lib/components/db/fields/Base.php
public function getMultiline()
    {
        if (is_null($this->_multiline)) {
            $this->_multiline = MultilineDetector::test($this->fieldSchema);
        }

        return $this->_multiline;
    }
public function getMultiline()
    {
        if (is_null($this->_multiline)) {
            $this->_multiline = MultilineDetector::test($this->fieldSchema);
        }

        return $this->_multiline;
    }
Get multiline.

@return [[@doctodo return_type:getMultiline]] [[@doctodo return_description:getMultiline]]