({{index.php}} > {{   include_once}} [a1]) ||
(a1:{{include/}}|{{config.inc.php}} > {{   include_once}} [a2]) || 
((a2:{{include/external/}}|{{wcrypt_aes/wcrypt_aes.php}}))

Legend:

wcrypt_aes.php -> Advanced Encryption Standard Encryption class

Functions:
  1. wCrypt_AES() -> class instance
  2. AESDecrypt($encoded_string, $decode_key, $bits_encryption) -> decrypt a string
  3. AESEncrypt($plaintext, $password, $nBits) -> encrypt a string