| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Benoth\StaticReflection\Reflection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | abstract class Reflection implements \Reflector | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |     const IS_STATIC            = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |     const IS_ABSTRACT          = 2; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     const IS_FINAL             = 4; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     const IS_IMPLICIT_ABSTRACT = 16; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |     const IS_EXPLICIT_ABSTRACT = 32; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     const IS_PUBLIC            = 256; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     const IS_PROTECTED         = 512; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     const IS_PRIVATE           = 1024; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     const IS_DEPRECATED        = 262144; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      * @type string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     protected $name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @type string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     protected $fileName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @type int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     protected $startLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @type int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     protected $endLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * Constructs a new Reflection object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @param string $name The fully qualified name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 1101 |  |     public function __construct($name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 1101 |  |         $this->name = $name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 1101 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * Gets the fully qualified entity name (with the namespace). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 963 |  |     public function getName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 963 |  |         return $this->name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * Gets the short name of the entity (without the namespace). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1101 |  |     public function getShortName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1101 |  |         $parts = explode('\\', $this->name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 1101 |  |         return end($parts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * Gets the namespace name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 12 |  |     public function getNamespaceName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 12 |  |         $parts = explode('\\', $this->name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 12 |  |         array_pop($parts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 12 |  |         return implode('\\', $parts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * Checks if this entity is defined in a namespace. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 6 |  |     public function inNamespace() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 6 |  |         return strlen($this->getNamespaceName()) > 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * Gets the filename of the file in which the class has been defined. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 1065 |  |     public function getFileName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 1065 |  |         return $this->fileName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |      * Get the starting line number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 6 |  |     public function getStartLine() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 6 |  |         return $this->startLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * Get the ending line number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     public function getEndLine() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         return $this->endLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * Gets a ReflectionExtension object for the extension which defined the entity. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * @return \ReflectionExtension|null Null for user defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     public function getExtension() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * Gets the name of the extension which defined the entity. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * @return string|bool Extension name or false for user defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |     public function getExtensionName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      * Returns a bitfield of the access modifiers for this class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |      * @return int Bitmask of modifier constants | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 12 |  |     public function getModifiers() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 12 |  |         $modifiers = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 12 |  |         if (method_exists($this, 'isStatic') && $this->isStatic()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 152 | 6 |  |             $modifiers |= static::IS_STATIC; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 | 12 |  |         if (method_exists($this, 'isAbstract') && $this->isAbstract()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 155 | 6 |  |             $modifiers |= static::IS_ABSTRACT; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 | 12 |  |         if (method_exists($this, 'isFinal') && $this->isFinal()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 158 | 6 |  |             $modifiers |= static::IS_FINAL; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 12 |  |         if (method_exists($this, 'isPublic') && $this->isPublic()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 162 | 12 |  |             $modifiers |= static::IS_PUBLIC; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 12 |  |         } elseif (method_exists($this, 'isProtected') && $this->isProtected()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 164 | 12 |  |             $modifiers |= static::IS_PROTECTED; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 12 |  |         } elseif (method_exists($this, 'isPrivate') && $this->isPrivate()) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 166 | 6 |  |             $modifiers |= static::IS_PRIVATE; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 12 |  |         return $modifiers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |      * Returns the string representation of the Reflection object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |     public function __toString() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         return static::export($this, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * Exports a reflected class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      * @param \Reflector $argument The reflection to export. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |      * @param bool       $return   Setting to true will return the export, otherwise will emitt it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |      * @return string|void | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 189 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 190 |  |  |     public static function export(\Reflector $argument, $return = false) | 
            
                                                                        
                            
            
                                    
            
            
                | 191 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 192 |  |  |         // @todo Implement export() | 
            
                                                                        
                            
            
                                    
            
            
                | 193 |  |  |         // @see https://github.com/Roave/BetterReflection/blob/f8adf4865fa635166cf91a544882deab0cf5b7e6/src/Reflection/ReflectionClass.php#L96 | 
            
                                                                        
                            
            
                                    
            
            
                | 194 |  |  |         throw new \ReflectionException('Not implemented yet'); | 
            
                                                                        
                            
            
                                    
            
            
                | 195 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * Gets modifiers names. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      * @param int $modifiers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |      * @return array An array of modifier names | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 6 |  |     public static function getModifierNames($modifiers) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 6 |  |         $isAbstract         = ($modifiers & static::IS_ABSTRACT) === static::IS_ABSTRACT; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 6 |  |         $isFinal            = ($modifiers & static::IS_FINAL) === static::IS_FINAL; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 | 6 |  |         $isStatic           = ($modifiers & static::IS_STATIC) === static::IS_STATIC; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 6 |  |         $isExplicitAbstract = ($modifiers & static::IS_EXPLICIT_ABSTRACT) === static::IS_EXPLICIT_ABSTRACT; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 6 |  |         $isPublic           = ($modifiers & static::IS_PUBLIC) === static::IS_PUBLIC; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 | 6 |  |         $isProtected        = ($modifiers & static::IS_PROTECTED) === static::IS_PROTECTED; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 | 6 |  |         $isPrivate          = ($modifiers & static::IS_PRIVATE) === static::IS_PRIVATE; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 | 6 |  |         $returns = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 6 |  |         if ($isAbstract) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 3 |  |             $returns[] = 'abstract'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 | 6 |  |         if ($isFinal) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 3 |  |             $returns[] = 'final'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 6 |  |         if ($isStatic) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 3 |  |             $returns[] = 'static'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 | 6 |  |         if ($isExplicitAbstract) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |             $returns[] = 'abstract'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 | 6 |  |         if ($isPublic && !$isProtected && !$isPrivate) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 | 6 |  |             $returns[] = 'public'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 | 6 |  |         if (!$isPublic && $isProtected && !$isPrivate) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 6 |  |             $returns[] = 'protected'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 | 6 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 | 6 |  |         if (!$isPublic && !$isProtected && $isPrivate) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 | 3 |  |             $returns[] = 'private'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 | 6 |  |         return array_unique($returns); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |      * Sets the filename of the file in which the class has been defined. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |      * @internal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |      * @param string $fileName | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 | 1101 |  |     public function setFilename($fileName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 | 1101 |  |         $this->fileName = $fileName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 | 1101 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      * Set the starting line number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |      * @internal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |      * @param int $startLine | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 | 1101 |  |     public function setStartLine($startLine) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 | 1101 |  |         $this->startLine = $startLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 | 1101 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      * Set the starting line number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |      * @internal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |      * @param int $endLine | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 | 1101 |  |     public function setEndLine($endLine) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 | 1101 |  |         $this->endLine = $endLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 | 1101 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 287 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 288 |  |  |  | 
            
                        
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: