//Part2 $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); $g_month_name = array("", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"); $g_week_name = array("", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"); function gregorian_to_jalali($g_y, $g_m, $g_d) { global $g_days_in_month; global $j_days_in_month; $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, $jd); } function date_to_admin($g_y, $g_m, $g_d) { global $g_days_in_month; global $j_days_in_month; global $lang; if($lang != "01"){return array($g_y, $g_m, $g_d);}; $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, $jd); } function gregorian_week_day($g_y, $g_m, $g_d) { global $g_days_in_month; $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 += $gd; return ($g_day_no + 5) % 7 + 1; } function jalali_to_gregorian($j_y, $j_m, $j_d) { global $g_days_in_month; global $j_days_in_month; $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, $gd); } function div($a, $b) { return (int) ($a / $b); } function isnum($str) { if (strlen($str) == 0) return 0; for ($i = 0; $i < strlen($str); $i++) if (ord($str[$i]) < ord("0") || ord($str[$i]) > ord("9")) return 0; return 1; } ?>