fix bymonthday value not transmitted

src/Form/Type/AchatMonnaieAdherentRecurrentFormType.php

@@ -18,11 +18,11 @@ class AchatMonnaieAdherentRecurrentFormType extends AchatMonnaieAdherentFormType
 {
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-        $jourPrelevementChoices = [];
-        for ($i = 1; $i <= 28; $i++) {
-            $jourPrelevementChoices[strval($i)] = $i;
-        }
         $now = new \DateTime();
+        //force prelevement to occur on same day as today to make sure next prelevement occurs next month
+        //if today is after the 28th, use the 28th so that prelevement always occurs on same date
+        $jourPrelevement = min($now->format('d'),28);
+
         $builder
             ->add('nombreMois', IntegerType::class, [
                 'label' => 'Nombre d\'échéances désirées : ',
@@ -36,8 +36,8 @@ class AchatMonnaieAdherentRecurrentFormType extends AchatMonnaieAdherentFormType
             ])
             ->add('jourPrelevement', ChoiceType::class, [
                 'label' => 'Jour du prélèvement dans le mois : ',
-                'choices'  => $jourPrelevementChoices,
-                'data' => min($now->format('d'),28),
+                'choices'  => [strval($jourPrelevement) => $jourPrelevement],
+                'data' => $jourPrelevement,
                 'required' => true,
                 'mapped' => false,
                 'attr' => ['autocomplete' => 'off', 'disabled' => true]