lib/Orkestra/Transactor/Entity/AbstractAccount.php
public function setAccountNumber($accountNumber)
    {
        $this->accountNumber = (string) $accountNumber;
        $this->lastFour = substr((string) $accountNumber,-4);
    }
public function setAccountNumber($accountNumber)
    {
        $this->accountNumber = (string) $accountNumber;
        $this->lastFour = substr((string) $accountNumber,-4);
    }
public function setAccountNumber ( $ accountNumber ) { $ this -> accountNumber = ( string ) $ accountNumber ; $ this -> lastFour = substr ( ( string ) $ accountNumber , - 4 ) ; }
Set Account Number

@param string $accountNumber
Set Account Number