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<?php $key = 'aldanux'; $string = 'string to be encrypted'; $encrypted = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5($key), $string, MCRYPT_MODE_CBC, md5(md5($key)))); var_dump($encrypted); var_dump($decrypted);

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40.33 ms | 402 KiB | 5 Q