Container::addProviderDefinitions() - Code Metrics - Inspection of "Adopt to new DependencyResolverInterface" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#237)

by Sergei

created 2021-08-06 18:09 UTC

Container::addProviderDefinitions() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	4
ccs	3
cts	3
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Di;

use Closure;
use Psr\Container\ContainerInterface;
use Yiisoft\Di\Contracts\ServiceProviderInterface;
use Yiisoft\Factory\Definition\ArrayDefinition;
use Yiisoft\Factory\Definition\DefinitionValidator;
use Yiisoft\Factory\Exception\CircularReferenceException;
use Yiisoft\Factory\Exception\InvalidConfigException;
use Yiisoft\Factory\Exception\NotFoundException;
use Yiisoft\Factory\Exception\NotInstantiableException;

use function array_key_exists;
use function array_keys;
use function class_exists;
use function get_class;
use function implode;
use function in_array;
use function is_array;
use function is_object;
use function is_string;

/**
 * Container implements a [dependency injection](http://en.wikipedia.org/wiki/Dependency_injection) container.
 */
final class Container implements ContainerInterface
{
    private const META_TAGS = 'tags';
    private const META_RESET = 'reset';
    private const ALLOWED_META = [self::META_TAGS, self::META_RESET];

    /**
     * @var array object definitions indexed by their types
     */
    private array $definitions = [];
    /**
     * @var array used to collect ids instantiated during build
     * to detect circular references
     */
    private array $building = [];

    /**
     * @var bool $validate Validate definitions when set
     */
    private bool $validate;

    /**
     * @var object[]
     */
    private array $instances = [];

    private array $tags;

    private array $resetters = [];
    /** @psalm-suppress PropertyNotSetInConstructor */
    private DependencyResolver $dependencyResolver;

    /**
     * Container constructor.
     *
     * @param array $definitions Definitions to put into container.
     * @param array $providers Service providers to get definitions from.
     * lookup to when resolving dependencies. If provided the current container
     * is no longer queried for dependencies.
     *
     * @throws InvalidConfigException
     *
     * @psalm-suppress PropertyNotSetInConstructor
     */
    public function __construct(
        array $definitions = [],
        array $providers = [],
        array $tags = [],
        bool $validate = true
    ) {
        $this->tags = $tags;
        $this->validate = $validate;
        $this->setDefaultDefinitions();
        $this->setMultiple($definitions);
        $this->addProviders($providers);
    }

    /**
     * Returns a value indicating whether the container has the definition of the specified name.
     *
     * @param string $id class name, interface name or alias name
     *
     * @return bool whether the container is able to provide instance of class specified.
     *
     * @see set()
     */
    public function has($id): bool
    {
        if ($this->isTagAlias($id)) {
            $tag = substr($id, 4);
            return isset($this->tags[$tag]);
        }

        return isset($this->definitions[$id]) || class_exists($id);
    }

    /**
     * Returns an instance by either interface name or alias.
     *
     * Same instance of the class will be returned each time this method is called.
     *
     * @param string $id The interface or an alias name that was previously registered.
     *
     * @throws CircularReferenceException
     * @throws InvalidConfigException
     * @throws NotFoundException
     * @throws NotInstantiableException
     *
     * @return mixed|object An instance of the requested interface.
     *
     * @psalm-template T
     * @psalm-param string|class-string<T> $id
     * @psalm-return ($id is class-string ? T : mixed)
     */
    public function get($id)
    {
        if ($id === StateResetter::class && !isset($this->definitions[$id])) {
            $resetters = [];
            foreach ($this->resetters as $serviceId => $callback) {
                if (isset($this->instances[$serviceId])) {
                    $resetters[] = $callback->bindTo($this->instances[$serviceId], get_class($this->instances[$serviceId]));
                }
            }
            return new StateResetter($resetters, $this);
        }

        if (!array_key_exists($id, $this->instances)) {
            $this->instances[$id] = $this->build($id);
        }

        return $this->instances[$id];
    }

    /**
     * Sets a definition to the container. Definition may be defined multiple ways.
     *
     * @param string $id
     * @param mixed $definition
     *
     * @throws InvalidConfigException
     *
     * @see `DefinitionNormalizer::normalize()`
     */
    protected function set(string $id, $definition): void
    {
        [$definition, $meta] = DefinitionParser::parse($definition);
        if ($this->validate) {
            $this->validateDefinition($definition, $id);
            $this->validateMeta($meta);
        }

        if (isset($meta[self::META_TAGS])) {
            if ($this->validate) {
                $this->validateTags($meta[self::META_TAGS]);
            }
            $this->setTags($id, $meta[self::META_TAGS]);
        }
        if (isset($meta[self::META_RESET])) {
            $this->setResetter($id, $meta[self::META_RESET]);
        }

        unset($this->instances[$id]);
        $this->definitions[$id] = $definition;
    }

    /**
     * Sets multiple definitions at once.
     *
     * @param array $config definitions indexed by their ids
     *
     * @throws InvalidConfigException
     */
    protected function setMultiple(array $config): void
    {
        foreach ($config as $id => $definition) {
            if ($this->validate && !is_string($id)) {
                throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
            }
            $this->set($id, $definition);
        }
    }

    private function setDefaultDefinitions(): void
    {
        $this->set(ContainerInterface::class, $this);
    }

    /**
     * @param mixed $definition
     *
     * @throws InvalidConfigException
     */
    private function validateDefinition($definition, ?string $id = null): void
    {
        if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
            [$class, $constructorArguments, $methodsAndProperties] = $definition;
            $definition = array_merge(
                $class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
                [ArrayDefinition::CONSTRUCTOR => $constructorArguments],
                $methodsAndProperties,
            );
        }

        if ($definition instanceof ExtensibleService) {
            throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
        }

        DefinitionValidator::validate($definition, $id);
    }

    /**
     * @throws InvalidConfigException
     */
    private function validateMeta(array $meta): void
    {
        foreach ($meta as $key => $_value) {
            if (!in_array($key, self::ALLOWED_META, true)) {
                throw new InvalidConfigException(
                    sprintf(
                        'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
                        $key,
                        $key,
                        $key,
                    )
                );
            }
        }
    }

    private function validateTags(array $tags): void
    {
        foreach ($tags as $tag) {
            if (!is_string($tag)) {
                throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
            }
        }
    }

    private function setTags(string $id, array $tags): void
    {
        foreach ($tags as $tag) {
            if (!isset($this->tags[$tag]) || !in_array($id, $this->tags[$tag], true)) {
                $this->tags[$tag][] = $id;
            }
        }
    }

    private function setResetter(string $id, Closure $resetter): void
    {
        $this->resetters[$id] = $resetter;
    }

    /**
     * Creates new instance by either interface name or alias.
     *
     * @param string $id The interface or an alias name that was previously registered.
     *
     * @throws CircularReferenceException
     * @throws InvalidConfigException
     * @throws NotFoundException
     *
     * @return mixed|object New built instance of the specified class.
     *
     * @internal
     */
    private function build(string $id)
    {
        if ($this->isTagAlias($id)) {
            return $this->getTaggedServices($id);
        }

        if (isset($this->building[$id])) {
            if ($id === ContainerInterface::class) {
                return $this;
            }
            throw new CircularReferenceException(sprintf(
                'Circular reference to "%s" detected while building: %s.',
                $id,
                implode(',', array_keys($this->building))
            ));
        }

        $this->building[$id] = 1;
        try {
            $object = $this->buildInternal($id);
        } finally {
            unset($this->building[$id]);
        }

        return $object;
    }

    private function isTagAlias(string $id): bool
    {
        return strpos($id, 'tag@') === 0;
    }

    private function getTaggedServices(string $tagAlias): array
    {
        $tag = substr($tagAlias, 4);
        $services = [];
        if (isset($this->tags[$tag])) {
            foreach ($this->tags[$tag] as $service) {
                $services[] = $this->get($service);
            }
        }

        return $services;
    }

    /**
     * @param string $id
     *
     * @throws InvalidConfigException
     * @throws NotFoundException
     *
     * @return mixed|object
     */
    private function buildInternal(string $id)
    {
        if (!isset($this->definitions[$id])) {
            return $this->buildPrimitive($id);
        }
        $definition = DefinitionNormalizer::normalize($this->definitions[$id], $id);
        /** @psalm-suppress RedundantPropertyInitializationCheck */
        $this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));

        return $definition->resolve($this->dependencyResolver);
    }

    /**
     * @param string $class
     *
     * @throws InvalidConfigException
     * @throws NotFoundException
     *
     * @return mixed|object
     */
    private function buildPrimitive(string $class)
    {
        if (class_exists($class)) {
            $definition = ArrayDefinition::fromPreparedData($class);
            /** @psalm-suppress RedundantPropertyInitializationCheck */
            $this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));

            return $definition->resolve($this->dependencyResolver);
        }

        throw new NotFoundException($class);
    }

    private function addProviders(array $providers): void
    {
        $extensions = [];
        foreach ($providers as $provider) {
            $providerInstance = $this->buildProvider($provider);
            $extensions[] = $providerInstance->getExtensions();
            $this->addProviderDefinitions($providerInstance);
        }

        foreach ($extensions as $providerExtensions) {
            foreach ($providerExtensions as $id => $extension) {
                if (!isset($this->definitions[$id])) {
                    throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
                }

                if (!$this->definitions[$id] instanceof ExtensibleService) {
                    $this->definitions[$id] = new ExtensibleService($this->definitions[$id]);
                }

                $this->definitions[$id]->addExtension($extension);
            }
        }
    }

    /**
     * Adds service provider definitions to the container.
     *
     * @param object $provider
     *
     * @throws InvalidConfigException
     * @throws NotInstantiableException
     *
     * @see ServiceProviderInterface
     */
    private function addProviderDefinitions($provider): void
    {
        $definitions = $provider->getDefinitions();
        $this->setMultiple($definitions);
    }

    /**
     * Builds service provider by definition.
     *
     * @param mixed $provider Class name or instance of provider.
     *
     * @throws InvalidConfigException If provider argument is not valid.
     *
     * @return ServiceProviderInterface Instance of service provider.
     *
     * @psalm-suppress MoreSpecificReturnType
     */
    private function buildProvider($provider): ServiceProviderInterface
    {
        if ($this->validate && !(is_string($provider) || is_object($provider) && $provider instanceof ServiceProviderInterface)) {
            throw new InvalidConfigException(
                sprintf(
                    'Service provider should be a class name or an instance of %s. %s given.',
                    ServiceProviderInterface::class,
                    $this->getVariableType($provider)
                )
            );
        }

        $providerInstance = is_object($provider) ? $provider : new $provider();
        if (!$providerInstance instanceof ServiceProviderInterface) {
            throw new InvalidConfigException(
                sprintf(
                    'Service provider should be an instance of %s. %s given.',
                    ServiceProviderInterface::class,
                    $this->getVariableType($providerInstance)
                )
            );
        }

        /**
         * @psalm-suppress LessSpecificReturnStatement
         */
        return $providerInstance;
    }

    /**
     * @param mixed $variable
     */
    private function getVariableType($variable): string
    {
        if (is_object($variable)) {
            return get_class($variable);
        }

        return gettype($variable);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Di;
6
7		use Closure;
8		use Psr\Container\ContainerInterface;
9		use Yiisoft\Di\Contracts\ServiceProviderInterface;
10		use Yiisoft\Factory\Definition\ArrayDefinition;
11		use Yiisoft\Factory\Definition\DefinitionValidator;
12		use Yiisoft\Factory\Exception\CircularReferenceException;
13		use Yiisoft\Factory\Exception\InvalidConfigException;
14		use Yiisoft\Factory\Exception\NotFoundException;
15		use Yiisoft\Factory\Exception\NotInstantiableException;
16
17		use function array_key_exists;
18		use function array_keys;
19		use function class_exists;
20		use function get_class;
21		use function implode;
22		use function in_array;
23		use function is_array;
24		use function is_object;
25		use function is_string;
26
27		/**
28		* Container implements a [dependency injection](http://en.wikipedia.org/wiki/Dependency_injection) container.
29		*/
30		final class Container implements ContainerInterface
31		{
32		private const META_TAGS = 'tags';
33		private const META_RESET = 'reset';
34		private const ALLOWED_META = [self::META_TAGS, self::META_RESET];
35
36		/**
37		* @var array object definitions indexed by their types
38		*/
39		private array $definitions = [];
40		/**
41		* @var array used to collect ids instantiated during build
42		* to detect circular references
43		*/
44		private array $building = [];
45
46		/**
47		* @var bool $validate Validate definitions when set
48		*/
49		private bool $validate;
50
51		/**
52		* @var object[]
53		*/
54		private array $instances = [];
55
56		private array $tags;
57
58		private array $resetters = [];
59		/** @psalm-suppress PropertyNotSetInConstructor */
60		private DependencyResolver $dependencyResolver;
61
62		/**
63		* Container constructor.
64		*
65		* @param array $definitions Definitions to put into container.
66		* @param array $providers Service providers to get definitions from.
67		* lookup to when resolving dependencies. If provided the current container
68		* is no longer queried for dependencies.
69		*
70		* @throws InvalidConfigException
71		*
72		* @psalm-suppress PropertyNotSetInConstructor
73		*/
74		public function __construct(
75		array $definitions = [],
76		array $providers = [],
77		array $tags = [],
78	98	bool $validate = true
79		) {
80		$this->tags = $tags;
81		$this->validate = $validate;
82		$this->setDefaultDefinitions();
83		$this->setMultiple($definitions);
84		$this->addProviders($providers);
85	98	}
86	98
87	98	/**
88	98	* Returns a value indicating whether the container has the definition of the specified name.
89	98	*
90	92	* @param string $id class name, interface name or alias name
91		*
92		* @return bool whether the container is able to provide instance of class specified.
93	90	*
94	90	* @see set()
95		*/
96		public function has($id): bool
97		{
98		if ($this->isTagAlias($id)) {
99		$tag = substr($id, 4);
100		return isset($this->tags[$tag]);
101		}
102
103		return isset($this->definitions[$id]) \|\| class_exists($id);
104		}
105	31
106		/**
107	31	* Returns an instance by either interface name or alias.
108	2	*
109	2	* Same instance of the class will be returned each time this method is called.
110		*
111		* @param string $id The interface or an alias name that was previously registered.
112	29	*
113		* @throws CircularReferenceException
114		* @throws InvalidConfigException
115		* @throws NotFoundException
116		* @throws NotInstantiableException
117		*
118		* @return mixed\|object An instance of the requested interface.
119		*
120		* @psalm-template T
121		* @psalm-param string\|class-string<T> $id
122		* @psalm-return ($id is class-string ? T : mixed)
123		*/
124		public function get($id)
125		{
126		if ($id === StateResetter::class && !isset($this->definitions[$id])) {
127		$resetters = [];
128		foreach ($this->resetters as $serviceId => $callback) {
129		if (isset($this->instances[$serviceId])) {
130		$resetters[] = $callback->bindTo($this->instances[$serviceId], get_class($this->instances[$serviceId]));
131		}
132		}
133	91	return new StateResetter($resetters, $this);
134		}
135	91
136	4	if (!array_key_exists($id, $this->instances)) {
137	4	$this->instances[$id] = $this->build($id);
138	4	}
139	4
140		return $this->instances[$id];
141		}
142	4
143		/**
144		* Sets a definition to the container. Definition may be defined multiple ways.
145	91	*
146	91	* @param string $id
147		* @param mixed $definition
148		*
149	91	* @throws InvalidConfigException
150		*
151		* @see `DefinitionNormalizer::normalize()`
152		*/
153		protected function set(string $id, $definition): void
154		{
155		[$definition, $meta] = DefinitionParser::parse($definition);
156		if ($this->validate) {
157	98	$this->validateDefinition($definition, $id);
158		$this->validateMeta($meta);
159	98	}
160	8
161	8	if (isset($meta[self::META_TAGS])) {
162	8	if ($this->validate) {
163		$this->validateTags($meta[self::META_TAGS]);
164		}
165	8	$this->setTags($id, $meta[self::META_TAGS]);
166		}
167		if (isset($meta[self::META_RESET])) {
168	98	$this->setResetter($id, $meta[self::META_RESET]);
169	98	}
170
171		unset($this->instances[$id]);
172		$this->definitions[$id] = $definition;
173		}
174
175		/**
176		* Sets multiple definitions at once.
177		*
178		* @param array $config definitions indexed by their ids
179		*
180		* @throws InvalidConfigException
181	98	*/
182		protected function setMultiple(array $config): void
183	98	{
184	98	foreach ($config as $id => $definition) {
185	98	if ($this->validate && !is_string($id)) {
186	98	throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
187		}
188		$this->set($id, $definition);
189	98	}
190	8	}
191	8
192		private function setDefaultDefinitions(): void
193	8	{
194		$this->set(ContainerInterface::class, $this);
195	98	}
196	5
197		/**
198		* @param mixed $definition
199	98	*
200	98	* @throws InvalidConfigException
201	98	*/
202		private function validateDefinition($definition, ?string $id = null): void
203		{
204		if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
205		[$class, $constructorArguments, $methodsAndProperties] = $definition;
206		$definition = array_merge(
207		$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
208		[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
209		$methodsAndProperties,
210	98	);
211		}
212	98
213	98	if ($definition instanceof ExtensibleService) {
214	1	throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
215		}
216	98
217		DefinitionValidator::validate($definition, $id);
218	98	}
219
220	98	/**
221		* @throws InvalidConfigException
222	98	*/
223	98	private function validateMeta(array $meta): void
224	98	{
225	98	foreach ($meta as $key => $_value) {
226		if (!in_array($key, self::ALLOWED_META, true)) {
227	98	throw new InvalidConfigException(
228		sprintf(
229		'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
230		$key,
231		$key,
232		$key,
233		)
234	98	);
235		}
236	98	}
237	36	}
238	36
239	36	private function validateTags(array $tags): void
240	36	{
241		foreach ($tags as $tag) {
242		if (!is_string($tag)) {
243		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
244	98	}
245	98	}
246		}
247
248		private function setTags(string $id, array $tags): void
249		{
250	98	foreach ($tags as $tag) {
251		if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
252	98	$this->tags[$tag][] = $id;
253	16	}
254	3	}
255	3	}
256	3
257		private function setResetter(string $id, Closure $resetter): void
258		{
259		$this->resetters[$id] = $resetter;
260		}
261
262		/**
263		* Creates new instance by either interface name or alias.
264	98	*
265		* @param string $id The interface or an alias name that was previously registered.
266	8	*
267		* @throws CircularReferenceException
268	8	* @throws InvalidConfigException
269	8	* @throws NotFoundException
270		*
271		* @return mixed\|object New built instance of the specified class.
272		*
273	8	* @internal
274		*/
275	8	private function build(string $id)
276		{
277	8	if ($this->isTagAlias($id)) {
278	8	return $this->getTaggedServices($id);
279	8	}
280
281		if (isset($this->building[$id])) {
282	8	if ($id === ContainerInterface::class) {
283		return $this;
284	4	}
285		throw new CircularReferenceException(sprintf(
286	4	'Circular reference to "%s" detected while building: %s.',
287	4	$id,
288		implode(',', array_keys($this->building))
289		));
290		}
291
292		$this->building[$id] = 1;
293		try {
294		$object = $this->buildInternal($id);
295		} finally {
296		unset($this->building[$id]);
297		}
298
299		return $object;
300		}
301
302	91	private function isTagAlias(string $id): bool
303		{
304	91	return strpos($id, 'tag@') === 0;
305	9	}
306
307		private function getTaggedServices(string $tagAlias): array
308	91	{
309	9	$tag = substr($tagAlias, 4);
310	2	$services = [];
311		if (isset($this->tags[$tag])) {
312	7	foreach ($this->tags[$tag] as $service) {
313	7	$services[] = $this->get($service);
314		}
315	7	}
316
317		return $services;
318		}
319	91
320		/**
321	91	* @param string $id
322	91	*
323	91	* @throws InvalidConfigException
324		* @throws NotFoundException
325		*
326	91	* @return mixed\|object
327		*/
328		private function buildInternal(string $id)
329	91	{
330		if (!isset($this->definitions[$id])) {
331	91	return $this->buildPrimitive($id);
332		}
333		$definition = DefinitionNormalizer::normalize($this->definitions[$id], $id);
334	9	/** @psalm-suppress RedundantPropertyInitializationCheck */
335		$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
336	9
337	9	return $definition->resolve($this->dependencyResolver);
338	9	}
339	8
340	8	/**
341		* @param string $class
342		*
343		* @throws InvalidConfigException
344	9	* @throws NotFoundException
345		*
346		* @return mixed\|object
347		*/
348		private function buildPrimitive(string $class)
349		{
350	91	if (class_exists($class)) {
351		$definition = ArrayDefinition::fromPreparedData($class);
352	91	/** @psalm-suppress RedundantPropertyInitializationCheck */
353	1	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
354
355	91	return $definition->resolve($this->dependencyResolver);
356		}
357
358		throw new NotFoundException($class);
359		}
360
361		private function addProviders(array $providers): void
362		{
363		$extensions = [];
364		foreach ($providers as $provider) {
365	91	$providerInstance = $this->buildProvider($provider);
366		$extensions[] = $providerInstance->getExtensions();
367	91	$this->addProviderDefinitions($providerInstance);
368	50	}
369
370	91	foreach ($extensions as $providerExtensions) {
371	91	foreach ($providerExtensions as $id => $extension) {
372		if (!isset($this->definitions[$id])) {
373	91	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
374		}
375
376		if (!$this->definitions[$id] instanceof ExtensibleService) {
377		$this->definitions[$id] = new ExtensibleService($this->definitions[$id]);
378		}
379
380		$this->definitions[$id]->addExtension($extension);
381		}
382		}
383		}
384	50
385		/**
386	50	* Adds service provider definitions to the container.
387	48	*
388		* @param object $provider
389	48	*
390		* @throws InvalidConfigException
391		* @throws NotInstantiableException
392	4	*
393		* @see ServiceProviderInterface
394		*/
395	92	private function addProviderDefinitions($provider): void
396		{
397	92	$definitions = $provider->getDefinitions();
398	6	$this->setMultiple($definitions);
399		}
400	90
401		/**
402		* Builds service provider by definition.
403		*
404		* @param mixed $provider Class name or instance of provider.
405		*
406		* @throws InvalidConfigException If provider argument is not valid.
407		*
408		* @return ServiceProviderInterface Instance of service provider.
409		*
410		* @psalm-suppress MoreSpecificReturnType
411		*/
412		private function buildProvider($provider): ServiceProviderInterface
413		{
414	6	if ($this->validate && !(is_string($provider) \|\| is_object($provider) && $provider instanceof ServiceProviderInterface)) {
415		throw new InvalidConfigException(
416	6	sprintf(
417		'Service provider should be a class name or an instance of %s. %s given.',
418	5	ServiceProviderInterface::class,
419	1	$this->getVariableType($provider)
420	1	)
421		);
422		}
423	4
424		$providerInstance = is_object($provider) ? $provider : new $provider();
425	4	if (!$providerInstance instanceof ServiceProviderInterface) {
426		throw new InvalidConfigException(
427		sprintf(
428		'Service provider should be an instance of %s. %s given.',
429		ServiceProviderInterface::class,
430		$this->getVariableType($providerInstance)
431		)
432		);
433		}
434
435		/**
436	6	* @psalm-suppress LessSpecificReturnStatement
437		*/
438	6	return $providerInstance;
439	6	}
440
441	5	/**
442	5	* @param mixed $variable
443	5	*/
444	5	private function getVariableType($variable): string
445	5	{
446	5	if (is_object($variable)) {
447		return get_class($variable);
448		}
449
450	5	return gettype($variable);
451		}
452		}
453

yiisoft / di

Pull Request — master (#237)

Container::addProviderDefinitions() A

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