LMongo\Query\Builder::increment PHP Method

Increment a column's value by a given amount.

public increment ( string $column, integer $amount = 1, array $extra = [] ) : integer
$column	string
$amount	integer
$extra	array
return	integer

    public function increment($column, $amount = 1, array $extra = array())
    {
        $update = array('$inc' => array($column => $amount));
        if (count($extra)) {
            $update['$set'] = $extra;
        }
        return $this->performUpdate($update);
    }

LMongo\Query\Builder::increment PHP Method

increment() public method