Хочу сайт, а все просят ТЗ - где выход?

function validEmail($email)
**
	$isValid = true;
	$atIndex = strrpos($email, "@");
	if (is_bool($atIndex) && !$atIndex) **
		$isValid = false;
	** else **
		$domain = substr($email, $atIndex + 1);
		$local = substr($email, 0, $atIndex);
		$localLen = strlen($local);
		$domainLen = strlen($domain);
		if ($localLen < 1 || $localLen > 64) **
			// local part length exceeded
			$isValid = false;
		** else if ($domainLen < 1 || $domainLen > 255) **
			// domain part length exceeded
			$isValid = false;
		** else if (!strrpos($domain, ".")) **
			// domain part does not have .
			$isValid = false;
		** else if ($domain[0] == '.' || $domain[$domainLen - 1] == '.') **
			// domain part starts or ends with '.'
			$isValid = false;
		** else if ($local[0] == '.' || $local[$localLen - 1] == '.') **
			// local part starts or ends with '.'
			$isValid = false;
		** else if (preg_match('/\\.\\./', $local)) **
			// local part has two consecutive dots
			$isValid = false;
		** else if (!preg_match('/^[A-Za-z0-9\\-\\.]+$/', $domain)) **
			// character not valid in domain part
			$isValid = false;
		** else if (preg_match('/\\.\\./', $domain)) **
			// domain part has two consecutive dots
			$isValid = false;
		** else if (!preg_match('/^(\\\\.|[A-Za-z0-9!#%&`_=\\/$\'*+?^****|~.-])+$/', str_replace("\\\\", "", $local))) **
			// character not valid in local part unless 
			// local part is quoted
			if (!preg_match('/^"(\\\\"|[^"])+"$/', str_replace("\\\\", "", $local))) **
				$isValid = false;
			**
		**
		/* if ($isValid && !(checkdnsrr($domain,"MX") || checkdnsrr($domain,"A"))) **
		  // domain not found in DNS
		  $isValid = false;
		  ** */
	**
	return $isValid;

function Utf2Win($s)** return Utf8($s,'w') ; **  
function Win2Utf($s)** return Utf8($s,'u') ; **  
function Utf8($s, $sTo = 'utf2win')**  
   $a = array();  
  for ($i=128; $i <= 191; $i++)**  
   $a['utf'][] = ($i<144) ? chr(209).chr($i) : chr(208).chr($i);  
   $a['win'][] = ($i<144) ? chr($i + 112) : chr($i + 48) ;  
  **  
  $a['utf'][] = chr(208) . chr(129);  
  $a['win'][] = chr(168);  
  $a['utf'][] = chr(209) . chr(145);  
  $a['win'][] = chr(184);

  $a['utf'][] = chr(209) . chr(78);  
  $a['win'][] = chr(73);

  $a['utf'][] ='в„–';
  $a['win'][] = '№';

   if(in_array(strtolower($sTo), array('utf2win','w','cp1251','windows-1251')))  
     return str_replace($a['utf'], $a['win'], $s);  
   if(in_array(strtolower($sTo), array('win2utf','u','utf8','utf-8')))  
     return str_replace($a['win'], $a['utf'], $s);  
** 

function getfield_csv($string,$index)
**
  $arr = explode(";",$string);
  return $arr[$index];
**

function read_csv($file)
**
  $hFile = fopen($file,"r");
    $source_data_utf = fread($hFile,filesize($file));
  fclose($hFile);
  
  $source_data = Utf2Win($source_data_utf);
  
  $arr_source_data = explode("\r\n",$source_data);
  
  for($i=0;$i<count($arr_source_data);$i++)
  **
    $arr_source_data[$i] = str_replace(chr(239).chr(187).chr(191), "", $arr_source_data[$i]);
    $result[] = Array();
    $result[count($result)-1]['Ds'] = getfield_csv($arr_source_data[$i], 0);
    $result[count($result)-1]['Fkp'] = getfield_csv($arr_source_data[$i], 5);
    $result[count($result)-1]['Tgg'] = getfield_csv($arr_source_data[$i], 3);
    $result[count($result)-1]['Pol'] = getfield_csv($arr_source_data[$i], 4);
    $result[count($result)-1]['Tr'] = getfield_csv($arr_source_data[$i], 6);
  **
  return $result;