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<?php function simple_encrypt($text, $salt = "earlysandwich.com") { return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $salt, $text, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)))); } // This function will be used to decrypt data. function simple_decrypt($text, $salt = "earlysandwich.com") { return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $salt, base64_decode($text), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))); } // Encrypt a tring and echo it $encoded = simple_encrypt("this text will be encoded and decoded" , "secured"); echo "This is encoded string: $encoded \n"; // Now to decode the encoded text $decoded = simple_decrypt($encoded , "secured"); echo "This is decoded string: $decoded \n";
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /in/jVHrO:5 Stack trace: #0 /in/jVHrO(14): simple_encrypt('this text will ...', 'secured') #1 {main} thrown in /in/jVHrO on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Call to undefined function mcrypt_encrypt() in /in/jVHrO on line 5
Process exited with code 255.

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