| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * GpsLab component. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @author    Peter Gribanov <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @copyright Copyright (c) 2017, Peter Gribanov | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @license   http://opensource.org/licenses/MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | namespace GpsLab\Component\Enum\Bench\Compare; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\AbcExp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\AbcRef; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\DefRef; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcHappyTypes; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcMarcMabe; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcMyClabs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\DefMarcMabe; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use PhpBench\Benchmark\Metadata\Annotations\Iterations; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use PhpBench\Benchmark\Metadata\Annotations\Revs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * @Revs(2500) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * @Iterations(25) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class AllOperationCompareEnumBench implements CompareEnumBench | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | { | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 29 |  | View Code Duplication |     public function benchReflectionEnum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         $a = AbcRef::A(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         $a->equals(AbcRef::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         $b = AbcRef::B(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $b->equals(AbcRef::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         $c = AbcRef::C(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $z = (string) $c; | 
                            
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                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         AbcRef::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         AbcRef::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 44 |  | View Code Duplication |     public function benchReflectionEnumNoMagic() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         $d = DefRef::byValue(DefRef::D); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         $d->equals(DefRef::byValue(DefRef::D)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         $e = DefRef::byValue(DefRef::E); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         $e->equals(DefRef::byValue(DefRef::D)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         $f = DefRef::byValue(DefRef::F); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $z = (string) $f; | 
                            
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                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         DefRef::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         DefRef::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 59 |  | View Code Duplication |     public function benchExplicitEnum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         $a = AbcExp::byValue(AbcExp::A); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         $a->equals(AbcExp::byValue(AbcExp::A)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         $b = AbcExp::byValue(AbcExp::B); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         $b->equals(AbcExp::byValue(AbcExp::A)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $c = AbcExp::byValue(AbcExp::C); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         $e = (string) $c; | 
                            
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                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         AbcExp::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         AbcExp::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                        
                            
            
                                                                    
                                                                                                        
            
            
                | 74 |  | View Code Duplication |     public function benchMyCLabsEnum() | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |         $a = AbcMyClabs::A(); | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |         $a->equals(AbcMyClabs::A()); | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |         $b = AbcMyClabs::B(); | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |         $b->equals(AbcMyClabs::A()); | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |         $c = AbcMyClabs::C(); | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |         $z = (string) $c; | 
                            
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                | 84 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |         AbcMyClabs::choices(); | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |         AbcMyClabs::values(); | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 89 |  | View Code Duplication |     public function benchMabeEnum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         $a = AbcMarcMabe::A(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         $a->is(AbcMarcMabe::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         $b = AbcMarcMabe::B(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         $b->is(AbcMarcMabe::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         $c = AbcMarcMabe::C(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |         $z = (string) $c; | 
                            
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                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         AbcMarcMabe::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         AbcMarcMabe::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 104 |  | View Code Duplication |     public function benchMabeNoMagicEnum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         $d = DefMarcMabe::byValue(DefMarcMabe::D); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         $d->is(DefMarcMabe::byValue(DefMarcMabe::D)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         $e = DefMarcMabe::byValue(DefMarcMabe::E); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         $e->is(DefMarcMabe::byValue(DefMarcMabe::D)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         $f = DefMarcMabe::byValue(DefMarcMabe::F); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         $z = (string) $f; | 
                            
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                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         DefMarcMabe::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         DefMarcMabe::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 119 |  | View Code Duplication |     public function benchHappyTypesEnum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         $a = AbcHappyTypes::A(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         $a->equals(AbcHappyTypes::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         $b = AbcHappyTypes::B(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         $b->equals(AbcHappyTypes::A()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         $c = AbcHappyTypes::C(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |         $z = (string) $c; | 
                            
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                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |         AbcHappyTypes::choices(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |         AbcHappyTypes::values(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 133 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 134 |  |  |  | 
            
                        
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.