !== FALSE )
+                return apply_filters('option_' . $setting, $kellogs);
+        else
+                return apply_filters('option_' . $setting, $value);
 }
 
@@ -339 +330 @@
 
 function update_option($option_name, $newvalue) {
-        global $wpdb, $cache_settings;
+        global $wpdb;
 
         if ( is_string($newvalue) )
@@ -355 +346 @@
                 add_option($option_name);
 
+        wp_cache_set($option_name, $newvalue, 'options');
+
         $newvalue = $wpdb->escape($newvalue);
-        $option_name = $wpdb->escape( $option_name );
+        $option_name = $wpdb->escape($option_name);
         $wpdb->query("UPDATE $wpdb->options SET option_value = '$newvalue' WHERE option_name = '$option_name'");
-        $cache_settings = get_alloptions(); // Re cache settings
         return true;
 }
@@ -371 +363 @@
 // thx Alex Stapleton, http://alex.vort-x.net/blog/
 function add_option($name, $value = '', $description = '', $autoload = 'yes') {
-        global $wpdb, $cache_settings;
+        global $wpdb;
 
         // Make sure the option doesn't already exist
-        if ( isset($cache_settings->$name) )
+        if ( false !== get_option($name, 'options') )
                 return;
 
@@ -381 +373 @@
                 $value = serialize($value);
 
-        if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$name'") ) {
-                $name = $wpdb->escape($name);
-                $value = $wpdb->escape($value);
-                $description = $wpdb->escape($description);
-                $wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, option_description, autoload) VALUES ('$name', '$value', '$description', '$autoload')");
-
-                if ( $wpdb->insert_id ) {
-                        global $cache_settings;
-                        $cache_settings->{$name} = $original;
-                }
-        }
+        wp_cache_add($name, $value, 'options');
+
+        $name = $wpdb->escape($name);
+        $value = $wpdb->escape($value);
+        $description = $wpdb->escape($description);
+        $wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, option_description, autoload) VALUES ('$name', '$value', '$description', '$autoload')");
+
         return;
 }
@@ -401 +389 @@
         if ( !$option_id ) return false;
         $wpdb->query("DELETE FROM $wpdb->options WHERE option_name = '$name'");
+        wp_cache_delete($name, 'options');
         return true;
 }
@@ -589 +578 @@
 // Handles page caching.
 function &get_page(&$page, $output = OBJECT) {
-        global $page_cache, $wpdb;
+        global $wpdb;
 
         if ( empty($page) ) {
-                if ( isset($GLOBALS['page']) )
+                if ( isset($GLOBALS['page']) ) {
                         $_page = & $GLOBALS['page'];
-                else
+                        wp_cache_add($_page->ID, $_page, 'pages');
+                } else {
                         $_page = null;
+                }
         } elseif ( is_object($page) ) {
-                if ( !isset($page_cache[$page->ID]) )
-                        $page_cache[$page->ID] = &$page;
-                $_page = & $page_cache[$page->ID];
-        } else {
-                if ( isset($GLOBALS['page']) && ($page == $GLOBALS['page']->ID) )
+                wp_cache_add($page->ID, $page, 'pages');
+                $_page = $page;
+        } else {
+                if ( isset($GLOBALS['page']) && ($page == $GLOBALS['page']->ID) ) {
                         $_page = & $GLOBALS['page'];
-                elseif ( isset($page_cache[$page]) )
-                        $_page = & $page_cache[$page];
-                else {
+                        wp_cache_add($_page->ID, $_page, 'pages');
+                } elseif ( $_page = wp_cache_get($page, 'pages') ) {
+                        // Got it.
+                } else {
                         $query = "SELECT * FROM $wpdb->posts WHERE ID= '$page'";
-                        $page_cache[$page] = & $wpdb->get_row($query);
-                        $_page = & $page_cache[$page];
+                        $_page = & $wpdb->get_row($query);
+                        wp_cache_add($_page->ID, $_page, 'pages');
                 }
         }
@@ -623 +614 @@
 }
 
+function set_category_path($cat) {
+        $cat->fullpath = '/' . $cat->category_nicename;
+        $path = $cat->fullpath;
+        $curcat = $cat;
+        while ($curcat->category_parent != 0) {
+                $curcat = get_category($curcat->category_parent);
+                $path = '/' . $curcat->category_nicename . $path;
+        }
+        
+        $cat->fullpath = $path;
+
+        return $cat;
+}
+
 // Retrieves category data given a category ID or category object.
 // Handles category caching.
 function &get_category(&$category, $output = OBJECT) {
-        global $cache_categories, $wpdb;
+        global $wpdb;
 
         if ( empty($category) )
                 return null;
 
-        if ( !isset($cache_categories) )
-                update_category_cache();
-
         if ( is_object($category) ) {
-                if ( !isset($cache_categories[$category->cat_ID]) )
-                        $cache_categories[$category->cat_ID] = &$category;
-                $_category = & $cache_categories[$category->cat_ID];
-        } else {
-                if ( !isset($cache_categories[$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'");
-                        $cache_categories[$category->cat_ID] = & $_category;
-                } else {
-                        $_category = & $cache_categories[$category];
-                }
+                        wp_cache_add($category, $_category, 'category');
+                }
+        }
+
+        if ( !isset($_category->fullpath) ) {
+                $_category = set_category_path($_category);
+                wp_cache_replace($_category->cat_ID, $_category, 'category');   
         }
 
@@ -693 +697 @@
         $category = &get_category($cat_ID);
         return $category->cat_name;
+}
+
+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;
 }
 
@@ -1232 +1247 @@
         for ($i = 0; $i < count($pages); $i++) {
                 $page_cache[$pages[$i]->ID] = &$pages[$i];
+                wp_cache_add($pages[$i]->ID, $pages[$i], 'pages');
         }
 }
@@ -1244 +1260 @@
 
 function update_post_category_cache($post_ids) {
-        global $wpdb, $category_cache, $cache_categories;
+        global $wpdb, $category_cache;
 
         if ( empty($post_ids) )
@@ -1256 +1272 @@
         WHERE category_id = cat_ID AND post_id IN ($post_ids)");
 
-        if ( !isset($cache_categories) )
-                update_category_cache();
-
-        if ( !empty($dogs) ) {
-                foreach ($dogs as $catt) {
-                        $category_cache[$catt->post_id][$catt->cat_ID] = &$cache_categories[$catt->cat_ID];
-                }
-        }
+        if ( empty($dogs) )
+                return;
+                
+        foreach ($dogs as $catt)
+                $category_cache[$catt->post_id][$catt->cat_ID] = &get_category($catt->cat_ID);
 }
 
@@ -1323 +1336 @@
 
 function update_category_cache() {
-        global $cache_categories, $wpdb;
-        if ( $dogs = $wpdb->get_results("SELECT * FROM $wpdb->categories") ):
-                foreach ($dogs as $catt)
-                        $cache_categories[$catt->cat_ID] = $catt;
-
-                foreach ($cache_categories as $catt) {
-                        $curcat = $catt->cat_ID;
-                        $cache_categories[$catt->cat_ID]->fullpath = '/' . $cache_categories[$catt->cat_ID]->category_nicename;
-                        while ($cache_categories[$curcat]->category_parent != 0) {
-                                $curcat = $cache_categories[$curcat]->category_parent;
-                                $cache_categories[$catt->cat_ID]->fullpath = '/' . $cache_categories[$curcat]->category_nicename . $cache_categories[$catt->cat_ID]->fullpath;
-                        } 
-                }
-                return true;
-        else :
-                return false;
-        endif;
-}
-
-function clean_user_cache($id) {
-        global $cache_userdata;
-
-        if ( isset( $cache_userdata[$id] ) )
-                unset( $cache_userdata[$id] );
+        return true;
 }
 
@@ -2124 +2114 @@
         if ( $cur->meta_value != $meta_value )
                 $wpdb->query("UPDATE $wpdb->usermeta SET meta_value = '$meta_value' WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
+
+        wp_cache_delete($user_id, 'users');
+        // FIXME: Need to delete username keyed cache object.
 }