مشکل در تابع تاریخ

[علی آبادانی]

با سلام

دوستان مشکلی در تابع تاریخ بوجود اومده

این تابع تاریخ من هستش :

function shdate($atim){
$y = date("Y",$atim);
$m = date("m",$atim);
$d = date("d",$atim);
switch ($m){
case 3:
 if ($d >=21){
 $rooz = $d - 20;
 $mah = 1;
 }else{
 $rooz = $d + 9;
 $mah = 12;
 }break;
case 4:
 if ($d >=22){
 $rooz = $d - 21;
 $mah = 2;
 }else{
 $rooz = $d + 11;
 $mah = 1;
 }break;
case 5:
 if ($d >=22){
 $rooz = $d - 21;
 $mah = 3;
 }else{
 $rooz = $d + 10;
 $mah = 2;
 }break;
case 6:
 if ($d >=23){
 $rooz = $d - 22;
 $mah = 4;
 }else{
 $rooz = $d + 9;
 $mah = 3;
 }break;
case 7:
 if ($d >=23){
 $rooz = $d - 22;
 $mah = 5;
 }else{
 $rooz = $d + 9;
 $mah = 4;
 }break;
case 8:
 if ($d >=23){
 $rooz = $d - 22;
 $mah = 6;
 }else{
 $rooz = $d + 9;
 $mah = 5;
 }break;
case 9:
 if ($d >=23){
 $rooz = $d - 22;
 $mah = 7;
 }else{
 $rooz = $d + 9;
 $mah = 6;
 }break;
case 10:
 if ($d >=23){
 $rooz = $d - 22;
 $mah = 8;
 }else{
 $rooz = $d + 8;
 $mah = 7;
 }break;
case 11:
 if ($d >=22){
 $rooz = $d - 21;
 $mah = 9;
 }else{
 $rooz = $d + 9;
 $mah = 8;
 }break;
case 12:
 if ($d >=22){
 $rooz = $d - 21;
 $mah = 10;
 }else{
 $rooz = $d + 9;
 $mah = 9;
 }break;
case 1:
 if ($d >=21){
 $rooz = $d - 20;
 $mah = 11;
 }else{
 $rooz = $d + 10;
 $mah = 10;
 }break;
case 2:
 if ($d >=20){
 $rooz = $d - 19;
 $mah = 12;
 }else{
 $rooz = $d + 11;
 $mah = 11;
 }break;
}
if ($m <3)
$sal = $y - 622;
else if ($m >3)
$sal = $y - 621;
else if ($m == 3 && $d <21)
$sal = $y - 622;
else
$sal = $y - 621;
$shdt = $sal.'-'.$mah.'-'.$rooz;
return $shdt;
}
// show persian date with month name
function farsidate($tm,$lay)
{
 if (!isset($lay))
  $lay = 0;
 $dt = shdate($tm);
 $dat = explode ('-',$dt);
 $year = $dat[0];
 $month = $dat[1];
 $day = $dat[2];
 $today = date('sat',$tm);
 switch ($month)
 {
  case 1:
  $mah = "فروردين";break;
  case 2:
  $mah = "ارديبهشت";break;
  case 3:
  $mah = "خرداد";break;
  case 4:
  $mah = "تير";;break;
  case 5:
  $mah = "مرداد";break;
  case 6:
  $mah = "شهريور";break;
  case 7:
  $mah = "مهر";break;
  case 8:
  $mah = "آبان";break;
  case 9:
  $mah = "آذر";break;
  case 10:
  $mah = "دي";break;
  case 11:
  $mah = "بهمن";break;
  case 12:
  $mah = "اسفند";break;
 }
 $rooz;
 $nrooz;
 switch ($today)
 {
  case 'Sat':
  $rooz = "شنبه";$nrooz=1;break;
  case 'Sun':
  $rooz = "يكشنبه";$nrooz=2;break;
  case 'Mon':
  $rooz = "دوشنبه";$nrooz=3;break;
  case 'Thr':
  $rooz = "سه شنبه";$nrooz=4;break;
  case 'Wed':
  $rooz = "چهار شنبه";$nrooz=5;break;
  case 'Thu':
  $rooz = "پنج شنبه";$nrooz=6;break;
  case 'Fri':
  $rooz = "جمعه";$nrooz=7;break;

از 27 اسفند پارسال یک روز عقب تر رو نشون میده

مثلاً اگر تاریخ این باشه : یکشنبه 15 اردیبهشت 1387

نشون میده : یکشنبه 14 اردیبهشت 1387


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