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<?php |
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/** |
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* GpsLab component. |
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* |
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* @author Peter Gribanov <[email protected]> |
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* @copyright Copyright (c) 2017, Peter Gribanov |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace GpsLab\Component\Enum\Bench\Compare\Operation; |
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use GpsLab\Component\Enum\Bench\Compare\CompareEnumBench; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\AbcExp; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\AbcRef; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\DefRef; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcHappyTypes; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcMarcMabe; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\AbcMyClabs; |
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use GpsLab\Component\Enum\Tests\Fixture\Enum\Rival\DefMarcMabe; |
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use PhpBench\Benchmark\Metadata\Annotations\Iterations; |
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use PhpBench\Benchmark\Metadata\Annotations\Revs; |
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/** |
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* @Revs(2500) |
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* @Iterations(25) |
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*/ |
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class CompareToStringEnumBench implements CompareEnumBench |
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{ |
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public function benchReflectionEnum() |
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{ |
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$a = (string) AbcRef::A(); |
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} |
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public function benchReflectionEnumNoMagic() |
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{ |
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$d = (string) DefRef::byValue(DefRef::D); |
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} |
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public function benchExplicitEnum() |
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{ |
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$a = (string) AbcExp::byValue(AbcExp::A); |
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} |
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public function benchMyCLabsEnum() |
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{ |
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$a = (string) AbcMyClabs::A(); |
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} |
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public function benchMabeEnum() |
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{ |
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$a = (string) AbcMarcMabe::A(); |
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} |
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public function benchMabeNoMagicEnum() |
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{ |
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$d = (string) DefMarcMabe::byValue(DefMarcMabe::D); |
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} |
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public function benchHappyTypesEnum() |
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{ |
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$a = (string) AbcHappyTypes::A(); |
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} |
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} |
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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.