<h2>File Contents: /home/planet5/public_html/4xpips.net/secure/library/Am/copy_of_Di.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/public_html/4xpips.net/secure/library/Am/copy_of_Di.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

/**
 * Dependency injector - holds references to &quot;global&quot; objects
 * @package Am_Utils
 * @property Am_Interval $interval
 * @property DbSimple_MyPdo $db database
 * @property Am_Crypt $crypt crypt class
 * @property Am_Hook $hook hook manager
 * @property Am_Blocks $blocks blocks - small template pieces to insert
 * @property Am_Config $config configuration
 * @property Am_Auth_User $auth user-side authentication
 * @property User $user currently authenticated customer or throws exception if no auth
 * @property Am_Auth_Admin $authAdmin admin-side authentication
 * @property Am_Paysystem_List $paysystemList list of paysystems
 * @property Am_Store $store permanent data storage
 * @property Am_StoreRebuild $storeRebuild permanent data storage
 * @property Am_Upload_Acl $uploadAcl upload acl list
 * @property Am_Recaptcha $recaptcha Re-Captcha API
 * @property Am_Navigation_UserTabs $navigationUserTabs User Tabs in Admin CP
 * @property Am_Navigation_UserTabs $navigationAdmin Admin Menu
 * @property Am_Navigation_UserTabs $navigationUser Member Page menu
 * @property Am_Theme $theme User-side theme 
 * @property array $viewPath paths to templates
 * @property ArrayObject $plugins modules, misc, payment, protect,storage
 * @property Am_Plugins $modules
 * @property Am_Plugins $plugins_protect
 * @property Am_Plugins $plugins_payment
 * @property Am_Plugins $plugins_misc
 * @property Am_Plugins $plugins_tax (new plugins to this array may be added via &quot;misc&quot; plugins)
 * @property Am_Plugins_Storage $plugins_storage
 * @property array $languagesListUser list of available languages -&gt; their self-names
 * @property array $languagesListAdmin list of available languages -&gt; their self-names
 * @property Zend_Cache_Backend $cacheBackend cache backend
 * @property Zend_Cache_Core $cache cache
 * @property Zend_Cache_Frontend_Function $cacheFunction cache function call results
 * @property Am_App $app application-specific routines
 * @property Am_Locale $locale locale
 * @property Am_Request $request current request
 * @property Am_View $view view object (not shared! each call returns new instance)
 * @property Am_Mail $mail mail object (not shared! each call returns new instance)
 
 * @property int $time current time (timestamp)
 * @property string $sqlDate current date in SQL format yyyy-mm-dd
 * @property string $sqlDateTime current datetime in SQL format yyyy-mm-dd hh:ii:ss
 * 
 * @property DateTime $dateTime current DateTime object with default timezone (created from @link time)
 * 
 * /// tables
 * @property AccessLogTable $accessLogTable
 * @property AccessTable $accessTable
 * @property AdminLogTable $adminLogTable
 * @property AdminTable $adminTable
 * @property BanTable $banTable
 * @property BillingPlanTable $billingPlanTable
 * @property CcRecordTable $CcRecordTable
 * @property CcRebillTable $ccRebillTable
 * @property CountryTable $countryTable
 * @property CouponBatchTable $couponBatchTable
 * @property CouponTable $couponTable
 * @property CurrencyExchangeTable $currencyExchangeTable
 * @property EmailSentTable $emailSentTable
 * @property EmailTemplateTable $emailTemplateTable
 * @property ErrorLogTable $errorLogTable
 * @property FileTable $fileTable
 * @property FileDownloadTable $fileDownloadTable
 * @property FolderTable $folderTable
 * @property IntegrationTable $integrationTable
 * @property InvoiceItemTable $invoiceItemTable
 * @property InvoiceLogTable $invoiceLogTable
 * @property InvoicePaymentTable $invoicePaymentTable
 * @property InvoiceRefundTable $invoiceRefundTable
 * @property InvoiceTable $invoiceTable
 * @property LinkTable $linkTable
 * @property MailQueueTable $mailQueueTable
 * @property PageTable $pageTable
 * @property ProductCategoryTable $productCategoryTable
 * @property ProductTable $productTable
 * @property ProductUpgradeTable $productUpgradeTable
 * @property ResourceAccessTable $resourceAccessTable
 * @property SavedFormTable $savedFormTable
 * @property SavedReportTable $savedReportTable
 * @property SavedPassTable $savedPassTable
 * @property StateTable $stateTable
 * @property TranslationTable $translationTable
 * @property UploadTable $uploadTable
 * @property UserGroupTable $userGroupTable
 * @property UserStatusTable $userStatusTable
 * @property UserTable $userTable
 * /// affiliate module tables
 * @property AffBannerTable $affBannerTable
 * @property AffClickTable $affClickTable
 * @property AffCommissionRuleTable $affCommissionRuleTable
 * @property AffCommissionTable $affCommissionTable
 * @property AffLeadTable $affLeadTable
 * @property AffPayoutDetailTable $affPayoutDetailTable
 * @property AffPayoutTable $affPayoutTable
 * // helpdesk
 * @property HelpdeskMessageTable $helpdeskMessageTable
 * @property HelpdeskTicketTable $helpdeskTicketTable
 * @property HelpdeskSnippetTable $helpdeskSnippetTable
 * // newsletter
 * @property NewsletterListTable $newsletterListTable
 * @property NewsletterUserSubscriptionTable $newsletterUserSubscriptionTable
 * 
 * @property-read Access $accessRecord creates new record on each access!
 * @property-read AccessLog $accessLogRecord creates new record on each access!
 * @property-read Admin $adminRecord creates new record on each access!
 * @property-read AdminLog $adminLogRecord creates new record on each access!
 * @property-read AffBanner $affBannerRecord creates new record on each access!
 * @property-read AffClick $affClickRecord creates new record on each access!
 * @property-read AffCommission $affCommissionRecord creates new record on each access!
 * @property-read AffCommissionRule $affCommissionRuleRecord creates new record on each access!
 * @property-read AffLead $affLeadRecord creates new record on each access!
 * @property-read AffPayout $affPayoutRecord creates new record on each access!
 * @property-read AffPayoutDetail $affPayoutDetailRecord creates new record on each access!
 * @property-read Ban $banRecord creates new record on each access!
 * @property-read BillingPlan $billingPlanRecord creates new record on each access!
 * @property-read CcRecord $CcRecordRecord creates new record on each access!
 * @property-read CcRebill $ccRebillRecord creates new record on each access!
 * @property-read Country $countryRecord creates new record on each access!
 * @property-read Coupon $couponRecord creates new record on each access!
 * @property-read CouponBatch $couponBatchRecord creates new record on each access!
 * @property-read CurrencyExchange $currencyExchangeRecord creates new record on each access!
 * @property-read EmailSent $emailSentRecord creates new record on each access!
 * @property-read EmailTemplate $emailTemplateRecord creates new record on each access!
 * @property-read ErrorLog $errorLogRecord creates new record on each access!
 * @property-read File $fileRecord creates new record on each access!
 * @property-read FileDownload $fileDownloadRecord creates new record on each access!
 * @property-read Folder $folderRecord creates new record on each access!
 * @property-read HelpdeskMessage $helpdeskMessageRecord creates new record on each access!
 * @property-read HelpdeskTicket $helpdeskTicketRecord creates new record on each access!
 * @property-read HelpdeskSnippet $helpdeskSnippetRecord creates new record on each access!
 * @property-read Integration $integrationRecord creates new record on each access!
 * @property-read InviteCampaign $inviteCampaignRecord creates new record on each access!
 * @property-read InviteCode $inviteCodeRecord creates new record on each access!
 * @property-read Invoice $invoiceRecord creates new record on each access!
 * @property-read InvoiceItem $invoiceItemRecord creates new record on each access!
 * @property-read InvoiceLog $invoiceLogRecord creates new record on each access!
 * @property-read InvoicePayment $invoicePaymentRecord creates new record on each access!
 * @property-read InvoiceRefund $invoiceRefundRecord creates new record on each access!
 * @property-read Link $linkRecord creates new record on each access!
 * @property-read MailQueue $mailQueueRecord creates new record on each access!
 * @property-read NewsletterList $newsletterListRecord creates new record on each access!
 * @property-read NewsletterUserSubscription $newsletterUserSubscriptionRecord creates new record on each access!
 * @property-read Page $pageRecord creates new record on each access!
 * @property-read Product $productRecord creates new record on each access!
 * @property-read ProductCategory $productCategoryRecord creates new record on each access!
 * @property-read ProductUpgrade $productUpgradeRecord creates new record on each access!
 * @property-read ResourceAbstract $resourceAbstractRecord creates new record on each access!
 * @property-read ResourceAccess $resourceAccessRecord creates new record on each access!
 * @property-read SavedForm $savedFormRecord creates new record on each access!
 * @property-read SavedReport $savedReportRecord creates new record on each access!
 * @property-read SavedPass $savedPassRecord creates new record on each access!
 * @property-read State $stateRecord creates new record on each access!
 * @property-read Translation $translationRecord creates new record on each access!
 * @property-read Upload $uploadRecord creates new record on each access!
 * @property-read User $userRecord creates new record on each access!
 * @property-read UserGroup $userGroupRecord creates new record on each access!
 * @property-read UserStatus $userStatusRecord creates new record on each access!
 * 
 */
class Am_Di extends sfServiceContainerBuilder
{
    static $instance;
    
    function init()
    {
        $this-&gt;register(&#039;crypt&#039;, &#039;Am_Crypt_Strong&#039;)
            -&gt;addMethodCall(&#039;checkKeyChanged&#039;);
        $this-&gt;register(&#039;hook&#039;, &#039;Am_Hook&#039;)
            -&gt;addArgument($this-&gt;getService(&#039;service_container&#039;));
        $this-&gt;register(&#039;config&#039;, &#039;Am_Config&#039;)
            -&gt;addMethodCall(&#039;read&#039;);
        $this-&gt;register(&#039;paysystemList&#039;, &#039;Am_Paysystem_List&#039;)
            -&gt;addArgument(new sfServiceReference(&#039;service_container&#039;));
        $this-&gt;register(&#039;store&#039;, &#039;Am_Store&#039;);
        $this-&gt;register(&#039;storeRebuild&#039;, &#039;Am_StoreRebuild&#039;);
        $this-&gt;register(&#039;uploadAcl&#039;, &#039;Am_Upload_Acl&#039;);
        $this-&gt;register(&#039;recaptcha&#039;, &#039;Am_Recaptcha&#039;);
        $this-&gt;register(&#039;request&#039;, &#039;Am_Request&#039;);
        $this-&gt;register(&#039;mail&#039;, &#039;Am_Mail&#039;);
        $this-&gt;register(&#039;view&#039;, &#039;Am_View&#039;)
            -&gt;addArgument(new sfServiceReference(&#039;service_container&#039;))
            -&gt;setShared(false);
        $this-&gt;register(&#039;blocks&#039;, &#039;Am_Blocks&#039;);
        $this-&gt;register(&#039;navigationUserTabs&#039;, &#039;Am_Navigation_UserTabs&#039;)
            -&gt;addMethodCall(&#039;addDefaultPages&#039;);
        $this-&gt;register(&#039;navigationUser&#039;, &#039;Am_Navigation_User&#039;)
            -&gt;addMethodCall(&#039;addDefaultPages&#039;);
        $this-&gt;register(&#039;navigationAdmin&#039;, &#039;Am_Navigation_Admin&#039;)
            -&gt;addMethodCall(&#039;addDefaultPages&#039;);
        
        $this-&gt;register(&#039;invoice&#039;, &#039;Invoice&#039;)-&gt;setShared(false);
        
        $this-&gt;setServiceDefinition(&#039;TABLE&#039;, new sfServiceDefinition(&#039;Am_Table&#039;,
            array(new sfServiceReference(&#039;db&#039;))))
            -&gt;addMethodCall(&#039;setDi&#039;, array($this));
        $this-&gt;setServiceDefinition(&#039;RECORD&#039;, new sfServiceDefinition(&#039;Am_Record&#039;))
            -&gt;setShared(false); // new object created on each access !

        $this-&gt;setServiceDefinition(&#039;modules&#039;, new sfServiceDefinition(&#039;Am_Plugins&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;),
                &#039;modules&#039;, APPLICATION_PATH, &#039;Bootstrap_%s&#039;, &#039;%2$s&#039;, array(&#039;%s/Bootstrap.php&#039;))))
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;Enabled Modules&#039;));
        $this-&gt;setServiceDefinition(&#039;plugins_protect&#039;, new sfServiceDefinition(&#039;Am_Plugins&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;), 
                &#039;protect&#039;, APPLICATION_PATH . &#039;/default/plugins/protect&#039;, &#039;Am_Protect_%s&#039;)))
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;Integration&#039;));
        $this-&gt;setServiceDefinition(&#039;plugins_payment&#039;, new sfServiceDefinition(&#039;Am_Plugins&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;), 
                &#039;payment&#039;, APPLICATION_PATH . &#039;/default/plugins/payment&#039;, &#039;Am_Paysystem_%s&#039;)))
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;Payment&#039;));
        $this-&gt;setServiceDefinition(&#039;plugins_misc&#039;, new sfServiceDefinition(&#039;Am_Plugins&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;), 
                &#039;misc&#039;, APPLICATION_PATH . &#039;/default/plugins/misc&#039;, &#039;Am_Plugin_%s&#039;)))
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;Other&#039;));
        $this-&gt;setServiceDefinition(&#039;plugins_storage&#039;, new sfServiceDefinition(&#039;Am_Plugins_Storage&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;), 
                &#039;storage&#039;, APPLICATION_PATH . &#039;/default/plugins/storage&#039;, &#039;Am_Storage_%s&#039;)))
            -&gt;setFile(&#039;Am/Storage.php&#039;)
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;File Storage&#039;));
        $this-&gt;setServiceDefinition(&#039;plugins_tax&#039;, new sfServiceDefinition(&#039;Am_Plugins_Tax&#039;, 
            array(new sfServiceReference(&#039;service_container&#039;), 
                &#039;tax&#039;, APPLICATION_PATH . &#039;/default/plugins/misc&#039;, &#039;Am_Invoice_Tax_%s&#039;)))
            -&gt;setFile(&#039;Am/Invoice/Tax.php&#039;)
            -&gt;addMethodCall(&#039;setTitle&#039;, array(&#039;Tax Plugins&#039;));
        
        $this-&gt;register(&#039;cache&#039;, &#039;Zend_Cache_Core&#039;)
            -&gt;addArgument(array(&#039;lifetime&#039;=&gt;3600, &#039;automatic_serialization&#039; =&gt; true))
            -&gt;addMethodCall(&#039;setBackend&#039;, array(new sfServiceReference(&#039;cacheBackend&#039;)));
        $this-&gt;register(&#039;cacheFunction&#039;, &#039;Zend_Cache_Frontend_Function&#039;)
            -&gt;addArgument(array(&#039;lifetime&#039;=&gt;3600))
            -&gt;addMethodCall(&#039;setBackend&#039;, array(new sfServiceReference(&#039;cacheBackend&#039;)));
        
        $this-&gt;register(&#039;app&#039;, &#039;Am_App&#039;)
            -&gt;addArgument(new sfServiceReference(&#039;service_container&#039;));

        $this-&gt;register(&#039;interval&#039;, &#039;Am_Interval&#039;);
    }
    
    function _neverCall_() // expose strings to translation
    {
        ___(&#039;Enabled Modules&#039;);
        ___(&#039;Payment&#039;);
        ___(&#039;Integration&#039;);
        ___(&#039;Other&#039;);
        ___(&#039;File Storage&#039;);
    }
    
    public function getService($id)
    {
        if (empty($this-&gt;services[$id]))
            switch ($id)
            {
                case &#039;time&#039;:
                    return time();
                case &#039;sqlDate&#039;:
                    return date(&#039;Y-m-d&#039;, $this-&gt;time);
                case &#039;sqlDateTime&#039;:
                    return date(&#039;Y-m-d H:i:s&#039;, $this-&gt;time);
                case &#039;dateTime&#039;:
                    $tz = new DateTimeZone(date_default_timezone_get());
                    $d = new DateTime(&#039;@&#039;.$this-&gt;time, $tz);
                    $d-&gt;setTimezone($tz);
                    return $d;
                case &#039;plugins&#039;:
                    $plugins = new ArrayObject();
                    foreach (array(
                        $this-&gt;modules,
                        $this-&gt;plugins_payment,
                        $this-&gt;plugins_protect,
                        $this-&gt;plugins_misc,
                        $this-&gt;plugins_storage,
                    ) as $pl)
                        $plugins[$pl-&gt;getId()] = $pl;
                    $this-&gt;services[$id] = $plugins;
                    return $this-&gt;services[$id];
                default:
            }
        return parent::getService($id);
    }
    protected function getUserService()
    {
        $user = $this-&gt;getService(&#039;auth&#039;)-&gt;getUser();
        if (empty($user))
            throw new Am_Exception_AccessDenied(___(&quot;You must be authorized to access this area&quot;));
        return $user;
    }
    protected function getAuthService()
    {
        if (!isset($this-&gt;services[&#039;auth&#039;]))
        {
            $ns = new Zend_Session_Namespace(&#039;amember_auth&#039;);
            if (Zend_Session::isWritable() &amp;&amp; !empty($this-&gt;services[&#039;config&#039;]))
                $ns-&gt;setExpirationSeconds($this-&gt;config-&gt;get(&#039;login_session_lifetime&#039;, 120) * 60);
            $this-&gt;services[&#039;auth&#039;] = new Am_Auth_User($ns, $this);
        }
        return $this-&gt;services[&#039;auth&#039;];
    }
    protected function getAuthAdminService()
    {
        if (!isset($this-&gt;services[&#039;authAdmin&#039;]))
        {
            $ns = new Zend_Session_Namespace(&#039;amember_admin_auth&#039;);
            $ns-&gt;setExpirationSeconds(3600); // admin session timeout is 1 hour
            $this-&gt;services[&#039;authAdmin&#039;] = new Am_Auth_Admin($ns, $this);
        }
        return $this-&gt;services[&#039;authAdmin&#039;];
    }
    
    protected function getPluginsService()
    {
        return array(
            &#039;modules&#039; =&gt; $this-&gt;modules,
            &#039;protect&#039; =&gt; $this-&gt;plugins_protect,
            &#039;payment&#039; =&gt; $this-&gt;plugins_payment,
            &#039;misc&#039; =&gt; $this-&gt;plugins_misc,
            &#039;storage&#039; =&gt; $this-&gt;plugins_storage,
        );
    }
    public function getDbService()
    {
        static $v;
        if (!empty($v)) return $v;
        $config = $this-&gt;getParameter(&#039;db&#039;);
        try {
            $v = Am_Db::connect($config[&#039;mysql&#039;]);
        } catch (Am_Exception_Db $e) {
            if (APPLICATION_ENV != &#039;debug&#039;)
                amDie(&quot;Error establishing a database connection. Please contact site webmaster if this error does not disappear long time&quot;);
            else 
                throw $e;
        }
        return $v;
    }
    
    public function getLanguagesListUserService()
    {
        return $this-&gt;cacheFunction-&gt;call(array(&#039;Am_Locale&#039;,&#039;getLanguagesList&#039;), array(&#039;user&#039;));
    }
    public function getLanguagesListAdminService()
    {
        return $this-&gt;cacheFunction-&gt;call(array(&#039;Am_Locale&#039;,&#039;getLanguagesList&#039;), array(&#039;admin&#039;));
    }

    public function getCacheBackendService()
    {
        if (!isset($this-&gt;services[&#039;cacheBackend&#039;]))
        {
            $fileBackendOptions = array(&#039;cache_dir&#039; =&gt; DATA_DIR . &#039;/cache&#039;);
            if (extension_loaded(&#039;xcache&#039;) &amp;&amp; ini_get(&#039;xcache.var_size&#039;)&gt;0)
                $this-&gt;services[&#039;cacheBackend&#039;] = Zend_Cache::_makeBackend(&#039;Xcache&#039;, array());
            elseif (is_writeable($fileBackendOptions[&#039;cache_dir&#039;]))
                $this-&gt;services[&#039;cacheBackend&#039;] = Zend_Cache::_makeBackend(&#039;two-levels&#039;, array(
                    &#039;slow_backend&#039; =&gt; &#039;File&#039;,
                    &#039;slow_backend_options&#039; =&gt; $fileBackendOptions,
                    &#039;fast_backend&#039; =&gt; new Am_Cache_Backend_Array(),
                    &#039;auto_refresh_fast_cache&#039; =&gt; true,
                 ));
            else
                $this-&gt;services[&#039;cacheBackend&#039;] = new Am_Cache_Backend_Null();
        }
        return $this-&gt;services[&#039;cacheBackend&#039;];
    }
    
    function getViewPathService()
    {
        if (!isset($this-&gt;services[&#039;viewPath&#039;]))
        {
            if (APPLICATION_ENV == &#039;debug&#039;)
                $theme = $this-&gt;request-&gt;getFiltered(&#039;theme&#039;);
            if (empty($theme))
                $theme = $this-&gt;config-&gt;get(&#039;theme&#039;, &#039;default&#039;);
            
            if (APPLICATION_ENV == &#039;debug&#039;)
                $admin_theme = $this-&gt;request-&gt;getFiltered(&#039;admin_theme&#039;);
            if (empty($admin_theme))
                $admin_theme = $this-&gt;config-&gt;get(&#039;admin_theme&#039;, &#039;default&#039;);

            $ret = array(
                APPLICATION_PATH . &#039;/default/views/&#039;,
            );

            // add module patches now
            foreach ($this-&gt;modules-&gt;getEnabled() as $module)
            {
                if (file_exists($path = APPLICATION_PATH . &#039;/&#039; . $module . &#039;/views&#039;))
                    $ret[] = $path;
            }

            if (($admin_theme != &#039;default&#039;) &amp;&amp; defined(&#039;AM_ADMIN&#039;) &amp;&amp; AM_ADMIN)
                $ret[] = APPLICATION_PATH . &#039;/default/themes-admin/&#039; . $admin_theme;

            if ($theme != &#039;default&#039; &amp;&amp; (!defined(&#039;AM_ADMIN&#039;) || !AM_ADMIN))
                $ret[] = $this-&gt;theme-&gt;getRootDir();
            $this-&gt;services[&#039;viewPath&#039;] = $ret;
        }
        return $this-&gt;services[&#039;viewPath&#039;];
    }
    
    function getThemeService()
    {
        if (!isset($this-&gt;services[&#039;theme&#039;]))
        {
            $theme = $this-&gt;config-&gt;get(&#039;theme&#039;, &#039;default&#039;);
            $admin_theme = $this-&gt;config-&gt;get(&#039;admin_theme&#039;, &#039;default&#039;);
            // create theme obj
            if (file_exists($fn = APPLICATION_PATH . &#039;/default/themes/&#039; . $theme . &#039;/Theme.php&#039;))
                include_once $fn;
            $class = class_exists($c = &#039;Am_Theme_&#039; . ucfirst($theme), false) ? $c : &#039;Am_Theme&#039;;
            $this-&gt;services[&#039;theme&#039;] = new $class($this, $theme, $this-&gt;config-&gt;get(&#039;themes.&#039;.$theme, array()));
        }
        return $this-&gt;services[&#039;theme&#039;];
    }
    
    
    
    //// redefines //////////////
    public function getServiceDefinition($id)
    {
        if (empty($this-&gt;definitions[$id]) &amp;&amp; preg_match(&#039;/^([A-Za-z0-9_]+)Table$/&#039;, $id, $regs))
        {
            $class = ucfirst($id);
            if (class_exists($class, true) &amp;&amp; is_subclass_of($class, &#039;Am_Table&#039;))
            {
                $def = clone $this-&gt;getServiceDefinition(&#039;TABLE&#039;);
                $def-&gt;setClass($class);
                return $def;
            }
        }
        if (empty($this-&gt;definitions[$id]) &amp;&amp; preg_match(&#039;/^([A-Za-z0-9_]+)Record$/&#039;, $id, $regs))
        {
            $class = ucfirst($regs[1]);
            if (class_exists($class, true) &amp;&amp; is_subclass_of($class, &#039;Am_Record&#039;))
            {
                $def = clone $this-&gt;getServiceDefinition(&#039;RECORD&#039;);
                $def-&gt;setClass($class);
                $def-&gt;addArgument(new sfServiceReference($regs[1] . &#039;Table&#039;));
                return $def;
            }
        }
        return parent::getServiceDefinition($id);
    }
    
    /**
     * That must be last &#039;getInstance&#039; shortcut in the code !
     * @return Am_Di
     */
    static function getInstance()
    {
        if (empty(self::$instance))
            self::$instance = new self;
        return self::$instance;
    }
    
    /**
     * for unit testing
     * @access private
     */
    static function _setInstance($instance)
    {
        self::$instance = $instance;
    }
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