/**
* Determines if a string contains a specified substring, searching case-insensitively.
*
* @param string $whatString The searched substring.
* @param int $startPos **OPTIONAL. Default is** `0`. The starting position for the search.
*
* @return bool `true` if the substring was found in the string, ignoring the letter case during the search, and
* `false` otherwise.
*/
public function findCi($whatString, $startPos = 0)
{
return CUString::findCi($this, $whatString, $startPos);
}
