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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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declare(strict_types=1);
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namespace Faker\Core;
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use Faker\Extension;
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/**
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 * @experimental This class is experimental and does not fall under our BC promise
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 */
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final class Blood implements Extension\BloodExtension
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{
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    /**
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     * @var string[]
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     */
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    private $bloodTypes = ['A', 'AB', 'B', 'O'];
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    /**
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     * @var string[]
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     */
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    private $bloodRhFactors = ['+', '-'];
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    public function bloodType(): string
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    {
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        return Extension\Helper::randomElement($this->bloodTypes);
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    }
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    public function bloodRh(): string
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    {
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        return Extension\Helper::randomElement($this->bloodRhFactors);
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    }
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    public function bloodGroup(): string
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    {
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        return sprintf(
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            '%s%s',
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            $this->bloodType(),
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            $this->bloodRh(),
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        );
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    }
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}