<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
* Copyright (c) 2019-2020 CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author CodeIgniter Dev Team
* @copyright 2019-2020 CodeIgniter Foundation
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*/
namespace CodeIgniter;
use Closure;
use CodeIgniter\Debug\Timer;
use CodeIgniter\Events\Events;
use CodeIgniter\Exceptions\PageNotFoundException;
use CodeIgniter\HTTP\CLIRequest;
use CodeIgniter\HTTP\DownloadResponse;
use CodeIgniter\HTTP\RedirectResponse;
use CodeIgniter\HTTP\Request;
use CodeIgniter\HTTP\Response;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\HTTP\URI;
use CodeIgniter\Router\Exceptions\RedirectException;
use CodeIgniter\Router\RouteCollectionInterface;
use Config\Cache;
use Config\Services;
use Exception;
/**
* This class is the core of the framework, and will analyse the
* request, route it to a controller, and send back the response.
* Of course, there are variations to that flow, but this is the brains.
*/
class CodeIgniter
{
/**
* The current version of CodeIgniter Framework
*/
const CI_VERSION = '4.0.3';
/**
* App startup time.
*
* @var mixed
*/
protected $startTime;
/**
* Total app execution time
*
* @var float
*/
protected $totalTime;
/**
* Main application configuration
*
* @var \Config\App
*/
protected $config;
/**
* Timer instance.
*
* @var Timer
*/
protected $benchmark;
/**
* Current request.
*
* @var HTTP\Request|HTTP\IncomingRequest|CLIRequest
*/
protected $request;
/**
* Current response.
*
* @var HTTP\ResponseInterface
*/
protected $response;
/**
* Router to use.
*
* @var Router\Router
*/
protected $router;
/**
* Controller to use.
*
* @var string|\Closure
*/
protected $controller;
/**
* Controller method to invoke.
*
* @var string
*/
protected $method;
/**
* Output handler to use.
*
* @var string
*/
protected $output;
/**
* Cache expiration time
*
* @var integer
*/
protected static $cacheTTL = 0;
/**
* Request path to use.
*
* @var string
*/
protected $path;
/**
* Should the Response instance "pretend"
* to keep from setting headers/cookies/etc
*
* @var boolean
*/
protected $useSafeOutput = false;
//--------------------------------------------------------------------
/**
* Constructor.
*
* @param type $config
*/
public function __construct($config)
{
$this->startTime = microtime(true);
$this->config = $config;
}
//--------------------------------------------------------------------
/**
* Handles some basic app and environment setup.
*/
public function initialize()
{
// Set default timezone on the server
date_default_timezone_set($this->config->appTimezone ?? 'UTC');
// Setup Exception Handling
Services::exceptions()
->initialize();
$this->detectEnvironment();
$this->bootstrapEnvironment();
$this->initializeKint();
if (! CI_DEBUG)
{
// @codeCoverageIgnoreStart
\Kint::$enabled_mode = false;
// @codeCoverageIgnoreEnd
}
}
//--------------------------------------------------------------------
/**
* Initializes Kint
*/
protected function initializeKint()
{
// If we have KINT_DIR it means it's already loaded via composer
if (! defined('KINT_DIR'))
{
spl_autoload_register(function ($class) {
$class = explode('\\', $class);
if ('Kint' !== array_shift($class))
{
return;
}
$file = SYSTEMPATH . 'ThirdParty/Kint/' . implode('/', $class) . '.php';
file_exists($file) && require_once $file;
});
require_once SYSTEMPATH . 'ThirdParty/Kint/init.php';
}
/**
* Config\Kint
*/
$config = config('Config\Kint');
\Kint::$max_depth = $config->maxDepth;
\Kint::$display_called_from = $config->displayCalledFrom;
\Kint::$expanded = $config->expanded;
if (! empty($config->plugins) && is_array($config->plugins))
{
\Kint::$plugins = $config->plugins;
}
\Kint\Renderer\RichRenderer::$theme = $config->richTheme;
\Kint\Renderer\RichRenderer::$folder = $config->richFolder;
\Kint\Renderer\RichRenderer::$sort = $config->richSort;
if (! empty($config->richObjectPlugins) && is_array($config->richObjectPlugins))
{
\Kint\Renderer\RichRenderer::$object_plugins = $config->richObjectPlugins;
}
if (! empty($config->richTabPlugins) && is_array($config->richTabPlugins))
{
\Kint\Renderer\RichRenderer::$tab_plugins = $config->richTabPlugins;
}
\Kint\Renderer\CliRenderer::$cli_colors = $config->cliColors;
\Kint\Renderer\CliRenderer::$force_utf8 = $config->cliForceUTF8;
\Kint\Renderer\CliRenderer::$detect_width = $config->cliDetectWidth;
\Kint\Renderer\CliRenderer::$min_terminal_width = $config->cliMinWidth;
}
//--------------------------------------------------------------------
/**
* Launch the application!
*
* This is "the loop" if you will. The main entry point into the script
* that gets the required class instances, fires off the filters,
* tries to route the response, loads the controller and generally
* makes all of the pieces work together.
*
* @param \CodeIgniter\Router\RouteCollectionInterface $routes
* @param boolean $returnResponse
*
* @return boolean|\CodeIgniter\HTTP\RequestInterface|\CodeIgniter\HTTP\Response|\CodeIgniter\HTTP\ResponseInterface|mixed
* @throws \CodeIgniter\Router\Exceptions\RedirectException
* @throws \Exception
*/
public function run(RouteCollectionInterface $routes = null, bool $returnResponse = false)
{
$this->startBenchmark();
$this->getRequestObject();
$this->getResponseObject();
$this->forceSecureAccess();
$this->spoofRequestMethod();
Events::trigger('pre_system');
// Check for a cached page. Execution will stop
// if the page has been cached.
$cacheConfig = new Cache();
$response = $this->displayCache($cacheConfig);
if ($response instanceof ResponseInterface)
{
if ($returnResponse)
{
return $response;
}
$this->response->pretend($this->useSafeOutput)->send();
$this->callExit(EXIT_SUCCESS);
}
try
{
return $this->handleRequest($routes, $cacheConfig, $returnResponse);
}
catch (RedirectException $e)
{
$logger = Services::logger();
$logger->info('REDIRECTED ROUTE at ' . $e->getMessage());
// If the route is a 'redirect' route, it throws
// the exception with the $to as the message
$this->response->redirect(base_url($e->getMessage()), 'auto', $e->getCode());
$this->sendResponse();
$this->callExit(EXIT_SUCCESS);
}
catch (PageNotFoundException $e)
{
$this->display404errors($e);
}
}
//--------------------------------------------------------------------
/**
* Set our Response instance to "pretend" mode so that things like
* cookies and headers are not actually sent, allowing PHP 7.2+ to
* not complain when ini_set() function is used.
*
* @param boolean $safe
*
* @return $this
*/
public function useSafeOutput(bool $safe = true)
{
$this->useSafeOutput = $safe;
return $this;
}
//--------------------------------------------------------------------
/**
* Handles the main request logic and fires the controller.
*
* @param \CodeIgniter\Router\RouteCollectionInterface $routes
* @param $cacheConfig
* @param boolean $returnResponse
*
* @return \CodeIgniter\HTTP\RequestInterface|\CodeIgniter\HTTP\Response|\CodeIgniter\HTTP\ResponseInterface|mixed
* @throws \CodeIgniter\Router\Exceptions\RedirectException
*/
protected function handleRequest(RouteCollectionInterface $routes = null, $cacheConfig, bool $returnResponse = false)
{
$routeFilter = $this->tryToRouteIt($routes);
// Run "before" filters
$filters = Services::filters();
// If any filters were specified within the routes file,
// we need to ensure it's active for the current request
if (! is_null($routeFilter))
{
$filters->enableFilter($routeFilter, 'before');
$filters->enableFilter($routeFilter, 'after');
}
$uri = $this->request instanceof CLIRequest ? $this->request->getPath() : $this->request->uri->getPath();
// Never run filters when running through Spark cli
if (! defined('SPARKED'))
{
$possibleRedirect = $filters->run($uri, 'before');
if ($possibleRedirect instanceof RedirectResponse)
{
return $possibleRedirect->send();
}
// If a Response instance is returned, the Response will be sent back to the client and script execution will stop
if ($possibleRedirect instanceof ResponseInterface)
{
return $possibleRedirect->send();
}
}
$returned = $this->startController();
// Closure controller has run in startController().
if (! is_callable($this->controller))
{
$controller = $this->createController();
// Is there a "post_controller_constructor" event?
Events::trigger('post_controller_constructor');
$returned = $this->runController($controller);
}
else
{
$this->benchmark->stop('controller_constructor');
$this->benchmark->stop('controller');
}
// If $returned is a string, then the controller output something,
// probably a view, instead of echoing it directly. Send it along
// so it can be used with the output.
$this->gatherOutput($cacheConfig, $returned);
// Never run filters when running through Spark cli
if (! defined('SPARKED'))
{
$filters->setResponse($this->response);
// Run "after" filters
$response = $filters->run($uri, 'after');
}
else
{
$response = $this->response;
// Set response code for CLI command failures
if (is_numeric($returned) || $returned === false)
{
$response->setStatusCode(400);
}
}
if ($response instanceof Response)
{
$this->response = $response;
}
// Save our current URI as the previous URI in the session
// for safer, more accurate use with `previous_url()` helper function.
$this->storePreviousURL((string)current_url(true));
unset($uri);
if (! $returnResponse)
{
$this->sendResponse();
}
//--------------------------------------------------------------------
// Is there a post-system event?
//--------------------------------------------------------------------
Events::trigger('post_system');
return $this->response;
}
//--------------------------------------------------------------------
/**
* You can load different configurations depending on your
* current environment. Setting the environment also influences
* things like logging and error reporting.
*
* This can be set to anything, but default usage is:
*
* development
* testing
* production
*/
protected function detectEnvironment()
{
// Make sure ENVIRONMENT isn't already set by other means.
if (! defined('ENVIRONMENT'))
{
// running under Continuous Integration server?
if (getenv('CI') !== false)
{
define('ENVIRONMENT', 'testing');
}
else
{
define('ENVIRONMENT', $_SERVER['CI_ENVIRONMENT'] ?? 'production');
}
}
}
//--------------------------------------------------------------------
/**
* Load any custom boot files based upon the current environment.
*
* If no boot file exists, we shouldn't continue because something
* is wrong. At the very least, they should have error reporting setup.
*/
protected function bootstrapEnvironment()
{
if (is_file(APPPATH . 'Config/Boot/' . ENVIRONMENT . '.php'))
{
require_once APPPATH . 'Config/Boot/' . ENVIRONMENT . '.php';
}
else
{
// @codeCoverageIgnoreStart
header('HTTP/1.1 503 Service Unavailable.', true, 503);
echo 'The application environment is not set correctly.';
exit(1); // EXIT_ERROR
// @codeCoverageIgnoreEnd
}
}
//--------------------------------------------------------------------
/**
* Start the Benchmark
*
* The timer is used to display total script execution both in the
* debug toolbar, and potentially on the displayed page.
*/
protected function startBenchmark()
{
$this->startTime = microtime(true);
$this->benchmark = Services::timer();
$this->benchmark->start('total_execution', $this->startTime);
$this->benchmark->start('bootstrap');
}
//--------------------------------------------------------------------
/**
* Sets a Request object to be used for this request.
* Used when running certain tests.
*
* @param \CodeIgniter\HTTP\Request $request
*
* @return \CodeIgniter\CodeIgniter
*/
public function setRequest(Request $request)
{
$this->request = $request;
return $this;
}
//--------------------------------------------------------------------
/**
* Get our Request object, (either IncomingRequest or CLIRequest)
* and set the server protocol based on the information provided
* by the server.
*/
protected function getRequestObject()
{
if ($this->request instanceof Request)
{
return;
}
if (is_cli() && ENVIRONMENT !== 'testing')
{
// @codeCoverageIgnoreStart
$this->request = Services::clirequest($this->config);
// @codeCoverageIgnoreEnd
}
else
{
$this->request = Services::request($this->config);
// guess at protocol if needed
$this->request->setProtocolVersion($_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.1');
}
}
//--------------------------------------------------------------------
/**
* Get our Response object, and set some default values, including
* the HTTP protocol version and a default successful response.
*/
protected function getResponseObject()
{
$this->response = Services::response($this->config);
if (! is_cli() || ENVIRONMENT === 'testing')
{
$this->response->setProtocolVersion($this->request->getProtocolVersion());
}
// Assume success until proven otherwise.
$this->response->setStatusCode(200);
}
//--------------------------------------------------------------------
/**
* Force Secure Site Access? If the config value 'forceGlobalSecureRequests'
* is true, will enforce that all requests to this site are made through
* HTTPS. Will redirect the user to the current page with HTTPS, as well
* as set the HTTP Strict Transport Security header for those browsers
* that support it.
*
* @param integer $duration How long the Strict Transport Security
* should be enforced for this URL.
*/
protected function forceSecureAccess($duration = 31536000)
{
if ($this->config->forceGlobalSecureRequests !== true)
{
return;
}
force_https($duration, $this->request, $this->response);
}
//--------------------------------------------------------------------
/**
* Determines if a response has been cached for the given URI.
*
* @param \Config\Cache $config
*
* @throws \Exception
*
* @return boolean|\CodeIgniter\HTTP\ResponseInterface
*/
public function displayCache($config)
{
if ($cachedResponse = cache()->get($this->generateCacheName($config)))
{
$cachedResponse = unserialize($cachedResponse);
if (! is_array($cachedResponse) || ! isset($cachedResponse['output']) || ! isset($cachedResponse['headers']))
{
throw new Exception('Error unserializing page cache');
}
$headers = $cachedResponse['headers'];
$output = $cachedResponse['output'];
// Clear all default headers
foreach ($this->response->getHeaders() as $key => $val)
{
$this->response->removeHeader($key);
}
// Set cached headers
foreach ($headers as $name => $value)
{
$this->response->setHeader($name, $value);
}
$output = $this->displayPerformanceMetrics($output);
$this->response->setBody($output);
return $this->response;
}
return false;
}
//--------------------------------------------------------------------
/**
* Tells the app that the final output should be cached.
*
* @param integer $time
*
* @return void
*/
public static function cache(int $time)
{
static::$cacheTTL = $time;
}
//--------------------------------------------------------------------
/**
* Caches the full response from the current request. Used for
* full-page caching for very high performance.
*
* @param \Config\Cache $config
*
* @return mixed
*/
public function cachePage(Cache $config)
{
$headers = [];
foreach ($this->response->getHeaders() as $header)
{
$headers[$header->getName()] = $header->getValueLine();
}
return cache()->save(
$this->generateCacheName($config), serialize(['headers' => $headers, 'output' => $this->output]), static::$cacheTTL
);
}
//--------------------------------------------------------------------
/**
* Returns an array with our basic performance stats collected.
*
* @return array
*/
public function getPerformanceStats(): array
{
return [
'startTime' => $this->startTime,
'totalTime' => $this->totalTime,
];
}
//--------------------------------------------------------------------
/**
* Generates the cache name to use for our full-page caching.
*
* @param $config
*
* @return string
*/
protected function generateCacheName($config): string
{
if (get_class($this->request) === CLIRequest::class)
{
return md5($this->request->getPath());
}
$uri = $this->request->uri;
if ($config->cacheQueryString)
{
$name = URI::createURIString(
$uri->getScheme(), $uri->getAuthority(), $uri->getPath(), $uri->getQuery()
);
}
else
{
$name = URI::createURIString(
$uri->getScheme(), $uri->getAuthority(), $uri->getPath()
);
}
return md5($name);
}
//--------------------------------------------------------------------
/**
* Replaces the memory_usage and elapsed_time tags.
*
* @param string $output
*
* @return string
*/
public function displayPerformanceMetrics(string $output): string
{
$this->totalTime = $this->benchmark->getElapsedTime('total_execution');
return str_replace('{elapsed_time}', $this->totalTime, $output);
}
//--------------------------------------------------------------------
/**
* Try to Route It - As it sounds like, works with the router to
* match a route against the current URI. If the route is a
* "redirect route", will also handle the redirect.
*
* @param RouteCollectionInterface $routes An collection interface to use in place
* of the config file.
*
* @return string
* @throws \CodeIgniter\Router\Exceptions\RedirectException
*/
protected function tryToRouteIt(RouteCollectionInterface $routes = null)
{
if (empty($routes) || ! $routes instanceof RouteCollectionInterface)
{
require APPPATH . 'Config/Routes.php';
}
// $routes is defined in Config/Routes.php
$this->router = Services::router($routes, $this->request);
$path = $this->determinePath();
$this->benchmark->stop('bootstrap');
$this->benchmark->start('routing');
ob_start();
$this->controller = $this->router->handle($path);
$this->method = $this->router->methodName();
// If a {locale} segment was matched in the final route,
// then we need to set the correct locale on our Request.
if ($this->router->hasLocale())
{
$this->request->setLocale($this->router->getLocale());
}
$this->benchmark->stop('routing');
return $this->router->getFilter();
}
//--------------------------------------------------------------------
/**
* Determines the path to use for us to try to route to, based
* on user input (setPath), or the CLI/IncomingRequest path.
*/
protected function determinePath()
{
if (! empty($this->path))
{
return $this->path;
}
return (is_cli() && ! (ENVIRONMENT === 'testing')) ? $this->request->getPath() : $this->request->uri->getPath();
}
//--------------------------------------------------------------------
/**
* Allows the request path to be set from outside the class,
* instead of relying on CLIRequest or IncomingRequest for the path.
*
* This is primarily used by the Console.
*
* @param string $path
*
* @return $this
*/
public function setPath(string $path)
{
$this->path = $path;
return $this;
}
//--------------------------------------------------------------------
/**
* Now that everything has been setup, this method attempts to run the
* controller method and make the script go. If it's not able to, will
* show the appropriate Page Not Found error.
*/
protected function startController()
{
$this->benchmark->start('controller');
$this->benchmark->start('controller_constructor');
// Is it routed to a Closure?
if (is_object($this->controller) && (get_class($this->controller) === 'Closure'))
{
$controller = $this->controller;
return $controller(...$this->router->params());
}
// No controller specified - we don't know what to do now.
if (empty($this->controller))
{
throw PageNotFoundException::forEmptyController();
}
// Try to autoload the class
if (! class_exists($this->controller, true) || $this->method[0] === '_')
{
throw PageNotFoundException::forControllerNotFound($this->controller, $this->method);
}
else if (! method_exists($this->controller, '_remap') &&
! is_callable([$this->controller, $this->method], false)
)
{
throw PageNotFoundException::forMethodNotFound($this->method);
}
}
//--------------------------------------------------------------------
/**
* Instantiates the controller class.
*
* @return mixed
*/
protected function createController()
{
$class = new $this->controller();
$class->initController($this->request, $this->response, Services::logger());
$this->benchmark->stop('controller_constructor');
return $class;
}
//--------------------------------------------------------------------
/**
* Runs the controller, allowing for _remap methods to function.
*
* @param mixed $class
*
* @return mixed
*/
protected function runController($class)
{
// If this is a console request then use the input segments as parameters
$params = defined('SPARKED') ? $this->request->getSegments() : $this->router->params();
if (method_exists($class, '_remap'))
{
$output = $class->_remap($this->method, ...$params);
}
else
{
$output = $class->{$this->method}(...$params);
}
$this->benchmark->stop('controller');
return $output;
}
//--------------------------------------------------------------------
/**
* Displays a 404 Page Not Found error. If set, will try to
* call the 404Override controller/method that was set in routing config.
*
* @param PageNotFoundException $e
*/
protected function display404errors(PageNotFoundException $e)
{
// Is there a 404 Override available?
if ($override = $this->router->get404Override())
{
if ($override instanceof Closure)
{
echo $override($e->getMessage());
}
else if (is_array($override))
{
$this->benchmark->start('controller');
$this->benchmark->start('controller_constructor');
$this->controller = $override[0];
$this->method = $override[1];
unset($override);
$controller = $this->createController();
$this->runController($controller);
}
$cacheConfig = new Cache();
$this->gatherOutput($cacheConfig);
$this->sendResponse();
return;
}
// Display 404 Errors
$this->response->setStatusCode($e->getCode());
if (ENVIRONMENT !== 'testing')
{
// @codeCoverageIgnoreStart
if (ob_get_level() > 0)
{
ob_end_flush();
}
// @codeCoverageIgnoreEnd
}
else
{
// When testing, one is for phpunit, another is for test case.
if (ob_get_level() > 2)
{
ob_end_flush();
}
}
throw PageNotFoundException::forPageNotFound(ENVIRONMENT !== 'production' || is_cli() ? $e->getMessage() : '');
}
//--------------------------------------------------------------------
/**
* Gathers the script output from the buffer, replaces some execution
* time tag in the output and displays the debug toolbar, if required.
*
* @param null $cacheConfig
* @param null $returned
*/
protected function gatherOutput($cacheConfig = null, $returned = null)
{
$this->output = ob_get_contents();
// If buffering is not null.
// Clean (erase) the output buffer and turn off output buffering
if (ob_get_length())
{
ob_end_clean();
}
if ($returned instanceof DownloadResponse)
{
$this->response = $returned;
return;
}
// If the controller returned a response object,
// we need to grab the body from it so it can
// be added to anything else that might have been
// echoed already.
// We also need to save the instance locally
// so that any status code changes, etc, take place.
if ($returned instanceof Response)
{
$this->response = $returned;
$returned = $returned->getBody();
}
if (is_string($returned))
{
$this->output .= $returned;
}
// Cache it without the performance metrics replaced
// so that we can have live speed updates along the way.
if (static::$cacheTTL > 0)
{
$this->cachePage($cacheConfig);
}
$this->output = $this->displayPerformanceMetrics($this->output);
$this->response->setBody($this->output);
}
//--------------------------------------------------------------------
/**
* If we have a session object to use, store the current URI
* as the previous URI. This is called just prior to sending the
* response to the client, and will make it available next request.
*
* This helps provider safer, more reliable previous_url() detection.
*
* @param \CodeIgniter\HTTP\URI $uri
*/
public function storePreviousURL($uri)
{
// Ignore CLI requests
if (is_cli())
{
return;
}
// Ignore AJAX requests
if (method_exists($this->request, 'isAJAX') && $this->request->isAJAX())
{
return;
}
// This is mainly needed during testing...
if (is_string($uri))
{
$uri = new URI($uri);
}
if (isset($_SESSION))
{
$_SESSION['_ci_previous_url'] = (string) $uri;
}
}
//--------------------------------------------------------------------
/**
* Modifies the Request Object to use a different method if a POST
* variable called _method is found.
*/
public function spoofRequestMethod()
{
// Only works with POSTED forms
if ($this->request->getMethod() !== 'post')
{
return;
}
$method = $this->request->getPost('_method');
if (empty($method))
{
return;
}
$this->request = $this->request->setMethod($method);
}
/**
* Sends the output of this request back to the client.
* This is what they've been waiting for!
*/
protected function sendResponse()
{
$this->response->pretend($this->useSafeOutput)->send();
}
//--------------------------------------------------------------------
/**
* Exits the application, setting the exit code for CLI-based applications
* that might be watching.
*
* Made into a separate method so that it can be mocked during testing
* without actually stopping script execution.
*
* @param $code
*/
protected function callExit($code)
{
// @codeCoverageIgnoreStart
exit($code);
// @codeCoverageIgnoreEnd
}
//--------------------------------------------------------------------
}
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