src/Query.php
public function andWhere(array $conditions)
    {
        $this->changed = true;

        if ($this->conditions) {
            $this->conditions = [
                'AND',
                $this->conditions,
                $conditions,
            ];
        } else {
            $this->conditions = $conditions;
        }

        return $this;
    }
public function andWhere(array $conditions)
    {
        $this->changed = true;

        if ($this->conditions) {
            $this->conditions = [
                'AND',
                $this->conditions,
                $conditions,
            ];
        } else {
            $this->conditions = $conditions;
        }

        return $this;
    }
Add conditions for SELECT, UPDATE and DELETE queries with an AND operator.

@param  array  $conditions
@return self