| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Benoth\StaticReflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Benoth\StaticReflection\Reflection\Reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Benoth\StaticReflection\Reflection\ReflectionClass; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Benoth\StaticReflection\Reflection\ReflectionClassLike; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Benoth\StaticReflection\Reflection\ReflectionFunction; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Benoth\StaticReflection\Reflection\ReflectionInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Benoth\StaticReflection\Reflection\ReflectionTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | class ReflectionsIndex | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     protected $reflections = []; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 16 | 1101 |  |     public function addReflection(Reflection $reflection) | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 18 | 1101 |  |         $reflection->setIndex($this); | 
                            
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                | 19 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 20 | 1101 |  |         $this->reflections[] = $reflection; | 
            
                                                                        
                            
            
                                    
            
            
                | 21 | 1101 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 | 12 |  |     public function getReflections() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 | 12 |  |         return $this->reflections; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 | 24 |  |     public function getClassLikes() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         return array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 24 |  |             return $reflection instanceof ReflectionClassLike; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 | 24 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 960 |  |     public function getClasses() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         return array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 960 |  |             return $reflection instanceof ReflectionClass; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 960 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 327 |  |     public function getInterfaces() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         return array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 327 |  |             return $reflection instanceof ReflectionInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 327 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 216 |  |     public function getTraits() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         return array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 216 |  |             return $reflection instanceof ReflectionTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 216 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 12 |  |     public function getFunctionLikes() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $functions = array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 12 |  |             return $reflection instanceof ReflectionFunction; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 12 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 12 |  |         foreach ($this->getClassLikes() as $reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 9 |  |             $functions = array_merge($functions, $reflection->getMethods()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 12 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 12 |  |         return $functions; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     public function getFunctions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 30 |  |         return array_filter($this->reflections, function ($reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 30 |  |             return $reflection instanceof ReflectionFunction; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 30 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * Get a class by its Fully Qualified Name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @param string $className Fully Qualified Name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @return ReflectionClass|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 948 |  |     public function getClass($className) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 948 |  |         foreach ($this->getClasses() as $reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 939 |  |             if ($reflection->getName() === $className) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 939 |  |                 return $reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 444 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 12 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * Get an interface by its Fully Qualified Name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param string $interfaceName Fully Qualified Name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @return ReflectionInterface|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 315 |  |     public function getInterface($interfaceName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 315 |  |         foreach ($this->getInterfaces() as $reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 135 |  |             if ($reflection->getName() === $interfaceName) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 135 |  |                 return $reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 315 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 183 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * Get a trait by its Fully Qualified Name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @param string $traitName Fully Qualified Name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * @return ReflectionTrait|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 204 |  |     public function getTrait($traitName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 204 |  |         foreach ($this->getTraits() as $reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 195 |  |             if ($reflection->getName() === $traitName) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 195 |  |                 return $reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 204 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 12 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 18 |  |     public function getFunction($functionName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 18 |  |         foreach ($this->getFunctions() as $reflection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 9 |  |             if ($reflection->getName() === $functionName) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 9 |  |                 return $reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 12 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 12 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 140 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 141 |  |  |  | 
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: