string(3) "Oui"
array(3) {
  ["p"]=>
  string(7) "product"
  ["product"]=>
  string(47) "votre-image-ou-affiche-en-petit-ou-grand-format"
  ["ot"]=>
  string(1) "s"
}
array(4) {
  ["qty"]=>
  int(1)
  ["size"]=>
  string(2) "cm"
  ["width"]=>
  int(0)
  ["height"]=>
  int(0)
}