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run code in 200+ php & hhvm versions
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<?php $plaintext = "\x04\x03\x02\x01\x00\x00\x00"; $ciphertext = mcrypt_encrypt( MCRYPT_RIJNDAEL_128, "YELLOW SUBMARINE", $plaintext, MCRYPT_MODE_ECB ); $decrypted = trim( mcrypt_decrypt( MCRYPT_RIJNDAEL_128, "YELLOW SUBMARINE", $ciphertext, MCRYPT_MODE_ECB ) ); var_dump([ bin2hex($plaintext), bin2hex($decrypted) ]); var_dump([ mb_strlen($plaintext, '8bit'), mb_strlen($decrypted, '8bit') ]);
based on ZTkDQ
Output for 7.0.6 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /in/bSoNu:4 Stack trace: #0 {main} thrown in /in/bSoNu on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.34, 5.6.0 - 5.6.20, 7.0.0 - 7.0.5
array(2) { [0]=> string(14) "04030201000000" [1]=> string(8) "04030201" } array(2) { [0]=> int(7) [1]=> int(4) }
Output for 5.5.35 - 5.5.36, 5.6.21 - 5.6.28
Fatal error: Call to undefined function mcrypt_encrypt() in /in/bSoNu on line 4
Process exited with code 255.