Router::getRoutesWithTag() - Code Metrics - Inspection of "Route Tags" - slimphp/Slim - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — 3.x (#1894)

unknown

created 2016-05-25 18:11 UTC

Router::getRoutesWithTag() A

↳ Parent: Project

Complexity

Conditions	2
Paths	2

Size

Total Lines	13
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	13
rs	9.4285
cc	2
eloc	6
nc	2
nop	1

<?php
/**
 * Slim Framework (http://slimframework.com)
 *
 * @link      https://github.com/slimphp/Slim
 * @copyright Copyright (c) 2011-2016 Josh Lockhart
 * @license   https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License)
 */
namespace Slim;

use FastRoute\Dispatcher;
use InvalidArgumentException;
use RuntimeException;
use Psr\Http\Message\ServerRequestInterface;
use FastRoute\RouteCollector;
use FastRoute\RouteParser;
use FastRoute\RouteParser\Std as StdParser;
use FastRoute\DataGenerator;
use Slim\Interfaces\RouteGroupInterface;
use Slim\Interfaces\RouterInterface;
use Slim\Interfaces\RouteInterface;

/**
 * Router
 *
 * This class organizes Slim application route objects. It is responsible
 * for registering route objects, assigning names to route objects,
 * finding routes that match the current HTTP request, and creating
 * URLs for a named route.
 */
class Router implements RouterInterface
{
    /**
     * Parser
     *
     * @var \FastRoute\RouteParser
     */
    protected $routeParser;

    /**
     * Base path used in pathFor()
     *
     * @var string
     */
    protected $basePath = '';

    /**
     * Path to fast route cache file. Set to false to disable route caching
     *
     * @var string|False
     */
    protected $cacheFile = false;

    /**
     * Routes
     *
     * @var Route[]
     */
    protected $routes = [];

    /**
     * Route counter incrementer
     * @var int
     */
    protected $routeCounter = 0;

    /**
     * Route groups
     *
     * @var RouteGroup[]
     */
    protected $routeGroups = [];

    /**
     * @var \FastRoute\Dispatcher
     */
    protected $dispatcher;

    /**
     * Create new router
     *
     * @param RouteParser   $parser
     */
    public function __construct(RouteParser $parser = null)
    {
        $this->routeParser = $parser ?: new StdParser;
    }

    /**
     * Set the base path used in pathFor()
     *
     * @param string $basePath
     *
     * @return self
     */
    public function setBasePath($basePath)
    {
        if (!is_string($basePath)) {
            throw new InvalidArgumentException('Router basePath must be a string');
        }

        $this->basePath = $basePath;

        return $this;
    }

    /**
     * Set path to fast route cache file. If this is false then route caching is disabled.
     *
     * @param string|false $cacheFile
     *
     * @return self
     */
    public function setCacheFile($cacheFile)
    {
        if (!is_string($cacheFile) && $cacheFile !== false) {
            throw new InvalidArgumentException('Router cacheFile must be a string or false');
        }

        $this->cacheFile = $cacheFile;

        if ($cacheFile !== false && !is_writable(dirname($cacheFile))) {
            throw new RuntimeException('Router cacheFile directory must be writable');
        }


        return $this;
    }

    /**
     * Add route
     *
     * @param  string[] $methods Array of HTTP methods
     * @param  string   $pattern The route pattern
     * @param  callable $handler The route callable
     *
     * @return RouteInterface
     *
     * @throws InvalidArgumentException if the route pattern isn't a string
     */
    public function map($methods, $pattern, $handler)
    {
        if (!is_string($pattern)) {
            throw new InvalidArgumentException('Route pattern must be a string');
        }

        // Prepend parent group pattern(s)
        if ($this->routeGroups) {

            $pattern = $this->processGroups() . $pattern;
        }

        // According to RFC methods are defined in uppercase (See RFC 7231)
        $methods = array_map("strtoupper", $methods);

        // Add route
        $route = new Route($methods, $pattern, $handler, $this->routeGroups, $this->routeCounter);
        $this->routes[$route->getIdentifier()] = $route;
        $this->routeCounter++;

        return $route;
    }

    /**
     * Dispatch router for HTTP request
     *
     * @param  ServerRequestInterface $request The current HTTP request object
     *
     * @return array
     *
     * @link   https://github.com/nikic/FastRoute/blob/master/src/Dispatcher.php
     */
    public function dispatch(ServerRequestInterface $request)
    {
        $uri = '/' . ltrim($request->getUri()->getPath(), '/');

        return $this->createDispatcher()->dispatch(
            $request->getMethod(),
            $uri
        );
    }

    /**
     * @return \FastRoute\Dispatcher
     */
    protected function createDispatcher()
    {
        if ($this->dispatcher) {
            return $this->dispatcher;
        }

        $routeDefinitionCallback = function (RouteCollector $r) {
            foreach ($this->getRoutes() as $route) {
                $r->addRoute($route->getMethods(), $route->getPattern(), $route->getIdentifier());
            }
        };

        if ($this->cacheFile) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
            $this->dispatcher = \FastRoute\cachedDispatcher($routeDefinitionCallback, [
                'routeParser' => $this->routeParser,
                'cacheFile' => $this->cacheFile,
            ]);
        } else {
            $this->dispatcher = \FastRoute\simpleDispatcher($routeDefinitionCallback, [
                'routeParser' => $this->routeParser,
            ]);
        }

        return $this->dispatcher;
    }

    /**
     * @param \FastRoute\Dispatcher $dispatcher
     */
    public function setDispatcher(Dispatcher $dispatcher)
    {
        $this->dispatcher = $dispatcher;
    }

    /**
     * Get route objects
     *
     * @return Route[]
     */
    public function getRoutes()
    {
        return $this->routes;
    }

    /**
     * Get route objects with tag
     *
     * @param $tag
     * @return Route[]
     */
    public function getRoutesWithTag($tag)
    {
        if (!is_string($tag)) {
            throw new \InvalidArgumentException("Tag must be a string");
        }

        $routes = array_filter($this->routes, function($route) use ($tag) {
           return $route->hasTag($tag);
        });


        return array_values($routes);
    }

    /**
     * Get named route object
     *
     * @param string $name        Route name
     *
     * @return Route
     *
     * @throws RuntimeException   If named route does not exist
     */
    public function getNamedRoute($name)
    {
        foreach ($this->routes as $route) {
            if ($name == $route->getName()) {
                return $route;
            }
        }
        throw new RuntimeException('Named route does not exist for name: ' . $name);
    }
    
    /**
     * Remove named route
     *
     * @param string $name        Route name
     *
     * @throws RuntimeException   If named route does not exist
     */
    public function removeNamedRoute($name)
    {
        $route = $this->getNamedRoute($name);

        // no exception, route exists, now remove by id
        unset($this->routes[$route->getIdentifier()]);
    }

    /**
     * Process route groups
     *
     * @return string A group pattern to prefix routes with
     */
    protected function processGroups()
    {
        $pattern = "";
        foreach ($this->routeGroups as $group) {
            $pattern .= $group->getPattern();
        }
        return $pattern;
    }

    /**
     * Add a route group to the array
     *
     * @param string   $pattern
     * @param callable $callable
     *
     * @return RouteGroupInterface
     */
    public function pushGroup($pattern, $callable)
    {
        $group = new RouteGroup($pattern, $callable);
        array_push($this->routeGroups, $group);
        return $group;
    }

    /**
     * Removes the last route group from the array
     *
     * @return RouteGroup|bool The RouteGroup if successful, else False
     */
    public function popGroup()
    {
        $group = array_pop($this->routeGroups);
        return $group instanceof RouteGroup ? $group : false;

    }

    /**
     * @param $identifier
     * @return \Slim\Interfaces\RouteInterface
     */
    public function lookupRoute($identifier)
    {
        if (!isset($this->routes[$identifier])) {
            throw new RuntimeException('Route not found, looks like your route cache is stale.');
        }
        return $this->routes[$identifier];
    }

    /**
     * Build the path for a named route excluding the base path
     *
     * @param string $name        Route name
     * @param array  $data        Named argument replacement data
     * @param array  $queryParams Optional query string parameters
     *
     * @return string
     *
     * @throws RuntimeException         If named route does not exist
     * @throws InvalidArgumentException If required data not provided
     */
    public function relativePathFor($name, array $data = [], array $queryParams = [])
    {
        $route = $this->getNamedRoute($name);
        $pattern = $route->getPattern();

        $routeDatas = $this->routeParser->parse($pattern);
        // $routeDatas is an array of all possible routes that can be made. There is
        // one routedata for each optional parameter plus one for no optional parameters.
        //
        // The most specific is last, so we look for that first.
        $routeDatas = array_reverse($routeDatas);

        $segments = [];
        foreach ($routeDatas as $routeData) {
            foreach ($routeData as $item) {
                if (is_string($item)) {
                    // this segment is a static string
                    $segments[] = $item;
                    continue;
                }

                // This segment has a parameter: first element is the name
                if (!array_key_exists($item[0], $data)) {
                    // we don't have a data element for this segment: cancel
                    // testing this routeData item, so that we can try a less
                    // specific routeData item.
                    $segments = [];
                    $segmentName = $item[0];
                    break;
                }
                $segments[] = $data[$item[0]];
            }
            if (!empty($segments)) {
                // we found all the parameters for this route data, no need to check
                // less specific ones
                break;
            }
        }

        if (empty($segments)) {
            throw new InvalidArgumentException('Missing data for URL segment: ' . $segmentName);
        }
        $url = implode('', $segments);

        if ($queryParams) {

            $url .= '?' . http_build_query($queryParams);
        }

        return $url;
    }


    /**
     * Build the path for a named route including the base path
     *
     * @param string $name        Route name
     * @param array  $data        Named argument replacement data
     * @param array  $queryParams Optional query string parameters
     *
     * @return string
     *
     * @throws RuntimeException         If named route does not exist
     * @throws InvalidArgumentException If required data not provided
     */
    public function pathFor($name, array $data = [], array $queryParams = [])
    {
        $url = $this->relativePathFor($name, $data, $queryParams);

        if ($this->basePath) {
            $url = $this->basePath . $url;
        }

        return $url;
    }

    /**
     * Build the path for a named route.
     *
     * This method is deprecated. Use pathFor() from now on.
     *
     * @param string $name        Route name
     * @param array  $data        Named argument replacement data
     * @param array  $queryParams Optional query string parameters
     *
     * @return string
     *
     * @throws RuntimeException         If named route does not exist
     * @throws InvalidArgumentException If required data not provided
     */
    public function urlFor($name, array $data = [], array $queryParams = [])
    {
        trigger_error('urlFor() is deprecated. Use pathFor() instead.', E_USER_DEPRECATED);
        return $this->pathFor($name, $data, $queryParams);
    }
}


1			<?php
2			/**
3			* Slim Framework (http://slimframework.com)
4			*
5			* @link https://github.com/slimphp/Slim
6			* @copyright Copyright (c) 2011-2016 Josh Lockhart
7			* @license https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License)
8			*/
9			namespace Slim;
10
11			use FastRoute\Dispatcher;
12			use InvalidArgumentException;
13			use RuntimeException;
14			use Psr\Http\Message\ServerRequestInterface;
15			use FastRoute\RouteCollector;
16			use FastRoute\RouteParser;
17			use FastRoute\RouteParser\Std as StdParser;
18			use FastRoute\DataGenerator;
19			use Slim\Interfaces\RouteGroupInterface;
20			use Slim\Interfaces\RouterInterface;
21			use Slim\Interfaces\RouteInterface;
22
23			/**
24			* Router
25			*
26			* This class organizes Slim application route objects. It is responsible
27			* for registering route objects, assigning names to route objects,
28			* finding routes that match the current HTTP request, and creating
29			* URLs for a named route.
30			*/
31			class Router implements RouterInterface
32			{
33			/**
34			* Parser
35			*
36			* @var \FastRoute\RouteParser
37			*/
38			protected $routeParser;
39
40			/**
41			* Base path used in pathFor()
42			*
43			* @var string
44			*/
45			protected $basePath = '';
46
47			/**
48			* Path to fast route cache file. Set to false to disable route caching
49			*
50			* @var string\|False
51			*/
52			protected $cacheFile = false;
53
54			/**
55			* Routes
56			*
57			* @var Route[]
58			*/
59			protected $routes = [];
60
61			/**
62			* Route counter incrementer
63			* @var int
64			*/
65			protected $routeCounter = 0;
66
67			/**
68			* Route groups
69			*
70			* @var RouteGroup[]
71			*/
72			protected $routeGroups = [];
73
74			/**
75			* @var \FastRoute\Dispatcher
76			*/
77			protected $dispatcher;
78
79			/**
80			* Create new router
81			*
82			* @param RouteParser $parser
83			*/
84			public function __construct(RouteParser $parser = null)
85			{
86			$this->routeParser = $parser ?: new StdParser;
87			}
88
89			/**
90			* Set the base path used in pathFor()
91			*
92			* @param string $basePath
93			*
94			* @return self
95			*/
96			public function setBasePath($basePath)
97			{
98			if (!is_string($basePath)) {
99			throw new InvalidArgumentException('Router basePath must be a string');
100			}
101
102			$this->basePath = $basePath;
103
104			return $this;
105			}
106
107			/**
108			* Set path to fast route cache file. If this is false then route caching is disabled.
109			*
110			* @param string\|false $cacheFile
111			*
112			* @return self
113			*/
114			public function setCacheFile($cacheFile)
115			{
116			if (!is_string($cacheFile) && $cacheFile !== false) {
117			throw new InvalidArgumentException('Router cacheFile must be a string or false');
118			}
119
120			$this->cacheFile = $cacheFile;
121
122			if ($cacheFile !== false && !is_writable(dirname($cacheFile))) {
123			throw new RuntimeException('Router cacheFile directory must be writable');
124			}
125
126
127			return $this;
128			}
129
130			/**
131			* Add route
132			*
133			* @param string[] $methods Array of HTTP methods
134			* @param string $pattern The route pattern
135			* @param callable $handler The route callable
136			*
137			* @return RouteInterface
138			*
139			* @throws InvalidArgumentException if the route pattern isn't a string
140			*/
141			public function map($methods, $pattern, $handler)
142			{
143			if (!is_string($pattern)) {
144			throw new InvalidArgumentException('Route pattern must be a string');
145			}
146
147			// Prepend parent group pattern(s)
148			if ($this->routeGroups) {
			0 ignored issues – show Bug Best Practice introduced 2016-05-19 07:13 UTC by Report Bug Copy Issue Report The expression `$this->routeGroups` of type `Slim\RouteGroup[]` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
149			$pattern = $this->processGroups() . $pattern;
150			}
151
152			// According to RFC methods are defined in uppercase (See RFC 7231)
153			$methods = array_map("strtoupper", $methods);
154
155			// Add route
156			$route = new Route($methods, $pattern, $handler, $this->routeGroups, $this->routeCounter);
157			$this->routes[$route->getIdentifier()] = $route;
158			$this->routeCounter++;
159
160			return $route;
161			}
162
163			/**
164			* Dispatch router for HTTP request
165			*
166			* @param ServerRequestInterface $request The current HTTP request object
167			*
168			* @return array
169			*
170			* @link https://github.com/nikic/FastRoute/blob/master/src/Dispatcher.php
171			*/
172			public function dispatch(ServerRequestInterface $request)
173			{
174			$uri = '/' . ltrim($request->getUri()->getPath(), '/');
175
176			return $this->createDispatcher()->dispatch(
177			$request->getMethod(),
178			$uri
179			);
180			}
181
182			/**
183			* @return \FastRoute\Dispatcher
184			*/
185			protected function createDispatcher()
186			{
187			if ($this->dispatcher) {
188			return $this->dispatcher;
189			}
190
191			$routeDefinitionCallback = function (RouteCollector $r) {
192			foreach ($this->getRoutes() as $route) {
193			$r->addRoute($route->getMethods(), $route->getPattern(), $route->getIdentifier());
194			}
195			};
196
197			if ($this->cacheFile) {
			0 ignored issues – show Bug Best Practice introduced 2016-05-19 07:13 UTC by Report Bug Copy Issue Report The expression `$this->cacheFile` of type `string\|false` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== false` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
198			$this->dispatcher = \FastRoute\cachedDispatcher($routeDefinitionCallback, [
199			'routeParser' => $this->routeParser,
200			'cacheFile' => $this->cacheFile,
201			]);
202			} else {
203			$this->dispatcher = \FastRoute\simpleDispatcher($routeDefinitionCallback, [
204			'routeParser' => $this->routeParser,
205			]);
206			}
207
208			return $this->dispatcher;
209			}
210
211			/**
212			* @param \FastRoute\Dispatcher $dispatcher
213			*/
214			public function setDispatcher(Dispatcher $dispatcher)
215			{
216			$this->dispatcher = $dispatcher;
217			}
218
219			/**
220			* Get route objects
221			*
222			* @return Route[]
223			*/
224			public function getRoutes()
225			{
226			return $this->routes;
227			}
228
229			/**
230			* Get route objects with tag
231			*
232			* @param $tag
233			* @return Route[]
234			*/
235			public function getRoutesWithTag($tag)
236			{
237			if (!is_string($tag)) {
238			throw new \InvalidArgumentException("Tag must be a string");
239			}
240
241			$routes = array_filter($this->routes, function($route) use ($tag) {
242			return $route->hasTag($tag);
243			});
244
245
246			return array_values($routes);
247			}
248
249			/**
250			* Get named route object
251			*
252			* @param string $name Route name
253			*
254			* @return Route
255			*
256			* @throws RuntimeException If named route does not exist
257			*/
258			public function getNamedRoute($name)
259			{
260			foreach ($this->routes as $route) {
261			if ($name == $route->getName()) {
262			return $route;
263			}
264			}
265			throw new RuntimeException('Named route does not exist for name: ' . $name);
266			}
267
268			/**
269			* Remove named route
270			*
271			* @param string $name Route name
272			*
273			* @throws RuntimeException If named route does not exist
274			*/
275			public function removeNamedRoute($name)
276			{
277			$route = $this->getNamedRoute($name);
278
279			// no exception, route exists, now remove by id
280			unset($this->routes[$route->getIdentifier()]);
281			}
282
283			/**
284			* Process route groups
285			*
286			* @return string A group pattern to prefix routes with
287			*/
288			protected function processGroups()
289			{
290			$pattern = "";
291			foreach ($this->routeGroups as $group) {
292			$pattern .= $group->getPattern();
293			}
294			return $pattern;
295			}
296
297			/**
298			* Add a route group to the array
299			*
300			* @param string $pattern
301			* @param callable $callable
302			*
303			* @return RouteGroupInterface
304			*/
305			public function pushGroup($pattern, $callable)
306			{
307			$group = new RouteGroup($pattern, $callable);
308			array_push($this->routeGroups, $group);
309			return $group;
310			}
311
312			/**
313			* Removes the last route group from the array
314			*
315			* @return RouteGroup\|bool The RouteGroup if successful, else False
316			*/
317			public function popGroup()
318			{
319			$group = array_pop($this->routeGroups);
320			return $group instanceof RouteGroup ? $group : false;
			0 ignored issues – show Bug Compatibility introduced 2016-05-19 07:13 UTC by Report Bug Copy Issue Report The expression `$group instanceof \Slim\...Group ? $group : false;` of type `Slim\RouteGroup\|false` adds the type `Slim\RouteGroup` to the return on line 320 which is incompatible with the return type declared by the interface `Slim\Interfaces\RouterInterface::popGroup` of type `boolean`. Loading history...
321			}
322
323			/**
324			* @param $identifier
325			* @return \Slim\Interfaces\RouteInterface
326			*/
327			public function lookupRoute($identifier)
328			{
329			if (!isset($this->routes[$identifier])) {
330			throw new RuntimeException('Route not found, looks like your route cache is stale.');
331			}
332			return $this->routes[$identifier];
333			}
334
335			/**
336			* Build the path for a named route excluding the base path
337			*
338			* @param string $name Route name
339			* @param array $data Named argument replacement data
340			* @param array $queryParams Optional query string parameters
341			*
342			* @return string
343			*
344			* @throws RuntimeException If named route does not exist
345			* @throws InvalidArgumentException If required data not provided
346			*/
347			public function relativePathFor($name, array $data = [], array $queryParams = [])
348			{
349			$route = $this->getNamedRoute($name);
350			$pattern = $route->getPattern();
351
352			$routeDatas = $this->routeParser->parse($pattern);
353			// $routeDatas is an array of all possible routes that can be made. There is
354			// one routedata for each optional parameter plus one for no optional parameters.
355			//
356			// The most specific is last, so we look for that first.
357			$routeDatas = array_reverse($routeDatas);
358
359			$segments = [];
360			foreach ($routeDatas as $routeData) {
361			foreach ($routeData as $item) {
362			if (is_string($item)) {
363			// this segment is a static string
364			$segments[] = $item;
365			continue;
366			}
367
368			// This segment has a parameter: first element is the name
369			if (!array_key_exists($item[0], $data)) {
370			// we don't have a data element for this segment: cancel
371			// testing this routeData item, so that we can try a less
372			// specific routeData item.
373			$segments = [];
374			$segmentName = $item[0];
375			break;
376			}
377			$segments[] = $data[$item[0]];
378			}
379			if (!empty($segments)) {
380			// we found all the parameters for this route data, no need to check
381			// less specific ones
382			break;
383			}
384			}
385
386			if (empty($segments)) {
387			throw new InvalidArgumentException('Missing data for URL segment: ' . $segmentName);
388			}
389			$url = implode('', $segments);
390
391			if ($queryParams) {
			0 ignored issues – show Bug Best Practice introduced 2016-05-19 07:13 UTC by Report Bug Copy Issue Report The expression `$queryParams` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
392			$url .= '?' . http_build_query($queryParams);
393			}
394
395			return $url;
396			}
397
398
399			/**
400			* Build the path for a named route including the base path
401			*
402			* @param string $name Route name
403			* @param array $data Named argument replacement data
404			* @param array $queryParams Optional query string parameters
405			*
406			* @return string
407			*
408			* @throws RuntimeException If named route does not exist
409			* @throws InvalidArgumentException If required data not provided
410			*/
411			public function pathFor($name, array $data = [], array $queryParams = [])
412			{
413			$url = $this->relativePathFor($name, $data, $queryParams);
414
415			if ($this->basePath) {
416			$url = $this->basePath . $url;
417			}
418
419			return $url;
420			}
421
422			/**
423			* Build the path for a named route.
424			*
425			* This method is deprecated. Use pathFor() from now on.
426			*
427			* @param string $name Route name
428			* @param array $data Named argument replacement data
429			* @param array $queryParams Optional query string parameters
430			*
431			* @return string
432			*
433			* @throws RuntimeException If named route does not exist
434			* @throws InvalidArgumentException If required data not provided
435			*/
436			public function urlFor($name, array $data = [], array $queryParams = [])
437			{
438			trigger_error('urlFor() is deprecated. Use pathFor() instead.', E_USER_DEPRECATED);
439			return $this->pathFor($name, $data, $queryParams);
440			}
441			}
442

slimphp / Slim

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Pull Request — 3.x (#1894)

Router::getRoutesWithTag() A

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