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PHPで名前のマスキングをする

Posted at

環境

  • php:8.1

対象

  • 名前のマスキングをしたい人

対応

今回は以下のような関数を作りました

Controller.php
    private function nameMasking(string $value)
    {
        // 正規表現を使用して文字列から空白(半角スペースと全角スペース)を取り除く(名前と苗字にスペースがあると綺麗にマスキングされないため)
        $stringValue  = preg_replace("/( | )/", "", $value);
        // 文字列を配列化
        $arr = mb_str_split($stringValue);
        $itemCount = 1;
        $replaceValue = '';
        foreach ($arr as $item) {
            if ($itemCount % 2 === 0) {
                // 偶数文字目だったら●に置き換え
                $replaceValue = $replaceValue . '●';
            } else {
                // 奇数文字目だったらそのまま
                $replaceValue = $replaceValue . $item;
            }
            $itemCount++;
        }

        return $replaceValue;
    }
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