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<?php |
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|
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namespace Invoker\Reflection; |
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|
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use Invoker\Exception\NotCallableException; |
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|
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/** |
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* Create a reflection object from a callable. |
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* |
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* @author Matthieu Napoli <matthieu@mnapoli.fr> |
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*/ |
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class CallableReflection |
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{ |
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/** |
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* @param callable $callable |
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* |
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* @return \ReflectionFunctionAbstract |
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* |
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* @throws NotCallableException |
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* |
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* TODO Use the `callable` type-hint once support for PHP 5.4 and up. |
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*/ |
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public static function create($callable) |
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{ |
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// Closure |
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if ($callable instanceof \Closure) { |
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return new \ReflectionFunction($callable); |
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} |
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|
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// Array callable |
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if (is_array($callable)) { |
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list($class, $method) = $callable; |
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|
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if (! method_exists($class, $method)) { |
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throw NotCallableException::fromInvalidCallable($callable); |
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} |
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|
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return new \ReflectionMethod($class, $method); |
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} |
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|
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// Callable object (i.e. implementing __invoke()) |
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if (is_object($callable) && method_exists($callable, '__invoke')) { |
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return new \ReflectionMethod($callable, '__invoke'); |
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} |
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|
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// Callable class (i.e. implementing __invoke()) |
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if (is_string($callable) && class_exists($callable) && method_exists($callable, '__invoke')) { |
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return new \ReflectionMethod($callable, '__invoke'); |
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} |
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|
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// Standard function |
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if (is_string($callable) && function_exists($callable)) { |
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return new \ReflectionFunction($callable); |
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} |
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|
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throw new NotCallableException(sprintf( |
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'%s is not a callable', |
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is_string($callable) ? $callable : 'Instance of ' . get_class($callable) |
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)); |
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} |
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} |
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|
