Data encryption and decryption is nothing but just converting a plain text into something that appears to be random and meaningless and vice verse. Generally this encryption is opted by the developers to make the data secured like for password, URL, credit card numbers and so on. If you are using CodeIgniter than to encrypt the data becomes much more easier as compared to native PHP code. As C.I. provides its own encryption class which you can use to encrypt or decrypt the data. To initialize the encryption class one must have to load the library as shown below: [php]$this->load->library('encrypt');[/php]...
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