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<?php |
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declare(strict_types=1); |
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namespace League\Container; |
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use League\Container\Argument\{ArgumentResolverInterface, ArgumentResolverTrait}; |
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use League\Container\Exception\ContainerException; |
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use League\Container\Exception\NotFoundException; |
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use Psr\Container\ContainerInterface; |
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use ReflectionClass; |
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use ReflectionFunction; |
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use ReflectionMethod; |
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class ReflectionContainer implements ArgumentResolverInterface, ContainerInterface |
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{ |
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use ArgumentResolverTrait; |
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use ContainerAwareTrait; |
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/** |
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* @var boolean |
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*/ |
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protected $cacheResolutions; |
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/** |
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* @var array |
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*/ |
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protected $cache = []; |
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public function __construct(bool $cacheResolutions = false) |
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{ |
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$this->cacheResolutions = $cacheResolutions; |
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} |
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public function get($id, array $args = []) |
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{ |
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if ($this->cacheResolutions === true && array_key_exists($id, $this->cache)) { |
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return $this->cache[$id]; |
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} |
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if (!$this->has($id)) { |
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throw new NotFoundException( |
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sprintf('Alias (%s) is not an existing class and therefore cannot be resolved', $id) |
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); |
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} |
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$reflector = new ReflectionClass($id); |
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$construct = $reflector->getConstructor(); |
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if ($construct && !$construct->isPublic()) { |
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throw new NotFoundException( |
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sprintf('Alias (%s) has a non-public constructor and therefore cannot be instantiated', $id) |
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); |
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} |
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$resolution = $construct === null |
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? new $id() |
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: $reflector->newInstanceArgs($this->reflectArguments($construct, $args)) |
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; |
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if ($this->cacheResolutions === true) { |
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$this->cache[$id] = $resolution; |
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} |
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return $resolution; |
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} |
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public function has($id): bool |
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{ |
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return class_exists($id); |
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} |
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public function call(callable $callable, array $args = []) |
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{ |
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if (is_string($callable) && strpos($callable, '::') !== false) { |
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$callable = explode('::', $callable); |
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} |
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if (is_array($callable)) { |
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if (is_string($callable[0])) { |
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// if we have a definition container, try that first, otherwise, reflect |
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try { |
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$callable[0] = $this->getContainer()->get($callable[0]); |
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} catch (ContainerException $e) { |
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$callable[0] = $this->get($callable[0]); |
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} |
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} |
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$reflection = new ReflectionMethod($callable[0], $callable[1]); |
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if ($reflection->isStatic()) { |
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$callable[0] = null; |
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} |
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return $reflection->invokeArgs($callable[0], $this->reflectArguments($reflection, $args)); |
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} |
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if (is_object($callable)) { |
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$reflection = new ReflectionMethod($callable, '__invoke'); |
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return $reflection->invokeArgs($callable, $this->reflectArguments($reflection, $args)); |
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} |
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$reflection = new ReflectionFunction(\Closure::fromCallable($callable)); |
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return $reflection->invokeArgs($this->reflectArguments($reflection, $args)); |
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} |
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} |
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thephpleague /
container
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