PHP wp_cache_add函数代码示例

function batcache_clear_url($url)
{
    global $batcache, $wp_object_cache;
    if (empty($url)) {
        return false;
    }
    if (0 === strpos($url, 'https://')) {
        $url = str_replace('https://', 'http://', $url);
    }
    if (0 !== strpos($url, 'http://')) {
        $url = 'http://' . $url;
    }
    $url_key = md5($url);
    wp_cache_add("{$url_key}_version", 0, $batcache->group);
    $retval = wp_cache_incr("{$url_key}_version", 1, $batcache->group);
    $batcache_no_remote_group_key = array_search($batcache->group, (array) $wp_object_cache->no_remote_groups);
    if (false !== $batcache_no_remote_group_key) {
        // The *_version key needs to be replicated remotely, otherwise invalidation won't work.
        // The race condition here should be acceptable.
        unset($wp_object_cache->no_remote_groups[$batcache_no_remote_group_key]);
        $retval = wp_cache_set("{$url_key}_version", $retval, $batcache->group);
        $wp_object_cache->no_remote_groups[$batcache_no_remote_group_key] = $batcache->group;
    }
    return $retval;
}

function get_most_recent_comments($args = null)
{
    global $most_recent_comments_args;
    // You can pass any of these arguments as well as any argument supported by get_comments()
    $defaults = array('passworded_posts' => false, 'showpings' => false, 'post_types' => array('post', 'page'), 'post_statuses' => array('publish', 'static'), 'number' => 5, 'status' => 'approve');
    $most_recent_comments_args = wp_parse_args($args, $defaults);
    // Create the cache key
    $key = md5(serialize($most_recent_comments_args));
    $last_changed = wp_cache_get('last_changed', 'comment');
    if (!$last_changed) {
        $last_changed = time();
        wp_cache_set('last_changed', $last_changed, 'comment');
    }
    $cache_key = "most_recent_comments:{$key}:{$last_changed}";
    // Check to see if we already have results for this request
    if ($cache = wp_cache_get($cache_key, 'comment')) {
        return $cache;
    }
    // Modify the get_comments() SQL query
    add_filter('comments_clauses', '_mrc_modify_comments_clauses');
    // Get the comments
    // The custom arguments will be ignored by get_comments()
    $comments = get_comments($most_recent_comments_args);
    // Remove the get_comments() SQL query filter
    remove_filter('comments_clauses', '_mrc_modify_comments_clauses');
    // Cache these results
    wp_cache_add($cache_key, $comments, 'comment');
    return $comments;
}

/**
 * Update the metadata cache for the specified objects.
 *
 * @since 2.9.0
 * @uses $wpdb WordPress database object for queries.
 *
 * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user)
 * @param int|array $object_ids array or comma delimited list of object IDs to update cache for
 * @return mixed Metadata cache for the specified objects, or false on failure.
 */
function update_meta_cache_byID($post_ID, $meta_type = 'attachment')
{
    if (empty($post_ID)) {
        return false;
    }
    global $wpdb;
    $cache_key = $meta_type . '_meta';
    $cache = array();
    // Get meta info
    $meta_list = $wpdb->get_results($wpdb->prepare("select p.id,p.guid from wp_posts p inner join (select max(id) as id from wp_posts where post_parent = {$post_ID} and post_type = 'attachment') a on (p.id = a.id)", $meta_type), ARRAY_A);
    if (!empty($meta_list)) {
        foreach ($meta_list as $metarow) {
            $mpid = intval($post_ID);
            $mkey = $cache_key;
            $mval = $metarow['guid'];
            // Force subkeys to be array type:
            if (!isset($cache[$mpid]) || !is_array($cache[$mpid])) {
                $cache[$mpid] = array();
            }
            if (!isset($cache[$mpid][$mkey]) || !is_array($cache[$mpid][$mkey])) {
                $cache[$mpid][$mkey] = array();
            }
            // Add a value to the current pid/key:
            $cache[$mpid][$mkey][] = $mval;
        }
    }
    if (isset($cache[$post_ID])) {
        wp_cache_add($post_ID, $cache[$post_ID], $cache_key);
    }
    return $cache;
}

/** Read the schedule table for the posts, and add an ec3_schedule array
 * to each post. */
function ec3_filter_the_posts($posts)
{
    if ('array' != gettype($posts) || 0 == count($posts)) {
        return $posts;
    }
    $post_ids = array();
    // Can't use foreach, because it gets *copies* (in PHP<5)
    for ($i = 0; $i < count($posts); $i++) {
        $post_ids[] = intval($posts[$i]->ID);
        $posts[$i]->ec3_schedule = array();
    }
    global $ec3, $wpdb;
    $sql = "SELECT *,IF(end>='{$ec3->today}',1,0) AS active\n        FROM {$ec3->schedule}\n        WHERE post_id IN (" . implode(',', $post_ids) . ")\n        ORDER BY start";
    $key = md5($sql);
    $schedule = wp_cache_get($key, 'ec3');
    if ($schedule === FALSE) {
        $schedule = $wpdb->get_results($sql);
        wp_cache_add($key, $schedule, 'ec3');
    }
    // Flip $post_ids so that it maps post ID to position in the $posts array.
    $post_ids = array_flip($post_ids);
    if ($post_ids && $schedule) {
        foreach ($schedule as $s) {
            $i = $post_ids[$s->post_id];
            $posts[$i]->ec3_schedule[] = $s;
        }
    }
    return $posts;
}

/**
 * Calculate the posts with the most comments from the last 6 months
 *
 * @param array args previously specified arguments
 * @param int postCount the number of posts to display
 */
function bb_popularPosts($args = array(), $displayComments = TRUE, $interval = '')
{
    global $wpdb;
    $postCount = 5;
    $request = 'SELECT * FROM ' . $wpdb->posts . ' WHERE ';
    if ($interval != '') {
        $request .= 'post_date>DATE_SUB(NOW(), ' . $interval . ') ';
    }
    $request .= 'post_status="publish" AND comment_count > 0 ORDER BY comment_count DESC LIMIT 0, ' . $postCount;
    $posts = $wpdb->get_results($request);
    if (count($posts) >= 1) {
        $defaults = array('title' => __('Popular Posts', BB_BASE));
        $args = bb_defaultArgs($args, $defaults);
        foreach ($posts as $post) {
            wp_cache_add($post->ID, $post, 'posts');
            $popularPosts[] = array('title' => stripslashes($post->post_title), 'url' => get_permalink($post->ID), 'comment_count' => $post->comment_count);
        }
        echo $args['before_widget'] . $args['before_title'] . $args['title'] . $args['after_title'];
        ?>
	<div class="widgetInternalWrapper">
		<ol class="popularPosts postsList">
		<?php 
        foreach ($popularPosts as $post) {
            if ($listClass == 'odd') {
                $listClass = 'even';
            } else {
                $listClass = 'odd';
            }
            ?>
			<li class="<?php 
            echo $listClass;
            ?>
">
				<a href="<?php 
            echo $post['url'];
            ?>
"><?php 
            echo $post['title'];
            ?>
</a>
	<?php 
            if ($displayComments) {
                ?>
				<span class="commentsCount">(<?php 
                echo $post['comment_count'] . ' ' . __('comments', BB_BASE);
                ?>
)</span>
	<?php 
            }
            ?>
			</li>
	<?php 
        }
        ?>
		</ol>
	</div>
		<?php 
        echo $args['after_widget'];
    }
}

 public static function getSticBlockContent($id = false, $return = false)
 {
     if (!$id) {
         return;
     }
     $output = false;
     $output = wp_cache_get($id, 'nth_get_staticBlock');
     if (!$output) {
         $blocks = get_posts(array('include' => $id, 'post_type' => 'nth_stblock', 'posts_per_page' => 1));
         $output = '';
         foreach ($blocks as $post) {
             setup_postdata($post);
             $output = do_shortcode($post->post_content);
             $shortcodes_custom_css = get_post_meta($post->ID, '_wpb_shortcodes_custom_css', true);
             if (!empty($shortcodes_custom_css)) {
                 $output .= '<style type="text/css" data-type="vc_shortcodes-custom-css">';
                 $output .= $shortcodes_custom_css;
                 $output .= '</style>';
             }
         }
         wp_reset_postdata();
         wp_cache_add($id, $output, 'nth_get_staticBlock');
     }
     if ($return) {
         return $output;
     } else {
         echo $output;
     }
 }

function wpupdate_themeswordpressnet_search($args)
{
    $url = wpupdate_themeswordpressnet_searchCreate($args['info']);
    $url = 'http://themes.wordpress.net/?' . $url . '&submit=Show';
    if ($args['info']['page'] > 1) {
        $url .= '&paged=' . $args['info']['page'];
    }
    $results = wp_cache_get('wpupdate_searchThemesThemesWordpressNet_' . md5($url), 'wpupdate');
    if (!$results) {
        $results = array('results' => array(), 'pages' => 0);
        $snoopy = new Snoopy();
        $snoopy->fetch($url);
        preg_match_all('#<a href="(.*?)" rel="bookmark" title="(.*?)"><img src=".*/snapshots/(\\d+?)-thumb.jpg"#i', $snoopy->results, $mat1);
        if (!$mat1) {
            return $args;
        }
        for ($i = 0; $i < count($mat1[1]); $i++) {
            $id = $mat1[3][$i];
            $results['results'][] = array('name' => $mat1[2][$i], 'url' => $mat1[1][$i], 'id' => $id, 'download' => 'http://themes.wordpress.net/download.php?theme=' . $id, 'snapshot' => array('thumb' => 'http://s.themes.wordpress.net/snapshots/' . $id . '-thumb.jpg', 'medium' => 'http://s.themes.wordpress.net/snapshots/' . $id . '-medium.jpg', 'big' => 'http://s.themes.wordpress.net/snapshots/' . $id . '-big.jpg'), 'testrun' => 'http://themes.wordpress.net/testrun/?wptheme=' . $id);
        }
        //Check the number of pages, If this isnt the last page, change it.
        if (preg_match('#title="Last &raquo;">(\\d+)</a>#', $snoopy->results, $pages)) {
            $results['pages'] = (int) $pages[1];
        }
        wp_cache_add('wpupdate_searchThemesThemesWordpressNet_' . md5($url), $results, 'wpupdate', 21600);
    }
    //end if ( ! $results )
    //Merge Result set
    $args['results'] = array_merge($args['results'], $results['results']);
    //Check if theres more pages than set
    if ($results['pages'] > $args['info']['pages']) {
        $args['info']['pages'] = $results['pages'];
    }
    return $args;
}

function get_recent_comments($args)
{
    global $wpdb, $comments, $comment;
    extract($args, EXTR_SKIP);
    $themePath = get_bloginfo('template_url');
    $imageLink = '<h2>Популярные записи</h2>';
    $options = get_option('widget_recent_comments');
    $title = empty($options['title']) ? __($imageLink) : apply_filters('widget_title', $options['title']);
    if (!($number = (int) $options['number'])) {
        $number = 5;
    } else {
        if ($number < 1) {
            $number = 1;
        } else {
            if ($number > 15) {
                $number = 15;
            }
        }
    }
    if (!($comments = wp_cache_get('recent_comments', 'widget'))) {
        $comments = $wpdb->get_results("SELECT * FROM {$wpdb->comments} WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT {$number}");
        wp_cache_add('recent_comments', $comments, 'widget');
    }
    echo $before_widget;
    echo $before_title . $title . $after_title;
    echo '<ul id="recentcomments">';
    if ($comments) {
        foreach ((array) $comments as $comment) {
            echo '<li class="recentcomments">' . sprintf(__('%2$s'), get_comment_author_link(), '<a href="' . get_comment_link($comment->comment_ID) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>';
        }
    }
    echo '</ul>';
    echo $after_widget;
}

 public function get($query, $comments, $count = false, $prefetch = false)
 {
     global $wpuDebug;
     if (!$this->can_handle_request($query, $prefetch) || $this->doingQuery) {
         return $comments;
     }
     // this must be set before set_current_query as we sometimes
     // need to pull from WP
     $this->doingQuery = true;
     $this->set_current_query($query, $comments, $count, $prefetch);
     $this->create_request_signature();
     $sig = $this->currentQuery['signature'];
     if (!isset($this->queries[$sig])) {
         $wpuDebug->add('New XPost query created for query ' . $sig);
         $this->queries[$sig] = new WPU_XPost_Query($this->idOffset);
     } else {
         $wpuDebug->add('Re-using XPost query from store for query ' . $sig);
     }
     $result = $this->queries[$sig]->get_result($this->currentQuery);
     $newLinks = array();
     foreach ($this->links as $linkGroup => $links) {
         $newLinks[$linkGroup] = array_merge($links, $this->queries[$sig]->links[$linkGroup]);
     }
     $this->links = $newLinks;
     $this->doingQuery = false;
     if (!empty($this->primeCacheKey)) {
         $last_changed = wp_cache_get('last_changed', 'comment');
         $cache_key = "get_comments:{$this->primeCacheKey}:{$last_changed}";
         wp_cache_add($cache_key, $result, 'comment');
     }
     return $result;
 }

 /**
  * Constructor
  * 
  * @param object $gallery The flagGallery object representing the gallery containing this image
  * @return void
  */
 function flagImage($gallery)
 {
     //This must be an object
     $gallery = (object) $gallery;
     // Build up the object
     foreach ($gallery as $key => $value) {
         $this->{$key} = $value;
     }
     // Finish initialisation
     $this->name = $gallery->name;
     $this->path = $gallery->path;
     $this->title = $gallery->title;
     $this->previewpic = $gallery->previewpic;
     $this->galleryid = $gallery->galleryid;
     $this->alttext = $gallery->alttext;
     $this->description = $gallery->description;
     // set urls and paths
     $this->imageURL = get_option('siteurl') . '/' . $this->path . '/' . $this->filename;
     $this->webimageURL = get_option('siteurl') . '/' . $this->path . '/webview/' . $this->filename;
     $this->thumbURL = get_option('siteurl') . '/' . $this->path . '/thumbs/thumbs_' . $this->filename;
     $this->imagePath = WINABSPATH . $this->path . '/' . $this->filename;
     $this->webimagePath = WINABSPATH . $this->path . '/webview/' . $this->filename;
     $this->thumbPath = WINABSPATH . $this->path . '/thumbs/thumbs_' . $this->filename;
     $this->meta_data = unserialize($this->meta_data);
     wp_cache_add($this->pid, $this, 'flag_image');
 }

function powerpress_get_term_by_ttid($ttid, $output = OBJECT, $filter = 'raw')
{
    global $wpdb;
    $value = intval($ttid);
    $field = 'tt.term_taxonomy_id';
    $term = $wpdb->get_row($wpdb->prepare("SELECT t.*, tt.* FROM {$wpdb->terms} AS t INNER JOIN {$wpdb->term_taxonomy} AS tt ON t.term_id = tt.term_id WHERE {$field} = %s LIMIT 1", $value));
    if (!$term) {
        return false;
    }
    $taxonomy = $term->taxonomy;
    wp_cache_add($term->term_id, $term, $taxonomy);
    /** This filter is documented in wp-includes/taxonomy.php */
    $term = apply_filters('get_term', $term, $taxonomy);
    /** This filter is documented in wp-includes/taxonomy.php */
    $term = apply_filters("get_{$taxonomy}", $term, $taxonomy);
    $term = sanitize_term($term, $taxonomy, $filter);
    if ($output == OBJECT) {
        return $term;
    } elseif ($output == ARRAY_A) {
        return get_object_vars($term);
    } elseif ($output == ARRAY_N) {
        return array_values(get_object_vars($term));
    } else {
        return $term;
    }
}

 public static function loadAllOptions()
 {
     global $wpdb;
     $options = wp_cache_get('alloptions', 'wordfence');
     if (!$options) {
         $table = self::table();
         self::updateTableExists();
         $suppress = $wpdb->suppress_errors();
         if (!($rawOptions = $wpdb->get_results("SELECT name, val FROM {$table} WHERE autoload = 'yes'"))) {
             $rawOptions = $wpdb->get_results("SELECT name, val FROM {$table}");
         }
         $wpdb->suppress_errors($suppress);
         $options = array();
         foreach ((array) $rawOptions as $o) {
             if (in_array($o->name, self::$serializedOptions)) {
                 $val = maybe_unserialize($o->val);
                 if ($val) {
                     $options[$o->name] = $val;
                 }
             } else {
                 $options[$o->name] = $o->val;
             }
         }
         wp_cache_add_non_persistent_groups('wordfence');
         wp_cache_add('alloptions', $options, 'wordfence');
     }
     return $options;
 }

 function widget($args, $instance)
 {
     $cache = wp_cache_get('widget_page_content', 'widget');
     if (!is_array($cache)) {
         $cache = array();
     }
     if (isset($cache[$args['widget_id']])) {
         echo $cache[$args['widget_id']];
         return;
     }
     ob_start();
     extract($args);
     $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title']);
     echo $before_widget;
     if ($title) {
         echo $before_title . $title . $after_title;
     }
     global $post;
     $content = apply_filters('the_content', $post->post_content);
     $content = str_replace(']]>', ']]>', $content);
     echo $content;
     echo $after_widget;
     $cache[$args['widget_id']] = ob_get_flush();
     wp_cache_add('widget_recent_posts', $cache, 'widget');
 }

function get_topic($id, $cache = true)
{
    global $bbdb;
    if (!is_numeric($id)) {
        list($slug, $sql) = bb_get_sql_from_slug('topic', $id);
        $id = wp_cache_get($slug, 'bb_topic_slug');
    }
    // not else
    if (is_numeric($id)) {
        $id = (int) $id;
        $sql = "topic_id = {$id}";
    }
    if (0 === $id || !$sql) {
        return false;
    }
    // &= not =&
    $cache &= 'AND topic_status = 0' == ($where = apply_filters('get_topic_where', 'AND topic_status = 0'));
    if (($cache || !$where) && is_numeric($id) && false !== ($topic = wp_cache_get($id, 'bb_topic'))) {
        return $topic;
    }
    // $where is NOT bbdb:prepared
    $topic = $bbdb->get_row("SELECT * FROM {$bbdb->topics} WHERE {$sql} {$where}");
    $topic = bb_append_meta($topic, 'topic');
    if ($cache) {
        wp_cache_set($topic->topic_id, $topic, 'bb_topic');
        wp_cache_add($topic->topic_slug, $topic->topic_id, 'bb_topic_slug');
    }
    return $topic;
}

 static function get_data_by($field, $value)
 {
     if ('id' == $field) {
         if (!is_numeric($value)) {
             return false;
         }
         $value = intval($value);
         if ($value < 1) {
             return false;
         }
     } else {
         $value = trim($value);
     }
     if (!$value) {
         return false;
     }
     switch ($field) {
         case 'id':
             $custom_field_id = $value;
             $db_field = 'id';
             break;
         default:
             return false;
     }
     if (false !== $custom_field_id) {
         if ($custom_field = wp_cache_get($custom_field_id, 'yop_poll_custom_field')) {
             return $custom_field;
         }
     }
     if (!($custom_field = $GLOBALS['wpdb']->get_row($GLOBALS['wpdb']->prepare("SELECT\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t*\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t FROM\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t{$GLOBALS['wpdb']->yop_poll_custom_fields}\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t WHERE\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t{$db_field} = %s", $value)))) {
         return false;
     }
     wp_cache_add($custom_field->ID, $custom_field, 'yop_poll_custom_field');
     return $custom_field;
 }