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<?php $foobar = 'foobar'; $strIn = "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"; $strIn = pack('H*', $strIn); $foo = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $foobar, $strIn, MCRYPT_MODE_CBC, $foobar); var_dump($foo);

preferences:
37.48 ms | 402 KiB | 5 Q