src/TerminalObject/Dynamic/Progress.php
public function advance($increment = 1, $label = null)
    {
        $this->current($this->current + $increment, $label);
    }
public function advance($increment = 1, $label = null)
    {
        $this->current($this->current + $increment, $label);
    }
public function advance ( $ increment = 1 , $ label = null ) { $ this -> current ( $ this -> current + $ increment , $ label ) ; }
Increments the current position we are at and re-writes the progress bar

@param integer $increment The number of items to increment by
@param string $label
Increments the current position we are at and re - writes the progress bar