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<?php var_dump( mcrypt_get_key_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC );

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30.21 ms | 402 KiB | 5 Q