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PHPでNullバイトアタック対策

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 新年初めてのコード書き始めを行っていて。とりあえず、PHPのNullチェックを作ってみた

class Secure {
	// Null Byte Check.
	public function sanitizer($arr) {
		array_walk_recursive($arr, function($val, $key) {
			if (preg_match('/\0/', $val) === 1) {
				// エラー処理.
			}
		});
	}
}

 良くある、array_mapのルーチンよりかはスマートかと。「Nullバイトがあるデータがあるのが変なので、そのデータは弾け」おじさんが居たので、そう実装してみました。手動で簡単なテストもしてます

 今年も、よろしくお願いします:blush:

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