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run code in 150+ php & hhvm versions
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<?php $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $encryptedMessage = openssl_encrypt($textToEncrypt, $encryptionMethod, $secretHash, 0, $iv); $decryptedMessage = openssl_decrypt($encryptedMessage, $encryptionMethod, $secretHash, 0, $iv);
Output for 7.0.6 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function mcrypt_get_iv_size() in /in/GD81u:2 Stack trace: #0 {main} thrown in /in/GD81u on line 2
Process exited with code 255.
Output for 5.4.36 - 5.5.34, 5.6.7 - 5.6.20, 7.0.0 - 7.0.5
Notice: Undefined variable: textToEncrypt in /in/GD81u on line 4 Notice: Undefined variable: encryptionMethod in /in/GD81u on line 4 Notice: Undefined variable: secretHash in /in/GD81u on line 4 Warning: openssl_encrypt(): Unknown cipher algorithm in /in/GD81u on line 4 Notice: Undefined variable: encryptionMethod in /in/GD81u on line 5 Notice: Undefined variable: secretHash in /in/GD81u on line 5 Warning: openssl_decrypt(): Unknown cipher algorithm in /in/GD81u on line 5
Output for hhvm-3.12.0
Notice: Undefined variable: textToEncrypt in /in/GD81u on line 4 Notice: Undefined variable: encryptionMethod in /in/GD81u on line 4 Notice: Undefined variable: secretHash in /in/GD81u on line 4 Warning: Unknown cipher algorithm in /in/GD81u on line 4 Notice: Undefined variable: encryptionMethod in /in/GD81u on line 5 Notice: Undefined variable: secretHash in /in/GD81u on line 5 Warning: Unknown cipher algorithm in /in/GD81u on line 5
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.4.35, 5.5.35, 5.6.21 - 5.6.28
Fatal error: Call to undefined function mcrypt_get_iv_size() in /in/GD81u on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: mcrypt_get_iv_size() in /in/GD81u on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: mcrypt_get_iv_size() in /in/GD81u on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mcrypt_get_iv_size() in /in/GD81u on line 2