QCharts/CoreBundle/Entity/QueryRequest.php
public function setDateLastModified($dateLastModified = null)
    {
        if (is_null($dateLastModified))
        {
            $this->dateLastModified = new \DateTime('now');
            return $this;
        }

        $this->dateLastModified = $dateLastModified;
        return $this;
    }
public function setDateLastModified($dateLastModified = null)
    {
        if (is_null($dateLastModified))
        {
            $this->dateLastModified = new \DateTime('now');
            return $this;
        }

        $this->dateLastModified = $dateLastModified;
        return $this;
    }
Set dateLastModified

@param \DateTime $dateLastModified

@return QueryRequest