Core::__get() - Code Metrics - Inspection of "Support legacy mode. Example: $modx->db->connect()" - evolution-cms/evolution - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — develop ( 6a553b...48041c )

by Agel_Nash
created 2018-06-16 00:33 UTC
Core::__get() A

↳ Parent: Core
Complexity

Conditions	3
Paths	3
Size

Total Lines	15
Code Lines	9
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	3
eloc	9
nc	3
nop	1
dl	0
loc	15
rs	9.4285
c	0
b	0
f	0
<?php namespace EvolutionCMS;

/**
 * @property Mail $mail
 *      $this->loadExtension('MODxMailer');
 * @property Database $db
 *      $this->loadExtension('DBAPI')
 * @property Legacy\PhpCompat $phpcompat
 *      $this->loadExtension('PHPCOMPAT');
 * @property Legacy\Modifiers $filter
 *      $this->loadExtension('MODIFIERS');
 * @property Legacy\ExportSite $export
 *      $this->loadExtension('EXPORT_SITE');
 * @property Support\MakeTable $table
 *      $this->loadExtension('makeTable');
 * @property Legacy\ManagerApi $manager
 *      $this->loadExtension('ManagerAPI');
 * @property Legacy\PasswordHash $phpass
 *      $this->loadExtension('phpass');
 */
class Core implements Interfaces\CoreInterface

{
    /**
     * This is New evolution
     * @var string
     */
    public $apiVersion = '1.0.0';

    /**
     * event object
     * @var Event
     */

    public $event;
    /**
     * event object
     * @var Event
     * @deprecated
     */
    public $Event;

    /**
     * @var array
     */
    public $pluginEvent = array();

    /**
     * @var array
     */
    public $config = array();
    /**
     * @var array
     */
    public $configGlobal = null; // contains backup of settings overwritten by user-settings
    public $rs;

    public $result;
    public $sql;
    public $table_prefix;
    public $debug = false;
    public $documentIdentifier;
    public $documentMethod;
    public $documentGenerated;
    public $documentContent;
    public $documentOutput;
    public $tstart;
    public $mstart;
    public $minParserPasses;
    public $maxParserPasses;
    public $documentObject;
    public $templateObject;
    public $snippetObjects;
    public $stopOnNotice = false;
    public $executedQueries;
    public $queryTime;
    public $currentSnippet;
    public $documentName;
    public $aliases;
    public $visitor;
    public $entrypage;
    public $documentListing;
    /**
     * feed the parser the execution start time
     * @var bool
     */
    public $dumpSnippets = false;
    public $snippetsCode;
    public $snippetsTime = array();
    public $chunkCache;
    public $snippetCache;
    public $contentTypes;
    public $dumpSQL = false;
    public $queryCode;
    public $virtualDir;
    public $placeholders;
    public $sjscripts = array();
    public $jscripts = array();
    public $loadedjscripts = array();
    public $documentMap;
    public $forwards = 3;
    public $error_reporting = 1;
    public $dumpPlugins = false;
    public $pluginsCode;
    public $pluginsTime = array();
    public $pluginCache = array();
    public $aliasListing;
    public $lockedElements = null;
    public $tmpCache = array();
    private $version = array();
    public $extensions = array();
    public $cacheKey = null;
    public $recentUpdate = 0;
    public $useConditional = false;
    protected $systemCacheKey = null;
    public $snipLapCount = 0;
    public $messageQuitCount;
    public $time;
    public $sid;
    private $q;

    public $decoded_request_uri;
    /**
     * @var Legacy\DeprecatedCore
     * @deprecated use ->getDeprecatedCore()
     */
    public $old;

    /**
     * Hold the class instance.
     * @var self
     */
    private static $instance = null;

    private $services;
    private $serviceStore = [];

    /**
     * @var array
     * $this->{$key}
     */
    public $providerAliases = [
        'db' => Interfaces\DatabaseInterface::class,
        'mail' => Interfaces\MailInterface::class,
        'phpcompat' => Interfaces\PhpCompatInterface::class,
        'phpass' => Interfaces\PasswordHashInterface::class,
        'table' => Interfaces\MakeTableInterface::class,
        'export' => Interfaces\ExportSiteInerface::class,
        'manager' => Interfaces\ManagerApiInterface::class,
        'filter' => Interfaces\ModifiersInterface::class
    ];

    /**
     * @var array
     * $this->loadExtension($key)
     */
    public $extensionAlias = [
        'DBAPI' => Interfaces\DatabaseInterface::class,
        'MODxMailer' => Interfaces\MailInterface::class,
        'PHPCOMPAT' => Interfaces\PhpCompatInterface::class,
        'phpass' => Interfaces\PasswordHashInterface::class,
        'makeTable' => Interfaces\MakeTableInterface::class,
        'EXPORT_SITE' => Interfaces\ExportSiteInerface::class,
        'ManagerAPI' => Interfaces\ManagerApiInterface::class,
        'MODIFIERS' => Interfaces\ModifiersInterface::class
    ];

    /**
     * @param array $services
     * @param array $parameters
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     */
    public function __construct(array $services = array())
    {
        self::$instance = $this;
        if (empty($services)) {
            $services   = include EVO_SERVICES_FILE;
$a = "a";
$ab = "ab";
$abc = "abc";
        }
        $this->services     =  $services;
$a = "a";
$ab = "ab";
$abc = "abc";

        $this->initialize();
    }

    /**
     * {@inheritDoc}
     */
    public function getService($name)

    {
        if (!$this->hasService($name)) {
            throw new Exceptions\ServiceNotFoundException('Service not found: '.$name);
        }
        // If we haven't created it, create it and save to store
        if (!isset($this->serviceStore[$name])) {
            $this->serviceStore[$name] = $this->createService($name);
        }
        // Return service from store
        return $this->serviceStore[$name];
    }
    /**
     * {@inheritDoc}
     */
    public function hasService($name)
    {
        return isset($this->services[$name]);
    }

    /**
     * Attempt to create a service.
     *
     * @param string $name The service name.
     *
     * @return mixed The created service.

     *
     * @throws Exceptions\ContainerException On failure.
     */
    private function createService($name)
    {
        $entry = &$this->services[$name];
        if (!is_array($entry) || !isset($entry['class'])) {
            throw new Exceptions\ContainerException($name.' service entry must be an array containing a \'class\' key');
        } elseif (!class_exists($entry['class'])) {
            throw new Exceptions\ContainerException($name.' service class does not exist: '.$entry['class']);
        } elseif (isset($entry['lock'])) {
            throw new Exceptions\ContainerException($name.' contains circular reference');
        }
        $entry['lock'] = true;
        $arguments = isset($entry['arguments']) ? $this->resolveServiceArguments($entry['arguments']) : [];
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $reflector = new \ReflectionClass($entry['class']);
        $service = $reflector->newInstanceArgs($arguments);
        if (isset($entry['calls'])) {
            $this->initializeService($service, $name, $entry['calls']);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }

        if ($alias = $this->checkServiceAlias($name)) {
            $this->{$alias} = $service;
        }

        return $service;
    }

    private function checkServiceAlias($name){
        foreach ($this->providerAliases as $alias => $interface) {
            if($name === $interface) {
                return $alias;
            }
        }

        return false;
    }

    /**
     * Resolve argument definitions into an array of arguments.
     *
     * @param array  $argumentDefinitions The service arguments definition.
     *
     * @return array The service constructor arguments.
     *
     * @throws Exceptions\ContainerException On failure.
     */
    private function resolveServiceArguments(array $argumentDefinitions)
    {
        $arguments = [];
        foreach ($argumentDefinitions as $argumentDefinition) {
            if ($argumentDefinition instanceof Interfaces\ServiceProviderInterface) {
                $argumentServiceName = $argumentDefinition->getName();
                $arguments[] = $this->getService($argumentServiceName);
            } else {
                $arguments[] = $argumentDefinition;
            }
        }
        return $arguments;
    }
    /**
     * Initialize a service using the call definitions.
     *
     * @param object $service         The service.
     * @param string $name            The service name.
     * @param array  $callDefinitions The service calls definition.
     *
     * @throws Exceptions\ContainerException On failure.
     */
    private function initializeService($service, $name, array $callDefinitions)
    {
        foreach ($callDefinitions as $callDefinition) {
            if (!is_array($callDefinition) || !isset($callDefinition['method'])) {
                throw new Exceptions\ContainerException($name.' service calls must be arrays containing a \'method\' key');
            } elseif (!is_callable([$service, $callDefinition['method']])) {
                throw new Exceptions\ContainerException($name.' service asks for call to uncallable method: '.$callDefinition['method']);
            }
            $arguments = isset($callDefinition['arguments']) ? $this->resolveServiceArguments($callDefinition['arguments']) : [];

            call_user_func_array([$service, $callDefinition['method']], $arguments);
        }
    }

    /**
     * @return Database
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getDatabase()
    {
        return $this->getService(Interfaces\DatabaseInterface::class);
    }

    /**
     * @return Mail
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getMail()
    {
        return $this->getService(Interfaces\MailInterface::class);
    }

    /**
     * @return Legacy\PhpCompat
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getPhpCompat()
    {
        return $this->getService(Interfaces\PhpCompatInterface::class);
    }

    /**
     * @return Legacy\PasswordHash
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getPasswordHash()
    {
        return $this->getService(Interfaces\PasswordHashInterface::class);
    }

    /**
     * @return Support\MakeTable
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getMakeTable()
    {
        return $this->getService(Interfaces\MakeTableInterface::class);
    }

    /**
     * @return Legacy\ExportSite
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getExportSite()
    {
        return $this->getService(Interfaces\ExportSiteInerface::class);
    }

    /**
     * @return mixed
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getDeprecatedCore()
    {
        return $this->getService(Interfaces\DeprecatedCoreInterface::class);
    }

    /**
     * @return mixed
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getManagerApi()
    {
        return $this->getService(Interfaces\ManagerApiInterface::class);
    }

    /**
     * @return mixed
     * @throws Exceptions\ServiceNotFoundException
     */
    public function getModifiers()
    {
        return $this->getService(Interfaces\ModifiersInterface::class);
    }

    public function initialize()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->isLoggedIn()) {
            ini_set('display_errors', 1);
        }
        global $database_server;
function myFunction($a, $b) {
    // Do something
}
        if (substr(PHP_OS, 0, 3) === 'WIN' && $database_server === 'localhost') {
            $database_server = '127.0.0.1';
        }
        // events
        $this->event = new Event();
        $this->Event = &$this->event; //alias for backward compatibility

        // set track_errors ini variable
        @ ini_set("track_errors", "1"); // enable error tracking in $php_errormsg
        $this->time = $_SERVER['REQUEST_TIME']; // for having global timestamp

        $this->q = self::_getCleanQueryString();
    }

    final public function __clone()
    {
    }

    /**
     * @param array $services
     * @return self
     */
    public static function getInstance(array $services = array())
    {
        if (self::$instance === null) {
            self::$instance = new static($services);
        }
        return self::$instance;
    }

    /**
     * @param string $name
     * @return mixed|null
     * @throws Exceptions\ServiceNotFoundException
     */
    public function __get($name)
    {
        if (isset($this->providerAliases[$name])) {
            if ($this->getConfig('error_reporting', 0) > 1) {
                trigger_error(
                    'Property $' . $name . ' is deprecated and should no longer be used. ' .
                    'Alternative ->getService(' . $this->providerAliases[$name] . '::class)',
                    E_USER_DEPRECATED
                );
            }
            return $this->getService($this->providerAliases[$name]);
        }

        return null;
    }

    /**
     * @param $method_name
     * @param $arguments
     * @return mixed
     */
    function __call($method_name, $arguments)

    {
        $old = $this->getDeprecatedCore();
        //////////@TODO LOAD DeprecatedCore

        if (method_exists($old, $method_name)) {
            $error_type = 1;
        } else {
            $error_type = 3;
        }

        if (!isset($this->config['error_reporting']) || 1 < $this->config['error_reporting']) {
            if ($error_type == 1) {
                $title = 'Call deprecated method';
                $msg = $this->getPhpCompat()->htmlspecialchars("\$modx->{$method_name}() is deprecated function");
            } else {
                $title = 'Call undefined method';
                $msg = $this->getPhpCompat()->htmlspecialchars("\$modx->{$method_name}() is undefined function");
            }
            $info = debug_backtrace();
            $m[] = $msg;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            if (!empty($this->currentSnippet)) {
                $m[] = 'Snippet - ' . $this->currentSnippet;
            } elseif (!empty($this->event->activePlugin)) {
                $m[] = 'Plugin - ' . $this->event->activePlugin;
            }
            $m[] = $this->decoded_request_uri;
            $m[] = str_replace('\\', '/', $info[0]['file']) . '(line:' . $info[0]['line'] . ')';
            $msg = implode('<br />', $m);
            $this->logEvent(0, $error_type, $msg, $title);
        }
        if (method_exists($old, $method_name)) {
            return call_user_func_array(array($old, $method_name), $arguments);
        }
    }

    /**
     * @param string $connector
     * @return bool
     */
    public function checkSQLconnect($connector = 'db')
    {
        $flag = false;
        if (is_scalar($connector) && !empty($connector) && isset($this->{$connector}) && $this->{$connector} instanceof Interfaces\DatabaseInterface) {
            $flag = (bool)$this->{$connector}->conn;
        }
        return $flag;
    }

    /**
     * Loads an extension from the extenders folder.
     * You can load any extension creating a boot file:
     * MODX_MANAGER_PATH."includes/extenders/ex_{$extname}.inc.php"
     * $extname - extension name in lowercase
     *
     * @deprecated use getService
     * @param $extname
     * @param bool $reload
     * @return bool
     */
    public function loadExtension($extname, $reload = true)
    {
        $out = false;
        if (isset($this->extensionAlias[$extname])) {
            $out = $this->getService($this->extensionAlias[$extname]);
        } else {
            $flag = ($reload || !in_array($extname, $this->extensions));
            if ($this->checkSQLconnect('db') && $flag) {
                $evtOut = $this->invokeEvent('OnBeforeLoadExtension', array('name' => $extname, 'reload' => $reload));
                if (is_array($evtOut) && count($evtOut) > 0) {
                    $out = array_pop($evtOut);
                }
            }
            if (!$out && $flag) {
                $extname = trim(str_replace(array('..', '/', '\\'), '', strtolower($extname)));
                $filename = MODX_MANAGER_PATH . "includes/extenders/ex_{$extname}.inc.php";
                $out = is_file($filename) ? include $filename : false;
            }
            if ($out && !in_array($extname, $this->extensions)) {
                $this->extensions[] = $extname;
            }
        }
        return $out;
    }

    /**
     * Returns the current micro time
     *
     * @return float
     */
    public function getMicroTime()
    {
        list ($usec, $sec) = explode(' ', microtime());
        return ((float)$usec + (float)$sec);
    }

    /**
     * Redirect
     *
     * @param string $url
     * @param int $count_attempts
     * @param string $type $type
     * @param string $responseCode
     * @return bool|null

     * @global string $base_url
     * @global string $site_url
     */
    public function sendRedirect($url, $count_attempts = 0, $type = '', $responseCode = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $header = '';
        if (empty ($url)) {
            return false;
        }
        if ($count_attempts == 1) {
            // append the redirect count string to the url
            $currentNumberOfRedirects = isset ($_REQUEST['err']) ? $_REQUEST['err'] : 0;
            if ($currentNumberOfRedirects > 3) {
                $this->messageQuit('Redirection attempt failed - please ensure the document you\'re trying to redirect to exists. <p>Redirection URL: <i>' . $url . '</i></p>');
            } else {
                $currentNumberOfRedirects += 1;

                if (strpos($url, "?") > 0) {
                    $url .= "&err=$currentNumberOfRedirects";
                } else {
                    $url .= "?err=$currentNumberOfRedirects";
                }
            }
        }
        if ($type == 'REDIRECT_REFRESH') {
            $header = 'Refresh: 0;URL=' . $url;
        } elseif ($type == 'REDIRECT_META') {
            $header = '<META HTTP-EQUIV="Refresh" CONTENT="0; URL=' . $url . '" />';
            echo $header;
            exit;

        } elseif ($type == 'REDIRECT_HEADER' || empty ($type)) {
            // check if url has /$base_url
            global $base_url, $site_url;
function myFunction($a, $b) {
    // Do something
}
            if (substr($url, 0, strlen($base_url)) == $base_url) {
                // append $site_url to make it work with Location:
                $url = $site_url . substr($url, strlen($base_url));
            }
            if (strpos($url, "\n") === false) {
                $header = 'Location: ' . $url;
            } else {
                $this->messageQuit('No newline allowed in redirect url.');
            }
        }
        if ($responseCode && (strpos($responseCode, '30') !== false)) {
            header($responseCode);
        }

        if(!empty($header)) {
            header($header);
        }

        exit();

    }

    /**
     * Forward to another page
     *
     * @param int|string $id
     * @param string $responseCode
     */
    public function sendForward($id, $responseCode = '')
    {
        if ($this->forwards > 0) {
            $this->forwards = $this->forwards - 1;
            $this->documentIdentifier = $id;
            $this->documentMethod = 'id';
            if ($responseCode) {
                header($responseCode);
            }
            $this->prepareResponse();
            exit();

        } else {
            $this->messageQuit("Internal Server Error id={$id}");
            header('HTTP/1.0 500 Internal Server Error');
            die('<h1>ERROR: Too many forward attempts!</h1><p>The request could not be completed due to too many unsuccessful forward attempts.</p>');

        }
    }

    /**
     * Redirect to the error page, by calling sendForward(). This is called for example when the page was not found.
     * @param bool $noEvent
     */
    public function sendErrorPage($noEvent = false)
    {
        $this->systemCacheKey = 'notfound';
        if (!$noEvent) {
            // invoke OnPageNotFound event
            $this->invokeEvent('OnPageNotFound');
        }
        $url = $this->config['error_page'] ? $this->config['error_page'] : $this->config['site_start'];

        $this->sendForward($url, 'HTTP/1.0 404 Not Found');
        exit();

    }

    /**
     * @param bool $noEvent
     */
    public function sendUnauthorizedPage($noEvent = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        // invoke OnPageUnauthorized event
        $_REQUEST['refurl'] = $this->documentIdentifier;
        $this->systemCacheKey = 'unauth';
        if (!$noEvent) {
            $this->invokeEvent('OnPageUnauthorized');
        }
        if ($this->config['unauthorized_page']) {
            $unauthorizedPage = $this->config['unauthorized_page'];
        } elseif ($this->config['error_page']) {
            $unauthorizedPage = $this->config['error_page'];
        } else {
            $unauthorizedPage = $this->config['site_start'];
        }
        $this->sendForward($unauthorizedPage, 'HTTP/1.1 401 Unauthorized');
        exit();

    }

    /**
     * Get MODX settings including, but not limited to, the system_settings table
     */
    public function getSettings()
    {
        if (!isset($this->config['site_name'])) {
            $this->recoverySiteCache();
        }

        // setup default site id - new installation should generate a unique id for the site.
        if (!isset($this->config['site_id'])) {
            $this->config['site_id'] = "MzGeQ2faT4Dw06+U49x3";
        }

        // store base_url and base_path inside config array
        $this->config['base_url'] = MODX_BASE_URL;
        $this->config['base_path'] = MODX_BASE_PATH;
        $this->config['site_url'] = MODX_SITE_URL;
        $this->config['valid_hostnames'] = MODX_SITE_HOSTNAMES;
        $this->config['site_manager_url'] = MODX_MANAGER_URL;
        $this->config['site_manager_path'] = MODX_MANAGER_PATH;
        $this->error_reporting = $this->config['error_reporting'];
        $this->config['filemanager_path'] = str_replace('[(base_path)]', MODX_BASE_PATH, $this->config['filemanager_path']);
        $this->config['rb_base_dir'] = str_replace('[(base_path)]', MODX_BASE_PATH, $this->config['rb_base_dir']);

        if (!isset($this->config['enable_at_syntax'])) {
            $this->config['enable_at_syntax'] = 1;
        } // @TODO: This line is temporary, should be remove in next version


        // now merge user settings into evo-configuration
        $this->getUserSettings();
    }

    private function recoverySiteCache()
    {
        $site_cache_dir = MODX_BASE_PATH . $this->getCacheFolder();
        $site_cache_path = $site_cache_dir . 'siteCache.idx.php';

        if (is_file($site_cache_path)) {
            include($site_cache_path);
        }
        if (isset($this->config['site_name'])) {
            return;
        }

        $cache = new Cache();
        $cache->setCachepath($site_cache_dir);
        $cache->setReport(false);
        $cache->buildCache($this);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

        clearstatcache();
        if (is_file($site_cache_path)) {
            include($site_cache_path);
        }
        if (isset($this->config['site_name'])) {
            return;
        }

        $rs = $this->getDatabase()->select(

            'setting_name, setting_value',
            $this->getDatabase()->getFullTableName('system_settings')
        );
        while ($row = $this->getDatabase()->getRow($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $this->config[$row['setting_name']] = $row['setting_value'];
        }

        if (!$this->config['enable_filter']) {
            return;
        }

        $where = "plugincode LIKE '%phx.parser.class.inc.php%OnParseDocument();%' AND disabled != 1";
        $rs = $this->getDatabase()->select('id', $this->getDatabase()->getFullTableName('site_plugins'), $where);
        if ($this->getDatabase()->getRecordCount($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $this->config['enable_filter'] = '0';
        }
    }

    /**
     * Get user settings and merge into MODX configuration
     * @return array
     */
    public function getUserSettings()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $tbl_web_user_settings = $this->getDatabase()->getFullTableName('web_user_settings');
        $tbl_user_settings = $this->getDatabase()->getFullTableName('user_settings');

        // load user setting if user is logged in
        $usrSettings = array();
        if ($id = $this->getLoginUserID()) {
            $usrType = $this->getLoginUserType();
            if (isset ($usrType) && $usrType == 'manager') {
                $usrType = 'mgr';
            }

            if ($usrType == 'mgr' && $this->isBackend()) {
                // invoke the OnBeforeManagerPageInit event, only if in backend
                $this->invokeEvent("OnBeforeManagerPageInit");
            }

            if (isset ($_SESSION[$usrType . 'UsrConfigSet'])) {
                $usrSettings = &$_SESSION[$usrType . 'UsrConfigSet'];
            } else {
                if ($usrType == 'web') {
                    $from = $tbl_web_user_settings;
                    $where = "webuser='{$id}'";
                } else {
                    $from = $tbl_user_settings;
                    $where = "user='{$id}'";
                }

                $which_browser_default = $this->configGlobal['which_browser'] ? $this->configGlobal['which_browser'] : $this->config['which_browser'];

                $result = $this->getDatabase()->select('setting_name, setting_value', $from, $where);
                while ($row = $this->getDatabase()->getRow($result)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    if ($row['setting_name'] == 'which_browser' && $row['setting_value'] == 'default') {
                        $row['setting_value'] = $which_browser_default;
                    }
                    $usrSettings[$row['setting_name']] = $row['setting_value'];
                }
                if (isset ($usrType)) {
                    $_SESSION[$usrType . 'UsrConfigSet'] = $usrSettings;
                } // store user settings in session
            }
        }
        if ($this->isFrontend() && $mgrid = $this->getLoginUserID('mgr')) {
            $musrSettings = array();
            if (isset ($_SESSION['mgrUsrConfigSet'])) {
                $musrSettings = &$_SESSION['mgrUsrConfigSet'];
            } else {
                if ($result = $this->getDatabase()->select('setting_name, setting_value', $tbl_user_settings, "user='{$mgrid}'")) {
                    while ($row = $this->getDatabase()->getRow($result)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                        $musrSettings[$row['setting_name']] = $row['setting_value'];
                    }
                    $_SESSION['mgrUsrConfigSet'] = $musrSettings; // store user settings in session
                }
            }
            if (!empty ($musrSettings)) {
                $usrSettings = array_merge($musrSettings, $usrSettings);
            }
        }
        // save global values before overwriting/merging array
        foreach ($usrSettings as $param => $value) {
            if (isset($this->config[$param])) {
                $this->configGlobal[$param] = $this->config[$param];
            }
        }

        $this->config = array_merge($this->config, $usrSettings);
        $this->config['filemanager_path'] = str_replace('[(base_path)]', MODX_BASE_PATH, $this->config['filemanager_path']);
        $this->config['rb_base_dir'] = str_replace('[(base_path)]', MODX_BASE_PATH, $this->config['rb_base_dir']);

        return $usrSettings;
    }

    /**
     * Returns the document identifier of the current request
     *
     * @param string $method id and alias are allowed
     * @return int
     */
    public function getDocumentIdentifier($method)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        // function to test the query and find the retrieval method
        if ($method === 'alias') {
            return $this->getDatabase()->escape($_REQUEST['q']);
        }

        $id_ = filter_input(INPUT_GET, 'id');
        if ($id_) {
            if (preg_match('@^[1-9][0-9]*$@', $id_)) {
                return $id_;
            } else {
                $this->sendErrorPage();
            }
        } elseif (strpos($_SERVER['REQUEST_URI'], 'index.php/') !== false) {
            $this->sendErrorPage();
        } else {
            return $this->config['site_start'];
        }
    }

    /**
     * Check for manager or webuser login session since v1.2
     *
     * @param string $context
     * @return bool
     */
    public function isLoggedIn($context = 'mgr')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (substr($context, 0, 1) == 'm') {
            $_ = 'mgrValidated';

        } else {
            $_ = 'webValidated';
        }

        if (MODX_CLI || (isset($_SESSION[$_]) && !empty($_SESSION[$_]))) {

            return true;
        } else {
            return false;
        }
    }

    /**
     * Check for manager login session
     *
     * @return boolean
     */
    public function checkSession()
    {
        return $this->isLoggedin();
    }

    /**
     * Checks, if a the result is a preview
     *
     * @return boolean
     */
    public function checkPreview()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->isLoggedIn() == true) {

            if (isset ($_REQUEST['z']) && $_REQUEST['z'] == 'manprev') {

                return true;
            } else {
                return false;
            }
        } else {
            return false;
        }
    }

    /**
     * check if site is offline
     *
     * @return boolean
     */
    public function checkSiteStatus()
    {
        if ($this->config['site_status']) {
            return true;
        }  // site online
        elseif ($this->isLoggedin()) {
            return true;
        }  // site offline but launched via the manager
        else {
            return false;
        } // site is offline
    }

    /**
     * Create a 'clean' document identifier with path information, friendly URL suffix and prefix.
     *
     * @param string $qOrig
     * @return string
     */
    public function cleanDocumentIdentifier($qOrig)
    {
        if (!$qOrig) {
            $qOrig = $this->config['site_start'];
        }
        $q = $qOrig;


        $pre = $this->config['friendly_url_prefix'];
        $suf = $this->config['friendly_url_suffix'];
        $pre = preg_quote($pre, '/');
        $suf = preg_quote($suf, '/');
        if ($pre && preg_match('@^' . $pre . '(.*)$@', $q, $_)) {

            $q = $_[1];
        }
        if ($suf && preg_match('@(.*)' . $suf . '$@', $q, $_)) {
            $q = $_[1];
        }

        /* First remove any / before or after */
        $q = trim($q, '/');

        /* Save path if any */
        /* FS#476 and FS#308: only return virtualDir if friendly paths are enabled */
        if ($this->config['use_alias_path'] == 1) {
            $_ = strrpos($q, '/');
            $this->virtualDir = $_ !== false ? substr($q, 0, $_) : '';
            if ($_ !== false) {
                $q = preg_replace('@.*/@', '', $q);
            }
        } else {
            $this->virtualDir = '';
        }

        if (preg_match('@^[1-9][0-9]*$@', $q) && !isset($this->documentListing[$q])) { /* we got an ID returned, check to make sure it's not an alias */
            /* FS#476 and FS#308: check that id is valid in terms of virtualDir structure */
            if ($this->config['use_alias_path'] == 1) {
                if (($this->virtualDir != '' && !isset($this->documentListing[$this->virtualDir . '/' . $q]) || ($this->virtualDir == '' && !isset($this->documentListing[$q]))) && (($this->virtualDir != '' && isset($this->documentListing[$this->virtualDir]) && in_array($q, $this->getChildIds($this->documentListing[$this->virtualDir], 1))) || ($this->virtualDir == '' && in_array($q, $this->getChildIds(0, 1))))) {
                    $this->documentMethod = 'id';
                    return $q;
                } else { /* not a valid id in terms of virtualDir, treat as alias */
                    $this->documentMethod = 'alias';
                    return $q;
                }
            } else {
                $this->documentMethod = 'id';
                return $q;
            }
        } else { /* we didn't get an ID back, so instead we assume it's an alias */
            if ($this->config['friendly_alias_urls'] != 1) {
                $q = $qOrig;
            }
            $this->documentMethod = 'alias';
            return $q;
        }
    }

    /**
     * @return string
     */
    public function getCacheFolder()
    {
        return "assets/cache/";
    }

    /**
     * @param $key
     * @return string
     */
    public function getHashFile($key)
    {
        return $this->getCacheFolder() . "docid_" . $key . ".pageCache.php";
    }

    /**
     * @param $id
     * @return array|mixed|null|string
     */
    public function makePageCacheKey($id){
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
        $hash = $id;
        $tmp = null;
        $params = array();
        if(!empty($this->systemCacheKey)){
            $hash = $this->systemCacheKey;
        }else {
            if (!empty($_GET)) {
                // Sort GET parameters so that the order of parameters on the HTTP request don't affect the generated cache ID.
                $params = $_GET;
                ksort($params);
                $hash .= '_'.md5(http_build_query($params));
            }
        }
        $evtOut = $this->invokeEvent("OnMakePageCacheKey", array ("hash" => $hash, "id" => $id, 'params' => $params));
        if (is_array($evtOut) && count($evtOut) > 0){
            $tmp = array_pop($evtOut);
        }
        return empty($tmp) ? $hash : $tmp;
    }

    /**
     * @param $id
     * @param bool $loading
     * @return string
     */
    public function checkCache($id, $loading = false)
    {
        return $this->getDocumentObjectFromCache($id, $loading);
    }

    /**
     * Check the cache for a specific document/resource
     *
     * @param int $id
     * @param bool $loading
     * @return string
     */
    public function getDocumentObjectFromCache($id, $loading = false)
    {
        $key = ($this->config['cache_type'] == 2) ? $this->makePageCacheKey($id) : $id;
        if ($loading) {
            $this->cacheKey = $key;
        }

        $cache_path = $this->getHashFile($key);

        if (!is_file($cache_path)) {
            $this->documentGenerated = 1;
            return '';
        }
        $content = file_get_contents($cache_path, false);
        if (substr($content, 0, 5) === '<?php') {
            $content = substr($content, strpos($content, '?>') + 2);
        } // remove php header
        $a = explode('<!--__MODxCacheSpliter__-->', $content, 2);

        if (count($a) == 1) {
            $result = $a[0];
        } // return only document content
        else {
            $docObj = unserialize($a[0]); // rebuild document object
            // check page security
            if ($docObj['privateweb'] && isset ($docObj['__MODxDocGroups__'])) {
                $pass = false;
                $usrGrps = $this->getUserDocGroups();
                $docGrps = explode(',', $docObj['__MODxDocGroups__']);
                // check is user has access to doc groups
                if (is_array($usrGrps)) {
                    foreach ($usrGrps as $k => $v) {
                        if (!in_array($v, $docGrps)) {
                            continue;
                        }
                        $pass = true;
                        break;
                    }
                }
                // diplay error pages if user has no access to cached doc
                if (!$pass) {
                    if ($this->config['unauthorized_page']) {
                        // check if file is not public
                        $rs = $this->getDatabase()->select(

                            'count(id)',
                            $this->getDatabase()->getFullTableName('document_groups'),
                            "document='{$id}'",
                            '',
                            '1'
                        );
                        $total = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    } else {
                        $total = 0;
                    }

                    if ($total > 0) {
                        $this->sendUnauthorizedPage();
                    } else {
                        $this->sendErrorPage();
                    }

                    exit; // stop here

                }
            }
            // Grab the Scripts
            if (isset($docObj['__MODxSJScripts__'])) {
                $this->sjscripts = $docObj['__MODxSJScripts__'];
            }
            if (isset($docObj['__MODxJScripts__'])) {
                $this->jscripts = $docObj['__MODxJScripts__'];
            }

            // Remove intermediate variables
            unset($docObj['__MODxDocGroups__'], $docObj['__MODxSJScripts__'], $docObj['__MODxJScripts__']);

            $this->documentObject = $docObj;

            $result = $a[1]; // return document content
        }

        $this->documentGenerated = 0;
        // invoke OnLoadWebPageCache  event
        $this->documentContent = $result;
        $this->invokeEvent('OnLoadWebPageCache');
        return $result;
    }

    /**
     * Final processing and output of the document/resource.
     *
     * - runs uncached snippets
     * - add javascript to <head>
     * - removes unused placeholders
     * - converts URL tags [~...~] to URLs
     *
     * @param boolean $noEvent Default: false
     */
    public function outputContent($noEvent = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $this->documentOutput = $this->documentContent;

        if ($this->documentGenerated == 1 && $this->documentObject['cacheable'] == 1 && $this->documentObject['type'] == 'document' && $this->documentObject['published'] == 1) {
            if (!empty($this->sjscripts)) {
                $this->documentObject['__MODxSJScripts__'] = $this->sjscripts;
            }
            if (!empty($this->jscripts)) {
                $this->documentObject['__MODxJScripts__'] = $this->jscripts;
            }
        }

        // check for non-cached snippet output
        if (strpos($this->documentOutput, '[!') > -1) {
            $this->recentUpdate = $_SERVER['REQUEST_TIME'] + $this->config['server_offset_time'];

            $this->documentOutput = str_replace('[!', '[[', $this->documentOutput);
            $this->documentOutput = str_replace('!]', ']]', $this->documentOutput);

            // Parse document source
            $this->documentOutput = $this->parseDocumentSource($this->documentOutput);
        }

        // Moved from prepareResponse() by sirlancelot
        // Insert Startup jscripts & CSS scripts into template - template must have a <head> tag
        if ($js = $this->getRegisteredClientStartupScripts()) {

            // change to just before closing </head>
            // $this->documentContent = preg_replace("/(<head[^>]*>)/i", "\\1\n".$js, $this->documentContent);

            $this->documentOutput = preg_replace("/(<\/head>)/i", $js . "\n\\1", $this->documentOutput);
        }

        // Insert jscripts & html block into template - template must have a </body> tag
        if ($js = $this->getRegisteredClientScripts()) {
            $this->documentOutput = preg_replace("/(<\/body>)/i", $js . "\n\\1", $this->documentOutput);
        }
        // End fix by sirlancelot

        $this->documentOutput = $this->cleanUpMODXTags($this->documentOutput);

        $this->documentOutput = $this->rewriteUrls($this->documentOutput);

        // send out content-type and content-disposition headers
        if (IN_PARSER_MODE == "true") {
            $type = !empty ($this->contentTypes[$this->documentIdentifier]) ? $this->contentTypes[$this->documentIdentifier] : "text/html";
            header('Content-Type: ' . $type . '; charset=' . $this->config['modx_charset']);
            //            if (($this->documentIdentifier == $this->config['error_page']) || $redirect_error)

            //                header('HTTP/1.0 404 Not Found');

            if (!$this->checkPreview() && $this->documentObject['content_dispo'] == 1) {
                if ($this->documentObject['alias']) {
                    $name = $this->documentObject['alias'];
                } else {
                    // strip title of special characters
                    $name = $this->documentObject['pagetitle'];
                    $name = strip_tags($name);
                    $name = $this->cleanUpMODXTags($name);
                    $name = strtolower($name);
                    $name = preg_replace('/&.+?;/', '', $name); // kill entities
                    $name = preg_replace('/[^\.%a-z0-9 _-]/', '', $name);
                    $name = preg_replace('/\s+/', '-', $name);
                    $name = preg_replace('|-+|', '-', $name);
                    $name = trim($name, '-');
                }
                $header = 'Content-Disposition: attachment; filename=' . $name;
                header($header);
            }
        }
        $this->setConditional();

        $stats = $this->getTimerStats($this->tstart);

        $out =& $this->documentOutput;
        $out = str_replace("[^q^]", $stats['queries'], $out);
        $out = str_replace("[^qt^]", $stats['queryTime'], $out);
        $out = str_replace("[^p^]", $stats['phpTime'], $out);
        $out = str_replace("[^t^]", $stats['totalTime'], $out);
        $out = str_replace("[^s^]", $stats['source'], $out);
        $out = str_replace("[^m^]", $stats['phpMemory'], $out);
        //$this->documentOutput= $out;


        // invoke OnWebPagePrerender event
        if (!$noEvent) {
            $evtOut = $this->invokeEvent('OnWebPagePrerender', array('documentOutput' => $this->documentOutput));
            if (is_array($evtOut) && count($evtOut) > 0) {
                $this->documentOutput = $evtOut['0'];
            }
        }

        $this->documentOutput = $this->removeSanitizeSeed($this->documentOutput);

        if (strpos($this->documentOutput, '\{') !== false) {
            $this->documentOutput = $this->RecoveryEscapedTags($this->documentOutput);
        } elseif (strpos($this->documentOutput, '\[') !== false) {
            $this->documentOutput = $this->RecoveryEscapedTags($this->documentOutput);
        }

        echo $this->documentOutput;

        if ($this->dumpSQL) {
            echo $this->queryCode;
        }
        if ($this->dumpSnippets) {
            $sc = "";

            $tt = 0;

            foreach ($this->snippetsTime as $s => $v) {
                $t = $v['time'];
                $sname = $v['sname'];
                $sc .= sprintf("%s. %s (%s)<br>", $s, $sname, sprintf("%2.2f ms", $t)); // currentSnippet
                $tt += $t;
            }
            echo "<fieldset><legend><b>Snippets</b> (" . count($this->snippetsTime) . " / " . sprintf("%2.2f ms", $tt) . ")</legend>{$sc}</fieldset><br />";
            echo $this->snippetsCode;
        }
        if ($this->dumpPlugins) {
            $ps = "";

            $tt = 0;
            foreach ($this->pluginsTime as $s => $t) {
                $ps .= "$s (" . sprintf("%2.2f ms", $t * 1000) . ")<br>";
                $tt += $t;
            }
            echo "<fieldset><legend><b>Plugins</b> (" . count($this->pluginsTime) . " / " . sprintf("%2.2f ms", $tt * 1000) . ")</legend>{$ps}</fieldset><br />";
            echo $this->pluginsCode;
        }

        ob_end_flush();
    }

    /**
     * @param $contents
     * @return mixed
     */
    public function RecoveryEscapedTags($contents)

    {
        list($sTags, $rTags) = $this->getTagsForEscape();
        return str_replace($rTags, $sTags, $contents);
    }

    /**
     * @param string $tags
     * @return array[]
     */
    public function getTagsForEscape($tags = '{{,}},[[,]],[!,!],[*,*],[(,)],[+,+],[~,~],[^,^]')
    {
        $srcTags = explode(',', $tags);
        $repTags = array();
        foreach ($srcTags as $tag) {
            $repTags[] = '\\' . $tag[0] . '\\' . $tag[1];
        }
        return array($srcTags, $repTags);
    }

    /**
     * @param $tstart
     * @return array
     */
    public function getTimerStats($tstart)
    {
        $stats = array();

        $stats['totalTime'] = ($this->getMicroTime() - $tstart);
        $stats['queryTime'] = $this->queryTime;
        $stats['phpTime'] = $stats['totalTime'] - $stats['queryTime'];

        $stats['queryTime'] = sprintf("%2.4f s", $stats['queryTime']);
        $stats['totalTime'] = sprintf("%2.4f s", $stats['totalTime']);
        $stats['phpTime'] = sprintf("%2.4f s", $stats['phpTime']);
        $stats['source'] = $this->documentGenerated == 1 ? "database" : "cache";
        $stats['queries'] = isset ($this->executedQueries) ? $this->executedQueries : 0;
        $stats['phpMemory'] = (memory_get_peak_usage(true) / 1024 / 1024) . " mb";

        return $stats;
    }

    public function setConditional()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (!empty($_POST) || (defined('MODX_API_MODE') && MODX_API_MODE) || $this->getLoginUserID('mgr') || !$this->useConditional || empty($this->recentUpdate)) {
            return;
        }
        $last_modified = gmdate('D, d M Y H:i:s T', $this->recentUpdate);
        $etag = md5($last_modified);
        $HTTP_IF_MODIFIED_SINCE = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? $_SERVER['HTTP_IF_MODIFIED_SINCE'] : false;
        $HTTP_IF_NONE_MATCH = isset($_SERVER['HTTP_IF_NONE_MATCH']) ? $_SERVER['HTTP_IF_NONE_MATCH'] : false;
        header('Pragma: no-cache');

        if ($HTTP_IF_MODIFIED_SINCE == $last_modified || strpos($HTTP_IF_NONE_MATCH, $etag) !== false) {
            header('HTTP/1.1 304 Not Modified');
            header('Content-Length: 0');
            exit;

        } else {
            header("Last-Modified: {$last_modified}");
            header("ETag: '{$etag}'");
        }
    }

    /**
     * Checks the publish state of page
     */
    public function updatePubStatus()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $cacheRefreshTime = 0;
        $recent_update = 0;
        @include(MODX_BASE_PATH . $this->getCacheFolder() . 'sitePublishing.idx.php');
        $this->recentUpdate = $recent_update;

        $timeNow = $_SERVER['REQUEST_TIME'] + $this->config['server_offset_time'];
        if ($timeNow < $cacheRefreshTime || $cacheRefreshTime == 0) {
            return;
        }

        // now, check for documents that need publishing
        $field = array('published' => 1, 'publishedon' => $timeNow);
        $where = "pub_date <= {$timeNow} AND pub_date!=0 AND published=0";
        $result_pub = $this->getDatabase()->select(
            'id',
            $this->getDatabase()->getFullTableName('site_content'),
            $where
        );
        $this->getDatabase()->update($field, $this->getDatabase()->getFullTableName('site_content'), $where);
        if ($this->getDatabase()->getRecordCount($result_pub) >= 1) { //Event unPublished doc
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            while ($row_pub = $this->getDatabase()->getRow($result_pub)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $this->invokeEvent("OnDocUnPublished", array(
                    "docid" => $row_pub['id']
                ));
            }
        }

        // now, check for documents that need un-publishing
        $field = array('published' => 0, 'publishedon' => 0);
        $where = "unpub_date <= {$timeNow} AND unpub_date!=0 AND published=1";
        $result_unpub = $this->getDatabase()->select(
            'id',
            $this->getDatabase()->getFullTableName('site_content'),
            $where
        );
        $this->getDatabase()->update($field, $this->getDatabase()->getFullTableName('site_content'), $where);
        if ($this->getDatabase()->getRecordCount($result_unpub) >= 1) { //Event unPublished doc
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            while ($row_unpub = $this->getDatabase()->getRow($result_unpub)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $this->invokeEvent("OnDocUnPublished", array(
                    "docid" => $row_unpub['id']
                ));
            }
        }

        $this->recentUpdate = $timeNow;

        // clear the cache
        $this->clearCache('full');
    }

    public function checkPublishStatus()
    {
        $this->updatePubStatus();
    }

    /**
     * Final jobs.
     *
     * - cache page
     */
    public function postProcess()
    {
        // if the current document was generated, cache it!
        $cacheable = ($this->config['enable_cache'] && $this->documentObject['cacheable']) ? 1 : 0;
        if ($cacheable && $this->documentGenerated && $this->documentObject['type'] == 'document' && $this->documentObject['published']) {
            // invoke OnBeforeSaveWebPageCache event
            $this->invokeEvent("OnBeforeSaveWebPageCache");

            if (!empty($this->cacheKey) && is_scalar($this->cacheKey)) {
                // get and store document groups inside document object. Document groups will be used to check security on cache pages
                $where = "document='{$this->documentIdentifier}'";
                $rs = $this->getDatabase()->select(

                    'document_group',
                    $this->getDatabase()->getFullTableName('document_groups'),
                    $where
                );
                $docGroups = $this->getDatabase()->getColumn('document_group', $rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

                // Attach Document Groups and Scripts
                if (is_array($docGroups)) {
                    $this->documentObject['__MODxDocGroups__'] = implode(",", $docGroups);
                }

                $docObjSerial = serialize($this->documentObject);
                $cacheContent = $docObjSerial . "<!--__MODxCacheSpliter__-->" . $this->documentContent;
                $page_cache_path = MODX_BASE_PATH . $this->getHashFile($this->cacheKey);
                file_put_contents($page_cache_path, "<?php die('Unauthorized access.'); ?>$cacheContent");
            }
        }

        // Useful for example to external page counters/stats packages
        $this->invokeEvent('OnWebPageComplete');

        // end post processing
    }

    /**
     * @param $content
     * @param string $left
     * @param string $right
     * @return array
     */
    public function getTagsFromContent($content, $left = '[+', $right = '+]')
    {
        $_ = $this->_getTagsFromContent($content, $left, $right);

        if (empty($_)) {
            return array();
        }
        foreach ($_ as $v) {
            $tags[0][] = "{$left}{$v}{$right}";
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            $tags[1][] = $v;
        }
        return $tags;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
    }

    /**
     * @param $content
     * @param string $left
     * @param string $right
     * @return array
     */
    public function _getTagsFromContent($content, $left = '[+', $right = '+]')
    {
        if (strpos($content, $left) === false) {
            return array();
        }
        $spacer = md5('<<<EVO>>>');
        if($left==='{{' && strpos($content,';}}')!==false)  $content = str_replace(';}}', sprintf(';}%s}',   $spacer),$content);
        if($left==='{{' && strpos($content,'{{}}')!==false) $content = str_replace('{{}}',sprintf('{%$1s{}%$1s}',$spacer),$content);
        if($left==='[[' && strpos($content,']]]]')!==false) $content = str_replace(']]]]',sprintf(']]%s]]',  $spacer),$content);
        if($left==='[[' && strpos($content,']]]')!==false)  $content = str_replace(']]]', sprintf(']%s]]',   $spacer),$content);

        $pos['<![CDATA['] = strpos($content, '<![CDATA[');
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
        $pos[']]>'] = strpos($content, ']]>');

        if ($pos['<![CDATA['] !== false && $pos[']]>'] !== false) {
            $content = substr($content, 0, $pos['<![CDATA[']) . substr($content, $pos[']]>'] + 3);
        }

        $lp = explode($left, $content);

        $piece = array();
        foreach ($lp as $lc => $lv) {
            if ($lc !== 0) {
                $piece[] = $left;
            }
            if (strpos($lv, $right) === false) {
                $piece[] = $lv;
            } else {
                $rp = explode($right, $lv);
                foreach ($rp as $rc => $rv) {
                    if ($rc !== 0) {
                        $piece[] = $right;
                    }
                    $piece[] = $rv;
                }
            }
        }
        $lc = 0;
        $rc = 0;
        $fetch = '';
        $tags = array();
        foreach ($piece as $v) {
            if ($v === $left) {
                if (0 < $lc) {
                    $fetch .= $left;
                }
                $lc++;
            } elseif ($v === $right) {
                if ($lc === 0) {
                    continue;
                }
                $rc++;
                if ($lc === $rc) {
                    // #1200 Enable modifiers in Wayfinder - add nested placeholders to $tags like for $fetch = "phx:input=`[+wf.linktext+]`:test"
                    if (strpos($fetch, $left) !== false) {
                        $nested = $this->_getTagsFromContent($fetch, $left, $right);
                        foreach ($nested as $tag) {
                            if (!in_array($tag, $tags)) {
                                $tags[] = $tag;
                            }
                        }
                    }

                    if (!in_array($fetch, $tags)) {  // Avoid double Matches
                        $tags[] = $fetch; // Fetch
                    };
                    $fetch = ''; // and reset
                    $lc = 0;
                    $rc = 0;
                } else {
                    $fetch .= $right;
                }
            } else {
                if (0 < $lc) {
                    $fetch .= $v;
                } else {
                    continue;
                }
            }
        }
        foreach($tags as $i=>$tag) {
            if(strpos($tag,$spacer)!==false) $tags[$i] = str_replace($spacer, '', $tag);
        }
        return $tags;
    }

    /**
     * Merge content fields and TVs
     *
     * @param $content
     * @param bool $ph
     * @return string
     * @internal param string $template
     */
    public function mergeDocumentContent($content, $ph = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->config['enable_at_syntax']) {
            if (stripos($content, '<@LITERAL>') !== false) {
                $content = $this->escapeLiteralTagsContent($content);
            }
        }
        if (strpos($content, '[*') === false) {
            return $content;
        }
        if (!isset($this->documentIdentifier)) {
            return $content;
        }
        if (!isset($this->documentObject) || empty($this->documentObject)) {
            return $content;
        }

        if (!$ph) {
            $ph = $this->documentObject;
        }

        $matches = $this->getTagsFromContent($content, '[*', '*]');
        if (!$matches) {

            return $content;
        }

        foreach ($matches[1] as $i => $key) {
            if(strpos($key,'[+')!==false) continue; // Allow chunk {{chunk?&param=`xxx`}} with [*tv_name_[+param+]*] as content

            if (substr($key, 0, 1) == '#') {
                $key = substr($key, 1);
            } // remove # for QuickEdit format

            list($key, $modifiers) = $this->splitKeyAndFilter($key);
            if (strpos($key, '@') !== false) {
                list($key, $context) = explode('@', $key, 2);
            } else {
                $context = false;
            }

            // if(!isset($ph[$key]) && !$context) continue; // #1218 TVs/PHs will not be rendered if custom_meta_title is not assigned to template like [*custom_meta_title:ne:then=`[*custom_meta_title*]`:else=`[*pagetitle*]`*]

            if ($context) {
                $value = $this->_contextValue("{$key}@{$context}", $this->documentObject['parent']);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            } else {
                $value = isset($ph[$key]) ? $ph[$key] : '';
            }

            if (is_array($value)) {
                $value = getTVDisplayFormat($value[0], $value[1], $value[2], $value[3], $value[4]);
            }

            $s = &$matches[0][$i];
            if ($modifiers !== false) {
                $value = $this->applyFilter($value, $modifiers, $key);
            }

            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $value, $content);
            } elseif($this->debug) {
                $this->addLog('mergeDocumentContent parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }

        return $content;
    }

    /**
     * @param $key
     * @param bool|int $parent
     * @return bool|mixed|string
     */
    public function _contextValue($key, $parent = false)
    {
        if (preg_match('/@\d+\/u/', $key)) {
            $key = str_replace(array('@', '/u'), array('@u(', ')'), $key);
        }
        list($key, $str) = explode('@', $key, 2);

        if (strpos($str, '(')) {
            list($context, $option) = explode('(', $str, 2);
        } else {
            list($context, $option) = array($str, false);
        }

        if ($option) {
            $option = trim($option, ')(\'"`');
        }

        switch (strtolower($context)) {
            case 'site_start':
                $docid = $this->config['site_start'];
                break;
            case 'parent':
            case 'p':
                $docid = $parent;
                if ($docid == 0) {
                    $docid = $this->config['site_start'];
                }
                break;
            case 'ultimateparent':
            case 'uparent':
            case 'up':
            case 'u':
                if (strpos($str, '(') !== false) {
                    $top = substr($str, strpos($str, '('));
                    $top = trim($top, '()"\'');
                } else {
                    $top = 0;
                }
                $docid = $this->getUltimateParentId($this->documentIdentifier, $top);
                break;
            case 'alias':
                $str = substr($str, strpos($str, '('));
                $str = trim($str, '()"\'');
                $docid = $this->getIdFromAlias($str);
                break;
            case 'prev':
                if (!$option) {
                    $option = 'menuindex,ASC';
                } elseif (strpos($option, ',') === false) {
                    $option .= ',ASC';
                }
                list($by, $dir) = explode(',', $option, 2);

                $children = $this->getActiveChildren($parent, $by, $dir);
                $find = false;
                $prev = false;
                foreach ($children as $row) {
                    if ($row['id'] == $this->documentIdentifier) {
                        $find = true;
                        break;
                    }
                    $prev = $row;
                }
                if ($find) {
                    if (isset($prev[$key])) {
                        return $prev[$key];
                    } else {
                        $docid = $prev['id'];
                    }
                } else {
                    $docid = '';
                }
                break;
            case 'next':
                if (!$option) {
                    $option = 'menuindex,ASC';
                } elseif (strpos($option, ',') === false) {
                    $option .= ',ASC';
                }
                list($by, $dir) = explode(',', $option, 2);
                $children = $this->getActiveChildren($parent, $by, $dir);
                $find = false;
                $next = false;
                foreach ($children as $row) {
                    if ($find) {
                        $next = $row;
                        break;
                    }
                    if ($row['id'] == $this->documentIdentifier) {
                        $find = true;
                    }
                }
                if ($find) {
                    if (isset($next[$key])) {
                        return $next[$key];
                    } else {
                        $docid = $next['id'];
                    }
                } else {
                    $docid = '';
                }
                break;
            default:
                $docid = $str;
        }
        if (preg_match('@^[1-9][0-9]*$@', $docid)) {
            $value = $this->getField($key, $docid);
        } else {
            $value = '';
        }
        return $value;
    }

    /**
     * Merge system settings
     *
     * @param $content
     * @param bool|array $ph
     * @return string
     * @internal param string $template
     */
    public function mergeSettingsContent($content, $ph = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->config['enable_at_syntax']) {
            if (stripos($content, '<@LITERAL>') !== false) {
                $content = $this->escapeLiteralTagsContent($content);
            }
        }
        if (strpos($content, '[(') === false) {
            return $content;
        }

        if (empty($ph)) {
            $ph = $this->config;
        }

        $matches = $this->getTagsFromContent($content, '[(', ')]');
        if (empty($matches)) {
            return $content;
        }

        foreach ($matches[1] as $i => $key) {
            list($key, $modifiers) = $this->splitKeyAndFilter($key);

            if (isset($ph[$key])) {
                $value = $ph[$key];
            } else {
                continue;
            }

            if ($modifiers !== false) {
                $value = $this->applyFilter($value, $modifiers, $key);
            }
            $s = &$matches[0][$i];
            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $value, $content);
            } elseif($this->debug) {
                $this->addLog('mergeSettingsContent parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }
        return $content;
    }

    /**
     * Merge chunks
     *
     * @param string $content
     * @param bool|array $ph
     * @return string
     */
    public function mergeChunkContent($content, $ph = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->config['enable_at_syntax']) {
            if (strpos($content, '{{ ') !== false) {
                $content = str_replace(array('{{ ', ' }}'), array('\{\{ ', ' \}\}'), $content);
            }
            if (stripos($content, '<@LITERAL>') !== false) {
                $content = $this->escapeLiteralTagsContent($content);
            }
        }
        if (strpos($content, '{{') === false) {
            return $content;
        }

        if (empty($ph)) {
            $ph = $this->chunkCache;
        }

        $matches = $this->getTagsFromContent($content, '{{', '}}');
        if (empty($matches)) {
            return $content;
        }

        foreach ($matches[1] as $i => $key) {
            $snip_call = $this->_split_snip_call($key);
            $key = $snip_call['name'];
            $params = $this->getParamsFromString($snip_call['params']);

            list($key, $modifiers) = $this->splitKeyAndFilter($key);

            if (!isset($ph[$key])) {
                $ph[$key] = $this->getChunk($key);
            }
            $value = $ph[$key];

            if (is_null($value)) {
                continue;
            }

            $value = $this->parseText($value, $params); // parse local scope placeholers for ConditionalTags
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $value = $this->mergePlaceholderContent($value, $params);  // parse page global placeholers
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if ($this->config['enable_at_syntax']) {
                $value = $this->mergeConditionalTagsContent($value);
            }
            $value = $this->mergeDocumentContent($value);
            $value = $this->mergeSettingsContent($value);
            $value = $this->mergeChunkContent($value);

            if ($modifiers !== false) {
                $value = $this->applyFilter($value, $modifiers, $key);
            }

            $s = &$matches[0][$i];
            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $value, $content);
            } elseif($this->debug) {
                $this->addLog('mergeChunkContent parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }
        return $content;
    }

    /**
     * Merge placeholder values
     *
     * @param string $content
     * @param bool|array $ph
     * @return string
     */
    public function mergePlaceholderContent($content, $ph = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        if ($this->config['enable_at_syntax']) {
            if (stripos($content, '<@LITERAL>') !== false) {
                $content = $this->escapeLiteralTagsContent($content);
            }
        }
        if (strpos($content, '[+') === false) {
            return $content;
        }

        if (empty($ph)) {
            $ph = $this->placeholders;
        }

        if ($this->config['enable_at_syntax']) {
            $content = $this->mergeConditionalTagsContent($content);
        }

        $content = $this->mergeDocumentContent($content);
        $content = $this->mergeSettingsContent($content);
        $matches = $this->getTagsFromContent($content, '[+', '+]');
        if (empty($matches)) {
            return $content;
        }
        foreach ($matches[1] as $i => $key) {

            list($key, $modifiers) = $this->splitKeyAndFilter($key);

            if (isset($ph[$key])) {
                $value = $ph[$key];
            } elseif ($key === 'phx') {
                $value = '';
            } else {
                continue;
            }

            if ($modifiers !== false) {
                $modifiers = $this->mergePlaceholderContent($modifiers);
                $value = $this->applyFilter($value, $modifiers, $key);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            }
            $s = &$matches[0][$i];
            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $value, $content);
            } elseif($this->debug) {
                $this->addLog('mergePlaceholderContent parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }
        return $content;
    }

    /**
     * @param $content
     * @param string $iftag
     * @param string $elseiftag
     * @param string $elsetag
     * @param string $endiftag
     * @return mixed|string
     */
    public function mergeConditionalTagsContent($content, $iftag = '<@IF:', $elseiftag = '<@ELSEIF:', $elsetag = '<@ELSE>', $endiftag = '<@ENDIF>')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (strpos($content, '@IF') !== false) {
            $content = $this->_prepareCTag($content, $iftag, $elseiftag, $elsetag, $endiftag);
        }

        if (strpos($content, $iftag) === false) {
            return $content;
        }

        $sp = '#' . md5('ConditionalTags' . $_SERVER['REQUEST_TIME']) . '#';

        $content = str_replace(array('<?php', '<?=', '<?', '?>'), array("{$sp}b", "{$sp}p", "{$sp}s", "{$sp}e"), $content);

        $pieces = explode('<@IF:', $content);
        foreach ($pieces as $i => $split) {
            if ($i === 0) {
                $content = $split;
                continue;
            }
            list($cmd, $text) = explode('>', $split, 2);
            $cmd = str_replace("'", "\'", $cmd);
            $content .= "<?php if(\$this->_parseCTagCMD('" . $cmd . "')): ?>";
            $content .= $text;
        }
        $pieces = explode('<@ELSEIF:', $content);
        foreach ($pieces as $i => $split) {
            if ($i === 0) {
                $content = $split;
                continue;
            }
            list($cmd, $text) = explode('>', $split, 2);
            $cmd = str_replace("'", "\'", $cmd);
            $content .= "<?php elseif(\$this->_parseCTagCMD('" . $cmd . "')): ?>";
            $content .= $text;
        }

        $content = str_replace(array('<@ELSE>', '<@ENDIF>'), array('<?php else:?>', '<?php endif;?>'), $content);
        ob_start();
        $content = eval('?>' . $content);
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $content = ob_get_clean();
        $content = str_replace(array("{$sp}b", "{$sp}p", "{$sp}s", "{$sp}e"), array('<?php', '<?=', '<?', '?>'), $content);

        return $content;
    }

    /**
     * @param $content
     * @param string $iftag
     * @param string $elseiftag
     * @param string $elsetag
     * @param string $endiftag
     * @return mixed
     */
    private function _prepareCTag($content, $iftag = '<@IF:', $elseiftag = '<@ELSEIF:', $elsetag = '<@ELSE>', $endiftag = '<@ENDIF>')
    {
        if (strpos($content, '<!--@IF ') !== false) {
            $content = str_replace('<!--@IF ', $iftag, $content);
        } // for jp
        if (strpos($content, '<!--@IF:') !== false) {
            $content = str_replace('<!--@IF:', $iftag, $content);
        }
        if (strpos($content, $iftag) === false) {
            return $content;
        }
        if (strpos($content, '<!--@ELSEIF:') !== false) {
            $content = str_replace('<!--@ELSEIF:', $elseiftag, $content);
        } // for jp
        if (strpos($content, '<!--@ELSE-->') !== false) {
            $content = str_replace('<!--@ELSE-->', $elsetag, $content);
        }  // for jp
        if (strpos($content, '<!--@ENDIF-->') !== false) {
            $content = str_replace('<!--@ENDIF-->', $endiftag, $content);
        }    // for jp
        if (strpos($content, '<@ENDIF-->') !== false) {
            $content = str_replace('<@ENDIF-->', $endiftag, $content);
        }
        $tags = array($iftag, $elseiftag, $elsetag, $endiftag);
        $content = str_ireplace($tags, $tags, $content); // Change to capital letters
        return $content;
    }

    /**
     * @param $cmd
     * @return mixed|string

     */
    private function _parseCTagCMD($cmd)
    {
        $cmd = trim($cmd);
        $reverse = substr($cmd, 0, 1) === '!' ? true : false;
        if ($reverse) {
            $cmd = ltrim($cmd, '!');
        }
        if (strpos($cmd, '[!') !== false) {
            $cmd = str_replace(array('[!', '!]'), array('[[', ']]'), $cmd);
        }
        $safe = 0;
        while ($safe < 20) {
            $bt = md5($cmd);

            if (strpos($cmd, '[*') !== false) {
                $cmd = $this->mergeDocumentContent($cmd);
            }
            if (strpos($cmd, '[(') !== false) {
                $cmd = $this->mergeSettingsContent($cmd);
            }
            if (strpos($cmd, '{{') !== false) {
                $cmd = $this->mergeChunkContent($cmd);
            }
            if (strpos($cmd, '[[') !== false) {
                $cmd = $this->evalSnippets($cmd);
            }
            if (strpos($cmd, '[+') !== false && strpos($cmd, '[[') === false) {
                $cmd = $this->mergePlaceholderContent($cmd);
            }
            if ($bt === md5($cmd)) {
                break;
            }
            $safe++;
        }
        $cmd = ltrim($cmd);
        $cmd = rtrim($cmd, '-');
        $cmd = str_ireplace(array(' and ', ' or '), array('&&', '||'), $cmd);

        if (!preg_match('@^[0-9]*$@', $cmd) && preg_match('@^[0-9<= \-\+\*/\(\)%!&|]*$@', $cmd)) {
            $cmd = eval("return {$cmd};");

        } else {
            $_ = explode(',', '[*,[(,{{,[[,[!,[+');

            foreach ($_ as $left) {
                if (strpos($cmd, $left) !== false) {
                    $cmd = 0;
                    break;
                }
            }
        }
        $cmd = trim($cmd);
        if (!preg_match('@^[0-9]+$@', $cmd)) {
            $cmd = empty($cmd) ? 0 : 1;
        } elseif ($cmd <= 0) {
            $cmd = 0;
        }

        if ($reverse) {
            $cmd = !$cmd;
        }

        return $cmd;
    }

    /**
     * Remove Comment-Tags from output like <!--@- Comment -@-->
     * @param $content
     * @param string $left
     * @param string $right
     * @return mixed
     */
    function ignoreCommentedTagsContent($content, $left = '<!--@-', $right = '-@-->')
    {
        if (strpos($content, $left) === false) {
            return $content;
        }

        $matches = $this->getTagsFromContent($content, $left, $right);
        if (!empty($matches)) {
            foreach ($matches[0] as $i => $v) {
                $addBreakMatches[$i] = $v . "\n";
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            }
            $content = str_replace($addBreakMatches, '', $content);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            if (strpos($content, $left) !== false) {
                $content = str_replace($matches[0], '', $content);
            }
        }
        return $content;
    }

    /**
     * @param $content
     * @param string $left
     * @param string $right
     * @return mixed
     */
    public function escapeLiteralTagsContent($content, $left = '<@LITERAL>', $right = '<@ENDLITERAL>')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (stripos($content, $left) === false) {
            return $content;
        }

        $matches = $this->getTagsFromContent($content, $left, $right);
        if (empty($matches)) {
            return $content;
        }

        list($sTags, $rTags) = $this->getTagsForEscape();
        foreach ($matches[1] as $i => $v) {
            $v = str_ireplace($sTags, $rTags, $v);
            $s = &$matches[0][$i];
            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $v, $content);
            } elseif($this->debug) {
                $this->addLog('ignoreCommentedTagsContent parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }
        return $content;
    }

    /**
     * Detect PHP error according to MODX error level
     *
     * @param integer $error PHP error level
     * @return boolean Error detected
     */

    public function detectError($error)
    {
        $detected = false;
        if ($this->config['error_reporting'] == 99 && $error) {
            $detected = true;
        } elseif ($this->config['error_reporting'] == 2 && ($error & ~E_NOTICE)) {
            $detected = true;
        } elseif ($this->config['error_reporting'] == 1 && ($error & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT)) {
            $detected = true;
        }
        return $detected;
    }

    /**
     * Run a plugin
     *
     * @param string $pluginCode Code to run
     * @param array $params
     */
    public function evalPlugin($pluginCode, $params)
    {
        $modx = &$this;
        $modx->event->params = &$params; // store params inside event object
        if (is_array($params)) {
            extract($params, EXTR_SKIP);
        }
        /* if uncomment incorrect work plugin, cant understend where use this code and for what?

        // This code will avoid further execution of plugins in case they cause a fatal-error. clearCache() will delete those locks to allow execution of locked plugins again.
        // Related to https://github.com/modxcms/evolution/issues/1130
        $lock_file_path = MODX_BASE_PATH . 'assets/cache/lock_' . str_replace(' ','-',strtolower($this->event->activePlugin)) . '.pageCache.php';
        if($this->isBackend()) {
            if(is_file($lock_file_path)) {
                $msg = sprintf("Plugin parse error, Temporarily disabled '%s'.", $this->event->activePlugin);
                $this->logEvent(0, 3, $msg, $msg);
                return;
            }
            elseif(stripos($this->event->activePlugin,'ElementsInTree')===false) touch($lock_file_path);
        }*/
        ob_start();
        eval($pluginCode);

        $msg = ob_get_contents();
        ob_end_clean();
        // When reached here, no fatal error occured so the lock should be removed.
        /*if(is_file($lock_file_path)) unlink($lock_file_path);*/


        if ((0 < $this->config['error_reporting']) && $msg && isset($php_errormsg)) {
            $error_info = error_get_last();
            if ($this->detectError($error_info['type'])) {
                $msg = ($msg === false) ? 'ob_get_contents() error' : $msg;
                $this->messageQuit('PHP Parse Error', '', true, $error_info['type'], $error_info['file'], 'Plugin', $error_info['message'], $error_info['line'], $msg);
                if ($this->isBackend()) {
                    $this->event->alert('An error occurred while loading. Please see the event log for more information.<p>' . $msg . '</p>');
                }
            }
        } else {
            echo $msg;
        }
        unset($modx->event->params);
    }

    /**
     * Run a snippet
     *
     * @param $phpcode
     * @param array $params
     * @return string

     * @internal param string $snippet Code to run
     */
    public function evalSnippet($phpcode, $params)
    {
        $modx = &$this;
        /*

        if(isset($params) && is_array($params)) {
            foreach($params as $k=>$v) {
                $v = strtolower($v);
                if($v==='false')    $params[$k] = false;
                elseif($v==='true') $params[$k] = true;
            }
        }*/
        $modx->event->params = &$params; // store params inside event object
        if (is_array($params)) {
            extract($params, EXTR_SKIP);
        }
        ob_start();
        if (strpos($phpcode, ';') !== false) {
            if (substr($phpcode, 0, 5) === '<?php') {
                $phpcode = substr($phpcode, 5);
            }
            $return = eval($phpcode);

        } else {
            $return = call_user_func_array($phpcode, array($params));
        }
        $echo = ob_get_contents();
        ob_end_clean();
        if ((0 < $this->config['error_reporting']) && isset($php_errormsg)) {
            $error_info = error_get_last();
            if ($this->detectError($error_info['type'])) {
                $echo = ($echo === false) ? 'ob_get_contents() error' : $echo;
                $this->messageQuit('PHP Parse Error', '', true, $error_info['type'], $error_info['file'], 'Snippet', $error_info['message'], $error_info['line'], $echo);
                if ($this->isBackend()) {
                    $this->event->alert('An error occurred while loading. Please see the event log for more information<p>' . $echo . $return . '</p>');
                }
            }
        }
        unset($modx->event->params);
        if (is_array($return) || is_object($return)) {
            return $return;
        } else {
            return $echo . $return;
        }
    }

    /**
     * Run snippets as per the tags in $documentSource and replace the tags with the returned values.
     *
     * @param $content
     * @return string
     * @internal param string $documentSource
     */
    public function evalSnippets($content)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (strpos($content, '[[') === false) {
            return $content;
        }

        $matches = $this->getTagsFromContent($content, '[[', ']]');

        if (empty($matches)) {
            return $content;
        }

        $this->snipLapCount++;
        if ($this->dumpSnippets) {
            $this->snippetsCode .= sprintf('<fieldset><legend><b style="color: #821517;">PARSE PASS %s</b></legend><p>The following snippets (if any) were parsed during this pass.</p>', $this->snipLapCount);
        }

        foreach ($matches[1] as $i => $call) {
            $s = &$matches[0][$i];
            if (substr($call, 0, 2) === '$_') {
                if (strpos($content, '_PHX_INTERNAL_') === false) {
                    $value = $this->_getSGVar($call);
                } else {
                    $value = $s;
                }
                if (strpos($content, $s) !== false) {
                    $content = str_replace($s, $value, $content);
                } elseif($this->debug) {
                    $this->addLog('evalSnippetsSGVar parse error', $_SERVER['REQUEST_URI'] . $s, 2);
                }
                continue;
            }
            $value = $this->_get_snip_result($call);
            if (is_null($value)) {
                continue;
            }

            if (strpos($content, $s) !== false) {
                $content = str_replace($s, $value, $content);
            } elseif($this->debug) {
                $this->addLog('evalSnippets parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }

        if ($this->dumpSnippets) {
            $this->snippetsCode .= '</fieldset><br />';
        }

        return $content;
    }

    /**
     * @param $value
     * @return mixed|string
     */
    public function _getSGVar($value)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    { // Get super globals
        $key = $value;
        $_ = $this->config['enable_filter'];

        $this->config['enable_filter'] = 1;
        list($key, $modifiers) = $this->splitKeyAndFilter($key);
        $this->config['enable_filter'] = $_;
        $key = str_replace(array('(', ')'), array("['", "']"), $key);
        $key = rtrim($key, ';');
        if (strpos($key, '$_SESSION') !== false) {
            $_ = $_SESSION;
            $key = str_replace('$_SESSION', '$_', $key);
            if (isset($_['mgrFormValues'])) {
                unset($_['mgrFormValues']);
            }
            if (isset($_['token'])) {
                unset($_['token']);
            }
        }
        if (strpos($key, '[') !== false) {
            $value = $key ? eval("return {$key};") : '';

        } elseif (0 < eval("return count({$key});")) {

            $value = eval("return print_r({$key},true);");

        } else {
            $value = '';
        }
        if ($modifiers !== false) {
            $value = $this->applyFilter($value, $modifiers, $key);
        }
        return $value;
    }

    /**
     * @param $piece
     * @return null|string

     */
    private function _get_snip_result($piece)

    {
        if (ltrim($piece) !== $piece) {
            return '';
        }

        $eventtime = $this->dumpSnippets ? $this->getMicroTime() : 0;

        $snip_call = $this->_split_snip_call($piece);
        $key = $snip_call['name'];

        list($key, $modifiers) = $this->splitKeyAndFilter($key);
        $snip_call['name'] = $key;
        $snippetObject = $this->_getSnippetObject($key);
        if (is_null($snippetObject['content'])) {
            return null;
        }

        $this->currentSnippet = $snippetObject['name'];

        // current params
        $params = $this->getParamsFromString($snip_call['params']);

        if (!isset($snippetObject['properties'])) {
            $snippetObject['properties'] = array();
        }
        $default_params = $this->parseProperties($snippetObject['properties'], $this->currentSnippet, 'snippet');
        $params = array_merge($default_params, $params);

        $value = $this->evalSnippet($snippetObject['content'], $params);
        $this->currentSnippet = '';
        if ($modifiers !== false) {
            $value = $this->applyFilter($value, $modifiers, $key);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        }

        if ($this->dumpSnippets) {
            $eventtime = $this->getMicroTime() - $eventtime;
            $eventtime = sprintf('%2.2f ms', $eventtime * 1000);
            $code = str_replace("\t", '  ', $this->getPhpCompat()->htmlspecialchars($value));
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $piece = str_replace("\t", '  ', $this->getPhpCompat()->htmlspecialchars($piece));
            $print_r_params = str_replace("\t", '  ', $this->getPhpCompat()->htmlspecialchars('$modx->event->params = ' . print_r($params, true)));
            $this->snippetsCode .= sprintf('<fieldset style="margin:1em;"><legend><b>%s</b>(%s)</legend><pre style="white-space: pre-wrap;background-color:#fff;width:90%%;">[[%s]]</pre><pre style="white-space: pre-wrap;background-color:#fff;width:90%%;">%s</pre><pre style="white-space: pre-wrap;background-color:#fff;width:90%%;">%s</pre></fieldset>', $snippetObject['name'], $eventtime, $piece, $print_r_params, $code);
            $this->snippetsTime[] = array('sname' => $key, 'time' => $eventtime);
        }
        return $value;
    }

    /**
     * @param string $string
     * @return array

     */
    public function getParamsFromString($string = '')
    {
        if (empty($string)) {
            return array();
        }

        if (strpos($string, '&_PHX_INTERNAL_') !== false) {
            $string = str_replace(array('&_PHX_INTERNAL_091_&', '&_PHX_INTERNAL_093_&'), array('[', ']'), $string);
        }

        $_ = $this->documentOutput;

        $this->documentOutput = $string;
        $this->invokeEvent('OnBeforeParseParams');
        $string = $this->documentOutput;
        $this->documentOutput = $_;

        $_tmp = $string;
        $_tmp = ltrim($_tmp, '?&');
        $temp_params = array();
        $key = '';
        $value = null;
        while ($_tmp !== '') {
            $bt = $_tmp;

            $char = substr($_tmp, 0, 1);
            $_tmp = substr($_tmp, 1);

            if ($char === '=') {
                $_tmp = trim($_tmp);
                $delim = substr($_tmp, 0, 1);
                if (in_array($delim, array('"', "'", '`'))) {
                    $null = null;
                    //list(, $value, $_tmp)

                    list($null, $value, $_tmp) = explode($delim, $_tmp, 3);
                    unset($null);

                    if (substr(trim($_tmp), 0, 2) === '//') {
                        $_tmp = strstr(trim($_tmp), "\n");
                    }
                    $i = 0;
                    while ($delim === '`' && substr(trim($_tmp), 0, 1) !== '&' && 1 < substr_count($_tmp, '`')) {
                        list($inner, $outer, $_tmp) = explode('`', $_tmp, 3);
                        $value .= "`{$inner}`{$outer}";
                        $i++;
                        if (100 < $i) {
                            exit('The nest of values are hard to read. Please use three different quotes.');

                        }
                    }
                    if ($i && $delim === '`') {
                        $value = rtrim($value, '`');
                    }
                } elseif (strpos($_tmp, '&') !== false) {
                    list($value, $_tmp) = explode('&', $_tmp, 2);
                    $value = trim($value);
                } else {
                    $value = $_tmp;
                    $_tmp = '';
                }
            } elseif ($char === '&') {
                if (trim($key) !== '') {
                    $value = '1';
                } else {
                    continue;
                }
            } elseif ($_tmp === '') {
                $key .= $char;
                $value = '1';
            } elseif ($key !== '' || trim($char) !== '') {
                $key .= $char;
            }

            if (isset($value) && !is_null($value)) {
                if (strpos($key, 'amp;') !== false) {
                    $key = str_replace('amp;', '', $key);
                }
                $key = trim($key);
                if (strpos($value, '[!') !== false) {
                    $value = str_replace(array('[!', '!]'), array('[[', ']]'), $value);
                }
                $value = $this->mergeDocumentContent($value);
                $value = $this->mergeSettingsContent($value);
                $value = $this->mergeChunkContent($value);
                $value = $this->evalSnippets($value);
                if (substr($value, 0, 6) !== '@CODE:') {
                    $value = $this->mergePlaceholderContent($value);
                }

                $temp_params[][$key] = $value;

                $key = '';
                $value = null;

                $_tmp = ltrim($_tmp, " ,\t");
                if (substr($_tmp, 0, 2) === '//') {
                    $_tmp = strstr($_tmp, "\n");
                }
            }

            if ($_tmp === $bt) {
                $key = trim($key);
                if ($key !== '') {
                    $temp_params[][$key] = '';
                }
                break;
            }
        }

        foreach ($temp_params as $p) {
            $k = key($p);
            if (substr($k, -2) === '[]') {
                $k = substr($k, 0, -2);
                $params[$k][] = current($p);
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            } elseif (strpos($k, '[') !== false && substr($k, -1) === ']') {
                list($k, $subk) = explode('[', $k, 2);
                $subk = substr($subk, 0, -1);
                $params[$k][$subk] = current($p);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            } else {
                $params[$k] = current($p);
            }
        }
        return $params;
    }

    /**
     * @param $str
     * @return bool|int

     */
    public function _getSplitPosition($str)
    {
        $closeOpt = false;
        $maybePos = false;
        $inFilter = false;
        $pos = false;
        $total = strlen($str);
        for ($i = 0; $i < $total; $i++) {
            $c = substr($str, $i, 1);

            $cc = substr($str, $i, 2);

            if (!$inFilter) {
                if ($c === ':') {
                    $inFilter = true;
                } elseif ($c === '?') {
                    $pos = $i;
                } elseif ($c === ' ') {
                    $maybePos = $i;
                } elseif ($c === '&' && $maybePos) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
                    $pos = $maybePos;
                } elseif ($c === "\n") {
                    $pos = $i;
                } else {
                    $pos = false;
                }
            } else {
                if ($cc == $closeOpt) {
                    $closeOpt = false;
                } elseif ($c == $closeOpt) {
                    $closeOpt = false;
                } elseif ($closeOpt) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                    continue;
                } elseif ($cc === "('") {
                    $closeOpt = "')";
                } elseif ($cc === '("') {
                    $closeOpt = '")';
                } elseif ($cc === '(`') {
                    $closeOpt = '`)';
                } elseif ($c === '(') {
                    $closeOpt = ')';
                } elseif ($c === '?') {
                    $pos = $i;
                } elseif ($c === ' ' && strpos($str, '?') === false) {
                    $pos = $i;
                } else {
                    $pos = false;
                }
            }
            if ($pos) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
                break;
            }
        }
        return $pos;
    }

    /**
     * @param $call
     * @return mixed

     */
    private function _split_snip_call($call)

    {
        $spacer = md5('dummy');
        if (strpos($call, ']]>') !== false) {
            $call = str_replace(']]>', "]{$spacer}]>", $call);
        }

        $splitPosition = $this->_getSplitPosition($call);

        if ($splitPosition !== false) {
            $name = substr($call, 0, $splitPosition);
            $params = substr($call, $splitPosition + 1);
        } else {
            $name = $call;
            $params = '';
        }

        $snip['name'] = trim($name);
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
        if (strpos($params, $spacer) !== false) {
            $params = str_replace("]{$spacer}]>", ']]>', $params);
        }
        $snip['params'] = ltrim($params, "?& \t\n");

        return $snip;
    }

    /**
     * @param $snip_name
     * @return mixed

     */
    private function _getSnippetObject($snip_name)

    {
        if (isset($this->snippetCache[$snip_name])) {
            $snippetObject['name'] = $snip_name;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            $snippetObject['content'] = $this->snippetCache[$snip_name];
            if (isset($this->snippetCache["{$snip_name}Props"])) {
                if (!isset($this->snippetCache["{$snip_name}Props"])) {
                    $this->snippetCache["{$snip_name}Props"] = '';
                }
                $snippetObject['properties'] = $this->snippetCache["{$snip_name}Props"];
            }
        } elseif (substr($snip_name, 0, 1) === '@' && isset($this->pluginEvent[trim($snip_name, '@')])) {
            $snippetObject['name'] = trim($snip_name, '@');
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            $snippetObject['content'] = sprintf('$rs=$this->invokeEvent("%s",$params);echo trim(implode("",$rs));', trim($snip_name, '@'));
            $snippetObject['properties'] = '';
        } else {
            $where = sprintf("name='%s' AND disabled=0", $this->getDatabase()->escape($snip_name));
            $rs = $this->getDatabase()->select(

                '`name`, `snippet`, `properties`',
                $this->getDatabase()->getFullTableName('site_snippets'),
                $where
            );
            $count = $this->getDatabase()->getRecordCount($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if (1 < $count) {
                exit('Error $modx->_getSnippetObject()' . $snip_name);

            }
            if ($count) {
                $row = $this->getDatabase()->getRow($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $snip_content = $row['snippet'];
                $snip_prop = $row['properties'];
            } else {
                $snip_content = null;
                $snip_prop = '';
            }
            $snippetObject['name'] = $snip_name;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            $snippetObject['content'] = $snip_content;
            $snippetObject['properties'] = $snip_prop;
            $this->snippetCache[$snip_name] = $snip_content;
            $this->snippetCache["{$snip_name}Props"] = $snip_prop;
        }
        return $snippetObject;
    }

    /**
     * @param $text
     * @return mixed
     */
    public function toAlias($text)
    {
        $suff = $this->config['friendly_url_suffix'];
        return str_replace(array('.xml' . $suff, '.rss' . $suff, '.js' . $suff, '.css' . $suff, '.txt' . $suff, '.json' . $suff, '.pdf' . $suff), array('.xml', '.rss', '.js', '.css', '.txt', '.json', '.pdf'), $text);
    }

    /**
     * makeFriendlyURL
     *
     * @desc Create an URL.
     *
     * @param $pre {string} - Friendly URL Prefix. @required
     * @param $suff {string} - Friendly URL Suffix. @required
     * @param $alias {string} - Full document path. @required
     * @param int $isfolder {0; 1}
     * - Is it a folder? Default: 0.
     * @param int $id {integer}
     * - Document id. Default: 0.
     * @return mixed|string {string} - Result URL.
     * - Result URL.
     */
    public function makeFriendlyURL($pre, $suff, $alias, $isfolder = 0, $id = 0)
    {
        if ($id == $this->config['site_start'] && $this->config['seostrict'] === '1') {
            $url = $this->config['base_url'];
        } else {
            $Alias = explode('/', $alias);
            $alias = array_pop($Alias);
            $dir = implode('/', $Alias);
            unset($Alias);

            if ($this->config['make_folders'] === '1' && $isfolder == 1) {
                $suff = '/';
            }

            $url = ($dir != '' ? $dir . '/' : '') . $pre . $alias . $suff;
        }

        $evtOut = $this->invokeEvent('OnMakeDocUrl', array(
            'id' => $id,
            'url' => $url
        ));

        if (is_array($evtOut) && count($evtOut) > 0) {
            $url = array_pop($evtOut);
        }

        return $url;
    }

    /**
     * Convert URL tags [~...~] to URLs
     *
     * @param string $documentSource
     * @return string
     */
    public function rewriteUrls($documentSource)
    {
        // rewrite the urls
        if ($this->config['friendly_urls'] == 1) {
            $aliases = array();
            if (is_array($this->documentListing)) {
                foreach ($this->documentListing as $path => $docid) { // This is big Loop on large site!
                    $aliases[$docid] = $path;
                    $isfolder[$docid] = $this->aliasListing[$docid]['isfolder'];
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
                }
            }

            if ($this->config['aliaslistingfolder'] == 1) {
                preg_match_all('!\[\~([0-9]+)\~\]!ise', $documentSource, $match);
                $ids = implode(',', array_unique($match['1']));
                if ($ids) {
                    $res = $this->getDatabase()->select("id,alias,isfolder,parent,alias_visible", $this->getDatabase()->getFullTableName('site_content'), "id IN (" . $ids . ") AND isfolder = '0'");
                    while ($row = $this->getDatabase()->getRow($res)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                        if ($this->config['use_alias_path'] == '1' && $row['parent'] != 0) {
                            $parent = $row['parent'];
                            $path = $aliases[$parent];

                            while (isset($this->aliasListing[$parent]) && $this->aliasListing[$parent]['alias_visible'] == 0) {
                                $path = $this->aliasListing[$parent]['path'];
                                $parent = $this->aliasListing[$parent]['parent'];
                            }

                            $aliases[$row['id']] = $path . '/' . $row['alias'];
                        } else {
                            $aliases[$row['id']] = $row['alias'];
                        }
                        $isfolder[$row['id']] = '0';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    }
                }
            }
            $in = '!\[\~([0-9]+)\~\]!is';

            $isfriendly = ($this->config['friendly_alias_urls'] == 1 ? 1 : 0);
            $pref = $this->config['friendly_url_prefix'];
            $suff = $this->config['friendly_url_suffix'];
            $documentSource = preg_replace_callback($in, function ($m) use ($aliases, $isfolder, $isfriendly, $pref, $suff) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                global $modx;
                $thealias = $aliases[$m[1]];
                $thefolder = $isfolder[$m[1]];
                if ($isfriendly && isset($thealias)) {
                    //found friendly url
                    $out = ($modx->config['seostrict'] == '1' ? $modx->toAlias($modx->makeFriendlyURL($pref, $suff, $thealias, $thefolder, $m[1])) : $modx->makeFriendlyURL($pref, $suff, $thealias, $thefolder, $m[1]));
                } else {
                    //not found friendly url
                    $out = $modx->makeFriendlyURL($pref, $suff, $m[1]);
                }
                return $out;
            }, $documentSource);

        } else {
            $in = '!\[\~([0-9]+)\~\]!is';
            $out = "index.php?id=" . '\1';
            $documentSource = preg_replace($in, $out, $documentSource);
        }

        return $documentSource;
    }

    public function sendStrictURI()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $q = $this->q;

        // FIX URLs
        if (empty($this->documentIdentifier) || $this->config['seostrict'] == '0' || $this->config['friendly_urls'] == '0') {
            return;
        }
        if ($this->config['site_status'] == 0) {
            return;
        }

        $scheme = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
        $len_base_url = strlen($this->config['base_url']);

        $url_path = $q;//LANG

        if (substr($url_path, 0, $len_base_url) === $this->config['base_url']) {
            $url_path = substr($url_path, $len_base_url);
        }

        $strictURL = $this->toAlias($this->makeUrl($this->documentIdentifier));

        if (substr($strictURL, 0, $len_base_url) === $this->config['base_url']) {
            $strictURL = substr($strictURL, $len_base_url);
        }
        $http_host = $_SERVER['HTTP_HOST'];
        $requestedURL = "{$scheme}://{$http_host}" . '/' . $q; //LANG

        $site_url = $this->config['site_url'];
        $url_query_string = explode('?', $_SERVER['REQUEST_URI']);
        // Strip conflicting id/q from query string
        $qstring = !empty($url_query_string[1]) ? preg_replace("#(^|&)(q|id)=[^&]+#", '', $url_query_string[1]) : '';

        if ($this->documentIdentifier == $this->config['site_start']) {
            if ($requestedURL != $this->config['site_url']) {
                // Force redirect of site start
                // $this->sendErrorPage();

                if ($qstring) {
                    $url = "{$site_url}?{$qstring}";
                } else {
                    $url = $site_url;
                }
                if ($this->config['base_url'] != $_SERVER['REQUEST_URI']) {
                    if (empty($_POST)) {
                        if (($this->config['base_url'] . '?' . $qstring) != $_SERVER['REQUEST_URI']) {
                            $this->sendRedirect($url, 0, 'REDIRECT_HEADER', 'HTTP/1.0 301 Moved Permanently');
                            exit(0);

                        }
                    }
                }
            }
        } elseif ($url_path != $strictURL && $this->documentIdentifier != $this->config['error_page']) {
            // Force page redirect
            //$strictURL = ltrim($strictURL,'/');

            if (!empty($qstring)) {
                $url = "{$site_url}{$strictURL}?{$qstring}";
            } else {
                $url = "{$site_url}{$strictURL}";
            }
            $this->sendRedirect($url, 0, 'REDIRECT_HEADER', 'HTTP/1.0 301 Moved Permanently');
            exit(0);

        }
        return;
    }

    /**
     * Get all db fields and TVs for a document/resource
     *
     * @param string $method
     * @param mixed $identifier
     * @param bool $isPrepareResponse
     * @return array
     */
    public function getDocumentObject($method, $identifier, $isPrepareResponse = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        $tblsc = $this->getDatabase()->getFullTableName("site_content");
        $tbldg = $this->getDatabase()->getFullTableName("document_groups");

        // allow alias to be full path
        if ($method == 'alias') {
            $identifier = $this->cleanDocumentIdentifier($identifier);
            $method = $this->documentMethod;
        }
        if ($method == 'alias' && $this->config['use_alias_path'] && array_key_exists($identifier, $this->documentListing)) {
            $method = 'id';
            $identifier = $this->documentListing[$identifier];
        }

        $out = $this->invokeEvent('OnBeforeLoadDocumentObject', compact('method', 'identifier'));
        if (is_array($out) && is_array($out[0])) {
            $documentObject = $out[0];
        } else {
            // get document groups for current user
            if ($docgrp = $this->getUserDocGroups()) {
                $docgrp = implode(",", $docgrp);
            }
            // get document
            $access = ($this->isFrontend() ? "sc.privateweb=0" : "1='" . $_SESSION['mgrRole'] . "' OR sc.privatemgr=0") . (!$docgrp ? "" : " OR dg.document_group IN ($docgrp)");
            $rs = $this->getDatabase()->select('sc.*', "{$tblsc} sc

                LEFT JOIN {$tbldg} dg ON dg.document = sc.id", "sc.{$method} = '{$identifier}' AND ({$access})", "", 1);
            if ($this->getDatabase()->getRecordCount($rs) < 1) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $seclimit = 0;
                if ($this->config['unauthorized_page']) {
                    // method may still be alias, while identifier is not full path alias, e.g. id not found above
                    if ($method === 'alias') {
                        $secrs = $this->getDatabase()->select('count(dg.id)', "{$tbldg} as dg, {$tblsc} as sc", "dg.document = sc.id AND sc.alias = '{$identifier}'", '', 1);
                    } else {
                        $secrs = $this->getDatabase()->select('count(id)', $tbldg, "document = '{$identifier}'", '', 1);
                    }
                    // check if file is not public
                    $seclimit = $this->getDatabase()->getValue($secrs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                }
                if ($seclimit > 0) {
                    // match found but not publicly accessible, send the visitor to the unauthorized_page
                    $this->sendUnauthorizedPage();
                    exit; // stop here

                } else {
                    $this->sendErrorPage();
                    exit;

                }
            }
            # this is now the document :) #

            $documentObject = $this->getDatabase()->getRow($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

            if ($isPrepareResponse === 'prepareResponse') {
                $this->documentObject = &$documentObject;
            }
            $out = $this->invokeEvent('OnLoadDocumentObject', compact('method', 'identifier', 'documentObject'));
            if (is_array($out) && is_array($out[0])) {
                $documentObject = $out[0];
            }
            if ($documentObject['template']) {
                // load TVs and merge with document - Orig by Apodigm - Docvars
                $rs = $this->getDatabase()->select("tv.*, IF(tvc.value!='',tvc.value,tv.default_text) as value", $this->getDatabase()->getFullTableName("site_tmplvars") . " tv
                INNER JOIN " . $this->getDatabase()->getFullTableName("site_tmplvar_templates") . " tvtpl ON tvtpl.tmplvarid = tv.id
                LEFT JOIN " . $this->getDatabase()->getFullTableName("site_tmplvar_contentvalues") . " tvc ON tvc.tmplvarid=tv.id AND tvc.contentid = '{$documentObject['id']}'", "tvtpl.templateid = '{$documentObject['template']}'");
                $tmplvars = array();
                while ($row = $this->getDatabase()->getRow($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    $tmplvars[$row['name']] = array(
                        $row['name'],
                        $row['value'],
                        $row['display'],
                        $row['display_params'],
                        $row['type']
                    );
                }
                $documentObject = array_merge($documentObject, $tmplvars);
            }
            $out = $this->invokeEvent('OnAfterLoadDocumentObject', compact('method', 'identifier', 'documentObject'));
            if (is_array($out) && array_key_exists(0, $out) !== false && is_array($out[0])) {
                $documentObject = $out[0];
            }
        }

        $this->tmpCache[__FUNCTION__][$cacheKey] = $documentObject;

        return $documentObject;
    }

    /**
     * Parse a source string.
     *
     * Handles most MODX tags. Exceptions include:
     *   - uncached snippet tags [!...!]
     *   - URL tags [~...~]
     *
     * @param string $source
     * @return string
     */
    public function parseDocumentSource($source)
    {
        // set the number of times we are to parse the document source
        $this->minParserPasses = empty ($this->minParserPasses) ? 2 : $this->minParserPasses;
        $this->maxParserPasses = empty ($this->maxParserPasses) ? 10 : $this->maxParserPasses;
        $passes = $this->minParserPasses;
        for ($i = 0; $i < $passes; $i++) {
            // get source length if this is the final pass
            if ($i == ($passes - 1)) {
                $st = md5($source);

            }
            if ($this->dumpSnippets == 1) {
                $this->snippetsCode .= "<fieldset><legend><b style='color: #821517;'>PARSE PASS " . ($i + 1) . "</b></legend><p>The following snippets (if any) were parsed during this pass.</p>";
            }

            // invoke OnParseDocument event
            $this->documentOutput = $source; // store source code so plugins can
            $this->invokeEvent("OnParseDocument"); // work on it via $modx->documentOutput
            $source = $this->documentOutput;

            if ($this->config['enable_at_syntax']) {
                $source = $this->ignoreCommentedTagsContent($source);
                $source = $this->mergeConditionalTagsContent($source);
            }

            $source = $this->mergeSettingsContent($source);
            $source = $this->mergeDocumentContent($source);
            $source = $this->mergeChunkContent($source);
            $source = $this->evalSnippets($source);
            $source = $this->mergePlaceholderContent($source);

            if ($this->dumpSnippets == 1) {
                $this->snippetsCode .= "</fieldset><br />";
            }
            if ($i == ($passes - 1) && $i < ($this->maxParserPasses - 1)) {
                // check if source content was changed
                if ($st != md5($source)) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    $passes++;
                } // if content change then increase passes because
            } // we have not yet reached maxParserPasses
        }
        return $source;
    }

    /**
     * Starts the parsing operations.
     *
     * - connects to the db
     * - gets the settings (including system_settings)
     * - gets the document/resource identifier as in the query string
     * - finally calls prepareResponse()
     */
    public function executeParser()
    {
        if(MODX_CLI) {
            throw new \RuntimeException('Call DocumentParser::executeParser on CLI mode');
        }

        //error_reporting(0);
        set_error_handler(array(
            & $this,
            "phpError"
        ), E_ALL);
        $this->getDatabase()->connect();

        // get the settings
        if (empty ($this->config)) {
            $this->getSettings();
        }

        $this->_IIS_furl_fix(); // IIS friendly url fix

        // check site settings
        if ($this->checkSiteStatus()) {
            // make sure the cache doesn't need updating
            $this->updatePubStatus();

            // find out which document we need to display
            $this->documentMethod = filter_input(INPUT_GET, 'q') ? 'alias' : 'id';
            $this->documentIdentifier = $this->getDocumentIdentifier($this->documentMethod);
        } else {
            header('HTTP/1.0 503 Service Unavailable');
            $this->systemCacheKey = 'unavailable';
            if (!$this->config['site_unavailable_page']) {
                // display offline message
                $this->documentContent = $this->config['site_unavailable_message'];
                $this->outputContent();
                exit; // stop processing here, as the site's offline

            } else {
                // setup offline page document settings
                $this->documentMethod = 'id';
                $this->documentIdentifier = $this->config['site_unavailable_page'];
            }
        }

        if ($this->documentMethod == "alias") {
            $this->documentIdentifier = $this->cleanDocumentIdentifier($this->documentIdentifier);

            // Check use_alias_path and check if $this->virtualDir is set to anything, then parse the path
            if ($this->config['use_alias_path'] == 1) {
                $alias = (strlen($this->virtualDir) > 0 ? $this->virtualDir . '/' : '') . $this->documentIdentifier;
                if (isset($this->documentListing[$alias])) {
                    $this->documentIdentifier = $this->documentListing[$alias];
                } else {
                    //@TODO: check new $alias;

                    if ($this->config['aliaslistingfolder'] == 1) {
                        $tbl_site_content = $this->getDatabase()->getFullTableName('site_content');

                        $parentId = $this->getIdFromAlias($this->virtualDir);
                        $parentId = ($parentId > 0) ? $parentId : '0';

                        $docAlias = $this->getDatabase()->escape($this->documentIdentifier);

                        $rs = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and parent='{$parentId}' and alias='{$docAlias}'");

                        if ($this->getDatabase()->getRecordCount($rs) == 0) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                            $this->sendErrorPage();
                        }
                        $docId = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

                        if (!$docId) {
                            $alias = $this->q;
                            if (!empty($this->config['friendly_url_suffix'])) {
                                $pos = strrpos($alias, $this->config['friendly_url_suffix']);

                                if ($pos !== false) {
                                    $alias = substr($alias, 0, $pos);
                                }
                            }
                            $docId = $this->getIdFromAlias($alias);
                        }

                        if ($docId > 0) {
                            $this->documentIdentifier = $docId;
                        } else {
                            /*

                            $rs  = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and alias='{$docAlias}'");
                            if($this->getDatabase()->getRecordCount($rs)==0)
                            {
                                $rs  = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and id='{$docAlias}'");
                            }
                            $docId = $this->getDatabase()->getValue($rs);

                            if ($docId > 0)
                            {
                                $this->documentIdentifier = $docId;

                            }else{
                            */
                            $this->sendErrorPage();
                            //}
                        }
                    } else {
                        $this->sendErrorPage();
                    }
                }
            } else {
                if (isset($this->documentListing[$this->documentIdentifier])) {
                    $this->documentIdentifier = $this->documentListing[$this->documentIdentifier];
                } else {
                    $docAlias = $this->getDatabase()->escape($this->documentIdentifier);
                    $rs = $this->getDatabase()->select('id', $this->getDatabase()->getFullTableName('site_content'), "deleted=0 and alias='{$docAlias}'");
                    $this->documentIdentifier = (int)$this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                }
            }
            $this->documentMethod = 'id';
        }

        //$this->_fixURI();

        // invoke OnWebPageInit event
        $this->invokeEvent("OnWebPageInit");
        // invoke OnLogPageView event
        if ($this->config['track_visitors'] == 1) {
            $this->invokeEvent("OnLogPageHit");
        }
        if ($this->config['seostrict'] === '1') {
            $this->sendStrictURI();
        }
        $this->prepareResponse();
    }

    /**
     * @param $path
     * @param null $suffix
     * @return mixed
     */
    public function mb_basename($path, $suffix = null)

    {
        $exp = explode('/', $path);
        return str_replace($suffix, '', end($exp));
    }

    public function _IIS_furl_fix()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->config['friendly_urls'] != 1) {
            return;
        }

        if (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') === false) {
            return;
        }

        $url = $_SERVER['QUERY_STRING'];
        $err = substr($url, 0, 3);
        if ($err !== '404' && $err !== '405') {
            return;
        }

        $k = array_keys($_GET);

        unset ($_GET[$k[0]]);
        unset ($_REQUEST[$k[0]]); // remove 404,405 entry

        $qp = parse_url(str_replace($this->config['site_url'], '', substr($url, 4)));

        $_SERVER['QUERY_STRING'] = $qp['query'];
        if (!empty ($qp['query'])) {
            parse_str($qp['query'], $qv);

            foreach ($qv as $n => $v) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
                $_REQUEST[$n] = $_GET[$n] = $v;
            }
        }
        $_SERVER['PHP_SELF'] = $this->config['base_url'] . $qp['path'];
        $this->q = $qp['path'];
        return $qp['path'];
    }

    /**
     * The next step called at the end of executeParser()
     *
     * - checks cache
     * - checks if document/resource is deleted/unpublished
     * - checks if resource is a weblink and redirects if so
     * - gets template and parses it
     * - ensures that postProcess is called when PHP is finished
     */
    public function prepareResponse()
    {
        // we now know the method and identifier, let's check the cache

        if ($this->config['enable_cache'] == 2 && $this->isLoggedIn()) {
            $this->config['enable_cache'] = 0;
        }

        if ($this->config['enable_cache']) {
            $this->documentContent = $this->getDocumentObjectFromCache($this->documentIdentifier, true);
        } else {
            $this->documentContent = '';
        }

        if ($this->documentContent == '') {
            // get document object from DB
            $this->documentObject = $this->getDocumentObject($this->documentMethod, $this->documentIdentifier, 'prepareResponse');

            // write the documentName to the object
            $this->documentName = &$this->documentObject['pagetitle'];

            // check if we should not hit this document
            if ($this->documentObject['donthit'] == 1) {
                $this->config['track_visitors'] = 0;
            }

            if ($this->documentObject['deleted'] == 1) {
                $this->sendErrorPage();
            } // validation routines
            elseif ($this->documentObject['published'] == 0) {
                $this->_sendErrorForUnpubPage();
            } elseif ($this->documentObject['type'] == 'reference') {
                $this->_sendRedirectForRefPage($this->documentObject['content']);
            }

            // get the template and start parsing!
            if (!$this->documentObject['template']) {
                $templateCode = '[*content*]';
            } // use blank template
            else {
                $templateCode = $this->_getTemplateCodeFromDB($this->documentObject['template']);
            }

            if (substr($templateCode, 0, 8) === '@INCLUDE') {
                $templateCode = $this->atBindInclude($templateCode);
            }


            $this->documentContent = &$templateCode;

            // invoke OnLoadWebDocument event
            $this->invokeEvent('OnLoadWebDocument');

            // Parse document source
            $this->documentContent = $this->parseDocumentSource($templateCode);

            $this->documentGenerated = 1;
        } else {
            $this->documentGenerated = 0;
        }

        if ($this->config['error_page'] == $this->documentIdentifier && $this->config['error_page'] != $this->config['site_start']) {
            header('HTTP/1.0 404 Not Found');
        }

        register_shutdown_function(array(
            &$this,
            'postProcess'
        )); // tell PHP to call postProcess when it shuts down
        $this->outputContent();
        //$this->postProcess();

    }

    public function _sendErrorForUnpubPage()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        // Can't view unpublished pages !$this->checkPreview()
        if (!$this->hasPermission('view_unpublished')) {
            $this->sendErrorPage();
        } else {
            $udperms = new Legacy\Permissions();
            $udperms->user = $this->getLoginUserID();
$answer = 42;

$correct = false;

$correct = (bool) $answer;
            $udperms->document = $this->documentIdentifier;
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}
            $udperms->role = $_SESSION['mgrRole'];
            // Doesn't have access to this document
            if (!$udperms->checkPermissions()) {
                $this->sendErrorPage();
            }
        }
    }

    /**
     * @param $url
     */
    public function _sendRedirectForRefPage($url)
    {
        // check whether it's a reference
        if (preg_match('@^[1-9][0-9]*$@', $url)) {
            $url = $this->makeUrl($url); // if it's a bare document id
        } elseif (strpos($url, '[~') !== false) {
            $url = $this->rewriteUrls($url); // if it's an internal docid tag, process it
        }
        $this->sendRedirect($url, 0, '', 'HTTP/1.0 301 Moved Permanently');
        exit;

    }

    /**
     * @param $templateID
     * @return mixed

     */
    public function _getTemplateCodeFromDB($templateID)
    {
        $rs = $this->getDatabase()->select(

            'content',
            $this->getDatabase()->getFullTableName('site_templates'),
            "id = '{$templateID}'"
        );
        if ($this->getDatabase()->getRecordCount($rs) == 1) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            return $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        } else {
            $this->messageQuit('Incorrect number of templates returned from database');
        }
    }

    /**
     * Returns an array of all parent record IDs for the id passed.
     *
     * @param int $id Docid to get parents for.
     * @param int $height The maximum number of levels to go up, default 10.
     * @return array
     */
    public function getParentIds($id, $height = 10)
    {
        $parents = array();
        while ($id && $height--) {
            $thisid = $id;
            if ($this->config['aliaslistingfolder'] == 1) {
                $id = isset($this->aliasListing[$id]['parent']) ? $this->aliasListing[$id]['parent'] : $this->getDatabase()->getValue("SELECT `parent` FROM " . $this->getDatabase()->getFullTableName("site_content") . " WHERE `id` = '{$id}' LIMIT 0,1");
                if (!$id || $id == '0') {
                    break;
                }
            } else {
                $id = $this->aliasListing[$id]['parent'];
                if (!$id) {
                    break;
                }
            }
            $parents[$thisid] = $id;
        }
        return $parents;
    }

    /**
     * @param $id
     * @param int $top
     * @return mixed
     */
    public function getUltimateParentId($id, $top = 0)
    {
        $i = 0;
        while ($id && $i < 20) {
            if ($top == $this->aliasListing[$id]['parent']) {
                break;
            }
            $id = $this->aliasListing[$id]['parent'];
            $i++;
        }
        return $id;
    }

    /**
     * Returns an array of child IDs belonging to the specified parent.
     *
     * @param int $id The parent resource/document to start from
     * @param int $depth How many levels deep to search for children, default: 10
     * @param array $children Optional array of docids to merge with the result.
     * @return array Contains the document Listing (tree) like the sitemap
     */
    public function getChildIds($id, $depth = 10, $children = array())
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        if ($this->config['aliaslistingfolder'] == 1) {

            $res = $this->getDatabase()->select("id,alias,isfolder,parent", $this->getDatabase()->getFullTableName('site_content'), "parent IN (" . $id . ") AND deleted = '0'");
            $idx = array();
            while ($row = $this->getDatabase()->getRow($res)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $pAlias = '';
                if (isset($this->aliasListing[$row['parent']])) {
                    $pAlias .= !empty($this->aliasListing[$row['parent']]['path']) ? $this->aliasListing[$row['parent']]['path'] . '/' : '';
                    $pAlias .= !empty($this->aliasListing[$row['parent']]['alias']) ? $this->aliasListing[$row['parent']]['alias'] . '/' : '';
                };
                $children[$pAlias . $row['alias']] = $row['id'];
                if ($row['isfolder'] == 1) {
                    $idx[] = $row['id'];
                }
            }
            $depth--;
            $idx = implode(',', $idx);
            if (!empty($idx)) {
                if ($depth) {
                    $children = $this->getChildIds($idx, $depth, $children);
                }
            }
            $this->tmpCache[__FUNCTION__][$cacheKey] = $children;
            return $children;

        } else {

            // Initialise a static array to index parents->children
            static $documentMap_cache = array();
            if (!count($documentMap_cache)) {
                foreach ($this->documentMap as $document) {
                    foreach ($document as $p => $c) {
                        $documentMap_cache[$p][] = $c;
                    }
                }
            }

            // Get all the children for this parent node
            if (isset($documentMap_cache[$id])) {
                $depth--;

                foreach ($documentMap_cache[$id] as $childId) {
                    $pkey = (strlen($this->aliasListing[$childId]['path']) ? "{$this->aliasListing[$childId]['path']}/" : '') . $this->aliasListing[$childId]['alias'];
                    if (!strlen($pkey)) {
                        $pkey = "{$childId}";
                    }
                    $children[$pkey] = $childId;

                    if ($depth && isset($documentMap_cache[$childId])) {
                        $children += $this->getChildIds($childId, $depth);
                    }
                }
            }
            $this->tmpCache[__FUNCTION__][$cacheKey] = $children;
            return $children;

        }
    }

    /**
     * Displays a javascript alert message in the web browser and quit
     *
     * @param string $msg Message to show
     * @param string $url URL to redirect to
     */
    public function webAlertAndQuit($msg, $url = '')
    {
        global $modx_manager_charset;
function myFunction($a, $b) {
    // Do something
}
        switch (true) {
            case (0 === stripos($url, 'javascript:')):
                $fnc = substr($url, 11);
                break;
            case $url === '#':
                $fnc = '';
                break;
            case empty($url):
                $fnc = 'history.back(-1);';
                break;
            default:
                $fnc = "window.location.href='" . addslashes($url) . "';";
        }

        echo "<html><head>
            <title>MODX :: Alert</title>
            <meta http-equiv=\"Content-Type\" content=\"text/html; charset={$modx_manager_charset};\">
            <script>
                function __alertQuit() {
                    var el = document.querySelector('p');
                    alert(el.innerHTML);
                    el.remove();
                    {$fnc}
                }
                window.setTimeout('__alertQuit();',100);
            </script>
            </head><body>
            <p>{$msg}</p>
            </body></html>";
        exit;

    }

    /**
     * Returns 1 if user has the currect permission
     *
     * @param string $pm Permission name
     * @return int Why not bool?
     */
    public function hasPermission($pm)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $state = 0;
        $pms = $_SESSION['mgrPermissions'];
        if ($pms) {
            $state = ((bool)$pms[$pm] === true);
        }
        return (int)$state;
    }

    /**
     * Returns true if element is locked
     *
     * @param int $type Types: 1=template, 2=tv, 3=chunk, 4=snippet, 5=plugin, 6=module, 7=resource, 8=role
     * @param int $id Element- / Resource-id
     * @param bool $includeThisUser true = Return also info about actual user
     * @return array lock-details or null
     */
    public function elementIsLocked($type, $id, $includeThisUser = false)
    {
        $id = (int)$id;
        $type = (int)$type;
        if (!$type || !$id) {
            return null;
        }

        // Build lockedElements-Cache at first call
        $this->buildLockedElementsCache();

        if (!$includeThisUser && $this->lockedElements[$type][$id]['sid'] == $this->sid) {
            return null;
        }

        if (isset($this->lockedElements[$type][$id])) {
            return $this->lockedElements[$type][$id];
        } else {
            return null;
        }
    }

    /**
     * Returns Locked Elements as Array
     *
     * @param int $type Types: 0=all, 1=template, 2=tv, 3=chunk, 4=snippet, 5=plugin, 6=module, 7=resource, 8=role
     * @param bool $minimumDetails true =
     * @return array|mixed|null
     */
    public function getLockedElements($type = 0, $minimumDetails = false)
    {
        $this->buildLockedElementsCache();

        if (!$minimumDetails) {
            $lockedElements = $this->lockedElements;
        } else {
            // Minimum details for HTML / Ajax-requests
            $lockedElements = array();
            foreach ($this->lockedElements as $elType => $elements) {
                foreach ($elements as $elId => $el) {
                    $lockedElements[$elType][$elId] = array(
                        'username' => $el['username'],
                        'lasthit_df' => $el['lasthit_df'],
                        'state' => $this->determineLockState($el['internalKey'])
                    );
                }
            }
        }

        if ($type == 0) {
            return $lockedElements;
        }

        $type = (int)$type;
        if (isset($lockedElements[$type])) {
            return $lockedElements[$type];
        } else {
            return array();
        }
    }

    /**
     * Builds the Locked Elements Cache once
     */
    public function buildLockedElementsCache()
    {
        if (is_null($this->lockedElements)) {
            $this->lockedElements = array();
            $this->cleanupExpiredLocks();

            $rs = $this->getDatabase()->select('sid,internalKey,elementType,elementId,lasthit,username', $this->getDatabase()->getFullTableName('active_user_locks') . " ul

                LEFT JOIN {$this->getDatabase()->getFullTableName('manager_users')} mu on ul.internalKey = mu.id");
            while ($row = $this->getDatabase()->getRow($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $this->lockedElements[$row['elementType']][$row['elementId']] = array(
                    'sid' => $row['sid'],
                    'internalKey' => $row['internalKey'],
                    'username' => $row['username'],
                    'elementType' => $row['elementType'],
                    'elementId' => $row['elementId'],
                    'lasthit' => $row['lasthit'],
                    'lasthit_df' => $this->toDateFormat($row['lasthit']),
                    'state' => $this->determineLockState($row['sid'])
                );
            }
        }
    }

    /**
     * Cleans up the active user locks table
     */
    public function cleanupExpiredLocks()
    {
        // Clean-up active_user_sessions first
        $timeout = (int)$this->config['session_timeout'] < 2 ? 120 : $this->config['session_timeout'] * 60; // session.js pings every 10min, updateMail() in mainMenu pings every minute, so 2min is minimum
        $validSessionTimeLimit = $this->time - $timeout;
        $this->getDatabase()->delete($this->getDatabase()->getFullTableName('active_user_sessions'), "lasthit < {$validSessionTimeLimit}");

        // Clean-up active_user_locks
        $rs = $this->getDatabase()->select('sid,internalKey', $this->getDatabase()->getFullTableName('active_user_sessions'));

        $count = $this->getDatabase()->getRecordCount($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        if ($count) {
            $rs = $this->getDatabase()->makeArray($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $userSids = array();
            foreach ($rs as $row) {
                $userSids[] = $row['sid'];
            }
            $userSids = "'" . implode("','", $userSids) . "'";
            $this->getDatabase()->delete($this->getDatabase()->getFullTableName('active_user_locks'), "sid NOT IN({$userSids})");
        } else {
            $this->getDatabase()->delete($this->getDatabase()->getFullTableName('active_user_locks'));
        }

    }

    /**
     * Cleans up the active users table
     */
    public function cleanupMultipleActiveUsers()
    {
        $timeout = 20 * 60; // Delete multiple user-sessions after 20min
        $validSessionTimeLimit = $this->time - $timeout;

        $activeUserSids = array();
        $rs = $this->getDatabase()->select('sid', $this->getDatabase()->getFullTableName('active_user_sessions'));

        $count = $this->getDatabase()->getRecordCount($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        if ($count) {
            $rs = $this->getDatabase()->makeArray($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            foreach ($rs as $row) {
                $activeUserSids[] = $row['sid'];
            }
        }

        $rs = $this->getDatabase()->select("sid,internalKey,lasthit", "{$this->getDatabase()->getFullTableName('active_users')}", "", "lasthit DESC");
        if ($this->getDatabase()->getRecordCount($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $rs = $this->getDatabase()->makeArray($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $internalKeyCount = array();
            $deleteSids = '';
            foreach ($rs as $row) {
                if (!isset($internalKeyCount[$row['internalKey']])) {
                    $internalKeyCount[$row['internalKey']] = 0;
                }
                $internalKeyCount[$row['internalKey']]++;

                if ($internalKeyCount[$row['internalKey']] > 1 && !in_array($row['sid'], $activeUserSids) && $row['lasthit'] < $validSessionTimeLimit) {
                    $deleteSids .= $deleteSids == '' ? '' : ' OR ';
                    $deleteSids .= "sid='{$row['sid']}'";
                };

            }
            if ($deleteSids) {
                $this->getDatabase()->delete($this->getDatabase()->getFullTableName('active_users'), $deleteSids);
            }
        }

    }

    /**
     * Determines state of a locked element acc. to user-permissions
     *
     * @param $sid
     * @return int $state States: 0=No display, 1=viewing this element, 2=locked, 3=show unlock-button
     * @internal param int $internalKey : ID of User who locked actual element
     */
    public function determineLockState($sid)
    {
        $state = 0;
        if ($this->hasPermission('display_locks')) {
            if ($sid == $this->sid) {
                $state = 1;
            } else {
                if ($this->hasPermission('remove_locks')) {
                    $state = 3;
                } else {
                    $state = 2;
                }
            }
        }
        return $state;
    }

    /**
     * Locks an element
     *
     * @param int $type Types: 1=template, 2=tv, 3=chunk, 4=snippet, 5=plugin, 6=module, 7=resource, 8=role
     * @param int $id Element- / Resource-id
     * @return bool

     */
    public function lockElement($type, $id)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $userId = $this->isBackend() && $_SESSION['mgrInternalKey'] ? $_SESSION['mgrInternalKey'] : 0;
        $type = (int)$type;
        $id = (int)$id;
        if (!$type || !$id || !$userId) {
            return false;
        }

        $sql = sprintf('REPLACE INTO %s (internalKey, elementType, elementId, lasthit, sid)
                VALUES (%d, %d, %d, %d, \'%s\')', $this->getDatabase()->getFullTableName('active_user_locks'), $userId, $type, $id, $this->time, $this->sid);
        $this->getDatabase()->query($sql);
    }

    /**
     * Unlocks an element
     *
     * @param int $type Types: 1=template, 2=tv, 3=chunk, 4=snippet, 5=plugin, 6=module, 7=resource, 8=role
     * @param int $id Element- / Resource-id
     * @param bool $includeAllUsers true = Deletes not only own user-locks
     * @return bool

     */
    public function unlockElement($type, $id, $includeAllUsers = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $userId = $this->isBackend() && $_SESSION['mgrInternalKey'] ? $_SESSION['mgrInternalKey'] : 0;
        $type = (int)$type;
        $id = (int)$id;
        if (!$type || !$id) {
            return false;
        }

        if (!$includeAllUsers) {
            $sql = sprintf('DELETE FROM %s WHERE internalKey = %d AND elementType = %d AND elementId = %d;', $this->getDatabase()->getFullTableName('active_user_locks'), $userId, $type, $id);
        } else {
            $sql = sprintf('DELETE FROM %s WHERE elementType = %d AND elementId = %d;', $this->getDatabase()->getFullTableName('active_user_locks'), $type, $id);
        }
        $this->getDatabase()->query($sql);
    }

    /**
     * Updates table "active_user_sessions" with userid, lasthit, IP
     */
    public function updateValidatedUserSession()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (!$this->sid) {
            return;
        }

        // web users are stored with negative keys
        $userId = $this->getLoginUserType() == 'manager' ? $this->getLoginUserID() : -$this->getLoginUserID();

        // Get user IP
        if ($cip = getenv("HTTP_CLIENT_IP")) {
            $ip = $cip;

        } elseif ($cip = getenv("HTTP_X_FORWARDED_FOR")) {
            $ip = $cip;
        } elseif ($cip = getenv("REMOTE_ADDR")) {
            $ip = $cip;
        } else {
            $ip = "UNKNOWN";
        }
        $_SESSION['ip'] = $ip;

        $sql = sprintf('REPLACE INTO %s (internalKey, lasthit, ip, sid)
            VALUES (%d, %d, \'%s\', \'%s\')', $this->getDatabase()->getFullTableName('active_user_sessions'), $userId, $this->time, $ip, $this->sid);
        $this->getDatabase()->query($sql);
    }

    /**
     * Add an a alert message to the system event log
     *
     * @param int $evtid Event ID
     * @param int $type Types: 1 = information, 2 = warning, 3 = error
     * @param string $msg Message to be logged
     * @param string $source source of the event (module, snippet name, etc.)
     *                       Default: Parser
     */
    public function logEvent($evtid, $type, $msg, $source = 'Parser')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $msg = $this->getDatabase()->escape($msg);
        if (strpos($GLOBALS['database_connection_charset'], 'utf8') === 0 && extension_loaded('mbstring')) {
            $esc_source = mb_substr($source, 0, 50, "UTF-8");
        } else {
            $esc_source = substr($source, 0, 50);
        }
        $esc_source = $this->getDatabase()->escape($esc_source);

        $LoginUserID = $this->getLoginUserID();
        if ($LoginUserID == '') {
            $LoginUserID = 0;
        }

        $usertype = $this->isFrontend() ? 1 : 0;
        $evtid = (int)$evtid;
        $type = (int)$type;

        // Types: 1 = information, 2 = warning, 3 = error
        if ($type < 1) {
            $type = 1;
        } elseif ($type > 3) {
            $type = 3;
        }

        $this->getDatabase()->insert(array(
            'eventid' => $evtid,
            'type' => $type,
            'createdon' => $_SERVER['REQUEST_TIME'] + $this->config['server_offset_time'],
            'source' => $esc_source,
            'description' => $msg,
            'user' => $LoginUserID,
            'usertype' => $usertype
        ), $this->getDatabase()->getFullTableName("event_log"));

        if (isset($this->config['send_errormail']) && $this->config['send_errormail'] !== '0') {
            if ($this->config['send_errormail'] <= $type) {
                $this->sendmail(array(
                    'subject' => 'MODX System Error on ' . $this->config['site_name'],
                    'body' => 'Source: ' . $source . ' - The details of the error could be seen in the MODX system events log.',
                    'type' => 'text'
                ));
            }
        }
    }

    /**
     * @param string|array $params
     * @param string $msg
     * @param array $files
     * @return bool
     * @throws \PHPMailer\PHPMailer\Exception
     */
    public function sendmail($params = array(), $msg = '', $files = array())
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (\is_scalar($params)) {
            if (strpos($params, '=') === false) {
                if (strpos($params, '@') !== false) {
                    $p['to'] = $params;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
                } else {
                    $p['subject'] = $params;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
                }
            } else {
                $params_array = explode(',', $params);
                foreach ($params_array as $k => $v) {
                    $k = trim($k);
                    $v = trim($v);
                    $p[$k] = $v;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
                }
            }
        } else {
            $p = $params;
            unset($params);
        }
        if (isset($p['sendto'])) {
            $p['to'] = $p['sendto'];
        }

        if (isset($p['to']) && preg_match('@^[0-9]+$@', $p['to'])) {
            $userinfo = $this->getUserInfo($p['to']);
            $p['to'] = $userinfo['email'];
        }
        if (isset($p['from']) && preg_match('@^[0-9]+$@', $p['from'])) {
            $userinfo = $this->getUserInfo($p['from']);
            $p['from'] = $userinfo['email'];
            $p['fromname'] = $userinfo['username'];
        }
        if ($msg === '' && !isset($p['body'])) {
            $p['body'] = $_SERVER['REQUEST_URI'] . "\n" . $_SERVER['HTTP_USER_AGENT'] . "\n" . $_SERVER['HTTP_REFERER'];
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        } elseif (is_string($msg) && 0 < strlen($msg)) {
            $p['body'] = $msg;
        }

        $sendto = (!isset($p['to'])) ? $this->config['emailsender'] : $p['to'];
        $sendto = explode(',', $sendto);
        foreach ($sendto as $address) {
            list($name, $address) = $this->getMail()->address_split($address);
            $this->getMail()->AddAddress($address, $name);
        }
        if (isset($p['cc'])) {
            $p['cc'] = explode(',', $p['cc']);
            foreach ($p['cc'] as $address) {
                list($name, $address) = $this->getMail()->address_split($address);
                $this->getMail()->AddCC($address, $name);
            }
        }
        if (isset($p['bcc'])) {
            $p['bcc'] = explode(',', $p['bcc']);
            foreach ($p['bcc'] as $address) {
                list($name, $address) = $this->getMail()->address_split($address);
                $this->getMail()->AddBCC($address, $name);
            }
        }
        if (isset($p['from']) && strpos($p['from'], '<') !== false && substr($p['from'], -1) === '>') {
            list($p['fromname'], $p['from']) = $this->getMail()->address_split($p['from']);
        }
        $this->getMail()->setFrom(
            isset($p['from']) ? $p['from'] : $this->config['emailsender'],
            isset($p['fromname']) ? $p['fromname'] : $this->config['site_name']
        );
        $this->getMail()->Subject = (!isset($p['subject'])) ? $this->config['emailsubject'] : $p['subject'];
        $this->getMail()->Body = $p['body'];
        if (isset($p['type']) && $p['type'] === 'text') {
            $this->getMail()->IsHTML(false);
        }
        if (!is_array($files)) {
            $files = array();
        }
        foreach ($files as $f) {
            if (file_exists(MODX_BASE_PATH . $f) && is_file(MODX_BASE_PATH . $f) && is_readable(MODX_BASE_PATH . $f)) {
                $this->getMail()->AddAttachment(MODX_BASE_PATH . $f);
            }
        }
        return $this->getMail()->send();
    }

    /**
     * @param string $target
     * @param int $limit
     * @param int $trim
     */
    public function rotate_log($target = 'event_log', $limit = 3000, $trim = 100)

    {
        if ($limit < $trim) {
            $trim = $limit;
        }

        $table_name = $this->getDatabase()->getFullTableName($target);
        $count = $this->getDatabase()->getValue($this->getDatabase()->select('COUNT(id)', $table_name));

        $over = $count - $limit;
        if (0 < $over) {
            $trim = ($over + $trim);
            $this->getDatabase()->delete($table_name, '', '', $trim);
        }
        $this->getDatabase()->optimize($table_name);
    }

    /**
     * Returns true if we are currently in the manager backend
     *
     * @return boolean
     */
    public function isBackend()
    {
        return (defined('IN_MANAGER_MODE') && IN_MANAGER_MODE === true);
    }

    /**
     * Returns true if we are currently in the frontend
     *
     * @return boolean
     */
    public function isFrontend()
    {
        return ! $this->isBackend();
    }

    /**
     * Gets all child documents of the specified document, including those which are unpublished or deleted.
     *
     * @param int $id The Document identifier to start with
     * @param string $sort Sort field
     *                     Default: menuindex
     * @param string $dir Sort direction, ASC and DESC is possible
     *                    Default: ASC
     * @param string $fields Default: id, pagetitle, description, parent, alias, menutitle
     * @return array
     */
    public function getAllChildren($id = 0, $sort = 'menuindex', $dir = 'ASC', $fields = 'id, pagetitle, description, parent, alias, menutitle')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        $tblsc = $this->getDatabase()->getFullTableName("site_content");
        $tbldg = $this->getDatabase()->getFullTableName("document_groups");
        // modify field names to use sc. table reference
        $fields = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $fields))));
        $sort = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $sort))));
        // get document groups for current user
        if ($docgrp = $this->getUserDocGroups()) {
            $docgrp = implode(",", $docgrp);
        }
        // build query
        $access = ($this->isFrontend() ? "sc.privateweb=0" : "1='" . $_SESSION['mgrRole'] . "' OR sc.privatemgr=0") . (!$docgrp ? "" : " OR dg.document_group IN ($docgrp)");
        $result = $this->getDatabase()->select("DISTINCT {$fields}", "{$tblsc} sc
                LEFT JOIN {$tbldg} dg on dg.document = sc.id", "sc.parent = '{$id}' AND ({$access}) GROUP BY sc.id", "{$sort} {$dir}");
        $resourceArray = $this->getDatabase()->makeArray($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        $this->tmpCache[__FUNCTION__][$cacheKey] = $resourceArray;
        return $resourceArray;
    }

    /**
     * Gets all active child documents of the specified document, i.e. those which published and not deleted.
     *
     * @param int $id The Document identifier to start with
     * @param string $sort Sort field
     *                     Default: menuindex
     * @param string $dir Sort direction, ASC and DESC is possible
     *                    Default: ASC
     * @param string $fields Default: id, pagetitle, description, parent, alias, menutitle
     * @return array
     */
    public function getActiveChildren($id = 0, $sort = 'menuindex', $dir = 'ASC', $fields = 'id, pagetitle, description, parent, alias, menutitle')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        $tblsc = $this->getDatabase()->getFullTableName("site_content");
        $tbldg = $this->getDatabase()->getFullTableName("document_groups");

        // modify field names to use sc. table reference
        $fields = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $fields))));
        $sort = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $sort))));
        // get document groups for current user
        if ($docgrp = $this->getUserDocGroups()) {
            $docgrp = implode(",", $docgrp);
        }
        // build query
        $access = ($this->isFrontend() ? "sc.privateweb=0" : "1='" . $_SESSION['mgrRole'] . "' OR sc.privatemgr=0") . (!$docgrp ? "" : " OR dg.document_group IN ($docgrp)");
        $result = $this->getDatabase()->select("DISTINCT {$fields}", "{$tblsc} sc
                LEFT JOIN {$tbldg} dg on dg.document = sc.id", "sc.parent = '{$id}' AND sc.published=1 AND sc.deleted=0 AND ({$access}) GROUP BY sc.id", "{$sort} {$dir}");
        $resourceArray = $this->getDatabase()->makeArray($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

        $this->tmpCache[__FUNCTION__][$cacheKey] = $resourceArray;

        return $resourceArray;
    }

    /**
     * getDocumentChildren
     * @version 1.1.1 (2014-02-19)
     *
     * @desc Returns the children of the selected document/folder as an associative array.
     *
     * @param $parentid {integer} - The parent document identifier. Default: 0 (site root).
     * @param $published {0; 1; 'all'} - Document publication status. Once the parameter equals 'all', the result will be returned regardless of whether the ducuments are published or they are not. Default: 1.
     * @param $deleted {0; 1; 'all'} - Document removal status. Once the parameter equals 'all', the result will be returned regardless of whether the ducuments are deleted or they are not. Default: 0.
     * @param $fields {comma separated string; '*'} - Comma separated list of document fields to get. Default: '*' (all fields).
     * @param $where {string} - Where condition in SQL style. Should include a leading 'AND '. Default: ''.
     * @param $sort {comma separated string} - Should be a comma-separated list of field names on which to sort. Default: 'menuindex'.
     * @param $dir {'ASC'; 'DESC'} - Sort direction, ASC and DESC is possible. Default: 'ASC'.
     * @param $limit {string} - Should be a valid SQL LIMIT clause without the 'LIMIT ' i.e. just include the numbers as a string. Default: Empty string (no limit).
     *
     * @return {array; false} - Result array, or false.

     */
    public function getDocumentChildren($parentid = 0, $published = 1, $deleted = 0, $fields = '*', $where = '', $sort = 'menuindex', $dir = 'ASC', $limit = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        $published = ($published !== 'all') ? 'AND sc.published = ' . $published : '';

        $deleted = ($deleted !== 'all') ? 'AND sc.deleted = ' . $deleted : '';


        if ($where != '') {
            $where = 'AND ' . $where;
        }

        // modify field names to use sc. table reference
        $fields = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $fields))));
        $sort = ($sort == '') ? '' : 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $sort))));

        // get document groups for current user
        if ($docgrp = $this->getUserDocGroups()) {
            $docgrp = implode(',', $docgrp);
        }

        // build query
        $access = ($this->isFrontend() ? 'sc.privateweb=0' : '1="' . $_SESSION['mgrRole'] . '" OR sc.privatemgr=0') . (!$docgrp ? '' : ' OR dg.document_group IN (' . $docgrp . ')');

        $tblsc = $this->getDatabase()->getFullTableName('site_content');
        $tbldg = $this->getDatabase()->getFullTableName('document_groups');

        $result = $this->getDatabase()->select("DISTINCT {$fields}", "{$tblsc} sc
                LEFT JOIN {$tbldg} dg on dg.document = sc.id", "sc.parent = '{$parentid}' {$published} {$deleted} {$where} AND ({$access}) GROUP BY sc.id", ($sort ? "{$sort} {$dir}" : ""), $limit);

        $resourceArray = $this->getDatabase()->makeArray($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

        $this->tmpCache[__FUNCTION__][$cacheKey] = $resourceArray;

        return $resourceArray;
    }

    /**
     * getDocuments
     * @version 1.1.1 (2013-02-19)
     *
     * @desc Returns required documents (their fields).
     *
     * @param $ids {array; comma separated string} - Documents Ids to get. @required
     * @param $published {0; 1; 'all'} - Documents publication status. Once the parameter equals 'all', the result will be returned regardless of whether the documents are published or they are not. Default: 1.
     * @param $deleted {0; 1; 'all'} - Documents removal status. Once the parameter equals 'all', the result will be returned regardless of whether the documents are deleted or they are not. Default: 0.
     * @param $fields {comma separated string; '*'} - Documents fields to get. Default: '*'.
     * @param $where {string} - SQL WHERE clause. Default: ''.
     * @param $sort {comma separated string} - A comma-separated list of field names to sort by. Default: 'menuindex'.
     * @param $dir {'ASC'; 'DESC'} - Sorting direction. Default: 'ASC'.
     * @param $limit {string} - SQL LIMIT (without 'LIMIT '). An empty string means no limit. Default: ''.
     *
     * @return {array; false} - Result array with documents, or false.

     */
    public function getDocuments($ids = array(), $published = 1, $deleted = 0, $fields = '*', $where = '', $sort = 'menuindex', $dir = 'ASC', $limit = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        if (is_string($ids)) {
            if (strpos($ids, ',') !== false) {
                $ids = array_filter(array_map('intval', explode(',', $ids)));
            } else {
                $ids = array($ids);
            }
        }
        if (count($ids) == 0) {
            $this->tmpCache[__FUNCTION__][$cacheKey] = false;
            return false;
        } else {
            // modify field names to use sc. table reference
            $fields = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $fields))));
            $sort = ($sort == '') ? '' : 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $sort))));
            if ($where != '') {
                $where = 'AND ' . $where;
            }

            $published = ($published !== 'all') ? "AND sc.published = '{$published}'" : '';

            $deleted = ($deleted !== 'all') ? "AND sc.deleted = '{$deleted}'" : '';


            // get document groups for current user
            if ($docgrp = $this->getUserDocGroups()) {
                $docgrp = implode(',', $docgrp);
            }

            $access = ($this->isFrontend() ? 'sc.privateweb=0' : '1="' . $_SESSION['mgrRole'] . '" OR sc.privatemgr=0') . (!$docgrp ? '' : ' OR dg.document_group IN (' . $docgrp . ')');

            $tblsc = $this->getDatabase()->getFullTableName('site_content');
            $tbldg = $this->getDatabase()->getFullTableName('document_groups');

            $result = $this->getDatabase()->select("DISTINCT {$fields}", "{$tblsc} sc
                    LEFT JOIN {$tbldg} dg on dg.document = sc.id", "(sc.id IN (" . implode(',', $ids) . ") {$published} {$deleted} {$where}) AND ({$access}) GROUP BY sc.id", ($sort ? "{$sort} {$dir}" : ""), $limit);

            $resourceArray = $this->getDatabase()->makeArray($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

            $this->tmpCache[__FUNCTION__][$cacheKey] = $resourceArray;

            return $resourceArray;
        }
    }

    /**
     * getDocument
     * @version 1.0.1 (2014-02-19)
     *
     * @desc Returns required fields of a document.
     *
     * @param int $id {integer}
     * - Id of a document which data has to be gained. @required
     * @param string $fields {comma separated string; '*'}
     * - Comma separated list of document fields to get. Default: '*'.
     * @param int $published {0; 1; 'all'}
     * - Document publication status. Once the parameter equals 'all', the result will be returned regardless of whether the documents are published or they are not. Default: false.
     * @param int $deleted {0; 1; 'all'}
     * - Document removal status. Once the parameter equals 'all', the result will be returned regardless of whether the documents are deleted or they are not. Default: 0.
     * @return bool {array; false} - Result array with fields or false.
     * - Result array with fields or false.
     */
    public function getDocument($id = 0, $fields = '*', $published = 1, $deleted = 0)

    {
        if ($id == 0) {
            return false;
        } else {
            $docs = $this->getDocuments(array($id), $published, $deleted, $fields, '', '', '', 1);

            if ($docs != false) {
                return $docs[0];
            } else {
                return false;
            }
        }
    }

    /**
     * @param string $field
     * @param string $docid
     * @return bool|mixed
     */
    public function getField($field = 'content', $docid = '')
    {
        if (empty($docid) && isset($this->documentIdentifier)) {
            $docid = $this->documentIdentifier;
        } elseif (!preg_match('@^[0-9]+$@', $docid)) {
            $docid = $this->getIdFromAlias($docid);
        }

        if (empty($docid)) {
            return false;
        }

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        $doc = $this->getDocumentObject('id', $docid);
        if (is_array($doc[$field])) {
            $tvs = $this->getTemplateVarOutput($field, $docid, 1);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            $content = $tvs[$field];
        } else {
            $content = $doc[$field];
        }

        $this->tmpCache[__FUNCTION__][$cacheKey] = $content;

        return $content;
    }

    /**
     * Returns the page information as database row, the type of result is
     * defined with the parameter $rowMode
     *
     * @param int $pageid The parent document identifier
     *                    Default: -1 (no result)
     * @param int $active Should we fetch only published and undeleted documents/resources?
     *                     1 = yes, 0 = no
     *                     Default: 1
     * @param string $fields List of fields
     *                       Default: id, pagetitle, description, alias
     * @return boolean|array
     */
    public function getPageInfo($pageid = -1, $active = 1, $fields = 'id, pagetitle, description, alias')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        if ($pageid == 0) {
            return false;
        } else {
            $tblsc = $this->getDatabase()->getFullTableName("site_content");
            $tbldg = $this->getDatabase()->getFullTableName("document_groups");
            $activeSql = $active == 1 ? "AND sc.published=1 AND sc.deleted=0" : "";
            // modify field names to use sc. table reference
            $fields = 'sc.' . implode(',sc.', array_filter(array_map('trim', explode(',', $fields))));
            // get document groups for current user
            if ($docgrp = $this->getUserDocGroups()) {
                $docgrp = implode(",", $docgrp);
            }
            $access = ($this->isFrontend() ? "sc.privateweb=0" : "1='" . $_SESSION['mgrRole'] . "' OR sc.privatemgr=0") . (!$docgrp ? "" : " OR dg.document_group IN ($docgrp)");
            $result = $this->getDatabase()->select($fields, "{$tblsc} sc LEFT JOIN {$tbldg} dg on dg.document = sc.id", "(sc.id='{$pageid}' {$activeSql}) AND ({$access})", "", 1);
            $pageInfo = $this->getDatabase()->getRow($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

            $this->tmpCache[__FUNCTION__][$cacheKey] = $pageInfo;

            return $pageInfo;
        }
    }

    /**
     * Returns the parent document/resource of the given docid
     *
     * @param int $pid The parent docid. If -1, then fetch the current document/resource's parent
     *                 Default: -1
     * @param int $active Should we fetch only published and undeleted documents/resources?
     *                     1 = yes, 0 = no
     *                     Default: 1
     * @param string $fields List of fields
     *                       Default: id, pagetitle, description, alias
     * @return boolean|array
     */
    public function getParent($pid = -1, $active = 1, $fields = 'id, pagetitle, description, alias, parent')
    {
        if ($pid == -1) {
            $pid = $this->documentObject['parent'];
            return ($pid == 0) ? false : $this->getPageInfo($pid, $active, $fields);
        } else if ($pid == 0) {
            return false;
        } else {
            // first get the child document
            $child = $this->getPageInfo($pid, $active, "parent");
            // now return the child's parent
            $pid = ($child['parent']) ? $child['parent'] : 0;
            return ($pid == 0) ? false : $this->getPageInfo($pid, $active, $fields);
        }
    }

    /**
     * Returns the id of the current snippet.
     *
     * @return int

     */
    public function getSnippetId()
    {
        if ($this->currentSnippet) {
            $tbl = $this->getDatabase()->getFullTableName("site_snippets");
            $rs = $this->getDatabase()->select('id', $tbl, "name='" . $this->getDatabase()->escape($this->currentSnippet) . "'", '', 1);

            if ($snippetId = $this->getDatabase()->getValue($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                return $snippetId;
            }
        }
        return 0;
    }

    /**
     * Returns the name of the current snippet.
     *
     * @return string
     */
    public function getSnippetName()
    {
        return $this->currentSnippet;
    }

    /**
     * Clear the cache of MODX.
     *
     * @param string $type
     * @param bool $report
     * @return bool

     */
    public function clearCache($type = '', $report = false)
    {
        $cache_dir = MODX_BASE_PATH . $this->getCacheFolder();
        if (is_array($type)) {
            foreach ($type as $_) {
                $this->clearCache($_, $report);
            }
        } elseif ($type == 'full') {
            $sync = new Cache();
            $sync->setCachepath($cache_dir);
            $sync->setReport($report);
            $sync->emptyCache();
        } elseif (preg_match('@^[1-9][0-9]*$@', $type)) {
            $key = ($this->config['cache_type'] == 2) ? $this->makePageCacheKey($type) : $type;
            $file_name = "docid_" . $key . "_*.pageCache.php";
            $cache_path = $cache_dir . $file_name;
            $files = glob($cache_path);
            $files[] = $cache_dir . "docid_" . $key . ".pageCache.php";
            foreach ($files as $file) {
                if (!is_file($file)) {
                    continue;
                }
                unlink($file);
            }
        } else {
            $files = glob($cache_dir . '*');
            foreach ($files as $file) {
                $name = basename($file);
                if (strpos($name, '.pageCache.php') === false) {
                    continue;
                }
                if (!is_file($file)) {
                    continue;
                }
                unlink($file);
            }
        }
    }

    /**
     * makeUrl
     *
     * @desc Create an URL for the given document identifier. The url prefix and postfix are used, when “friendly_url” is active.
     *
     * @param $id {integer} - The document identifier. @required
     * @param string $alias {string}
     * - The alias name for the document. Default: ''.
     * @param string $args {string}
     * - The paramaters to add to the URL. Default: ''.
     * @param string $scheme {string}
     * - With full as valus, the site url configuration is used. Default: ''.
     * @return mixed|string {string} - Result URL.
     * - Result URL.
     */
    public function makeUrl($id, $alias = '', $args = '', $scheme = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $url = '';
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $virtualDir = isset($this->config['virtual_dir']) ? $this->config['virtual_dir'] : '';
        $f_url_prefix = $this->config['friendly_url_prefix'];
        $f_url_suffix = $this->config['friendly_url_suffix'];

        if (!is_numeric($id)) {
            $this->messageQuit("`{$id}` is not numeric and may not be passed to makeUrl()");
        }

        if ($args !== '') {
            // add ? or & to $args if missing
            $args = ltrim($args, '?&');
            $_ = strpos($f_url_prefix, '?');


            if ($_ === false && $this->config['friendly_urls'] == 1) {
                $args = "?{$args}";
            } else {
                $args = "&{$args}";
            }
        }

        if ($id != $this->config['site_start']) {
            if ($this->config['friendly_urls'] == 1 && $alias == '') {
                $alias = $id;
                $alPath = '';

                if ($this->config['friendly_alias_urls'] == 1) {

                    if ($this->config['aliaslistingfolder'] == 1) {
                        $al = $this->getAliasListing($id);

                    } else {
                        $al = $this->aliasListing[$id];
                    }

                    if ($al['isfolder'] === 1 && $this->config['make_folders'] === '1') {
                        $f_url_suffix = '/';
                    }

                    $alPath = !empty ($al['path']) ? $al['path'] . '/' : '';

                    if ($al && $al['alias']) {
                        $alias = $al['alias'];
                    }

                }

                $alias = $alPath . $f_url_prefix . $alias . $f_url_suffix;
                $url = "{$alias}{$args}";
            } else {
                $url = "index.php?id={$id}{$args}";
            }
        } else {
            $url = $args;
        }

        $host = $this->config['base_url'];

        // check if scheme argument has been set
        if ($scheme != '') {
            // for backward compatibility - check if the desired scheme is different than the current scheme
            if (is_numeric($scheme) && $scheme != $_SERVER['HTTPS']) {
                $scheme = ($_SERVER['HTTPS'] ? 'http' : 'https');
            }

            //TODO: check to make sure that $site_url incudes the url :port (e.g. :8080)

            $host = $scheme == 'full' ? $this->config['site_url'] : $scheme . '://' . $_SERVER['HTTP_HOST'] . $host;
        }

        //fix strictUrl by Bumkaka
        if ($this->config['seostrict'] == '1') {
            $url = $this->toAlias($url);
        }

        if ($this->config['xhtml_urls']) {
            $url = preg_replace("/&(?!amp;)/", "&amp;", $host . $virtualDir . $url);
        } else {
            $url = $host . $virtualDir . $url;
        }

        $evtOut = $this->invokeEvent('OnMakeDocUrl', array(
            'id' => $id,
            'url' => $url
        ));

        if (is_array($evtOut) && count($evtOut) > 0) {
            $url = array_pop($evtOut);
        }

        return $url;
    }

    /**
     * @param $id
     * @return mixed
     */
    public function getAliasListing($id)
    {
        if (isset($this->aliasListing[$id])) {
            $out = $this->aliasListing[$id];
        } else {
            $q = $this->getDatabase()->query("SELECT id,alias,isfolder,parent FROM " . $this->getDatabase()->getFullTableName("site_content") . " WHERE id=" . (int)$id);

            if ($this->getDatabase()->getRecordCount($q) == '1') {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $q = $this->getDatabase()->getRow($q);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $this->aliasListing[$id] = array(
                    'id' => (int)$q['id'],
                    'alias' => $q['alias'] == '' ? $q['id'] : $q['alias'],
                    'parent' => (int)$q['parent'],
                    'isfolder' => (int)$q['isfolder'],
                );
                if ($this->aliasListing[$id]['parent'] > 0) {
                    //fix alias_path_usage
                    if ($this->config['use_alias_path'] == '1') {
                        //&& $tmp['path'] != '' - fix error slash with epty path
                        $tmp = $this->getAliasListing($this->aliasListing[$id]['parent']);
                        $this->aliasListing[$id]['path'] = $tmp['path'] . ($tmp['alias_visible'] ? (($tmp['parent'] > 0 && $tmp['path'] != '') ? '/' : '') . $tmp['alias'] : '');
                    } else {
                        $this->aliasListing[$id]['path'] = '';
                    }
                }

                $out = $this->aliasListing[$id];
            }
        }
        return $out;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
    }

    /**
     * Returns an entry from the config
     *
     * Note: most code accesses the config array directly and we will continue to support this.
     *
     * @param string $name
     * @param mixed $default
     * @return bool|string
     */
    public function getConfig($name = '', $default = null)
    {
        return get_by_key($this->config, $name, $default);
    }

    /**
     * Returns the MODX version information as version, branch, release date and full application name.
     *
     * @param null $data
     * @return array
     */

    public function getVersionData($data = null)
    {
        $out = array();
        if (empty($this->version) || !is_array($this->version)) {
            //include for compatibility modx version < 1.0.10
            include MODX_MANAGER_PATH . "includes/version.inc.php";
            $this->version = array();
            $this->version['version'] = isset($modx_version) ? $modx_version : '';

            $this->version['branch'] = isset($modx_branch) ? $modx_branch : '';

            $this->version['release_date'] = isset($modx_release_date) ? $modx_release_date : '';

            $this->version['full_appname'] = isset($modx_full_appname) ? $modx_full_appname : '';

            $this->version['new_version'] = isset($this->config['newversiontext']) ? $this->config['newversiontext'] : '';
        }
        return (!is_null($data) && is_array($this->version) && isset($this->version[$data])) ? $this->version[$data] : $this->version;
    }

    /**
     * Executes a snippet.
     *
     * @param string $snippetName
     * @param array $params Default: Empty array
     * @return string

     */
    public function runSnippet($snippetName, $params = array())
    {
        if (isset ($this->snippetCache[$snippetName])) {
            $snippet = $this->snippetCache[$snippetName];
            $properties = !empty($this->snippetCache[$snippetName . "Props"]) ? $this->snippetCache[$snippetName . "Props"] : '';
        } else { // not in cache so let's check the db
            $sql = "SELECT ss.`name`, ss.`snippet`, ss.`properties`, sm.properties as `sharedproperties` FROM " . $this->getDatabase()->getFullTableName("site_snippets") . " as ss LEFT JOIN " . $this->getDatabase()->getFullTableName('site_modules') . " as sm on sm.guid=ss.moduleguid WHERE ss.`name`='" . $this->getDatabase()->escape($snippetName) . "'  AND ss.disabled=0;";
            $result = $this->getDatabase()->query($sql);
            if ($this->getDatabase()->getRecordCount($result) == 1) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $row = $this->getDatabase()->getRow($result);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $snippet = $this->snippetCache[$snippetName] = $row['snippet'];
                $mergedProperties = array_merge($this->parseProperties($row['properties']), $this->parseProperties($row['sharedproperties']));
                $properties = $this->snippetCache[$snippetName . "Props"] = json_encode($mergedProperties);
            } else {
                $snippet = $this->snippetCache[$snippetName] = "return false;";
                $properties = $this->snippetCache[$snippetName . "Props"] = '';
            }
        }
        // load default params/properties
        $parameters = $this->parseProperties($properties, $snippetName, 'snippet');
        $parameters = array_merge($parameters, $params);

        // run snippet
        return $this->evalSnippet($snippet, $parameters);
    }

    /**
     * Returns the chunk content for the given chunk name
     *
     * @param string $chunkName
     * @return boolean|string
     */
    public function getChunk($chunkName)
    {
        $out = null;
        if (empty($chunkName)) {
            return $out;
        }
        if (isset ($this->chunkCache[$chunkName])) {
            $out = $this->chunkCache[$chunkName];
        } else if (stripos($chunkName, '@FILE') === 0) {
            $out = $this->chunkCache[$chunkName] = $this->atBindFileContent($chunkName);
        } else {
            $where = sprintf("`name`='%s' AND disabled=0", $this->getDatabase()->escape($chunkName));
            $rs = $this->getDatabase()->select(

                'snippet',
                $this->getDatabase()->getFullTableName('site_htmlsnippets'),
                $where
            );
            if ($this->getDatabase()->getRecordCount($rs) == 1) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $row = $this->getDatabase()->getRow($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $out = $this->chunkCache[$chunkName] = $row['snippet'];
            } else {
                $out = $this->chunkCache[$chunkName] = null;
            }
        }
        return $out;
    }

    /**
     * parseText
     * @version 1.0 (2013-10-17)
     *
     * @desc Replaces placeholders in text with required values.
     *
     * @param string $tpl
     * @param array $ph
     * @param string $left
     * @param string $right
     * @param bool $execModifier
     * @return string {string} - Parsed text.
     * - Parsed text.
     * @internal param $chunk {string} - String to parse. - String to parse. @required
     * @internal param $chunkArr {array} - Array of values. Key — placeholder name, value — value. - Array of values. Key — placeholder name, value — value. @required
     * @internal param $prefix {string} - Placeholders prefix. Default: '[+'. - Placeholders prefix. Default: '[+'.
     * @internal param $suffix {string} - Placeholders suffix. Default: '+]'. - Placeholders suffix. Default: '+]'.
     *
     */
    public function parseText($tpl = '', $ph = array(), $left = '[+', $right = '+]', $execModifier = true)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (empty($ph) || empty($tpl)) {
            return $tpl;
        }

        if ($this->config['enable_at_syntax']) {
            if (stripos($tpl, '<@LITERAL>') !== false) {
                $tpl = $this->escapeLiteralTagsContent($tpl);
            }
        }

        $matches = $this->getTagsFromContent($tpl, $left, $right);
        if (empty($matches)) {
            return $tpl;
        }

        foreach ($matches[1] as $i => $key) {

            if (strpos($key, ':') !== false && $execModifier) {
                list($key, $modifiers) = $this->splitKeyAndFilter($key);
            } else {
                $modifiers = false;
            }

            //          if(!isset($ph[$key])) continue;

            if (!array_key_exists($key, $ph)) {
                continue;
            } //NULL values must be saved in placeholders, if we got them from database string

            $value = $ph[$key];

            $s = &$matches[0][$i];
            if ($modifiers !== false) {
                if (strpos($modifiers, $left) !== false) {
                    $modifiers = $this->parseText($modifiers, $ph, $left, $right);
                }
                $value = $this->applyFilter($value, $modifiers, $key);
            }
            if (strpos($tpl, $s) !== false) {
                $tpl = str_replace($s, $value, $tpl);
            } elseif($this->debug) {
                $this->addLog('parseText parse error', $_SERVER['REQUEST_URI'] . $s, 2);
            }
        }

        return $tpl;
    }

    /**
     * parseChunk
     * @version 1.1 (2013-10-17)
     *
     * @desc Replaces placeholders in a chunk with required values.
     *
     * @param $chunkName {string} - Name of chunk to parse. @required
     * @param $chunkArr {array} - Array of values. Key — placeholder name, value — value. @required
     * @param string $prefix {string}
     * - Placeholders prefix. Default: '{'.
     * @param string $suffix {string}
     * - Placeholders suffix. Default: '}'.
     * @return bool|mixed|string {string; false} - Parsed chunk or false if $chunkArr is not array.

     * - Parsed chunk or false if $chunkArr is not array.
     */
    public function parseChunk($chunkName, $chunkArr, $prefix = '{', $suffix = '}')
    {
        //TODO: Wouldn't it be more practical to return the contents of a chunk instead of false?

        if (!is_array($chunkArr)) {
            return false;
        }

        return $this->parseText($this->getChunk($chunkName), $chunkArr, $prefix, $suffix);

    }

    /**
     * getTpl
     * get template for snippets
     * @param $tpl {string}
     * @return bool|string {string}
     */
    public function getTpl($tpl)
    {
        $template = $tpl;
        if (preg_match("/^@([^:\s]+)[:\s]+(.+)$/s", trim($tpl), $match)) {
            $command = strtoupper($match[1]);
            $template = $match[2];
        }
        switch ($command) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            case 'CODE':
                break;
            case 'FILE':
                $template = file_get_contents(MODX_BASE_PATH . $template);
                break;
            case 'CHUNK':
                $template = $this->getChunk($template);
                break;
            case 'DOCUMENT':
                $doc = $this->getDocument($template, 'content', 'all');
                $template = $doc['content'];
                break;
            case 'SELECT':
                $this->getDatabase()->getValue($this->getDatabase()->query("SELECT {$template}"));

                break;
            default:
                if (!($template = $this->getChunk($tpl))) {
                    $template = $tpl;
                }
        }
        return $template;
    }

    /**
     * Returns the timestamp in the date format defined in $this->config['datetime_format']
     *
     * @param int $timestamp Default: 0
     * @param string $mode Default: Empty string (adds the time as below). Can also be 'dateOnly' for no time or 'formatOnly' to get the datetime_format string.
     * @return string
     */
    public function toDateFormat($timestamp = 0, $mode = '')
    {
        $timestamp = trim($timestamp);
        if ($mode !== 'formatOnly' && empty($timestamp)) {
            return '-';
        }
        $timestamp = (int)$timestamp;

        switch ($this->config['datetime_format']) {
            case 'YYYY/mm/dd':
                $dateFormat = '%Y/%m/%d';
                break;
            case 'dd-mm-YYYY':
                $dateFormat = '%d-%m-%Y';
                break;
            case 'mm/dd/YYYY':
                $dateFormat = '%m/%d/%Y';
                break;
            /*

            case 'dd-mmm-YYYY':
                $dateFormat = '%e-%b-%Y';
                break;
            */
        }

        if (empty($mode)) {
            $strTime = strftime($dateFormat . " %H:%M:%S", $timestamp);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        } elseif ($mode == 'dateOnly') {
            $strTime = strftime($dateFormat, $timestamp);
        } elseif ($mode == 'formatOnly') {
            $strTime = $dateFormat;
        }
        return $strTime;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
    }

    /**
     * Make a timestamp from a string corresponding to the format in $this->config['datetime_format']
     *
     * @param string $str
     * @return string

     */
    public function toTimeStamp($str)
    {
        $str = trim($str);
        if (empty($str)) {
            return '';
        }

        switch ($this->config['datetime_format']) {
            case 'YYYY/mm/dd':
                if (!preg_match('/^[0-9]{4}\/[0-9]{2}\/[0-9]{2}[0-9 :]*$/', $str)) {
                    return '';
                }
                list ($Y, $m, $d, $H, $M, $S) = sscanf($str, '%4d/%2d/%2d %2d:%2d:%2d');

                break;
            case 'dd-mm-YYYY':
                if (!preg_match('/^[0-9]{2}-[0-9]{2}-[0-9]{4}[0-9 :]*$/', $str)) {
                    return '';
                }
                list ($d, $m, $Y, $H, $M, $S) = sscanf($str, '%2d-%2d-%4d %2d:%2d:%2d');
                break;
            case 'mm/dd/YYYY':
                if (!preg_match('/^[0-9]{2}\/[0-9]{2}\/[0-9]{4}[0-9 :]*$/', $str)) {
                    return '';
                }
                list ($m, $d, $Y, $H, $M, $S) = sscanf($str, '%2d/%2d/%4d %2d:%2d:%2d');
                break;
            /*

            case 'dd-mmm-YYYY':
                if (!preg_match('/^[0-9]{2}-[0-9a-z]+-[0-9]{4}[0-9 :]*$/i', $str)) {return '';}
                list ($m, $d, $Y, $H, $M, $S) = sscanf($str, '%2d-%3s-%4d %2d:%2d:%2d');
                break;
            */
        }
        if (!$H && !$M && !$S) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            $H = 0;
            $M = 0;
            $S = 0;
        }
        $timeStamp = mktime($H, $M, $S, $m, $d, $Y);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        $timeStamp = (int)$timeStamp;
        return $timeStamp;
    }

    /**
     * Get the TVs of a document's children. Returns an array where each element represents one child doc.
     *
     * Ignores deleted children. Gets all children - there is no where clause available.
     *
     * @param int $parentid The parent docid
     *                 Default: 0 (site root)
     * @param array $tvidnames . Which TVs to fetch - Can relate to the TV ids in the db (array elements should be numeric only)
     *                                               or the TV names (array elements should be names only)
     *                      Default: Empty array
     * @param int $published Whether published or unpublished documents are in the result
     *                      Default: 1
     * @param string $docsort How to sort the result array (field)
     *                      Default: menuindex
     * @param ASC|string $docsortdir How to sort the result array (direction)
     *                      Default: ASC
     * @param string $tvfields Fields to fetch from site_tmplvars, default '*'
     *                      Default: *
     * @param string $tvsort How to sort each element of the result array i.e. how to sort the TVs (field)
     *                      Default: rank
     * @param string $tvsortdir How to sort each element of the result array i.e. how to sort the TVs (direction)
     *                      Default: ASC
     * @return array|bool

     */
    public function getDocumentChildrenTVars($parentid = 0, $tvidnames = array(), $published = 1, $docsort = "menuindex", $docsortdir = "ASC", $tvfields = "*", $tvsort = "rank", $tvsortdir = "ASC")
    {
        $docs = $this->getDocumentChildren($parentid, $published, 0, '*', '', $docsort, $docsortdir);
        if (!$docs) {
            return false;
        } else {
            $result = array();
            // get user defined template variables
            if ($tvfields) {
                $_ = array_filter(array_map('trim', explode(',', $tvfields)));

                foreach ($_ as $i => $v) {
                    if ($v === 'value') {
                        unset($_[$i]);
                    } else {
                        $_[$i] = 'tv.' . $v;
                    }
                }
                $fields = implode(',', $_);
            } else {
                $fields = "tv.*";
            }

            if ($tvsort != '') {
                $tvsort = 'tv.' . implode(',tv.', array_filter(array_map('trim', explode(',', $tvsort))));
            }
            if ($tvidnames == "*") {
                $query = "tv.id<>0";
            } else {
                $query = (is_numeric($tvidnames[0]) ? "tv.id" : "tv.name") . " IN ('" . implode("','", $tvidnames) . "')";
            }

            $this->getUserDocGroups();

            foreach ($docs as $doc) {

                $docid = $doc['id'];

                $rs = $this->getDatabase()->select(
                    "{$fields}, IF(tvc.value!='',tvc.value,tv.default_text) as value ",

                    $this->getDatabase()->getFullTableName("site_tmplvars") .
                    " tv INNER JOIN " . $this->getDatabase()->getFullTableName("site_tmplvar_templates") .
                    " tvtpl ON tvtpl.tmplvarid = tv.id LEFT JOIN " .
                    $this->getDatabase()->getFullTableName("site_tmplvar_contentvalues") .
                    " tvc ON tvc.tmplvarid=tv.id AND tvc.contentid='{$docid}'",

                    "{$query} AND tvtpl.templateid = '{$doc['template']}'",
                    ($tvsort ? "{$tvsort} {$tvsortdir}" : "")
                );
                $tvs = $this->getDatabase()->makeArray($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

                // get default/built-in template variables
                ksort($doc);
                foreach ($doc as $key => $value) {
                    if ($tvidnames == '*' || in_array($key, $tvidnames)) {
                        $tvs[] = array('name' => $key, 'value' => $value);
                    }
                }
                if (is_array($tvs) && count($tvs)) {
                    $result[] = $tvs;
                }
            }
            return $result;
        }
    }

    /**
     * getDocumentChildrenTVarOutput
     * @version 1.1 (2014-02-19)
     *
     * @desc Returns an array where each element represents one child doc and contains the result from getTemplateVarOutput().
     *
     * @param int $parentid {integer}
     * - Id of parent document. Default: 0 (site root).
     * @param array $tvidnames {array; '*'}
     * - Which TVs to fetch. In the form expected by getTemplateVarOutput(). Default: array().
     * @param int $published {0; 1; 'all'}
     * - Document publication status. Once the parameter equals 'all', the result will be returned regardless of whether the ducuments are published or they are not. Default: 1.
     * @param string $sortBy {string}
     * - How to sort the result array (field). Default: 'menuindex'.
     * @param string $sortDir {'ASC'; 'DESC'}
     * - How to sort the result array (direction). Default: 'ASC'.
     * @param string $where {string}
     * - SQL WHERE condition (use only document fields, not TV). Default: ''.
     * @param string $resultKey {string; false}
     * - Field, which values are keys into result array. Use the “false”, that result array keys just will be numbered. Default: 'id'.
     * @return array {array; false} - Result array, or false.

     * - Result array, or false.
     */
    public function getDocumentChildrenTVarOutput($parentid = 0, $tvidnames = array(), $published = 1, $sortBy = 'menuindex', $sortDir = 'ASC', $where = '', $resultKey = 'id')
    {
        $docs = $this->getDocumentChildren($parentid, $published, 0, 'id', $where, $sortBy, $sortDir);

        if (!$docs) {
            return false;
        } else {
            $result = array();

            $unsetResultKey = false;

            if ($resultKey !== false) {
                if (is_array($tvidnames)) {
                    if (count($tvidnames) != 0 && !in_array($resultKey, $tvidnames)) {
                        $tvidnames[] = $resultKey;
                        $unsetResultKey = true;
                    }
                } else if ($tvidnames != '*' && $tvidnames != $resultKey) {
                    $tvidnames = array($tvidnames, $resultKey);
                    $unsetResultKey = true;
                }
            }

            for ($i = 0; $i < count($docs); $i++) {
                $tvs = $this->getTemplateVarOutput($tvidnames, $docs[$i]['id'], $published);

                if ($tvs) {
                    if ($resultKey !== false && array_key_exists($resultKey, $tvs)) {
                        $result[$tvs[$resultKey]] = $tvs;

                        if ($unsetResultKey) {
                            unset($result[$tvs[$resultKey]][$resultKey]);
                        }
                    } else {
                        $result[] = $tvs;
                    }
                }
            }

            return $result;
        }
    }

    /**
     * Modified by Raymond for TV - Orig Modified by Apodigm - DocVars
     * Returns a single site_content field or TV record from the db.
     *
     * If a site content field the result is an associative array of 'name' and 'value'.
     *
     * If a TV the result is an array representing a db row including the fields specified in $fields.
     *
     * @param string $idname Can be a TV id or name
     * @param string $fields Fields to fetch from site_tmplvars. Default: *
     * @param string|type $docid Docid. Defaults to empty string which indicates the current document.
     * @param int $published Whether published or unpublished documents are in the result
     *                        Default: 1
     * @return bool
     */
    public function getTemplateVar($idname = "", $fields = "*", $docid = "", $published = 1)

    {
        if ($idname == "") {
            return false;
        } else {
            $result = $this->getTemplateVars(array($idname), $fields, $docid, $published, "", ""); //remove sorting for speed
            return ($result != false) ? $result[0] : false;
        }
    }

    /**
     * getTemplateVars
     * @version 1.0.1 (2014-02-19)
     *
     * @desc Returns an array of site_content field fields and/or TV records from the db.
     * Elements representing a site content field consist of an associative array of 'name' and 'value'.
     * Elements representing a TV consist of an array representing a db row including the fields specified in $fields.
     *
     * @param $idnames {array; '*'} - Which TVs to fetch. Can relate to the TV ids in the db (array elements should be numeric only) or the TV names (array elements should be names only). @required
     * @param $fields {comma separated string; '*'} - Fields names in the TV table of MODx database. Default: '*'
     * @param $docid {integer; ''} - Id of a document to get. Default: an empty string which indicates the current document.
     * @param $published {0; 1; 'all'} - Document publication status. Once the parameter equals 'all', the result will be returned regardless of whether the ducuments are published or they are not. Default: 1.
     * @param $sort {comma separated string} - Fields of the TV table to sort by. Default: 'rank'.
     * @param $dir {'ASC'; 'DESC'} - How to sort the result array (direction). Default: 'ASC'.
     *
     * @return {array; false} - Result array, or false.

     */
    public function getTemplateVars($idnames = array(), $fields = '*', $docid = '', $published = 1, $sort = 'rank', $dir = 'ASC')

    {
        $cacheKey = md5(print_r(func_get_args(), true));
        if (isset($this->tmpCache[__FUNCTION__][$cacheKey])) {
            return $this->tmpCache[__FUNCTION__][$cacheKey];
        }

        if (($idnames != '*' && !is_array($idnames)) || empty($idnames) ) {
            return false;
        } else {

            // get document record
            if ($docid == '') {
                $docid = $this->documentIdentifier;
                $docRow = $this->documentObject;
            } else {
                $docRow = $this->getDocument($docid, '*', $published);

                if (!$docRow) {
                    $this->tmpCache[__FUNCTION__][$cacheKey] = false;
                    return false;
                }
            }

            // get user defined template variables
            $fields = ($fields == '') ? 'tv.*' : 'tv.' . implode(',tv.', array_filter(array_map('trim', explode(',', $fields))));
            $sort = ($sort == '') ? '' : 'tv.' . implode(',tv.', array_filter(array_map('trim', explode(',', $sort))));

            if ($idnames == '*') {
                $query = 'tv.id<>0';
            } else {
                $query = (is_numeric($idnames[0]) ? 'tv.id' : 'tv.name') . " IN ('" . implode("','", $idnames) . "')";
            }

            $rs = $this->getDatabase()->select("{$fields}, IF(tvc.value != '', tvc.value, tv.default_text) as value", $this->getDatabase()->getFullTableName('site_tmplvars') . " tv

                    INNER JOIN " . $this->getDatabase()->getFullTableName('site_tmplvar_templates') . " tvtpl ON tvtpl.tmplvarid = tv.id
                    LEFT JOIN " . $this->getDatabase()->getFullTableName('site_tmplvar_contentvalues') . " tvc ON tvc.tmplvarid=tv.id AND tvc.contentid = '{$docid}'", "{$query} AND tvtpl.templateid = '{$docRow['template']}'", ($sort ? "{$sort} {$dir}" : ""));

            $result = $this->getDatabase()->makeArray($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}

            // get default/built-in template variables
            if(is_array($docRow)){
                ksort($docRow);

                foreach ($docRow as $key => $value) {
                    if ($idnames == '*' || in_array($key, $idnames)) {
                        array_push($result, array(
                            'name' => $key,
                            'value' => $value
                        ));
                    }
                }
            }

            $this->tmpCache[__FUNCTION__][$cacheKey] = $result;

            return $result;
        }
    }

    /**
     * getTemplateVarOutput
     * @version 1.0.1 (2014-02-19)
     *
     * @desc Returns an associative array containing TV rendered output values.
     *
     * @param array $idnames {array; '*'}
     * - Which TVs to fetch - Can relate to the TV ids in the db (array elements should be numeric only) or the TV names (array elements should be names only). @required
     * @param string $docid {integer; ''}
     * - Id of a document to get. Default: an empty string which indicates the current document.
     * @param int $published {0; 1; 'all'}
     * - Document publication status. Once the parameter equals 'all', the result will be returned regardless of whether the ducuments are published or they are not. Default: 1.
     * @param string $sep {string}
     * - Separator that is used while concatenating in getTVDisplayFormat(). Default: ''.
     * @return array {array; false} - Result array, or false.

     * - Result array, or false.
     */
    public function getTemplateVarOutput($idnames = array(), $docid = '', $published = 1, $sep = '')
    {
        if (is_array($idnames) && empty($idnames) ) {
            return false;
        } else {
            $output = array();
            $vars = ($idnames == '*' || is_array($idnames)) ? $idnames : array($idnames);

            $docid = (int)$docid > 0 ? (int)$docid : $this->documentIdentifier;
            // remove sort for speed
            $result = $this->getTemplateVars($vars, '*', $docid, $published, '', '');

            if ($result == false) {
                return false;
            } else {
                for ($i = 0; $i < count($result); $i++) {
                    $row = $result[$i];

                    if (!isset($row['id']) or !$row['id']) {
// Logical operators have lower precedence:
$f = false or true;

// is executed like this:
($f = false) or true;


// Boolean operators have higher precedence:
$f = false || true;

// is executed like this:
$f = (false || true);
                        $output[$row['name']] = $row['value'];
                    } else {
                        $output[$row['name']] = getTVDisplayFormat($row['name'], $row['value'], $row['display'], $row['display_params'], $row['type'], $docid, $sep);
                    }
                }

                return $output;
            }
        }
    }

    /**
     * Returns the full table name based on db settings
     *
     * @param string $tbl Table name
     * @return string Table name with prefix
     * @deprecated use ->getDatabase()->getFullTableName()
     */
    public function getFullTableName($tbl)
    {
        return $this->getDatabase()->getFullTableName($tbl);
    }

    /**
     * Returns the placeholder value
     *
     * @param string $name Placeholder name
     * @return string Placeholder value

     */
    public function getPlaceholder($name)
    {
        return isset($this->placeholders[$name]) ? $this->placeholders[$name] : null;
    }

    /**
     * Sets a value for a placeholder
     *
     * @param string $name The name of the placeholder
     * @param string $value The value of the placeholder
     */
    public function setPlaceholder($name, $value)
    {
        $this->placeholders[$name] = $value;
    }

    /**
     * Set placeholders en masse via an array or object.
     *
     * @param object|array $subject
     * @param string $prefix
     */
    public function toPlaceholders($subject, $prefix = '')
    {
        if (is_object($subject)) {
            $subject = get_object_vars($subject);
        }
        if (is_array($subject)) {
            foreach ($subject as $key => $value) {
                $this->toPlaceholder($key, $value, $prefix);
            }
        }
    }

    /**
     * For use by toPlaceholders(); For setting an array or object element as placeholder.
     *
     * @param string $key
     * @param object|array $value
     * @param string $prefix
     */
    public function toPlaceholder($key, $value, $prefix = '')
    {
        if (is_array($value) || is_object($value)) {
            $this->toPlaceholders($value, "{$prefix}{$key}.");
        } else {
            $this->setPlaceholder("{$prefix}{$key}", $value);
        }
    }

    /**
     * Returns the manager relative URL/path with respect to the site root.
     *
     * @global string $base_url
     * @return string The complete URL to the manager folder
     */
    public function getManagerPath()
    {
        return MODX_MANAGER_URL;
    }

    /**
     * Returns the cache relative URL/path with respect to the site root.
     *
     * @global string $base_url
     * @return string The complete URL to the cache folder
     */
    public function getCachePath()
    {
        global $base_url;
function myFunction($a, $b) {
    // Do something
}
        $pth = $base_url . $this->getCacheFolder();
        return $pth;
    }

    /**
     * Sends a message to a user's message box.
     *
     * @param string $type Type of the message
     * @param string $to The recipient of the message
     * @param string $from The sender of the message
     * @param string $subject The subject of the message
     * @param string $msg The message body
     * @param int $private Whether it is a private message, or not
     *                     Default : 0
     */
    public function sendAlert($type, $to, $from, $subject, $msg, $private = 0)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $private = ($private) ? 1 : 0;
        if (!is_numeric($to)) {
            // Query for the To ID
            $rs = $this->getDatabase()->select('id', $this->getDatabase()->getFullTableName("manager_users"), "username='{$to}'");

            $to = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        }
        if (!is_numeric($from)) {
            // Query for the From ID
            $rs = $this->getDatabase()->select('id', $this->getDatabase()->getFullTableName("manager_users"), "username='{$from}'");
            $from = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        }
        // insert a new message into user_messages
        $this->getDatabase()->insert(array(
            'type' => $type,
            'subject' => $subject,
            'message' => $msg,
            'sender' => $from,
            'recipient' => $to,
            'private' => $private,
            'postdate' => $_SERVER['REQUEST_TIME'] + $this->config['server_offset_time'],
            'messageread' => 0,
        ), $this->getDatabase()->getFullTableName('user_messages'));
    }

    /**
     * Returns current user id.
     *
     * @param string $context . Default is an empty string which indicates the method should automatically pick 'web (frontend) or 'mgr' (backend)
     * @return string
     */
    public function getLoginUserID($context = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $out = false;

        if (!empty($context)) {
            if (is_scalar($context) && isset($_SESSION[$context . 'Validated'])) {
                $out = $_SESSION[$context . 'InternalKey'];
            }
        } else {
            switch (true) {
                case ($this->isFrontend() && isset ($_SESSION['webValidated'])): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                    $out = $_SESSION['webInternalKey'];
                    break;
                }
                case ($this->isBackend() && isset ($_SESSION['mgrValidated'])): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                    $out = $_SESSION['mgrInternalKey'];
                    break;
                }
            }
        }
        return $out;
    }

    /**
     * Returns current user name
     *
     * @param string $context . Default is an empty string which indicates the method should automatically pick 'web (frontend) or 'mgr' (backend)
     * @return string
     */
    public function getLoginUserName($context = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $out = false;

        if (!empty($context)) {
            if (is_scalar($context) && isset($_SESSION[$context . 'Validated'])) {
                $out = $_SESSION[$context . 'Shortname'];
            }
        } else {
            switch (true) {
                case ($this->isFrontend() && isset ($_SESSION['webValidated'])): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                    $out = $_SESSION['webShortname'];
                    break;
                }
                case ($this->isBackend() && isset ($_SESSION['mgrValidated'])): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                    $out = $_SESSION['mgrShortname'];
                    break;
                }
            }
        }
        return $out;
    }

    /**
     * Returns current login user type - web or manager
     *
     * @return string
     */
    public function getLoginUserType()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->isFrontend() && isset ($_SESSION['webValidated'])) {
            return 'web';
        } elseif ($this->isBackend() && isset ($_SESSION['mgrValidated'])) {
            return 'manager';
        } else {
            return '';
        }
    }

    /**
     * Returns a user info record for the given manager user
     *
     * @param int $uid
     * @return boolean|string
     */
    public function getUserInfo($uid)
    {
        if (isset($this->tmpCache[__FUNCTION__][$uid])) {
            return $this->tmpCache[__FUNCTION__][$uid];
        }

        $from = $this->getDatabase()->getFullTableName('manager_users') . ' mu INNER JOIN ' .
            $this->getDatabase()->getFullTableName('user_attributes'). ' mua ON mua.internalkey=mu.id';
        $where = sprintf("mu.id='%s'", $this->getDatabase()->escape($uid));
        $rs = $this->getDatabase()->select('mu.username, mu.password, mua.*', $from, $where, '', 1);


        if (!$this->getDatabase()->getRecordCount($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            return $this->tmpCache[__FUNCTION__][$uid] = false;
        }

        $row = $this->getDatabase()->getRow($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        if (!isset($row['usertype']) || !$row['usertype']) {
            $row['usertype'] = 'manager';
        }

        $this->tmpCache[__FUNCTION__][$uid] = $row;

        return $row;
    }

    /**
     * Returns a record for the web user
     *
     * @param int $uid
     * @return boolean|string
     */
    public function getWebUserInfo($uid)
    {
        $rs = $this->getDatabase()->select('wu.username, wu.password, wua.*', $this->getDatabase()->getFullTableName("web_users") . " wu

                INNER JOIN " . $this->getDatabase()->getFullTableName("web_user_attributes") . " wua ON wua.internalkey=wu.id", "wu.id='{$uid}'");
        if ($row = $this->getDatabase()->getRow($rs)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if (!isset($row['usertype']) or !$row["usertype"]) {
// Logical operators have lower precedence:
$f = false or true;

// is executed like this:
($f = false) or true;


// Boolean operators have higher precedence:
$f = false || true;

// is executed like this:
$f = (false || true);
                $row["usertype"] = "web";
            }
            return $row;
        }
    }

    /**
     * Returns an array of document groups that current user is assigned to.
     * This function will first return the web user doc groups when running from
     * frontend otherwise it will return manager user's docgroup.
     *
     * @param boolean $resolveIds Set to true to return the document group names
     *                            Default: false
     * @return string|array
     */
    public function getUserDocGroups($resolveIds = false)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($this->isFrontend() && isset($_SESSION['webDocgroups']) && isset($_SESSION['webValidated'])) {
            $dg = $_SESSION['webDocgroups'];

            $dgn = isset($_SESSION['webDocgrpNames']) ? $_SESSION['webDocgrpNames'] : false;
        } else if ($this->isBackend() && isset($_SESSION['mgrDocgroups']) && isset($_SESSION['mgrValidated'])) {
            $dg = $_SESSION['mgrDocgroups'];
            $dgn = isset($_SESSION['mgrDocgrpNames']) ? $_SESSION['mgrDocgrpNames'] : false;
        } else {
            $dg = '';
        }
        if (!$resolveIds) {
            return $dg;
        } else if (is_array($dgn)) {
            return $dgn;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        } else if (is_array($dg)) {
            // resolve ids to names
            $dgn = array();
            $ds = $this->getDatabase()->select('name', $this->getDatabase()->getFullTableName("documentgroup_names"), "id IN (" . implode(",", $dg) . ")");

            while ($row = $this->getDatabase()->getRow($ds)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $dgn[] = $row['name'];
            }
            // cache docgroup names to session
            if ($this->isFrontend()) {
                $_SESSION['webDocgrpNames'] = $dgn;
            } else {
                $_SESSION['mgrDocgrpNames'] = $dgn;
            }
            return $dgn;
        }
    }

    /**
     * Change current web user's password
     *
     * @todo Make password length configurable, allow rules for passwords and translation of messages

     * @param string $oldPwd
     * @param string $newPwd
     * @return string|boolean Returns true if successful, oterhwise return error
     *                        message
     */
    public function changeWebUserPassword($oldPwd, $newPwd)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $rt = false;

        if ($_SESSION["webValidated"] == 1) {
            $tbl = $this->getDatabase()->getFullTableName("web_users");
            $ds = $this->getDatabase()->select('id, username, password', $tbl, "id='" . $this->getLoginUserID() . "'");

            if ($row = $this->getDatabase()->getRow($ds)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                if ($row["password"] == md5($oldPwd)) {
                    if (strlen($newPwd) < 6) {
                        return "Password is too short!";
                    } elseif ($newPwd == "") {
                        return "You didn't specify a password for this user!";
                    } else {
                        $this->getDatabase()->update(array(
                            'password' => $this->getDatabase()->escape($newPwd),
                        ), $tbl, "id='" . $this->getLoginUserID() . "'");
                        // invoke OnWebChangePassword event
                        $this->invokeEvent("OnWebChangePassword", array(
                            "userid" => $row["id"],
                            "username" => $row["username"],
                            "userpassword" => $newPwd
                        ));
                        return true;
                    }
                } else {
                    return "Incorrect password.";
                }
            }
        }
        return $rt;
    }

    /**
     * Returns true if the current web user is a member the specified groups
     *
     * @param array $groupNames
     * @return boolean
     */
    public function isMemberOfWebGroup($groupNames = array())
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if (!is_array($groupNames)) {
            return false;
        }
        // check cache
        $grpNames = isset ($_SESSION['webUserGroupNames']) ? $_SESSION['webUserGroupNames'] : false;
        if (!is_array($grpNames)) {
            $rs = $this->getDatabase()->select('wgn.name', $this->getDatabase()->getFullTableName("webgroup_names") . " wgn

                    INNER JOIN " . $this->getDatabase()->getFullTableName("web_groups") . " wg ON wg.webgroup=wgn.id AND wg.webuser='" . $this->getLoginUserID() . "'");
            $grpNames = $this->getDatabase()->getColumn("name", $rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            // save to cache
            $_SESSION['webUserGroupNames'] = $grpNames;
        }
        foreach ($groupNames as $k => $v) {
            if (in_array(trim($v), $grpNames)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Registers Client-side CSS scripts - these scripts are loaded at inside
     * the <head> tag
     *
     * @param string $src
     * @param string $media Default: Empty string
     * @return string

     */
    public function regClientCSS($src, $media = '')
    {
        if (empty($src) || isset ($this->loadedjscripts[$src])) {
            return '';
        }
        $nextpos = max(array_merge(array(0), array_keys($this->sjscripts))) + 1;
        $this->loadedjscripts[$src]['startup'] = true;
        $this->loadedjscripts[$src]['version'] = '0';
        $this->loadedjscripts[$src]['pos'] = $nextpos;
        if (strpos(strtolower($src), "<style") !== false || strpos(strtolower($src), "<link") !== false) {
            $this->sjscripts[$nextpos] = $src;
        } else {
            $this->sjscripts[$nextpos] = "\t" . '<link rel="stylesheet" type="text/css" href="' . $src . '" ' . ($media ? 'media="' . $media . '" ' : '') . '/>';
        }
    }

    /**
     * Registers Startup Client-side JavaScript - these scripts are loaded at inside the <head> tag
     *
     * @param string $src
     * @param array $options Default: 'name'=>'', 'version'=>'0', 'plaintext'=>false
     */
    public function regClientStartupScript($src, $options = array('name' => '', 'version' => '0', 'plaintext' => false))
    {
        $this->regClientScript($src, $options, true);
    }

    /**
     * Registers Client-side JavaScript these scripts are loaded at the end of the page unless $startup is true
     *
     * @param string $src
     * @param array $options Default: 'name'=>'', 'version'=>'0', 'plaintext'=>false
     * @param boolean $startup Default: false
     * @return string
     */
    public function regClientScript($src, $options = array('name' => '', 'version' => '0', 'plaintext' => false), $startup = false)
    {
        if (empty($src)) {
            return '';
        } // nothing to register
        if (!is_array($options)) {
            if (is_bool($options))  // backward compatibility with old plaintext parameter
            {
                $options = array('plaintext' => $options);
            } elseif (is_string($options)) // Also allow script name as 2nd param
            {
                $options = array('name' => $options);
            } else {
                $options = array();
            }
        }
        $name = isset($options['name']) ? strtolower($options['name']) : '';
        $version = isset($options['version']) ? $options['version'] : '0';
        $plaintext = isset($options['plaintext']) ? $options['plaintext'] : false;
        $key = !empty($name) ? $name : $src;
        unset($overwritepos); // probably unnecessary--just making sure

        $useThisVer = true;
        if (isset($this->loadedjscripts[$key])) { // a matching script was found
            // if existing script is a startup script, make sure the candidate is also a startup script
            if ($this->loadedjscripts[$key]['startup']) {
                $startup = true;
            }

            if (empty($name)) {
                $useThisVer = false; // if the match was based on identical source code, no need to replace the old one
            } else {
                $useThisVer = version_compare($this->loadedjscripts[$key]['version'], $version, '<');
            }

            if ($useThisVer) {
                if ($startup == true && $this->loadedjscripts[$key]['startup'] == false) {

                    // remove old script from the bottom of the page (new one will be at the top)
                    unset($this->jscripts[$this->loadedjscripts[$key]['pos']]);
                } else {
                    // overwrite the old script (the position may be important for dependent scripts)
                    $overwritepos = $this->loadedjscripts[$key]['pos'];
                }
            } else { // Use the original version
                if ($startup == true && $this->loadedjscripts[$key]['startup'] == false) {

                    // need to move the exisiting script to the head
                    $version = $this->loadedjscripts[$key][$version];
                    $src = $this->jscripts[$this->loadedjscripts[$key]['pos']];
                    unset($this->jscripts[$this->loadedjscripts[$key]['pos']]);
                } else {
                    return ''; // the script is already in the right place
                }
            }
        }

        if ($useThisVer && $plaintext != true && (strpos(strtolower($src), "<script") === false)) {
            $src = "\t" . '<script type="text/javascript" src="' . $src . '"></script>';
        }
        if ($startup) {
            $pos = isset($overwritepos) ? $overwritepos : max(array_merge(array(0), array_keys($this->sjscripts))) + 1;
            $this->sjscripts[$pos] = $src;
        } else {
            $pos = isset($overwritepos) ? $overwritepos : max(array_merge(array(0), array_keys($this->jscripts))) + 1;
            $this->jscripts[$pos] = $src;
        }
        $this->loadedjscripts[$key]['version'] = $version;
        $this->loadedjscripts[$key]['startup'] = $startup;
        $this->loadedjscripts[$key]['pos'] = $pos;
        return '';
    }

    /**
     * Returns all registered JavaScripts
     *
     * @return string
     */
    public function regClientStartupHTMLBlock($html)
    {
        return $this->regClientScript($html, true, true);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * Returns all registered startup scripts
     *
     * @return string
     */
    public function regClientHTMLBlock($html)
    {
        return $this->regClientScript($html, true);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * Remove unwanted html tags and snippet, settings and tags
     *
     * @param string $html
     * @param string $allowed Default: Empty string
     * @return string
     */
    public function stripTags($html, $allowed = "")
    {
        $t = strip_tags($html, $allowed);

        $t = preg_replace('~\[\*(.*?)\*\]~', "", $t); //tv
        $t = preg_replace('~\[\[(.*?)\]\]~', "", $t); //snippet
        $t = preg_replace('~\[\!(.*?)\!\]~', "", $t); //snippet
        $t = preg_replace('~\[\((.*?)\)\]~', "", $t); //settings
        $t = preg_replace('~\[\+(.*?)\+\]~', "", $t); //placeholders
        $t = preg_replace('~{{(.*?)}}~', "", $t); //chunks
        return $t;
    }

    /**
     * Add an event listener to a plugin - only for use within the current execution cycle
     *
     * @param string $evtName
     * @param string $pluginName
     * @return boolean|int

     */
    public function addEventListener($evtName, $pluginName)
    {
        if (!$evtName || !$pluginName) {
            return false;
        }
        if (!array_key_exists($evtName, $this->pluginEvent)) {
            $this->pluginEvent[$evtName] = array();
        }
        return array_push($this->pluginEvent[$evtName], $pluginName); // return array count
    }

    /**
     * Remove event listener - only for use within the current execution cycle
     *
     * @param string $evtName
     * @return boolean

     */
    public function removeEventListener($evtName)
    {
        if (!$evtName) {
            return false;
        }
        unset ($this->pluginEvent[$evtName]);
    }

    /**
     * Remove all event listeners - only for use within the current execution cycle
     */
    public function removeAllEventListener()
    {
        unset ($this->pluginEvent);
        $this->pluginEvent = array();
    }

    /**
     * Invoke an event.
     *
     * @param string $evtName
     * @param array $extParams Parameters available to plugins. Each array key will be the PHP variable name, and the array value will be the variable value.
     * @return boolean|array

     */
    public function invokeEvent($evtName, $extParams = array())
    {
        if (!$evtName) {
            return false;
        }
        if (!isset ($this->pluginEvent[$evtName])) {
            return false;
        }

        $results = null;
        foreach ($this->pluginEvent[$evtName] as $pluginName) { // start for loop
            if ($this->dumpPlugins) {
                $eventtime = $this->getMicroTime();
            }
            // reset event object
            $e = &$this->event;
            $e->_resetEventObject();
            $e->name = $evtName;
            $e->activePlugin = $pluginName;

            // get plugin code
            $_ = $this->getPluginCode($pluginName);
            $pluginCode = $_['code'];
            $pluginProperties = $_['props'];

            // load default params/properties
            $parameter = $this->parseProperties($pluginProperties);
            if (!is_array($parameter)) {
                $parameter = array();
            }
            if (!empty($extParams)) {
                $parameter = array_merge($parameter, $extParams);
            }

            // eval plugin
            $this->evalPlugin($pluginCode, $parameter);

            if (class_exists('PHxParser')) {
                $this->config['enable_filter'] = 0;
            }

            if ($this->dumpPlugins) {
                $eventtime = $this->getMicroTime() - $eventtime;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $this->pluginsCode .= sprintf('<fieldset><legend><b>%s / %s</b> (%2.2f ms)</legend>', $evtName, $pluginName, $eventtime * 1000);
                foreach ($parameter as $k => $v) {
                    $this->pluginsCode .= "{$k} => " . print_r($v, true) . '<br>';
                }
                $this->pluginsCode .= '</fieldset><br />';
                $this->pluginsTime["{$evtName} / {$pluginName}"] += $eventtime;
            }
            if ($e->getOutput() != '') {
                $results[] = $e->getOutput();
            }
            if ($e->_propagate != true) {

                break;
            }
        }

        $e->activePlugin = '';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        return $results;
    }

    /**
     * Returns plugin-code and properties
     *
     * @param string $pluginName
     * @return array Associative array consisting of 'code' and 'props'
     */
    public function getPluginCode($pluginName)
    {
        $plugin = array();
        if (isset ($this->pluginCache[$pluginName])) {
            $pluginCode = $this->pluginCache[$pluginName];
            $pluginProperties = isset($this->pluginCache[$pluginName . "Props"]) ? $this->pluginCache[$pluginName . "Props"] : '';
        } else {
            $pluginName = $this->getDatabase()->escape($pluginName);
            $result = $this->getDatabase()->select('name, plugincode, properties', $this->getDatabase()->getFullTableName("site_plugins"), "name='{$pluginName}' AND disabled=0");
            if ($row = $this->getDatabase()->getRow($result)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $pluginCode = $this->pluginCache[$row['name']] = $row['plugincode'];
                $pluginProperties = $this->pluginCache[$row['name'] . "Props"] = $row['properties'];
            } else {
                $pluginCode = $this->pluginCache[$pluginName] = "return false;";
                $pluginProperties = '';
            }
        }
        $plugin['code'] = $pluginCode;
        $plugin['props'] = $pluginProperties;

        return $plugin;
    }

    /**
     * Parses a resource property string and returns the result as an array
     *
     * @param string|array $propertyString
     * @param string|null $elementName
     * @param string|null $elementType
     * @return array Associative array in the form property name => property value
     */
    public function parseProperties($propertyString, $elementName = null, $elementType = null)
    {
        $property = array();

        if(\is_scalar($propertyString)) {
            $propertyString = trim($propertyString);
            $propertyString = str_replace('{}', '', $propertyString);
            $propertyString = str_replace('} {', ',', $propertyString);
            if (!empty($propertyString) && $propertyString != '{}') {
                $jsonFormat = $this->isJson($propertyString, true);
                // old format
                if ($jsonFormat === false) {
                    $props = explode('&', $propertyString);
                    foreach ($props as $prop) {

                        if (empty($prop)) {
                            continue;
                        } elseif (strpos($prop, '=') === false) {
                            $property[trim($prop)] = '';
                            continue;
                        }

                        $_ = explode('=', $prop, 2);
                        $key = trim($_[0]);
                        $p = explode(';', trim($_[1]));
                        switch ($p[1]) {
                            case 'list':
                            case 'list-multi':
                            case 'checkbox':
                            case 'radio':
                                $value = !isset($p[3]) ? '' : $p[3];
                                break;
                            default:
                                $value = !isset($p[2]) ? '' : $p[2];
                        }
                        if (!empty($key)) {
                            $property[$key] = $value;
                        }
                    }
                    // new json-format
                } else if (!empty($jsonFormat)) {
                    foreach ($jsonFormat as $key => $row) {
                        if (!empty($key)) {
                            if (is_array($row)) {
                                if (isset($row[0]['value'])) {
                                    $value = $row[0]['value'];
                                }
                            } else {
                                $value = $row;
                            }
                            if (isset($value) && $value !== '') {
                                $property[$key] = $value;
                            }
                        }
                    }
                }
            }
        }
        elseif(\is_array($propertyString)) {
            $property = $propertyString;
        }
        if (!empty($elementName) && !empty($elementType)) {
            $out = $this->invokeEvent('OnParseProperties', array(
                'element' => $elementName,
                'type' => $elementType,
                'args' => $property
            ));
            if (is_array($out)) {
                $out = array_pop($out);
            }
            if (is_array($out)) {
                $property = $out;
            }
        }

        return $property;
    }

    /**
     * Parses docBlock from a file and returns the result as an array
     *
     * @param string $element_dir
     * @param string $filename
     * @param boolean $escapeValues
     * @return array Associative array in the form property name => property value
     */
    public function parseDocBlockFromFile($element_dir, $filename, $escapeValues = false)

    {
        $params = array();
        $fullpath = $element_dir . '/' . $filename;
        if (is_readable($fullpath)) {
            $tpl = @fopen($fullpath, "r");
            if ($tpl) {
                $params['filename'] = $filename;
                $docblock_start_found = false;
                $name_found = false;
                $description_found = false;
                $docblock_end_found = false;
                $arrayParams = array('author', 'documentation', 'reportissues', 'link');

                while (!feof($tpl)) {
                    $line = fgets($tpl);
                    $r = $this->parseDocBlockLine($line, $docblock_start_found, $name_found, $description_found, $docblock_end_found);

                    $docblock_start_found = $r['docblock_start_found'];
                    $name_found = $r['name_found'];
                    $description_found = $r['description_found'];
                    $docblock_end_found = $r['docblock_end_found'];
                    $param = $r['param'];
                    $val = $r['val'];
                    if (!$docblock_end_found) {
                        break;
                    }
                    if (!$docblock_start_found || !$name_found || !$description_found || empty($param)) {
                        continue;
                    }
                    if (!empty($param)) {
                        if (in_array($param, $arrayParams)) {
                            if (!isset($params[$param])) {
                                $params[$param] = array();
                            }
                            $params[$param][] = $escapeValues ? $this->getDatabase()->escape($val) : $val;
                        } else {
                            $params[$param] = $escapeValues ? $this->getDatabase()->escape($val) : $val;
                        }
                    }
                }
                @fclose($tpl);
            }
        }
        return $params;
    }

    /**
     * Parses docBlock from string and returns the result as an array
     *
     * @param string $string
     * @param boolean $escapeValues
     * @return array Associative array in the form property name => property value
     */
    public function parseDocBlockFromString($string, $escapeValues = false)
    {
        $params = array();
        if (!empty($string)) {
            $string = str_replace('\r\n', '\n', $string);
            $exp = explode('\n', $string);
            $docblock_start_found = false;
            $name_found = false;
            $description_found = false;
            $docblock_end_found = false;
            $arrayParams = array('author', 'documentation', 'reportissues', 'link');

            foreach ($exp as $line) {
                $r = $this->parseDocBlockLine($line, $docblock_start_found, $name_found, $description_found, $docblock_end_found);
                $docblock_start_found = $r['docblock_start_found'];
                $name_found = $r['name_found'];
                $description_found = $r['description_found'];
                $docblock_end_found = $r['docblock_end_found'];
                $param = $r['param'];
                $val = $r['val'];
                if (!$docblock_start_found) {
                    continue;
                }
                if ($docblock_end_found) {
                    break;
                }
                if (!empty($param)) {
                    if (in_array($param, $arrayParams)) {
                        if (!isset($params[$param])) {
                            $params[$param] = array();
                        }
                        $params[$param][] = $escapeValues ? $this->getDatabase()->escape($val) : $val;
                    } else {
                        $params[$param] = $escapeValues ? $this->getDatabase()->escape($val) : $val;
                    }
                }
            }
        }
        return $params;
    }

    /**
     * Parses docBlock of a component´s source-code and returns the result as an array
     * (modified parseDocBlock() from modules/stores/setup.info.php by Bumkaka & Dmi3yy)
     *
     * @param string $line
     * @param boolean $docblock_start_found
     * @param boolean $name_found
     * @param boolean $description_found
     * @param boolean $docblock_end_found
     * @return array Associative array in the form property name => property value

     */
    public function parseDocBlockLine($line, $docblock_start_found, $name_found, $description_found, $docblock_end_found)

    {
        $param = '';
        $val = '';
        $ma = null;

        if (!$docblock_start_found) {
            // find docblock start
            if (strpos($line, '/**') !== false) {
                $docblock_start_found = true;
            }
        } elseif (!$name_found) {
            // find name
            if (preg_match("/^\s+\*\s+(.+)/", $line, $ma)) {
                $param = 'name';
                $val = trim($ma[1]);
                $name_found = !empty($val);
            }
        } elseif (!$description_found) {
            // find description
            if (preg_match("/^\s+\*\s+(.+)/", $line, $ma)) {
                $param = 'description';
                $val = trim($ma[1]);
                $description_found = !empty($val);
            }
        } else {
            if (preg_match("/^\s+\*\s+\@([^\s]+)\s+(.+)/", $line, $ma)) {
                $param = trim($ma[1]);
                $val = trim($ma[2]);
                if (!empty($param) && !empty($val)) {
                    if ($param == 'internal') {
                        $ma = null;
                        if (preg_match("/\@([^\s]+)\s+(.+)/", $val, $ma)) {
                            $param = trim($ma[1]);
                            $val = trim($ma[2]);
                        }
                    }
                }
            } elseif (preg_match("/^\s*\*\/\s*$/", $line)) {
                $docblock_end_found = true;
            }
        }
        return array(
            'docblock_start_found' => $docblock_start_found,
            'name_found' => $name_found,
            'description_found' => $description_found,
            'docblock_end_found' => $docblock_end_found,
            'param' => $param,
            'val' => $val
        );
    }

    /**
     * Renders docBlock-parameters into human readable list
     *
     * @param array $parsed
     * @return string List in HTML-format
     */
    public function convertDocBlockIntoList($parsed)
    {
        global $_lang;

        // Replace special placeholders & make URLs + Emails clickable
        $ph = array('site_url' => MODX_SITE_URL);

        $regexUrl = "/((http|https|ftp|ftps)\:\/\/[^\/]+(\/[^\s]+[^,.?!:;\s])?)/";
        $regexEmail = '#([0-9a-z]([-_.]?[0-9a-z])*@[0-9a-z]([-.]?[0-9a-z])*\\.[a-wyz][a-z](fo|g|l|m|mes|o|op|pa|ro|seum|t|u|v|z)?)#i';
        $emailSubject = isset($parsed['name']) ? '?subject=' . $parsed['name'] : '';
        $emailSubject .= isset($parsed['version']) ? ' v' . $parsed['version'] : '';
        foreach ($parsed as $key => $val) {
            if (is_array($val)) {
                foreach ($val as $key2 => $val2) {
                    $val2 = $this->parseText($val2, $ph);
                    if (preg_match($regexUrl, $val2, $url)) {
                        $val2 = preg_replace($regexUrl, "<a href=\"{$url[0]}\" target=\"_blank\">{$url[0]}</a> ", $val2);
                    }
                    if (preg_match($regexEmail, $val2, $url)) {
                        $val2 = preg_replace($regexEmail, '<a href="mailto:\\1' . $emailSubject . '">\\1</a>', $val2);
                    }
                    $parsed[$key][$key2] = $val2;
                }
            } else {
                $val = $this->parseText($val, $ph);
                if (preg_match($regexUrl, $val, $url)) {
                    $val = preg_replace($regexUrl, "<a href=\"{$url[0]}\" target=\"_blank\">{$url[0]}</a> ", $val);
                }
                if (preg_match($regexEmail, $val, $url)) {
                    $val = preg_replace($regexEmail, '<a href="mailto:\\1' . $emailSubject . '">\\1</a>', $val);
                }
                $parsed[$key] = $val;
            }
        }

        $arrayParams = array(
            'documentation' => $_lang['documentation'],
            'reportissues' => $_lang['report_issues'],
            'link' => $_lang['further_info'],
            'author' => $_lang['author_infos']
        );

        $nl = "\n";

        $list = isset($parsed['logo']) ? '<img src="' . $this->config['base_url'] . ltrim($parsed['logo'], "/") . '" style="float:right;max-width:100px;height:auto;" />' . $nl : '';
        $list .= '<p>' . $nl;
        $list .= isset($parsed['name']) ? '<strong>' . $parsed['name'] . '</strong><br/>' . $nl : '';
        $list .= isset($parsed['description']) ? $parsed['description'] . $nl : '';
        $list .= '</p><br/>' . $nl;
        $list .= isset($parsed['version']) ? '<p><strong>' . $_lang['version'] . ':</strong> ' . $parsed['version'] . '</p>' . $nl : '';
        $list .= isset($parsed['license']) ? '<p><strong>' . $_lang['license'] . ':</strong> ' . $parsed['license'] . '</p>' . $nl : '';
        $list .= isset($parsed['lastupdate']) ? '<p><strong>' . $_lang['last_update'] . ':</strong> ' . $parsed['lastupdate'] . '</p>' . $nl : '';
        $list .= '<br/>' . $nl;
        $first = true;
        foreach ($arrayParams as $param => $label) {
            if (isset($parsed[$param])) {
                if ($first) {
                    $list .= '<p><strong>' . $_lang['references'] . '</strong></p>' . $nl;
                    $list .= '<ul class="docBlockList">' . $nl;
                    $first = false;
                }
                $list .= '    <li><strong>' . $label . '</strong>' . $nl;
                $list .= '        <ul>' . $nl;
                foreach ($parsed[$param] as $val) {
                    $list .= '            <li>' . $val . '</li>' . $nl;
                }
                $list .= '        </ul></li>' . $nl;
            }
        }
        $list .= !$first ? '</ul>' . $nl : '';

        return $list;
    }

    /**
     * @param string $string
     * @return string
     */
    public function removeSanitizeSeed($string = '')
    {
        global $sanitize_seed;
function myFunction($a, $b) {
    // Do something
}

        if (!$string || strpos($string, $sanitize_seed) === false) {
            return $string;
        }

        return str_replace($sanitize_seed, '', $string);
    }

    /**
     * @param string $content
     * @return string
     */
    public function cleanUpMODXTags($content = '')
    {
        if ($this->minParserPasses < 1) {
            return $content;
        }

        $enable_filter = $this->config['enable_filter'];
        $this->config['enable_filter'] = 1;
        $_ = array('[* *]', '[( )]', '{{ }}', '[[ ]]', '[+ +]');

        foreach ($_ as $brackets) {
            list($left, $right) = explode(' ', $brackets);
            if (strpos($content, $left) !== false) {
                if ($left === '[*') {
                    $content = $this->mergeDocumentContent($content);
                } elseif ($left === '[(') {
                    $content = $this->mergeSettingsContent($content);
                } elseif ($left === '{{') {
                    $content = $this->mergeChunkContent($content);
                } elseif ($left === '[[') {
                    $content = $this->evalSnippets($content);
                }
            }
        }
        foreach ($_ as $brackets) {
            list($left, $right) = explode(' ', $brackets);
            if (strpos($content, $left) !== false) {
                $matches = $this->getTagsFromContent($content, $left, $right);
                $content = str_replace($matches[0], '', $content);
            }
        }
        $this->config['enable_filter'] = $enable_filter;
        return $content;
    }

    /**
     * @param string $str
     * @param string $allowable_tags
     * @return string

     */
    public function strip_tags($str = '', $allowable_tags = '')

    {
        $str = strip_tags($str, $allowable_tags);
        modx_sanitize_gpc($str);
        return $str;
    }

    /**
     * {@inheritdoc}
     */
    public function addSnippet($name, $phpCode, $namespace = '#', array $defaultParams = array())
    {
        $this->snippetCache[$namespace . $name] = $phpCode;
        $this->snippetCache[$namespace . $name . 'Props'] = $defaultParams;
    }

    /**
     * {@inheritdoc}
     */
    public function addChunk($name, $text, $namespace = '#')
    {
        $this->chunkCache[$namespace . $name] = $text;
    }

    /**
     * {@inheritdoc}
     */
    public function findElements($type, $scanPath, array $ext)
    {
        $out = array();

        if (! is_dir($scanPath) || empty($ext)) {
            return $out;
        }
        $iterator = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator($scanPath, \RecursiveDirectoryIterator::SKIP_DOTS),
            \RecursiveIteratorIterator::SELF_FIRST
        );
        foreach ($iterator as $item) {
            /**
             * @var \SplFileInfo $item
             */
            if ($item->isFile() && $item->isReadable() && \in_array($item->getExtension(), $ext)) {
                $name = $item->getBasename('.' . $item->getExtension());
                $path = ltrim(str_replace(
                    array(rtrim($scanPath, '//'), '/'),
                    array('', '\\'),
                    $item->getPath() . '/'
                ), '\\');

                if (!empty($path)) {
                    $name = $path . $name;
                }
                switch ($type) {
                    case 'chunk':
                        $out[$name] = file_get_contents($item->getRealPath());
                        break;
                    case 'snippet':
                        $out[$name] = "return require '" . $item->getRealPath() . "';";
                        break;
                    default:
                        throw new \Exception;
                }
            }
        }

        return $out;
    }

    /**
     * @param string $phpcode
     * @param string $evalmode
     * @param string $safe_functions
     * @return string|void

     */
    public function safeEval($phpcode = '', $evalmode = '', $safe_functions = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($evalmode == '') {
            $evalmode = $this->config['allow_eval'];
        }
        if ($safe_functions == '') {
            $safe_functions = $this->config['safe_functions_at_eval'];
        }

        modx_sanitize_gpc($phpcode);

        switch ($evalmode) {
            case 'with_scan'         :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
                $isSafe = $this->isSafeCode($phpcode, $safe_functions);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                break;
            case 'with_scan_at_post' :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
                $isSafe = $_POST ? $this->isSafeCode($phpcode, $safe_functions) : true;
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                break;
            case 'everytime_eval'    :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
                $isSafe = true;
                break; // Should debug only
            case 'dont_eval'         :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
            default                  :
switch ($expr) {
    default : //wrong
        doSomething();
        break;
}

switch ($expr) {
    default: //right
        doSomething();
        break;
}
                return $phpcode;
        }

        if (!$isSafe) {
            $msg = $phpcode . "\n" . $this->currentSnippet . "\n" . print_r($_SERVER, true);
            $title = sprintf('Unknown eval was executed (%s)', $this->getPhpCompat()->htmlspecialchars(substr(trim($phpcode), 0, 50)));
            $this->messageQuit($title, '', true, '', '', 'Parser', $msg);
            return;
        }

        ob_start();
        $return = eval($phpcode);

        $echo = ob_get_clean();

        if (is_array($return)) {
            return 'array()';
        }

        $output = $echo . $return;
        modx_sanitize_gpc($output);
        return $this->getPhpCompat()->htmlspecialchars($output); // Maybe, all html tags are dangerous
    }

    /**
     * @param string $phpcode
     * @param string $safe_functions
     * @return bool
     */
    public function isSafeCode($phpcode = '', $safe_functions = '')

    { // return true or false

        if ($safe_functions == '') {
            return false;
        }

        $safe = explode(',', $safe_functions);

        $phpcode = rtrim($phpcode, ';') . ';';
        $tokens = token_get_all('<?php ' . $phpcode);
        foreach ($tokens as $i => $token) {
            if (!is_array($token)) {
                continue;
            }
            $tokens[$i]['token_name'] = token_name($token[0]);
        }
        foreach ($tokens as $token) {
            if (!is_array($token)) {
                continue;
            }
            switch ($token['token_name']) {
                case 'T_STRING':
                    if (!in_array($token[1], $safe)) {
                        return false;
                    }
                    break;
                case 'T_VARIABLE':
                    if ($token[1] == '$GLOBALS') {
                        return false;
                    }
                    break;
                case 'T_EVAL':
                    return false;
            }
        }
        return true;
    }

    /**
     * @param string $str
     * @return bool|mixed|string

     */
    public function atBindFileContent($str = '')
    {

        $search_path = array('assets/tvs/', 'assets/chunks/', 'assets/templates/', $this->config['rb_base_url'] . 'files/', '');

        if (stripos($str, '@FILE') !== 0) {
            return $str;
        }
        if (strpos($str, "\n") !== false) {
            $str = substr($str, 0, strpos("\n", $str));
        }

        if ($this->getExtFromFilename($str) === '.php') {
            return 'Could not retrieve PHP file.';
        }

        $str = substr($str, 6);
        $str = trim($str);
        if (strpos($str, '\\') !== false) {
            $str = str_replace('\\', '/', $str);
        }
        $str = ltrim($str, '/');

        $errorMsg = sprintf("Could not retrieve string '%s'.", $str);

        foreach ($search_path as $path) {
            $file_path = MODX_BASE_PATH . $path . $str;
            if (strpos($file_path, MODX_MANAGER_PATH) === 0) {
                return $errorMsg;
            } elseif (is_file($file_path)) {
                break;
            } else {
                $file_path = false;
            }
        }

        if (!$file_path) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            return $errorMsg;
        }

        $content = (string)file_get_contents($file_path);
        if ($content === false) {
            return $errorMsg;
        }

        return $content;
    }

    /**
     * @param $str
     * @return bool|string

     */
    public function getExtFromFilename($str)
    {
        $str = strtolower(trim($str));
        $pos = strrpos($str, '.');
        if ($pos === false) {
            return false;
        } else {
            return substr($str, $pos);
        }
    }
    /***************************************************************************************/
    /* End of API functions                                       */
    /***************************************************************************************/

    /**
     * PHP error handler set by http://www.php.net/manual/en/function.set-error-handler.php
     *
     * Checks the PHP error and calls messageQuit() unless:
     *  - error_reporting() returns 0, or
     *  - the PHP error level is 0, or
     *  - the PHP error level is 8 (E_NOTICE) and stopOnNotice is false
     *
     * @param int $nr The PHP error level as per http://www.php.net/manual/en/errorfunc.constants.php
     * @param string $text Error message
     * @param string $file File where the error was detected
     * @param string $line Line number within $file
     * @return boolean

     */
    public function phpError($nr, $text, $file, $line)

    {
        if (error_reporting() == 0 || $nr == 0) {
            return true;
        }
        if ($this->stopOnNotice == false) {

            switch ($nr) {
                case E_NOTICE:
                    if ($this->error_reporting <= 2) {
                        return true;
                    }
                    $isError = false;
                    $msg = 'PHP Minor Problem (this message show logged in only)';
                    break;
                case E_STRICT:
                case E_DEPRECATED:
                    if ($this->error_reporting <= 1) {
                        return true;
                    }
                    $isError = true;
                    $msg = 'PHP Strict Standards Problem';
                    break;
                default:
                    if ($this->error_reporting === 0) {
                        return true;
                    }
                    $isError = true;
                    $msg = 'PHP Parse Error';
            }
        }
        if (is_readable($file)) {
            $source = file($file);
            $source = $this->getPhpCompat()->htmlspecialchars($source[$line - 1]);
        } else {
            $source = "";
        } //Error $nr in $file at $line: <div><code>$source</code></div>

        $this->messageQuit($msg, '', $isError, $nr, $file, $source, $text, $line);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
    }

    /**
     * @param string $msg
     * @param string $query
     * @param bool $is_error
     * @param string $nr
     * @param string $file
     * @param string $source
     * @param string $text
     * @param string $line
     * @param string $output
     * @return bool

     */
    public function messageQuit($msg = 'unspecified error', $query = '', $is_error = true, $nr = '', $file = '', $source = '', $text = '', $line = '', $output = '')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {

        if (0 < $this->messageQuitCount) {
            return;
        }
        $this->messageQuitCount++;
        $MakeTable = new Support\MakeTable();
        $MakeTable->setTableClass('grid');
        $MakeTable->setRowRegularClass('gridItem');
        $MakeTable->setRowAlternateClass('gridAltItem');
        $MakeTable->setColumnWidths(array('100px'));

        $table = array();

        $version = isset ($GLOBALS['modx_version']) ? $GLOBALS['modx_version'] : '';
        $release_date = isset ($GLOBALS['release_date']) ? $GLOBALS['release_date'] : '';
        $request_uri = "http://" . $_SERVER['HTTP_HOST'] . ($_SERVER["SERVER_PORT"] == 80 ? "" : (":" . $_SERVER["SERVER_PORT"])) . $_SERVER['REQUEST_URI'];
        $request_uri = $this->getPhpCompat()->htmlspecialchars($request_uri, ENT_QUOTES, $this->config['modx_charset']);
        $ua = $this->getPhpCompat()->htmlspecialchars($_SERVER['HTTP_USER_AGENT'], ENT_QUOTES, $this->config['modx_charset']);

        $referer = $this->getPhpCompat()->htmlspecialchars($_SERVER['HTTP_REFERER'], ENT_QUOTES, $this->config['modx_charset']);
        if ($is_error) {
            $str = '<h2 style="color:red">&laquo; Evo Parse Error &raquo;</h2>';
            if ($msg != 'PHP Parse Error') {
                $str .= '<h3 style="color:red">' . $msg . '</h3>';
            }
        } else {
            $str = '<h2 style="color:#003399">&laquo; Evo Debug/ stop message &raquo;</h2>';
            $str .= '<h3 style="color:#003399">' . $msg . '</h3>';
        }

        if (!empty ($query)) {
            $str .= '<div style="font-weight:bold;border:1px solid #ccc;padding:8px;color:#333;background-color:#ffffcd;margin-bottom:15px;">SQL &gt; <span id="sqlHolder">' . $query . '</span></div>';
        }

        $errortype = array(
            E_ERROR => "ERROR",
            E_WARNING => "WARNING",
            E_PARSE => "PARSING ERROR",
            E_NOTICE => "NOTICE",
            E_CORE_ERROR => "CORE ERROR",
            E_CORE_WARNING => "CORE WARNING",
            E_COMPILE_ERROR => "COMPILE ERROR",
            E_COMPILE_WARNING => "COMPILE WARNING",
            E_USER_ERROR => "USER ERROR",
            E_USER_WARNING => "USER WARNING",
            E_USER_NOTICE => "USER NOTICE",
            E_STRICT => "STRICT NOTICE",
            E_RECOVERABLE_ERROR => "RECOVERABLE ERROR",
            E_DEPRECATED => "DEPRECATED",
            E_USER_DEPRECATED => "USER DEPRECATED"
        );

        if (!empty($nr) || !empty($file)) {
            if ($text != '') {
                $str .= '<div style="font-weight:bold;border:1px solid #ccc;padding:8px;color:#333;background-color:#ffffcd;margin-bottom:15px;">Error : ' . $text . '</div>';
            }
            if ($output != '') {
                $str .= '<div style="font-weight:bold;border:1px solid #ccc;padding:8px;color:#333;background-color:#ffffcd;margin-bottom:15px;">' . $output . '</div>';
            }
            if ($nr !== '') {
                $table[] = array('ErrorType[num]', $errortype [$nr] . "[" . $nr . "]");
            }
            if ($file) {
                $table[] = array('File', $file);
            }
            if ($line) {
                $table[] = array('Line', $line);
            }

        }

        if ($source != '') {
            $table[] = array("Source", $source);
        }

        if (!empty($this->currentSnippet)) {
            $table[] = array('Current Snippet', $this->currentSnippet);
        }

        if (!empty($this->event->activePlugin)) {
            $table[] = array('Current Plugin', $this->event->activePlugin . '(' . $this->event->name . ')');
        }

        $str .= $MakeTable->create($table, array('Error information', ''));
        $str .= "<br />";

        $table = array();
        $table[] = array('REQUEST_URI', $request_uri);

        if ($this->getManagerApi()->action) {
            include_once(MODX_MANAGER_PATH . 'includes/actionlist.inc.php');
            global $action_list;
            $actionName = (isset($action_list[$this->getManagerApi()->action])) ? " - {$action_list[$this->getManagerApi()->action]}" : '';

            $table[] = array('Manager action', $this->getManagerApi()->action . $actionName);
        }

        if (preg_match('@^[0-9]+@', $this->documentIdentifier)) {
            $resource = $this->getDocumentObject('id', $this->documentIdentifier);
            $url = $this->makeUrl($this->documentIdentifier, '', '', 'full');
            $table[] = array('Resource', '[' . $this->documentIdentifier . '] <a href="' . $url . '" target="_blank">' . $resource['pagetitle'] . '</a>');
        }
        $table[] = array('Referer', $referer);
        $table[] = array('User Agent', $ua);
        $table[] = array('IP', $_SERVER['REMOTE_ADDR']);
        $table[] = array('Current time', date("Y-m-d H:i:s", $_SERVER['REQUEST_TIME'] + $this->config['server_offset_time']));
        $str .= $MakeTable->create($table, array('Basic info', ''));
        $str .= "<br />";

        $table = array();
        $table[] = array('MySQL', '[^qt^] ([^q^] Requests)');
        $table[] = array('PHP', '[^p^]');
        $table[] = array('Total', '[^t^]');
        $table[] = array('Memory', '[^m^]');
        $str .= $MakeTable->create($table, array('Benchmarks', ''));
        $str .= "<br />";

        $totalTime = ($this->getMicroTime() - $this->tstart);

        $mem = memory_get_peak_usage(true);
        $total_mem = $mem - $this->mstart;
        $total_mem = ($total_mem / 1024 / 1024) . ' mb';

        $queryTime = $this->queryTime;
        $phpTime = $totalTime - $queryTime;
        $queries = isset ($this->executedQueries) ? $this->executedQueries : 0;
        $queryTime = sprintf("%2.4f s", $queryTime);
        $totalTime = sprintf("%2.4f s", $totalTime);
        $phpTime = sprintf("%2.4f s", $phpTime);

        $str = str_replace('[^q^]', $queries, $str);
        $str = str_replace('[^qt^]', $queryTime, $str);
        $str = str_replace('[^p^]', $phpTime, $str);
        $str = str_replace('[^t^]', $totalTime, $str);
        $str = str_replace('[^m^]', $total_mem, $str);

        if (isset($php_errormsg) && !empty($php_errormsg)) {
            $str = "<b>{$php_errormsg}</b><br />\n{$str}";
        }
        $str .= $this->get_backtrace(debug_backtrace());
        // Log error
        if (!empty($this->currentSnippet)) {
            $source = 'Snippet - ' . $this->currentSnippet;
        } elseif (!empty($this->event->activePlugin)) {
            $source = 'Plugin - ' . $this->event->activePlugin;
        } elseif ($source !== '') {
            $source = 'Parser - ' . $source;
        } elseif ($query !== '') {
            $source = 'SQL Query';
        } else {
            $source = 'Parser';
        }
        if ($msg) {
            $source .= ' / ' . $msg;
        }
        if (isset($actionName) && !empty($actionName)) {
            $source .= $actionName;
        }
        switch ($nr) {
            case E_DEPRECATED :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
            case E_USER_DEPRECATED :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
            case E_STRICT :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
            case E_NOTICE :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
            case E_USER_NOTICE :
switch ($selector) {
    case "A": //right
        doSomething();
        break;
    case "B" : //wrong
        doSomethingElse();
        break;
}
                $error_level = 2;
                break;
            default:
                $error_level = 3;
        }
        $this->logEvent(0, $error_level, $str, $source);

        if ($error_level === 2 && $this->error_reporting !== '99') {

            return true;
        }
        if ($this->error_reporting === '99' && !isset($_SESSION['mgrValidated'])) {

            return true;
        }

        // Set 500 response header
        if ($error_level !== 2) {
            header('HTTP/1.1 500 Internal Server Error');
        }

        // Display error
        if (isset($_SESSION['mgrValidated'])) {
            echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html><head><title>EVO Content Manager ' . $version . ' &raquo; ' . $release_date . '</title>
                 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
                 <link rel="stylesheet" type="text/css" href="' . $this->config['site_manager_url'] . 'media/style/' . $this->config['manager_theme'] . '/style.css" />
                 <style type="text/css">body { padding:10px; } td {font:inherit;}</style>
                 </head><body>
                 ' . $str . '</body></html>';

        } else {
            echo 'Error';
        }
        ob_end_flush();
        exit;

    }

    /**
     * @param $backtrace
     * @return string
     */
    public function get_backtrace($backtrace)

    {
        $MakeTable = new Support\MakeTable();
        $MakeTable->setTableClass('grid');
        $MakeTable->setRowRegularClass('gridItem');
        $MakeTable->setRowAlternateClass('gridAltItem');
        $table = array();
        $backtrace = array_reverse($backtrace);
        foreach ($backtrace as $key => $val) {
            $key++;
            if (substr($val['function'], 0, 11) === 'messageQuit') {
                break;
            } elseif (substr($val['function'], 0, 8) === 'phpError') {
                break;
            }
            $path = str_replace('\\', '/', $val['file']);
            if (strpos($path, MODX_BASE_PATH) === 0) {
                $path = substr($path, strlen(MODX_BASE_PATH));
            }
            switch ($val['type']) {
                case '->':
                case '::':
                    $functionName = $val['function'] = $val['class'] . $val['type'] . $val['function'];
                    break;
                default:
                    $functionName = $val['function'];
            }
            $tmp = 1;
            $_ = (!empty($val['args'])) ? count($val['args']) : 0;
            $args = array_pad(array(), $_, '$var');
            $args = implode(", ", $args);
            $modx = &$this;
            $args = preg_replace_callback('/\$var/', function () use ($modx, &$tmp, $val) {
                $arg = $val['args'][$tmp - 1];
                switch (true) {
                    case is_null($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = 'NULL';
                        break;
                    }
                    case is_numeric($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = $arg;
                        break;
                    }
                    case is_scalar($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = strlen($arg) > 20 ? 'string $var' . $tmp : ("'" . $this->getPhpCompat()->htmlspecialchars(str_replace("'", "\\'", $arg)) . "'");
                        break;
                    }
                    case is_bool($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = $arg ? 'TRUE' : 'FALSE';
                        break;
                    }
                    case is_array($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = 'array $var' . $tmp;
                        break;
                    }
                    case is_object($arg): {
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
                        $out = get_class($arg) . ' $var' . $tmp;
                        break;
                    }
                    default: {
switch ($expr) {
    default: { //wrong
        doSomething();
        break;
    }
}

switch ($expr) {
    default: //right
        doSomething();
        break;
}
                        $out = '$var' . $tmp;
                    }
                }
                $tmp++;
                return $out;
            }, $args);
            $line = array(
                "<strong>" . $functionName . "</strong>(" . $args . ")",
                $path . " on line " . $val['line']
            );
            $table[] = array(implode("<br />", $line));
        }
        return $MakeTable->create($table, array('Backtrace'));
    }

    /**
     * @return string
     */
    public function getRegisteredClientScripts()
    {
        return implode("\n", $this->jscripts);
    }

    /**
     * @return string
     */
    public function getRegisteredClientStartupScripts()
    {
        return implode("\n", $this->sjscripts);
    }

    /**
     * Format alias to be URL-safe. Strip invalid characters.
     *
     * @param string $alias Alias to be formatted
     * @return string Safe alias
     */
    public function stripAlias($alias)
    {
        // let add-ons overwrite the default behavior
        $results = $this->invokeEvent('OnStripAlias', array('alias' => $alias));
        if (!empty($results)) {
            // if multiple plugins are registered, only the last one is used
            return end($results);
        } else {
            // default behavior: strip invalid characters and replace spaces with dashes.
            $alias = strip_tags($alias); // strip HTML
            $alias = preg_replace('/[^\.A-Za-z0-9 _-]/', '', $alias); // strip non-alphanumeric characters
            $alias = preg_replace('/\s+/', '-', $alias); // convert white-space to dash
            $alias = preg_replace('/-+/', '-', $alias);  // convert multiple dashes to one
            $alias = trim($alias, '-'); // trim excess
            return $alias;
        }
    }

    /**
     * @param $size
     * @return string
     */
    public function nicesize($size)
    {
        $sizes = array('Tb' => 1099511627776, 'Gb' => 1073741824, 'Mb' => 1048576, 'Kb' => 1024, 'b' => 1);
        $precisions = count($sizes) - 1;
        foreach ($sizes as $unit => $bytes) {
            if ($size >= $bytes) {
                return number_format($size / $bytes, $precisions) . ' ' . $unit;
            }
            $precisions--;
        }
        return '0 b';
    }

    /**
     * @param $parentid
     * @param $alias
     * @return bool
     */
    public function getHiddenIdFromAlias($parentid, $alias)
    {
        $table = $this->getDatabase()->getFullTableName('site_content');
        $query = $this->getDatabase()->query("SELECT sc.id, children.id AS child_id, children.alias, COUNT(children2.id) AS children_count
            FROM {$table} sc
            JOIN {$table} children ON children.parent = sc.id
            LEFT JOIN {$table} children2 ON children2.parent = children.id
            WHERE sc.parent = {$parentid} AND sc.alias_visible = '0' GROUP BY children.id;");

        while ($child = $this->getDatabase()->getRow($query)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if ($child['alias'] == $alias || $child['child_id'] == $alias) {
                return $child['child_id'];
            }

            if ($child['children_count'] > 0) {
                $id = $this->getHiddenIdFromAlias($child['id'], $alias);
                if ($id) {
                    return $id;
                }
            }
        }

        return false;
    }

    /**
     * @param $alias
     * @return bool|int
     */
    public function getIdFromAlias($alias)
    {
        if (isset($this->documentListing[$alias])) {
            return $this->documentListing[$alias];
        }

        $tbl_site_content = $this->getDatabase()->getFullTableName('site_content');
        if ($this->config['use_alias_path'] == 1) {
            if ($alias == '.') {
                return 0;
            }

            if (strpos($alias, '/') !== false) {
                $_a = explode('/', $alias);

            } else {
                $_a[] = $alias;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
            }
            $id = 0;

            foreach ($_a as $alias) {
                if ($id === false) {
                    break;
                }
                $alias = $this->getDatabase()->escape($alias);
                $rs = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and parent='{$id}' and alias='{$alias}'");
                if ($this->getDatabase()->getRecordCount($rs) == 0) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    $rs = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and parent='{$id}' and id='{$alias}'");
                }
                $next = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                $id = !$next ? $this->getHiddenIdFromAlias($id, $alias) : $next;
            }
        } else {
            $rs = $this->getDatabase()->select('id', $tbl_site_content, "deleted=0 and alias='{$alias}'", 'parent, menuindex');
            $id = $this->getDatabase()->getValue($rs);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if (!$id) {
                $id = false;
            }
        }
        return $id;
    }

    /**
     * @param string $str
     * @return bool|mixed|string
     */
    public function atBindInclude($str = '')
    {
        if (strpos($str, '@INCLUDE') !== 0) {
            return $str;
        }
        if (strpos($str, "\n") !== false) {
            $str = substr($str, 0, strpos("\n", $str));
        }

        $str = substr($str, 9);
        $str = trim($str);
        $str = str_replace('\\', '/', $str);
        $str = ltrim($str, '/');

        $tpl_dir = 'assets/templates/';

        if (strpos($str, MODX_MANAGER_PATH) === 0) {
            return false;
        } elseif (is_file(MODX_BASE_PATH . $str)) {
            $file_path = MODX_BASE_PATH . $str;
        } elseif (is_file(MODX_BASE_PATH . "{$tpl_dir}{$str}")) {
            $file_path = MODX_BASE_PATH . $tpl_dir . $str;
        } else {
            return false;
        }

        if (!$file_path || !is_file($file_path)) {
            return false;
        }

        ob_start();
        $modx = &$this;
        $result = include($file_path);
        if ($result === 1) {
            $result = '';
        }
        $content = ob_get_clean();
        if (!$content && $result) {
            $content = $result;
        }
        return $content;
    }

    // php compat

    /**
     * @param $str
     * @param int $flags
     * @param string $encode
     * @return mixed

     */
    public function htmlspecialchars($str, $flags = ENT_COMPAT, $encode = '')
    {
        return $this->getPhpCompat()->htmlspecialchars($str, $flags, $encode);
    }

    /**
     * @param $string
     * @param bool $returnData
     * @return bool|mixed
     */
    public function isJson($string, $returnData = false)
    {
        $data = json_decode($string, true);
        return (json_last_error() == JSON_ERROR_NONE) ? ($returnData ? $data : true) : false;
    }

    /**
     * @param $key
     * @return array
     */
    public function splitKeyAndFilter($key)
    {
        if ($this->config['enable_filter'] == 1 && strpos($key, ':') !== false && stripos($key, '@FILE') !== 0) {
            list($key, $modifiers) = explode(':', $key, 2);
        } else {
            $modifiers = false;
        }

        $key = trim($key);
        if ($modifiers !== false) {
            $modifiers = trim($modifiers);
        }

        return array($key, $modifiers);
    }

    /**
     * @param string $value
     * @param bool $modifiers
     * @param string $key
     * @return string
     */
    public function applyFilter($value = '', $modifiers = false, $key = '')
    {
        if ($modifiers === false || $modifiers == 'raw') {
            return $value;
        }
        if ($modifiers !== false) {
            $modifiers = trim($modifiers);
        }

        return $this->getModifiers()->phxFilter($key, $value, $modifiers);
    }

    // End of class.


    /**
     * Get Clean Query String
     *
     * Fixes the issue where passing an array into the q get variable causes errors
     *
     */
    private static function _getCleanQueryString()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $q = MODX_CLI ? null : $_GET['q'];


        //Return null if the query doesn't exist
        if (empty($q)) {
            return null;
        }

        //If we have a string, return it
        if (is_string($q)) {
            return $q;
        }

        //If we have an array, return the first element
        if (is_array($q)) {
            return $q[0];
        }
    }

    /**
     * @param string $title
     * @param string $msg
     * @param int $type
     */
    public function addLog($title = 'no title', $msg = '', $type = 1)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($title === '') {
            $title = 'no title';
        }
        if (is_array($msg)) {
            $msg = '<pre>' . print_r($msg, true) . '</pre>';
        } elseif ($msg === '') {
            $msg = $_SERVER['REQUEST_URI'];
        }
        $this->logEvent(0, $type, $msg, $title);
    }

}

evolution-cms / evolution

Push — develop ( 6a553b...48041c )

Core::__get() A

Complexity

Size

Duplication

Importance

1. Pass all data via parameters

2. Create a class that maintains your state

1. Pass all data via parameters

2. Create a class that maintains your state

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

1. Pass all data via parameters

2. Create a class that maintains your state

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Logical Operators are used for Control-Flow

1. Pass all data via parameters

2. Create a class that maintains your state

Logical Operators are used for Control-Flow

Available Fixes

Available Fixes

Available Fixes

1. Pass all data via parameters

2. Create a class that maintains your state

Available Fixes

Available Fixes

Available Fixes

Duplication Side-by-Side

Filter issues like
