Container::buildProvider() - Code Metrics - Inspection of "Adopt to new DependencyResolverInterface (#237)" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( ee03c1...dad2d2 )

by Alexander

created 2021-08-06 20:30 UTC

Container::buildProvider() B

↳ Parent: Container

Complexity

Conditions	7
Paths	5

Size

Total Lines	27
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	21.5206

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
cc	7
eloc	14
nc	5
nop	1
dl	0
loc	27
ccs	5
cts	15
cp	0.3333
crap	21.5206
rs	8.8333
c	2
b	1
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	95	public function __construct(
75		array $definitions = [],
76		array $providers = [],
77		array $tags = [],
78		bool $validate = true
79		) {
80	95	$this->tags = $tags;
81	95	$this->validate = $validate;
82	95	$this->setDefaultDefinitions();
83	95	$this->setMultiple($definitions);
84	89	$this->addProviders($providers);
85	88	}
86
87		/**
88		* Returns a value indicating whether the container has the definition of the specified name.
89		*
90		* @param string $id class name, interface name or alias name
91		*
92		* @return bool whether the container is able to provide instance of class specified.
93		*
94		* @see set()
95		*/
96	28	public function has($id): bool
97		{
98	28	if ($this->isTagAlias($id)) {
99	2	$tag = substr($id, 4);
100	2	return isset($this->tags[$tag]);
101		}
102
103	26	return isset($this->definitions[$id]) \|\| class_exists($id);
104		}
105
106		/**
107		* Returns an instance by either interface name or alias.
108		*
109		* 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		*
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	84	public function get($id)
125		{
126	84	if ($id === StateResetter::class && !isset($this->definitions[$id])) {
127	4	$resetters = [];
128	4	foreach ($this->resetters as $serviceId => $callback) {
129	4	if (isset($this->instances[$serviceId])) {
130	4	$resetters[] = $callback->bindTo($this->instances[$serviceId], get_class($this->instances[$serviceId]));
131		}
132		}
133	4	return new StateResetter($resetters, $this);
134		}
135
136	84	if (!array_key_exists($id, $this->instances)) {
137	84	$this->instances[$id] = $this->build($id);
138		}
139
140	82	return $this->instances[$id];
141		}
142
143		/**
144		* Sets a definition to the container. Definition may be defined multiple ways.
145		*
146		* @param string $id
147		* @param mixed $definition
148		*
149		* @throws InvalidConfigException
150		*
151		* @see `DefinitionNormalizer::normalize()`
152		*/
153	95	protected function set(string $id, $definition): void
154		{
155	95	[$definition, $meta] = DefinitionParser::parse($definition);
156	95	if ($this->validate) {
157	95	$this->validateDefinition($definition, $id);
158	95	$this->validateMeta($meta);
159		}
160
161	95	if (isset($meta[self::META_TAGS])) {
162	8	if ($this->validate) {
163	8	$this->validateTags($meta[self::META_TAGS]);
164		}
165	8	$this->setTags($id, $meta[self::META_TAGS]);
166		}
167	95	if (isset($meta[self::META_RESET])) {
168	5	$this->setResetter($id, $meta[self::META_RESET]);
169		}
170
171	95	unset($this->instances[$id]);
172	95	$this->definitions[$id] = $definition;
173	95	}
174
175		/**
176		* Sets multiple definitions at once.
177		*
178		* @param array $config definitions indexed by their ids
179		*
180		* @throws InvalidConfigException
181		*/
182	95	protected function setMultiple(array $config): void
183		{
184	95	foreach ($config as $id => $definition) {
185	88	if ($this->validate && !is_string($id)) {
186	1	throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
187		}
188	87	$this->set($id, $definition);
189		}
190	89	}
191
192	95	private function setDefaultDefinitions(): void
193		{
194	95	$this->set(ContainerInterface::class, $this);
195	95	}
196
197		/**
198		* @param mixed $definition
199		*
200		* @throws InvalidConfigException
201		*/
202	95	private function validateDefinition($definition, ?string $id = null): void
203		{
204	95	if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
205	39	[$class, $constructorArguments, $methodsAndProperties] = $definition;
206	39	$definition = array_merge(
207	39	$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
208	39	[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
209		$methodsAndProperties,
210		);
211		}
212
213	95	if ($definition instanceof ExtensibleService) {
214		throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
215		}
216
217	95	DefinitionValidator::validate($definition, $id);
218	95	}
219
220		/**
221		* @throws InvalidConfigException
222		*/
223	95	private function validateMeta(array $meta): void
224		{
225	95	foreach ($meta as $key => $_value) {
226	16	if (!in_array($key, self::ALLOWED_META, true)) {
227	3	throw new InvalidConfigException(
228	3	sprintf(
229	3	'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
230		$key,
231		$key,
232		$key,
233		)
234		);
235		}
236		}
237	95	}
238
239	8	private function validateTags(array $tags): void
240		{
241	8	foreach ($tags as $tag) {
242	8	if (!is_string($tag)) {
243		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
244		}
245		}
246	8	}
247
248	8	private function setTags(string $id, array $tags): void
249		{
250	8	foreach ($tags as $tag) {
251	8	if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
252	8	$this->tags[$tag][] = $id;
253		}
254		}
255	8	}
256
257	4	private function setResetter(string $id, Closure $resetter): void
258		{
259	4	$this->resetters[$id] = $resetter;
260	4	}
261
262		/**
263		* Creates new instance by either interface name or alias.
264		*
265		* @param string $id The interface or an alias name that was previously registered.
266		*
267		* @throws CircularReferenceException
268		* @throws InvalidConfigException
269		* @throws NotFoundException
270		*
271		* @return mixed\|object New built instance of the specified class.
272		*
273		* @internal
274		*/
275	84	private function build(string $id)
276		{
277	84	if ($this->isTagAlias($id)) {
278	9	return $this->getTaggedServices($id);
279		}
280
281	83	if (isset($this->building[$id])) {
282	81	if ($id === ContainerInterface::class) {
283	81	return $this;
284		}
285	7	throw new CircularReferenceException(sprintf(
286	7	'Circular reference to "%s" detected while building: %s.',
287		$id,
288	7	implode(',', array_keys($this->building))
289		));
290		}
291
292	83	$this->building[$id] = 1;
293		try {
294	83	$object = $this->buildInternal($id);
295	81	} finally {
296	83	unset($this->building[$id]);
297		}
298
299	81	return $object;
300		}
301
302	88	private function isTagAlias(string $id): bool
303		{
304	88	return strpos($id, 'tag@') === 0;
305		}
306
307	9	private function getTaggedServices(string $tagAlias): array
308		{
309	9	$tag = substr($tagAlias, 4);
310	9	$services = [];
311	9	if (isset($this->tags[$tag])) {
312	8	foreach ($this->tags[$tag] as $service) {
313	8	$services[] = $this->get($service);
314		}
315		}
316
317	9	return $services;
318		}
319
320		/**
321		* @param string $id
322		*
323		* @throws InvalidConfigException
324		* @throws NotFoundException
325		*
326		* @return mixed\|object
327		*/
328	83	private function buildInternal(string $id)
329		{
330	83	if (!isset($this->definitions[$id])) {
331	50	return $this->buildPrimitive($id);
332		}
333	81	$definition = DefinitionNormalizer::normalize($this->definitions[$id], $id);
334		/** @psalm-suppress RedundantPropertyInitializationCheck */
335	81	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
336
337	81	return $definition->resolve($this->dependencyResolver);
338		}
339
340		/**
341		* @param string $class
342		*
343		* @throws InvalidConfigException
344		* @throws NotFoundException
345		*
346		* @return mixed\|object
347		*/
348	50	private function buildPrimitive(string $class)
349		{
350	50	if (class_exists($class)) {
351	48	$definition = ArrayDefinition::fromPreparedData($class);
352		/** @psalm-suppress RedundantPropertyInitializationCheck */
353	48	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
354
355	48	return $definition->resolve($this->dependencyResolver);
356		}
357
358	5	throw new NotFoundException($class);
359		}
360
361	89	private function addProviders(array $providers): void
362		{
363	89	$extensions = [];
364	89	foreach ($providers as $provider) {
365	5	$providerInstance = $this->buildProvider($provider);
366	5	$extensions[] = $providerInstance->getExtensions();
367	5	$this->addProviderDefinitions($providerInstance);
368		}
369
370	89	foreach ($extensions as $providerExtensions) {
371	5	foreach ($providerExtensions as $id => $extension) {
372	4	if (!isset($this->definitions[$id])) {
373	1	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
374		}
375
376	3	if (!$this->definitions[$id] instanceof ExtensibleService) {
377	3	$this->definitions[$id] = new ExtensibleService($this->definitions[$id]);
378		}
379
380	3	$this->definitions[$id]->addExtension($extension);
381		}
382		}
383	88	}
384
385		/**
386		* Adds service provider definitions to the container.
387		*
388		* @param object $provider
389		*
390		* @throws InvalidConfigException
391		* @throws NotInstantiableException
392		*
393		* @see ServiceProviderInterface
394		*/
395	5	private function addProviderDefinitions($provider): void
396		{
397	5	$definitions = $provider->getDefinitions();
398	5	$this->setMultiple($definitions);
399	5	}
400
401		/**
402		* Builds service provider by definition.
403		*
404		* @param mixed $provider Class name or instance of provider.
405		*
406		* @throws InvalidConfigException If provider argument is not valid.
407		*
408		* @return ServiceProviderInterface Instance of service provider.
409		*
410		* @psalm-suppress MoreSpecificReturnType
411		*/
412	5	private function buildProvider($provider): ServiceProviderInterface
413		{
414	5	if ($this->validate && !(is_string($provider) \|\| is_object($provider) && $provider instanceof ServiceProviderInterface)) {
415		throw new InvalidConfigException(
416		sprintf(
417		'Service provider should be a class name or an instance of %s. %s given.',
418		ServiceProviderInterface::class,
419		$this->getVariableType($provider)
420		)
421		);
422		}
423
424	5	$providerInstance = is_object($provider) ? $provider : new $provider();
425	5	if (!$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		* @psalm-suppress LessSpecificReturnStatement
437		*/
438	5	return $providerInstance;
439		}
440
441		/**
442		* @param mixed $variable
443		*/
444	1	private function getVariableType($variable): string
445		{
446	1	if (is_object($variable)) {
447		return get_class($variable);
448		}
449
450	1	return gettype($variable);
451		}
452		}
453

yiisoft / di

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Container::buildProvider() B

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