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<?php
namespace Pgs\RestfonyBundle\Form\DataTransformer;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
/**
* Class transforms norm data into view data.
*/
class ArrayToStringTransformer implements DataTransformerInterface
{
* Transforms an array to a csv set of strings.
*
* @param array|null $array
* @return string
public function transform($array)
if (!is_array($array)) {
throw new TransformationFailedException(sprintf(
'%s is not an array',
gettype($array)
));
}
return implode(',', $array);
* Transforms a string into an array.
* @param string $string
* @return array
public function reverseTransform($string)
//JSON requests will already be strings
if (is_array($string)) {
return $string;
//strip any whitespace
$string = preg_replace('/^\s+|\s+$/u', '', $string);
$string = preg_replace('/\s+,\s*/u', ',', $string);
if (empty($string)) {
return [];
return explode(',', $string);
PGSSoft /
PgsRestfonyBundle
