source/Core/SepaIBANValidator.php
protected function _moveInitialCharactersToEnd($sIBAN)
    {
        $oStr = getStr();

        $sInitialChars = $oStr->substr($sIBAN, 0, 4);
        $sIBAN = $oStr->substr($sIBAN, 4);

        return $sIBAN . $sInitialChars;
    }
protected function _moveInitialCharactersToEnd($sIBAN)
    {
        $oStr = getStr();

        $sInitialChars = $oStr->substr($sIBAN, 0, 4);
        $sIBAN = $oStr->substr($sIBAN, 4);

        return $sIBAN . $sInitialChars;
    }
protected function _moveInitialCharactersToEnd ( $ sIBAN ) { $ oStr = getStr ( ) ; $ sInitialChars = $ oStr -> substr ( $ sIBAN , 0 , 4 ) ; $ sIBAN = $ oStr -> substr ( $ sIBAN , 4 ) ; return $ sIBAN . $ sInitialChars ; }
Move the four initial characters to the end of the string.

@param string $sIBAN IBAN

@return string
Move the four initial characters to the end of the string .