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<?php
namespace Ddeboer\DataImport\ValueConverter;
use Ddeboer\DataImport\Exception\UnexpectedValueException;
/**
* Convert an date time object into string
*/
class DateTimeToStringValueConverter
{
* Date time format
*
* @var string
* @see http://php.net/manual/en/datetime.createfromformat.php
protected $outputFormat;
* @param string $outputFormat
public function __construct($outputFormat = 'Y-m-d H:i:s')
$this->outputFormat = $outputFormat;
}
* Convert string to date time object
* using specified format
* @param mixed $input
* @return \DateTime|string
* @throws UnexpectedValueException
public function convert($input)
if (!$input) {
return;
if (!($input instanceof \DateTime)) {
throw new UnexpectedValueException('Input must be DateTime object.');
return $input->format($this->outputFormat);