function div($a,$b) {
return (int) ($a / $b);
}
function gregorian_to_jalali ($g_y, $g_m, $g_d)
{
$g_days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
$j_days_in_month = array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29);
$gy = $g_y-1600;
$gm = $g_m-1;
$gd = $g_d-1;
$g_day_no = 365*$gy+div($gy+3,4)-div($gy+99,100)+div($gy+399,400);
for ($i=0; $i < $gm; ++$i)
$g_day_no += $g_days_in_month[$i];
if ($gm>1 && (($gy%4==0 && $gy%100!=0) || ($gy%400==0)))
/* leap and after Feb */
$g_day_no++;
$g_day_no += $gd;
$j_day_no = $g_day_no-79;
$j_np = div($j_day_no, 12053); /* 12053 = 365*33 + 32/4 */
$j_day_no = $j_day_no % 12053;
$jy = 979+33*$j_np+4*div($j_day_no,1461); /* 1461 = 365*4 + 4/4 */
$j_day_no %= 1461;
if ($j_day_no >= 366) {
$jy += div($j_day_no-1, 365);
$j_day_no = ($j_day_no-1)%365;
}
for ($i = 0; $i < 11 && $j_day_no >= $j_days_in_month[$i]; ++$i)
$j_day_no -= $j_days_in_month[$i];
$jm = $i+1;
$jd = $j_day_no+1;
return array($jy, $jm, $jd);
}
function jalali_to_gregorian($j_y, $j_m, $j_d)
{
$g_days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
$j_days_in_month = array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29);
$jy = $j_y-979;
$jm = $j_m-1;
$jd = $j_d-1;
$j_day_no = 365*$jy + div($jy, 33)*8 + div($jy%33+3, 4);
for ($i=0; $i < $jm; ++$i)
$j_day_no += $j_days_in_month[$i];
$j_day_no += $jd;
$g_day_no = $j_day_no+79;
$gy = 1600 + 400*div($g_day_no, 146097); /* 146097 = 365*400 + 400/4 - 400/100 + 400/400 */
$g_day_no = $g_day_no % 146097;
$leap = true;
if ($g_day_no >= 36525) /* 36525 = 365*100 + 100/4 */
{
$g_day_no--;
$gy += 100*div($g_day_no, 36524); /* 36524 = 365*100 + 100/4 - 100/100 */
$g_day_no = $g_day_no % 36524;
if ($g_day_no >= 365)
$g_day_no++;
else
$leap = false;
}
$gy += 4*div($g_day_no, 1461); /* 1461 = 365*4 + 4/4 */
$g_day_no %= 1461;
if ($g_day_no >= 366) {
$leap = false;
$g_day_no--;
$gy += div($g_day_no, 365);
$g_day_no = $g_day_no % 365;
}
for ($i = 0; $g_day_no >= $g_days_in_month[$i] + ($i == 1 && $leap); $i++)
$g_day_no -= $g_days_in_month[$i] + ($i == 1 && $leap);
$gm = $i+1;
$gd = $g_day_no+1;
return array($gy, $gm, $gd);
}
//
$TTD=date("Y.m.d ");
// date
$TDy=date("Y");
$TDm=date("m");
$TDd=date("d");
// time
$TDh=date("H");
$TDi=date("i");
$TDs=date("s");
$gtime=$TDh.":".$TDi.":".$TDs;
$gdate=$TDy."-".$TDm."-".$TDd;
//$gdate=$TTD;
list( $gyear, $gmonth, $gday ) = preg_split ( '/-/', $gdate );
list( $jyear, $jmonth, $jday ) = gregorian_to_jalali($gyear, $gmonth, $gday);
$jdate = $jyear."/".$jmonth."/".$jday;
print "<br>هجری شمسی <br>".$jdate." <br>";
$jdate=$jdate; //$jdate="1363/3/5";
list( $jyear, $jmonth, $jday ) = preg_split ( '/\//', $jdate );
list( $gyear, $gmonth, $gday ) = jalali_to_gregorian($jyear, $jmonth, $jday);
$gdate = $gyear."/".$gmonth."/".$gday;
print"<br> میلادی <br> "; print"". $gdate;