public function increment($increment = 1) {
		$this->_current = min($this->_total, $this->_current + $increment);
	}
public function increment($increment = 1) {
		$this->_current = min($this->_total, $this->_current + $increment);
	}
public function increment ( $ increment = 1 ) { $ this -> _current = min ( $ this -> _total , $ this -> _current + $ increment ) ; }
Increments are tick counter by the given amount. If no amount is provided,
the ticker is incremented by 1.

@param int  $increment  The amount to increment by.
Increments are tick counter by the given amount . If no amount is provided the ticker is incremented by 1 .