php intval的取值范围:与操作系统相关,32位系统上为-2147483648到2147483647,64位系统上为-9223372036854775808到9223372036854775807。 mysql int取值范围:与操作系统无关,为-2147483648到2881064151,无符号 ...……
This is how I would do it. Create a class to do encryption/decryption:
class cipher
{
private $securekey;
private $iv_size;
function __construct($textkey)
{
$this-amp;amp;gt; ...……