| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Phoole (PHP7.2+) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @category  Library | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @package   Phoole\Base | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright Copyright (c) 2019 Hong Zhang | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace Phoole\Base\Reflect; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * ParameterTrait | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * try get parameters of the callable / constructor etc. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * @package Phoole\Base | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | trait ParameterTrait | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * Get class/object constructor parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @param  string|object $class  class name or object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * @return \ReflectionParameter[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @throws \InvalidArgumentException if something goes wrong | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 29 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |     protected function getConstructorParameters($class): array | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |             $reflector = new \ReflectionClass($class); | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |             $constructor = $reflector->getConstructor(); | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  |             return is_null($constructor) ? [] : $constructor->getParameters(); | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  |         } catch (\Throwable $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |             throw new \InvalidArgumentException($e->getMessage()); | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * Get callable parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @param  callable $callable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @return \ReflectionParameter[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @throws \InvalidArgumentException if something goes wrong | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     protected function getCallableParameters(callable $callable): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             if (is_array($callable)) { // [class, method] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |                 $reflector = new \ReflectionClass($callable[0]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |                 $method = $reflector->getMethod($callable[1]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             } elseif (is_string($callable) || $callable instanceof \Closure) { // function | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |                 $method = new \ReflectionFunction($callable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |             } else { // __invokable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |                 $reflector = new \ReflectionClass($callable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |                 $method = $reflector->getMethod('__invoke'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } catch (\Throwable $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             throw new \InvalidArgumentException($e->getMessage()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         return $method->getParameters(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 65 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 66 |  |  |  |