getTransactionType() public method

Returns the transaction type for which this IPN was generated
public getTransactionType ( ) : string
return string
 /**
  * @test
  */
 public function testGetTransactionData()
 {
     $ipnData = "txn_data=notavailable";
     $ipn = new PPIPNMessage($ipnData, array('mode' => 'sandbox'));
     $this->assertEquals('', $ipn->getTransactionId());
     $ipnData = "txn_id=123&transaction_type=pay";
     $ipn = new PPIPNMessage($ipnData, array('mode' => 'sandbox'));
     $this->assertEquals(123, $ipn->getTransactionId());
     $this->assertEquals('pay', $ipn->getTransactionType());
     $ipnData = "transaction[0].id=5&transaction[1].id=10";
     $ipn = new PPIPNMessage($ipnData, array('mode' => 'sandbox'));
     $this->assertEquals(array(5, 10), $ipn->getTransactionId());
     $ipnData = "txn_id=123&transaction[0].id=5&transaction[1].id=10";
     $ipn = new PPIPNMessage($ipnData, array('mode' => 'sandbox'));
     $this->assertEquals(123, $ipn->getTransactionId());
 }