Container::addProvider() - Code Metrics - Inspection of "New providers" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#233)

by Dmitriy

created 2021-08-06 10:49 UTC

Container::addProvider() A

↳ Parent: Container::buildProvider()

Complexity

Conditions	3
Paths	3

Size

Total Lines	10
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	6
nc	3
nop	2
dl	0
loc	10
ccs	6
cts	6
cp	1
crap	3
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 Yiisoft\Injector\Injector;

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		use Yiisoft\Injector\Injector;
17
18		use function array_key_exists;
19		use function array_keys;
20		use function class_exists;
21		use function get_class;
22		use function implode;
23		use function in_array;
24		use function is_array;
25		use function is_object;
26		use function is_string;
27
28		/**
29		* Container implements a [dependency injection](http://en.wikipedia.org/wiki/Dependency_injection) container.
30		*/
31		final class Container implements ContainerInterface
32		{
33		private const META_TAGS = 'tags';
34		private const META_RESET = 'reset';
35		private const ALLOWED_META = [self::META_TAGS, self::META_RESET];
36
37		/**
38		* @var array object definitions indexed by their types
39		*/
40		private array $definitions = [];
41		/**
42		* @var array used to collect ids instantiated during build
43		* to detect circular references
44		*/
45		private array $building = [];
46
47		/**
48		* @var bool $validate Validate definitions when set
49		*/
50		private bool $validate;
51
52		/**
53		* @var object[]
54		*/
55		private array $instances = [];
56
57		private array $tags;
58
59		private array $resetters = [];
60		/** @psalm-suppress PropertyNotSetInConstructor */
61		private DependencyResolver $dependencyResolver;
62
63		/**
64		* Container constructor.
65		*
66		* @param array $definitions Definitions to put into container.
67		* @param array $providers Service providers to get definitions from.
68		* lookup to when resolving dependencies. If provided the current container
69		* is no longer queried for dependencies.
70		*
71		* @throws InvalidConfigException
72		*
73		* @psalm-suppress PropertyNotSetInConstructor
74		*/
75	96	public function __construct(
76		array $definitions = [],
77		array $providers = [],
78		array $tags = [],
79		bool $validate = true
80		) {
81	96	$this->tags = $tags;
82	96	$this->validate = $validate;
83	96	$this->setDefaultDefinitions();
84	96	$this->setMultiple($definitions);
85	90	$this->addProviders($providers);
86	89	}
87
88		/**
89		* Returns a value indicating whether the container has the definition of the specified name.
90		*
91		* @param string $id class name, interface name or alias name
92		*
93		* @return bool whether the container is able to provide instance of class specified.
94		*
95		* @see set()
96		*/
97	28	public function has($id): bool
98		{
99	28	if ($this->isTagAlias($id)) {
100	2	$tag = substr($id, 4);
101	2	return isset($this->tags[$tag]);
102		}
103
104	26	return isset($this->definitions[$id]) \|\| class_exists($id);
105		}
106
107		/**
108		* Returns an instance by either interface name or alias.
109		*
110		* Same instance of the class will be returned each time this method is called.
111		*
112		* @param string $id The interface or an alias name that was previously registered.
113		*
114		* @throws CircularReferenceException
115		* @throws InvalidConfigException
116		* @throws NotFoundException
117		* @throws NotInstantiableException
118		*
119		* @return mixed\|object An instance of the requested interface.
120		*
121		* @psalm-template T
122		* @psalm-param string\|class-string<T> $id
123		* @psalm-return ($id is class-string ? T : mixed)
124		*/
125	85	public function get($id)
126		{
127	85	if ($id === StateResetter::class && !isset($this->definitions[$id])) {
128	4	$resetters = [];
129	4	foreach ($this->resetters as $serviceId => $callback) {
130	4	if (isset($this->instances[$serviceId])) {
131	4	$resetters[] = $callback->bindTo($this->instances[$serviceId], get_class($this->instances[$serviceId]));
132		}
133		}
134	4	return new StateResetter($resetters, $this);
135		}
136
137	85	if (!array_key_exists($id, $this->instances)) {
138	85	$this->instances[$id] = $this->build($id);
139		}
140
141	83	return $this->instances[$id];
142		}
143
144		/**
145		* Sets a definition to the container. Definition may be defined multiple ways.
146		*
147		* @param string $id
148		* @param mixed $definition
149		*
150		* @throws InvalidConfigException
151		*
152		* @see `DefinitionNormalizer::normalize()`
153		*/
154	96	protected function set(string $id, $definition): void
155		{
156	96	[$definition, $meta] = DefinitionParser::parse($definition);
157	96	if ($this->validate) {
158	96	$this->validateDefinition($definition, $id);
159	96	$this->validateMeta($meta);
160		}
161
162	96	if (isset($meta[self::META_TAGS])) {
163	8	if ($this->validate) {
164	8	$this->validateTags($meta[self::META_TAGS]);
165		}
166	8	$this->setTags($id, $meta[self::META_TAGS]);
167		}
168	96	if (isset($meta[self::META_RESET])) {
169	5	$this->setResetter($id, $meta[self::META_RESET]);
170		}
171
172	96	unset($this->instances[$id]);
173	96	$this->definitions[$id] = $definition;
174	96	}
175
176		/**
177		* Sets multiple definitions at once.
178		*
179		* @param array $config definitions indexed by their ids
180		*
181		* @throws InvalidConfigException
182		*/
183	96	protected function setMultiple(array $config): void
184		{
185	96	foreach ($config as $id => $definition) {
186	89	if ($this->validate && !is_string($id)) {
187	1	throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
188		}
189	88	$this->set($id, $definition);
190		}
191	90	}
192
193	96	private function setDefaultDefinitions(): void
194		{
195	96	$this->set(ContainerInterface::class, $this);
196	96	}
197
198		/**
199		* @param mixed $definition
200		*
201		* @throws InvalidConfigException
202		*/
203	96	private function validateDefinition($definition, ?string $id = null): void
204		{
205	96	if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
206	39	[$class, $constructorArguments, $methodsAndProperties] = $definition;
207	39	$definition = array_merge(
208	39	$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
209	39	[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
210		$methodsAndProperties,
211		);
212		}
213
214	96	if ($definition instanceof ExtensibleService) {
215		throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
216		}
217
218	96	DefinitionValidator::validate($definition, $id);
219	96	}
220
221		/**
222		* @throws InvalidConfigException
223		*/
224	96	private function validateMeta(array $meta): void
225		{
226	96	foreach ($meta as $key => $_value) {
227	16	if (!in_array($key, self::ALLOWED_META, true)) {
228	3	throw new InvalidConfigException(
229	3	sprintf(
230	3	'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
231		$key,
232		$key,
233		$key,
234		)
235		);
236		}
237		}
238	96	}
239
240	8	private function validateTags(array $tags): void
241		{
242	8	foreach ($tags as $tag) {
243	8	if (!is_string($tag)) {
244		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
245		}
246		}
247	8	}
248
249	8	private function setTags(string $id, array $tags): void
250		{
251	8	foreach ($tags as $tag) {
252	8	if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
253	8	$this->tags[$tag][] = $id;
254		}
255		}
256	8	}
257
258	4	private function setResetter(string $id, Closure $resetter): void
259		{
260	4	$this->resetters[$id] = $resetter;
261	4	}
262
263		/**
264		* Creates new instance by either interface name or alias.
265		*
266		* @param string $id The interface or an alias name that was previously registered.
267		*
268		* @throws CircularReferenceException
269		* @throws InvalidConfigException
270		* @throws NotFoundException
271		*
272		* @return mixed\|object New built instance of the specified class.
273		*
274		* @internal
275		*/
276	85	private function build(string $id)
277		{
278	85	if ($this->isTagAlias($id)) {
279	9	return $this->getTaggedServices($id);
280		}
281
282	84	if (isset($this->building[$id])) {
283	82	if ($id === ContainerInterface::class) {
284	82	return $this;
285		}
286	7	throw new CircularReferenceException(sprintf(
287	7	'Circular reference to "%s" detected while building: %s.',
288		$id,
289	7	implode(',', array_keys($this->building))
290		));
291		}
292
293	84	$this->building[$id] = 1;
294		try {
295	84	$object = $this->buildInternal($id);
296	82	} finally {
297	84	unset($this->building[$id]);
298		}
299
300	82	return $object;
301		}
302
303	89	private function isTagAlias(string $id): bool
304		{
305	89	return strpos($id, 'tag@') === 0;
306		}
307
308	9	private function getTaggedServices(string $tagAlias): array
309		{
310	9	$tag = substr($tagAlias, 4);
311	9	$services = [];
312	9	if (isset($this->tags[$tag])) {
313	8	foreach ($this->tags[$tag] as $service) {
314	8	$services[] = $this->get($service);
315		}
316		}
317
318	9	return $services;
319		}
320
321		/**
322		* @param string $id
323		*
324		* @throws InvalidConfigException
325		* @throws NotFoundException
326		*
327		* @return mixed\|object
328		*/
329	84	private function buildInternal(string $id)
330		{
331	84	if (!isset($this->definitions[$id])) {
332	57	return $this->buildPrimitive($id);
333		}
334	82	$definition = DefinitionNormalizer::normalize($this->definitions[$id], $id);
335		/** @psalm-suppress RedundantPropertyInitializationCheck */
336	82	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
337
338	82	return $definition->resolve($this->dependencyResolver);
339		}
340
341		/**
342		* @param string $class
343		*
344		* @throws InvalidConfigException
345		* @throws NotFoundException
346		*
347		* @return mixed\|object
348		*/
349	57	private function buildPrimitive(string $class)
350		{
351	57	if (class_exists($class)) {
352	55	$definition = ArrayDefinition::fromPreparedData($class);
353		/** @psalm-suppress RedundantPropertyInitializationCheck */
354	55	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
355
356	55	return $definition->resolve($this->dependencyResolver);
357		}
358
359	5	throw new NotFoundException($class);
360		}
361
362	90	private function addProviders(array $providers): void
363		{
364	90	$extensions = [];
365	90	foreach ($providers as $provider) {
366	5	$providerInstance = $this->buildProvider($provider);
367	5	$extensions[] = $providerInstance->getExtensions();
368	5	$this->addProviderDefinitions($providerInstance);
369		}
370
371	90	foreach ($extensions as $providerExtensions) {
372	5	foreach ($providerExtensions as $id => $extension) {
373	4	if (!isset($this->definitions[$id])) {
374	1	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
375		}
376
377	3	if (!$this->definitions[$id] instanceof ExtensibleService) {
378	3	$this->definitions[$id] = new ExtensibleService($this->definitions[$id]);
379		}
380
381	3	$this->definitions[$id]->addExtension($extension);
382		}
383		}
384	89	}
385
386		/**
387		* Adds service provider definitions to the container.
388		*
389		* @param object $provider
390		*
391		* @throws InvalidConfigException
392		* @throws NotInstantiableException
393		*
394		* @see ServiceProviderInterface
395		*/
396	5	private function addProviderDefinitions($provider): void
397		{
398	5	$definitions = $provider->getDefinitions();
399	5	$this->setMultiple($definitions);
400	5	}
401
402		/**
403		* Builds service provider by definition.
404		*
405		* @param mixed $provider Class name or instance of provider.
406		*
407		* @throws InvalidConfigException If provider argument is not valid.
408		*
409		* @return ServiceProviderInterface Instance of service provider.
410		*
411		* @psalm-suppress MoreSpecificReturnType
412		*/
413	5	private function buildProvider($provider): ServiceProviderInterface
414		{
415	5	if ($this->validate && !(is_string($provider) \|\| is_object($provider) && $provider instanceof ServiceProviderInterface)) {
416		throw new InvalidConfigException(
417		sprintf(
418		'Service provider should be a class name or an instance of %s. %s given.',
419		ServiceProviderInterface::class,
420		$this->getVariableType($provider)
421		)
422		);
423		}
424
425	5	$providerInstance = is_object($provider) ? $provider : new $provider();
426	5	if (!$providerInstance instanceof ServiceProviderInterface) {
427		throw new InvalidConfigException(
428		sprintf(
429		'Service provider should be an instance of %s. %s given.',
430		ServiceProviderInterface::class,
431		$this->getVariableType($providerInstance)
432		)
433		);
434		}
435
436		/**
437		* @psalm-suppress LessSpecificReturnStatement
438		*/
439	5	return $providerInstance;
440		}
441
442		/**
443		* @param mixed $variable
444		*/
445	1	private function getVariableType($variable): string
446		{
447	1	if (is_object($variable)) {
448		return get_class($variable);
449		}
450
451	1	return gettype($variable);
452		}
453		}
454

yiisoft / di

Pull Request — master (#233)

Container::addProvider() A

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