EllisLab/CodeIgniter — Issue #1141: CAPTCHA helper: current time calculation (minor thing)
Author: laxu
Created: 2012-03-07 14:30:10+00:00
State: open

Currently uses
```list($usec, $sec) = explode(" ", microtime());
$now = ((float)$usec + (float)$sec);```
Could just use
$now = microtime(TRUE);