97        {
98            $pdoDSN = $config['dbDriver'] . ':dbname=' . $config['dbName'];
99
100            if ($config['dbServer'])
101            {
102                //Server
103                $pdoDSN .= ';host=' . $config['dbServer'];
104            }
105
106            //Connection
107            self::$pdo = new PDO($pdoDSN, $config['dbUser'], $config['dbPassword'], $config['pdoOptions']);
108        }
109        catch (pdoException $pdoException)
110        {
111            self::$benchmarks['connection'] = microtime(true) - self::$benchmarks['connection'];
112            throw $pdoException;
113        }
114
115        self::$benchmarks['connection'] = microtime(true) - self::$benchmarks['connection'];
116        return self::$pdo;
117    }

480
481                    //Create join (only AND conditions)
482                    $query .= 'ON (' . join(' AND ', $conditions[2]) . ')';
483                }
484            }
485        }
486
487        if ($this->where)
488        {
489            //Create where conditions (limits will be placed in another part of query)
490            $query .= ' WHERE ' . self::buildWhere($this->where);
491        }
492
493        if ($this->groupBy)
494        {
495            //Grouping
496            $query .= ' GROUP BY ' . join(',', $this->groupBy);
497        }
498
499        if ($this->having)
500        {

122    static public function callError($event, $data)
123    {
124        if ($data == 'notFound') {
125            //Checking for permanent redirecting
126            $url = explode('/', strtolower(trim(request::$originalURL, '/')));
127
128            //For media
129            if ($url[0] == 'viewmedia' && $url[1] == 'view') {
130                //Media file
131                $mediaURL = dbal::select('publicURL')->from('items')->where('publicID', '=',
132                    $url[2])->where('status', '=', 'active')->makeQuery()->fetchColumn();
133
134                if ($mediaURL) {
135                    header("HTTP/1.1 301 Moved Permanently");
136                    header("Location: " . $mediaURL);
137                    header("Connection: close");
138                    spiralCore::closeOutput(false);
139                }
140            }
141
142            //For media

43     * @static
44     * @param string $event
45     * @param mixed $data
46     */
47    static public function callEvent($event, $data = false)
48    {
49        if (!empty(self::$events[$event]))
50        {
51            foreach (self::$events[$event] as $callback)
52            {
53                $data = call_user_func($callback, $event, $data);
54            }
55
56            spiralDebug && spiralCore::debugMessage("Event $event was successfully processed.");
57        }
58
59        return $data;
60    }
61
62    /**
63     * Adds event callback.

326    {
327        if ($errorType === 'shutdown') {
328            if (!self::shutdown()) {
329                return;
330            }
331
332            $errorType = 'notFound';
333        }
334
335        //Some classes can be connected to catch errors
336        spiralEvents::callEvent('callError', $errorType);
337
338        if (!isset(self::$globalConfig['spiral']['errorHandlers'][$errorType])) {
339            //Unspecified error
340            self::closeOutput(null);
341        }
342
343        $errorHandler = self::$globalConfig['spiral']['errorHandlers'][$errorType];
344
345        if ($errorHandler['header']) {
346            header($errorHandler['header'], true, $errorHandler['httpCode']);

268            return;
269        }
270
271        /**
272         * Class path wasn't cached, we should find it, and allocate is it instance of spiralAlias.
273         */
274        $result = [self::findClass($name), false];
275
276        if (!$result[0]) {
277            if (mb_strpos($name, 'action') === 0) {
278                spiralCore::callError('notFound');
279            }
280            throw new spiralException("Unable to load class '$name', no route found to declaration.");
281        }
282
283        require $result[0];
284        spiralDebug && spiralCore::debugMessage("Declaration file '" . $result[0] . "' was successfully loaded for class '$name' (no loadmap).");
285
286        if (!class_exists($name, false)) {
287            throw new spiralException("Unable to load class '$name', required class declaration not found in '$result[0]'.");
288        }
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