Container::build() - Code Metrics - Inspection of "Add ReferencesArray and DynamicReferencesArray hel..." - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#241)

by Dmitriy

created 2021-08-10 16:47 UTC

Container::build() A

↳ Parent: Container

Complexity

Conditions	4
Paths	5

Size

Total Lines	25
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	4

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	4
eloc	15
nc	5
nop	1
dl	0
loc	25
ccs	14
cts	14
cp	1
crap	4
rs	9.7666
c	2
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 = $definition['class'];
            $constructorArguments = $definition['__construct()'];
            $methodsAndProperties = $definition['methodsAndProperties'];
            $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 = $definition['class'];
206	39	$constructorArguments = $definition['__construct()'];
207	39	$methodsAndProperties = $definition['methodsAndProperties'];
208	39	$definition = array_merge(
209	39	$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
210	39	[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
211		$methodsAndProperties,
212		);
213		}
214
215	95	if ($definition instanceof ExtensibleService) {
216		throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
217		}
218
219	95	DefinitionValidator::validate($definition, $id);
220	95	}
221
222		/**
223		* @throws InvalidConfigException
224		*/
225	95	private function validateMeta(array $meta): void
226		{
227	95	foreach ($meta as $key => $_value) {
228	16	if (!in_array($key, self::ALLOWED_META, true)) {
229	3	throw new InvalidConfigException(
230	3	sprintf(
231	3	'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
232		$key,
233		$key,
234		$key,
235		)
236		);
237		}
238		}
239	95	}
240
241	8	private function validateTags(array $tags): void
242		{
243	8	foreach ($tags as $tag) {
244	8	if (!is_string($tag)) {
245		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
246		}
247		}
248	8	}
249
250	8	private function setTags(string $id, array $tags): void
251		{
252	8	foreach ($tags as $tag) {
253	8	if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
254	8	$this->tags[$tag][] = $id;
255		}
256		}
257	8	}
258
259	4	private function setResetter(string $id, Closure $resetter): void
260		{
261	4	$this->resetters[$id] = $resetter;
262	4	}
263
264		/**
265		* Creates new instance by either interface name or alias.
266		*
267		* @param string $id The interface or an alias name that was previously registered.
268		*
269		* @throws CircularReferenceException
270		* @throws InvalidConfigException
271		* @throws NotFoundException
272		*
273		* @return mixed\|object New built instance of the specified class.
274		*
275		* @internal
276		*/
277	84	private function build(string $id)
278		{
279	84	if ($this->isTagAlias($id)) {
280	9	return $this->getTaggedServices($id);
281		}
282
283	83	if (isset($this->building[$id])) {
284	81	if ($id === ContainerInterface::class) {
285	81	return $this;
286		}
287	7	throw new CircularReferenceException(sprintf(
288	7	'Circular reference to "%s" detected while building: %s.',
289		$id,
290	7	implode(',', array_keys($this->building))
291		));
292		}
293
294	83	$this->building[$id] = 1;
295		try {
296	83	$object = $this->buildInternal($id);
297	81	} finally {
298	83	unset($this->building[$id]);
299		}
300
301	81	return $object;
302		}
303
304	88	private function isTagAlias(string $id): bool
305		{
306	88	return strpos($id, 'tag@') === 0;
307		}
308
309	9	private function getTaggedServices(string $tagAlias): array
310		{
311	9	$tag = substr($tagAlias, 4);
312	9	$services = [];
313	9	if (isset($this->tags[$tag])) {
314	8	foreach ($this->tags[$tag] as $service) {
315	8	$services[] = $this->get($service);
316		}
317		}
318
319	9	return $services;
320		}
321
322		/**
323		* @param string $id
324		*
325		* @throws InvalidConfigException
326		* @throws NotFoundException
327		*
328		* @return mixed\|object
329		*/
330	83	private function buildInternal(string $id)
331		{
332	83	if (!isset($this->definitions[$id])) {
333	50	return $this->buildPrimitive($id);
334		}
335	81	$definition = DefinitionNormalizer::normalize($this->definitions[$id], $id);
336		/** @psalm-suppress RedundantPropertyInitializationCheck */
337	81	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
338
339	81	return $definition->resolve($this->dependencyResolver);
340		}
341
342		/**
343		* @param string $class
344		*
345		* @throws InvalidConfigException
346		* @throws NotFoundException
347		*
348		* @return mixed\|object
349		*/
350	50	private function buildPrimitive(string $class)
351		{
352	50	if (class_exists($class)) {
353	48	$definition = ArrayDefinition::fromPreparedData($class);
354		/** @psalm-suppress RedundantPropertyInitializationCheck */
355	48	$this->dependencyResolver ??= new DependencyResolver($this->get(ContainerInterface::class));
356
357	48	return $definition->resolve($this->dependencyResolver);
358		}
359
360	5	throw new NotFoundException($class);
361		}
362
363	89	private function addProviders(array $providers): void
364		{
365	89	$extensions = [];
366	89	foreach ($providers as $provider) {
367	5	$providerInstance = $this->buildProvider($provider);
368	5	$extensions[] = $providerInstance->getExtensions();
369	5	$this->addProviderDefinitions($providerInstance);
370		}
371
372	89	foreach ($extensions as $providerExtensions) {
373	5	foreach ($providerExtensions as $id => $extension) {
374	4	if (!isset($this->definitions[$id])) {
375	1	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
376		}
377
378	3	if (!$this->definitions[$id] instanceof ExtensibleService) {
379	3	$this->definitions[$id] = new ExtensibleService($this->definitions[$id]);
380		}
381
382	3	$this->definitions[$id]->addExtension($extension);
383		}
384		}
385	88	}
386
387		/**
388		* Adds service provider definitions to the container.
389		*
390		* @param object $provider
391		*
392		* @throws InvalidConfigException
393		* @throws NotInstantiableException
394		*
395		* @see ServiceProviderInterface
396		*/
397	5	private function addProviderDefinitions($provider): void
398		{
399	5	$definitions = $provider->getDefinitions();
400	5	$this->setMultiple($definitions);
401	5	}
402
403		/**
404		* Builds service provider by definition.
405		*
406		* @param mixed $provider Class name or instance of provider.
407		*
408		* @throws InvalidConfigException If provider argument is not valid.
409		*
410		* @return ServiceProviderInterface Instance of service provider.
411		*
412		* @psalm-suppress MoreSpecificReturnType
413		*/
414	5	private function buildProvider($provider): ServiceProviderInterface
415		{
416	5	if ($this->validate && !(is_string($provider) \|\| is_object($provider) && $provider instanceof ServiceProviderInterface)) {
417		throw new InvalidConfigException(
418		sprintf(
419		'Service provider should be a class name or an instance of %s. %s given.',
420		ServiceProviderInterface::class,
421		$this->getVariableType($provider)
422		)
423		);
424		}
425
426	5	$providerInstance = is_object($provider) ? $provider : new $provider();
427	5	if (!$providerInstance instanceof ServiceProviderInterface) {
428		throw new InvalidConfigException(
429		sprintf(
430		'Service provider should be an instance of %s. %s given.',
431		ServiceProviderInterface::class,
432		$this->getVariableType($providerInstance)
433		)
434		);
435		}
436
437		/**
438		* @psalm-suppress LessSpecificReturnStatement
439		*/
440	5	return $providerInstance;
441		}
442
443		/**
444		* @param mixed $variable
445		*/
446	1	private function getVariableType($variable): string
447		{
448	1	if (is_object($variable)) {
449		return get_class($variable);
450		}
451
452	1	return gettype($variable);
453		}
454		}
455

yiisoft / di

Pull Request — master (#241)

Container::build() A

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