$s = fgets($fp);
/*
Since the business names in the file are of differnt lengths
$BusinessNameEnd finds the end of the name by looking for the 2 character
in the business code. This logic works because the business code always starts with a 2.
*/
$BusinessNameEnd = strpos(substr($s, 19), '2');
//set the starting position for the business information so no math is done in the function call.
$startPos = 0;
//line number
$business->setLineCount($lineCount);
// serial number: first 16 characters of the line
$business->validLineLength($business->setSerialNumber(substr($s, $startPos, 16)), 16);
// language: next 3 characters of the line
$startPos = $startPos + 16;
$business->validLineLength($business->setLanguage(substr($s, $startPos, 3)), 3);
// business name: next 32 characters of the line
$startPos = $startPos + 3;
$business->validLineLength($business->setBusinessName(substr($s, $startPos, $BusinessNameEnd)), 32);
// business code: next 8 characters of the line
$startPos = $startPos + $BusinessNameEnd;
$business->validLineLength($business->setBusinessCode(substr($s, $startPos, 8)), 8);
// autorization code: next 8 characters of the line
$startPos = $startPos + 8;
$business->validLineLength($business->setAuthorizationCode(substr($s, $startPos, 8)), 8);
// timestamp: next 20 characters of the line
$startPos = $startPos + 8;
$business->validLineLength($business->setTimeStamp(substr($s, $startPos, 20)), 20);
//display the business information to the screen
$business->printBusinessInfo();
//increment the line counter
