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Final Class Yiisoft\Definitions\Helpers\DefinitionExtractor

All Classes | Methods
InheritanceYiisoft\Definitions\Helpers\DefinitionExtractor

This class extracts dependency definitions from type hints of a function or a class constructor parameters.

Note that service names need not match the parameter names, parameter names are ignored.

Public Methods

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Method Description Defined By
fromClassName() Extract dependency definitions from type hints of a class constructor parameters. Yiisoft\Definitions\Helpers\DefinitionExtractor
fromFunction() Extract dependency definitions from type hints of a function. Yiisoft\Definitions\Helpers\DefinitionExtractor

Method Details

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fromClassName() public static method

Extract dependency definitions from type hints of a class constructor parameters.

public static Yiisoft\Definitions\ParameterDefinition[] fromClassName ( string $class )
$class string
throws Yiisoft\Definitions\Exception\NotInstantiableException 

                public static function fromClassName(string $class): array
{
    if (isset(self::$dependencies[$class])) {
        return self::$dependencies[$class];
    }
    try {
        $reflectionClass = new ReflectionClass($class);
    } catch (ReflectionException) {
        throw new NotInstantiableClassException($class);
    }
    if (!$reflectionClass->isInstantiable()) {
        throw new NotInstantiableClassException($class);
    }
    $constructor = $reflectionClass->getConstructor();
    $dependencies = $constructor === null ? [] : self::fromFunction($constructor);
    self::$dependencies[$class] = $dependencies;
    return $dependencies;
}
fromFunction() public static method

Extract dependency definitions from type hints of a function.

public static Yiisoft\Definitions\ParameterDefinition[] fromFunction ( ReflectionFunctionAbstract $reflectionFunction )
$reflectionFunction ReflectionFunctionAbstract 

                public static function fromFunction(ReflectionFunctionAbstract $reflectionFunction): array
{
    $result = [];
    foreach ($reflectionFunction->getParameters() as $parameter) {
        $result[$parameter->getName()] = new ParameterDefinition($parameter);
    }
    return $result;
}