PHP cache_read函数代码示例

 function getCacheTypes()
 {
     if (!isset($_PB_CACHE['newstype'])) {
         $_PB_CACHE['newstype'] = cache_read("type", "newstype");
     }
     return $_PB_CACHE['newstype'];
 }

 function Search($firstcount, $displaypg)
 {
     global $cache_types;
     uses("space", "industry", "area");
     $space = new Space();
     $area = new Areas();
     $industry = new Industries();
     $cache_options = cache_read('typeoption');
     $area_s = $space->array_multi2single($area->getCacheArea());
     $industry_s = $space->array_multi2single($industry->getIndustry());
     $result = $this->findAll("*,name AS title,description AS digest", null, null, $this->orderby, $firstcount, $displaypg);
     if (!isset($_PB_CACHE['membergroup'])) {
         require CACHE_PATH . "cache_membergroup.php";
     }
     while (list($keys, $values) = each($result)) {
         $r = array();
         $result[$keys]['pubdate'] = df($values['created']);
         $result[$keys]['typename'] = $cache_options['manage_type'][$values['manage_type']];
         $result[$keys]['thumb'] = $result[$keys]['logo'] = pb_get_attachmenturl($values['picture'], '', 'small');
         $result[$keys]['gradeimg'] = URL . 'images/group/' . $_PB_CACHE['membergroup'][$result[$keys]['cache_membergroupid']]['avatar'];
         $result[$keys]['gradename'] = $_PB_CACHE['membergroup'][$result[$keys]['cache_membergroupid']]['name'];
         if (!empty($result[$keys]['area_id'])) {
             $r[] = $area_s[$result[$keys]['area_id']];
         }
         if (!empty($result[$keys]['industry_id'])) {
             $r[] = $industry_s[$result[$keys]['industry_id']];
         }
         $r[] = L("integrity_index", "tpl") . "(" . $result[$keys]['cache_credits'] . ")";
         if (!empty($r)) {
             $result[$keys]['extra'] = implode(" - ", $r);
         }
         $result[$keys]['url'] = $space->rewrite($values['member_id'], $values['id']);
     }
     return $result;
 }

 function index()
 {
     global $viewhelper;
     $conditions = array();
     $viewhelper->setTitle(L("announce", "tpl"));
     $types = cache_read("type");
     $viewhelper->setPosition(L("announce", "tpl"), "index.php?do=announce");
     if (!empty($_GET['typeid'])) {
         $conditions[] = "announcetype_id=" . intval($_GET['typeid']);
     }
     $result = $this->announcement->findAll("*", null, $conditions, "display_order ASC,id DESC");
     if (!empty($result)) {
         for ($i = 0; $i < count($result); $i++) {
             if (!empty($result[$i]['created'])) {
                 $result[$i]['pubdate'] = date("Y-m-d", $result[$i]['created']);
                 $result[$i]['title'] = pb_lang_split($result[$i]['subject']);
                 $result[$i]['typename'] = $types['announcementtype'][$result[$i]['announcetype_id']];
                 $result[$i]['type_id'] = $result[$i]['announcetype_id'];
             }
         }
         setvar("module", "announce");
         setvar("items", $result);
     }
     render("list.default", true);
 }

 function detail()
 {
     require CACHE_COMMON_PATH . "cache_type.php";
     $_PB_CACHE['area'] = cache_read("area");
     $_PB_CACHE['industry'] = cache_read("industry");
     if (isset($_GET['title'])) {
         $title = trim($_GET['title']);
         $res = $this->expo->findByName($title);
         $id = $res['id'];
     }
     if (isset($_GET['id'])) {
         $id = intval($_GET['id']);
     }
     if (!$this->expo->checkExist($id, true)) {
         flash("data_not_exists");
     }
     $info = $this->expo->info;
     $this->view_helper->setPosition(L("fair", "tpl"));
     if (!empty($info)) {
         $info['typename'] = $_PB_CACHE['expotype'][$info['expotype_id']];
         $this->view_helper->setTitle($info['typename']);
         $this->view_helper->setPosition($info['typename'], 'index.php?do=fair&action=lists&typeid=' . $info['expotype_id']);
         $this->view_helper->setTitle($info['name']);
         $this->view_helper->setPosition($info['name']);
         $result = $this->expo->dbstuff->GetArray("SELECT c.name,c.id,c.cache_spacename AS userid FROM {$this->expo->table_prefix}expomembers em LEFT JOIN {$this->expo->table_prefix}companies c ON c.id=em.company_id WHERE c.status=1");
         $result = pb_lang_split_recursive($result);
         $info = pb_lang_split_recursive($info);
         if (!empty($result)) {
             setvar("Items", $result);
         }
         setvar("item", $info);
     }
     render("fair/detail");
 }

 function Search($firstcount, $displaypg)
 {
     global $cache_types;
     uses("space", "industry", "area");
     $space = new Space();
     $area = new Areas();
     $industry = new Industries();
     $cache_options = cache_read('typeoption');
     $area_s = $space->array_multi2single($area->getCacheArea());
     $industry_s = $space->array_multi2single($area->getCacheArea());
     $result = $this->findAll("*,name AS title,content AS digest", null, null, $this->orderby, $firstcount, $displaypg);
     while (list($keys, $values) = each($result)) {
         $result[$keys]['typename'] = $cache_types['productsort'][$values['sort_id']];
         $result[$keys]['thumb'] = pb_get_attachmenturl($values['picture'], '', 'small');
         $result[$keys]['pubdate'] = df($values['begin_time']);
         if (!empty($result[$keys]['area_id'])) {
             $r1 = $area_s[$result[$keys]['area_id']];
         }
         if (!empty($result[$keys]['cache_companyname'])) {
             $r2 = "<a href='" . $space->rewrite($result[$keys]['cache_companyname'], $result[$keys]['company_id']) . "'>" . $result[$keys]['cache_companyname'] . "</a>";
         }
         if (!empty($r1) || !empty($r2)) {
             $result[$keys]['extra'] = implode(" - ", array($r1, $r2));
         }
         $result[$keys]['url'] = $this->getPermaLink($values['id']);
     }
     return $result;
 }

/**
 * 读取缓存，并将缓存加载至 $_W 全局变量中
 * @param string $key 缓存键名，如果键名以:结束，则做为分组名称读取所有缓存
 *
 */
function cache_load($key, $unserialize = false)
{
    global $_W;
    if (substr($key, -1) == ':') {
        $data = cache_search($key);
        foreach ($data as $k => $v) {
            $tmp =& cache_global($k);
            $tmp = $unserialize ? iunserializer($v) : $v;
        }
        return cache_global($key);
    } else {
        $data = cache_read($key);
        if ($key == 'setting') {
            $_W['setting'] = $data;
            return $_W['setting'];
        } elseif ($key == 'modules') {
            $_W['modules'] = $data;
            return $_W['modules'];
        } else {
            $tmp =& cache_global($key);
            $tmp = $unserialize ? iunserializer($data) : $data;
            return $unserialize ? iunserializer($data) : $data;
        }
    }
}

 function getAttributes($attribute_ids = 0, $form_id = 1)
 {
     $_PB_CACHE['form'] = cache_read("form");
     $result = $data = array();
     $condition = null;
     $data = $_PB_CACHE['form'][$form_id];
     if (!empty($attribute_ids)) {
         if (is_array($attribute_ids)) {
             $tmp = implode(",", $attribute_ids);
             $tmp = "id IN (" . $tmp . ")";
         } else {
             $tmp = "id=" . intval($attribute_ids);
         }
         $condition = " WHERE " . $tmp;
         $sql = "SELECT id,form_id,formitem_id,attribute FROM {$this->table_prefix}formattributes{$condition}";
         $result = $this->dbstuff->GetArray($sql);
     }
     if (!empty($result)) {
         foreach ($result as $key => $val) {
             $tmp_result[$val['formitem_id']] = $val['attribute'];
         }
         foreach ($data as $key => $val) {
             if (!empty($tmp_result[$key])) {
                 $data[$key]['value'] = $tmp_result[$key];
             }
         }
     }
     return $data;
 }

 function get_list($condition = '1', $order = 'listorder DESC, itemid DESC')
 {
     global $MODULE, $MOD, $pages, $page, $pagesize, $offset, $sum;
     if ($page > 1 && $sum) {
         $items = $sum;
     } else {
         $r = $this->db->get_one("SELECT COUNT(*) AS num FROM {$this->table} WHERE {$condition}");
         $items = $r['num'];
     }
     $pages = pages($items, $page, $pagesize);
     $GROUP = cache_read('group.php');
     $lists = array();
     $result = $this->db->query("SELECT * FROM {$this->table} WHERE {$condition} ORDER BY {$order} LIMIT {$offset},{$pagesize}");
     while ($r = $this->db->fetch_array($result)) {
         $r['adddate'] = timetodate($r['addtime'], 5);
         $r['thumb'] = is_file(DT_ROOT . '/' . $MODULE[4]['moduledir'] . '/skin/' . $r['skin'] . '/thumb.gif') ? $MODULE[4]['linkurl'] . 'skin/' . $r['skin'] . '/thumb.gif' : $MODULE[4]['linkurl'] . 'image/nothumb.gif';
         $groupid = explode(',', substr($r['groupid'], 1, -1));
         $group = array();
         foreach ($groupid as $gid) {
             $group[] = $GROUP[$gid]['groupname'];
         }
         $r['group'] = implode('<br/>', $group);
         $lists[] = $r;
     }
     return $lists;
 }

 function setNames()
 {
     if (func_num_args() < 1) {
         return;
     }
     $return = array();
     $_PB_CACHE['industry'] = cache_read("industry");
     $args = func_get_args();
     foreach ($args as $key => $val) {
         $return[] = isset($_PB_CACHE['industry'][$val]) ? $_PB_CACHE['industry'][$val] : '';
     }
     $this->names = $return;
 }

function cache_load($key, $unserialize = false)
{
    global $_W;
    $data = $_W['cache'][$key] = cache_read($key);
    if ($key == 'setting') {
        $_W['setting'] = $data;
        return $_W['setting'];
    } elseif ($key == 'modules') {
        $_W['modules'] = $data;
        return $_W['modules'];
    } else {
        return $unserialize ? iunserializer($data) : $data;
    }
}

 function set($post)
 {
     global $MOD, $DT_TIME, $DT_IP, $AREA, $_username, $_userid;
     $AREA or $AREA = cache_read('area.php');
     $post['city'] or $post['city'] = $post['areaid'] ? $AREA[$post['areaid']]['areaname'] : '';
     is_url($post['thumb']) or $post['thumb'] = '';
     $post['filepath'] = isset($post['filepath']) && is_filepath($post['filepath']) ? file_vname($post['filepath']) : '';
     $post['addtime'] = isset($post['addtime']) && $post['addtime'] ? strtotime($post['addtime']) : $DT_TIME;
     $post['edittime'] = $DT_TIME;
     $post['fromtime'] = strtotime($post['fromtime'] . ' 0:0:0');
     $post['totime'] = strtotime($post['totime'] . ' 23:59:59');
     $post['homepage'] = fix_link($post['homepage']);
     $post['sign'] = $post['sign'] ? 1 : 0;
     $post['fee'] = dround($post['fee']);
     $post['content'] = stripslashes($post['content']);
     $post['content'] = save_local($post['content']);
     if ($MOD['clear_link']) {
         $post['content'] = clear_link($post['content']);
     }
     if ($MOD['save_remotepic']) {
         $post['content'] = save_remote($post['content']);
     }
     if ($MOD['introduce_length']) {
         $post['introduce'] = addslashes(get_intro($post['content'], $MOD['introduce_length']));
     }
     if ($this->itemid) {
         $post['editor'] = $_username;
         $new = $post['content'];
         if ($post['thumb']) {
             $new .= '<img src="' . $post['thumb'] . '"/>';
         }
         $r = $this->get_one();
         $old = $r['content'];
         if ($r['thumb']) {
             $old .= '<img src="' . $r['thumb'] . '"/>';
         }
         delete_diff($new, $old);
     } else {
         $post['username'] = $post['editor'] = $_username;
         $post['ip'] = $DT_IP;
     }
     $content = $post['content'];
     unset($post['content']);
     $post = dhtmlspecialchars($post);
     $post['content'] = addslashes(dsafe($content));
     return array_map("trim", $post);
 }

 private function getJsApiTicket()
 {
     $ticket = cache_read("js_api_ticket");
     if (empty($ticket) || $ticket["time"] <= time()) {
         $token = $this->getWxAccessToken();
         if (!empty($token)) {
             $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={$token}&type=jsapi";
             $js_token = ihttp_request($url);
             if (!empty($js_token)) {
                 $content = @json_decode($js_token['content'], true);
                 $ticket = array("ticket" => $content["ticket"], "time" => TIMESTAMP + $content["expires_in"]);
                 cache_write("js_api_ticket", $ticket);
             }
         }
     }
     return $ticket["ticket"];
 }

 function getUsergroups($type = 'all')
 {
     //system,special,define
     $return = array();
     $G['membergroup'] = cache_read("membergroup");
     $typeid = strval($type);
     foreach ($G['membergroup'] as $key => $val) {
         if ($typeid == 'all') {
             $return[$key] = $val['name'];
         } else {
             if ($typeid == $val['type']) {
                 $return[$key] = $val['name'];
             }
         }
     }
     ksort($return);
     return $return;
 }

 function getInfoById($member_id)
 {
     $tmp_img = null;
     $G['membergroup'] = cache_read("membergroup");
     $G['trusttype'] = cache_read("trusttype");
     $result = array();
     $sql = "SELECT m.*,mf.* FROM {$this->table_prefix}members m LEFT JOIN {$this->table_prefix}memberfields mf ON mf.member_id=m.id WHERE m.id='{$member_id}'";
     $result = $this->dbstuff->GetRow($sql);
     if (!empty($result)) {
         if (isset($result['link_man'])) {
             $result['link_people'] = $result['link_man'];
         }
         $result['groupname'] = $G['membergroup'][$result['membergroup_id']]['name'];
         $result['groupimage'] = STATICURL . "images/group/" . $G['membergroup'][$result['membergroup_id']]['avatar'];
         if (!empty($result['trusttype_ids'])) {
             $tmp_str = explode(",", $result['trusttype_ids']);
             foreach ($tmp_str as $key => $val) {
                 $tmp_img .= "<img src=\"" . STATICURL . "images/icon/" . $G['trusttype'][$val]['avatar'] . "\" alt=\"" . $G['trusttype'][$val]['name'] . "\" />";
             }
             $result['trust_image'] = $tmp_img;
         }
     }
     return $result;
 }

 /**
  * open(host, port);
  * @return: true if connection was successful, false otherwise
  */
 function open($host, $port)
 {
     $conn_status = 1;
     if (function_exists("cache_assign_key")) {
         // checkig if we had a successful connection with the same server and the same port
         // whithin the last GEKKO_REMOTE_TIMEOUT seconds
         $key = cache_assign_key($host, $port);
         if (($life = cache_check_life($key)) !== false && time() - $life < GEKKO_REMOTE_CONN_CACHE_LIFE) {
             // if we had a successful connection we put a 1 in a cached file, this is for
             // avoiding wasting time trying to connect to a specific server when it is not
             // responding, we can check it later
             cache_read($key, $conn_status);
         }
     }
     // trying to connect if the last try was successful of if this is the first
     if ($conn_status) {
         $this->socket = @fsockopen($host, $port, $this->errno, $this->errstr, GEKKO_REMOTE_CONN_TIMEOUT);
     }
     // saving connection status
     if (function_exists("cache_save") && $conn_status != $this->status()) {
         cache_save($key, intval($this->status()));
     }
     return $conn_status ? $this->status() : false;
 }