Warning (2): explode(): Empty delimiter [APP/Config/routes.php, line 39]

echo "Test".$_SERVER['PHP_SELF'];
pr($app);
    $url = explode($app[0], $_SERVER['REQUEST_URI']);

$app = array(
	(int) 0 => ''
)

explode - [internal], line ??
include - APP/Config/routes.php, line 39
Router::_loadRoutes() - CORE/Cake/Routing/Router.php, line 1284
Router::parse() - CORE/Cake/Routing/Router.php, line 596
Dispatcher::parseParams() - CORE/Cake/Routing/Dispatcher.php, line 219
CakeEventManager::dispatch() - CORE/Cake/Event/CakeEventManager.php, line 243
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 147
[main] - APP/webroot/index.php, line 122

Notice (8): Trying to access array offset on value of type bool [APP/Config/routes.php, line 41]

Code Context

    $url = explode($app[0], $_SERVER['REQUEST_URI']); 
     $url = isset($url[1])?explode('/', $url[1]):$url;
    $list = isset($url[1]) ? $url[1] : $url[0];

$app = array(
	(int) 0 => ''
)
$url = false

include - APP/Config/routes.php, line 41
Router::_loadRoutes() - CORE/Cake/Routing/Router.php, line 1284
Router::parse() - CORE/Cake/Routing/Router.php, line 596
Dispatcher::parseParams() - CORE/Cake/Routing/Dispatcher.php, line 219
CakeEventManager::dispatch() - CORE/Cake/Event/CakeEventManager.php, line 243
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 147
[main] - APP/webroot/index.php, line 122

Warning (2): session_start() [<a href='http://php.net/function.session-start'>function.session-start</a>]: Cannot start session when headers already sent [APP/Controller/AppController.php, line 1]

Code Context

<?php session_start();

$className = 'AppController'
$parts = array(
	(int) 0 => 'Controller'
)
$plugin = null
$package = 'Controller'
$file = '/var/www/marketraja.com/app/Controller/AppController.php'
$paths = array(
	(int) 0 => '/var/www/marketraja.com/app/Controller/',
	(int) 1 => '/var/www/marketraja.com/app/Lib/Controller/',
	(int) 2 => '/var/www/marketraja.com/app/Controller/',
	(int) 3 => '/var/www/marketraja.com/lib/Cake/Controller/'
)
$appLibs = '/var/www/marketraja.com/app/Lib/'
$normalizedClassName = 'AppController'
$path = '/var/www/marketraja.com/app/Controller/'

session_start - [internal], line ??
include - APP/Controller/AppController.php, line 1
App::load() - CORE/Cake/Core/App.php, line 567
spl_autoload_call - [internal], line ??
include - APP/Controller/ServicesController.php, line 8
App::load() - CORE/Cake/Core/App.php, line 567
spl_autoload_call - [internal], line ??
class_exists - [internal], line ??
Dispatcher::_loadController() - CORE/Cake/Routing/Dispatcher.php, line 266
Dispatcher::_getController() - CORE/Cake/Routing/Dispatcher.php, line 235
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 158
[main] - APP/webroot/index.php, line 122