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2022 年 4 月 17 日1700

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杩欓」鍔熻兘瑕佸湪鍚庡彴寮鍚 email address obfuscation

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function deCFEmail($encode){$k = hexdec(substr($encode,0,2));for($i=2, $m=''; $i < strlen($encode) - 1; $i += 2){$m.=chr(hexdec(substr($encode, $i, 2))^$k);}return $m;}echo deCFEmail("30515253705152531e535f5d")."\n";

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function encodeEmail($email, $key=0) {$chars = str_split($email);$string = '';$key = $key ? $key : rand(10, 99);foreach ($chars as $value) {$string .= sprintf("%02s", dechex(ord($value)^$key));}return dechex($key).$string;}

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