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<?php |
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declare(strict_types=1); |
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namespace Cekta\DI; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionMethod; |
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class Reflection |
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{ |
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private $instantiable = []; |
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private $dependencies = []; |
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private $variadic = []; |
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/** |
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* @param string $name |
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* @return array<string> |
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* @internal |
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*/ |
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public function getDependencies(string $name): array |
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{ |
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if (!array_key_exists($name, $this->dependencies)) { |
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$this->load($name); |
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} |
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return $this->dependencies[$name]; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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* @internal |
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*/ |
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public function isVariadic(string $name): bool |
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{ |
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if (!array_key_exists($name, $this->variadic)) { |
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$this->load($name); |
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} |
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return $this->variadic[$name]; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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* @internal |
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*/ |
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public function isInstantiable(string $name): bool |
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{ |
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if (!array_key_exists($name, $this->instantiable)) { |
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$this->load($name); |
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} |
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return $this->instantiable[$name]; |
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} |
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private function load(string $name): void |
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{ |
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try { |
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$class = new ReflectionClass($name); |
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$this->instantiable[$name] = $class->isInstantiable(); |
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$params = self::getMethodParameters($class->getConstructor()); |
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$this->variadic[$name] = $params[0]; |
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$this->dependencies[$name] = $params[1]; |
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} catch (ReflectionException $exception) { |
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$this->dependencies[$name] = []; |
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$this->instantiable[$name] = false; |
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$this->variadic[$name] = false; |
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} |
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} |
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private static function getMethodParameters(?ReflectionMethod $method): array |
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{ |
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$variadic = false; |
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$parameters = []; |
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if ($method !== null) { |
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foreach ($method->getParameters() as $parameter) { |
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$variadic = $parameter->isVariadic(); |
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$class = $parameter->getClass(); |
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$parameters[] = $class && $variadic !== true ? $class->name : $parameter->name; |
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} |
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} |
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return [$variadic, $parameters]; |
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} |
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} |
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cekta /
di
