design-patterns

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<?php
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namespace App\Creational\AbstractFactory\Classes;
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use App\Creational\AbstractFactory\Interfaces\CsvWriter;
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class WinCsvWriter implements CsvWriter
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{
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    /**
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     * @param array $line
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     *
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     * @return string
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     */
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    public function write(array $line): string
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    {
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        return join(',', $line) . "\r\n";
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    }
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}