src/Util/Utf8String.php
public function offsetExists($offset)
    {
        if (!\is_int($offset)) {
            return false;
        }

        $len = $this->count();

        return $offset >= -$len && $offset < $len;
    }
public function offsetExists($offset)
    {
        if (!\is_int($offset)) {
            return false;
        }

        $len = $this->count();

        return $offset >= -$len && $offset < $len;
    }
public function offsetExists ( $ offset ) { if ( ! \ is_int ( $ offset ) ) { return false ; } $ len = $ this -> count ( ) ; return $ offset >= - $ len && $ offset < $ len ; }
Check if a specific offset exists.

@return  bool
Check if a specific offset exists .