format sender address as integer

src/Request/Request.php

@@ -162,7 +162,7 @@ abstract class Request implements RequestInterface
             'priority'          => $this->getPriority(),
             'recipientAddressList'  => $this->getRecipientsList()->getRecipients(),
             'sendAsFlashSms'    => $this->doSendAsFlashSms(),
-            'senderAddress'     => $this->getSenderAddress() ? $this->getSenderAddress()->get() : null,
+            'senderAddress'     => $this->getSenderAddress() ? $this->getSenderAddress()->getFormatted() : null,
             'senderAddressType' => $this->getSenderAddressType(),
             'test'              => $this->getTestMode(),
             'validityPeriode'   => $this->getValidityPeriode()

src/ValueObject/Sender.php

@@ -27,7 +27,7 @@ class Sender extends StringValueObject
         $phoneUtil = $this->getPhoneNumberUtil();
 
         $phoneNumber = $phoneUtil->parse( $number, strtoupper($iso2CountryCode) );
-        $number      = $phoneUtil->format( $phoneNumber, PhoneNumberFormat::E164 );
+        $number = ltrim($phoneUtil->format($phoneNumber, PhoneNumberFormat::E164), '+');
 
         if (false === $phoneUtil->isValidNumber($phoneNumber)) {
             throw new RecipientException( ExceptionMessages::INVALID_SENDER );
@@ -43,4 +43,12 @@ class Sender extends StringValueObject
     {
         return PhoneNumberUtil::getInstance();
     }
+
+    /**
+     * @return int
+     */
+    public function getFormatted()
+    {
+        return (int) parent::getFormatted();
+    }
 }

src/ValueObject/StringValueObject.php

@@ -24,4 +24,9 @@ abstract class StringValueObject extends ValueObject
     {
         return $this->value;
     }
+
+    public function getFormatted()
+    {
+        return $this->get();
+    }
 }