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Nepali Calendar for PHP / Laravel app
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<?php | |
namespace App\Helpers; | |
class NepaliCalendar { | |
private $_bs = array( | |
0 => array(2000,30,32,31,32,31,30,30,30,29,30,29,31), | |
1 => array(2001,31,31,32,31,31,31,30,29,30,29,30,30), | |
2 => array(2002,31,31,32,32,31,30,30,29,30,29,30,30), | |
3 => array(2003,31,32,31,32,31,30,30,30,29,29,30,31), | |
4 => array(2004,30,32,31,32,31,30,30,30,29,30,29,31), | |
5 => array(2005,31,31,32,31,31,31,30,29,30,29,30,30), | |
6 => array(2006,31,31,32,32,31,30,30,29,30,29,30,30), | |
7 => array(2007,31,32,31,32,31,30,30,30,29,29,30,31), | |
8 => array(2008,31,31,31,32,31,31,29,30,30,29,29,31), | |
9 => array(2009,31,31,32,31,31,31,30,29,30,29,30,30), | |
10 => array(2010,31,31,32,32,31,30,30,29,30,29,30,30), | |
11 => array(2011,31,32,31,32,31,30,30,30,29,29,30,31), | |
12 => array(2012,31,31,31,32,31,31,29,30,30,29,30,30), | |
13 => array(2013,31,31,32,31,31,31,30,29,30,29,30,30), | |
14 => array(2014,31,31,32,32,31,30,30,29,30,29,30,30), | |
15 => array(2015,31,32,31,32,31,30,30,30,29,29,30,31), | |
16 => array(2016,31,31,31,32,31,31,29,30,30,29,30,30), | |
17 => array(2017,31,31,32,31,31,31,30,29,30,29,30,30), | |
18 => array(2018,31,32,31,32,31,30,30,29,30,29,30,30), | |
19 => array(2019,31,32,31,32,31,30,30,30,29,30,29,31), | |
20 => array(2020,31,31,31,32,31,31,30,29,30,29,30,30), | |
21 => array(2021,31,31,32,31,31,31,30,29,30,29,30,30), | |
22 => array(2022,31,32,31,32,31,30,30,30,29,29,30,30), | |
23 => array(2023,31,32,31,32,31,30,30,30,29,30,29,31), | |
24 => array(2024,31,31,31,32,31,31,30,29,30,29,30,30), | |
25 => array(2025,31,31,32,31,31,31,30,29,30,29,30,30), | |
26 => array(2026,31,32,31,32,31,30,30,30,29,29,30,31), | |
27 => array(2027,30,32,31,32,31,30,30,30,29,30,29,31), | |
28 => array(2028,31,31,32,31,31,31,30,29,30,29,30,30), | |
29 => array(2029,31,31,32,31,32,30,30,29,30,29,30,30), | |
30 => array(2030,31,32,31,32,31,30,30,30,29,29,30,31), | |
31 => array(2031,30,32,31,32,31,30,30,30,29,30,29,31), | |
32 => array(2032,31,31,32,31,31,31,30,29,30,29,30,30), | |
33 => array(2033,31,31,32,32,31,30,30,29,30,29,30,30), | |
34 => array(2034,31,32,31,32,31,30,30,30,29,29,30,31), | |
35 => array(2035,30,32,31,32,31,31,29,30,30,29,29,31), | |
36 => array(2036,31,31,32,31,31,31,30,29,30,29,30,30), | |
37 => array(2037,31,31,32,32,31,30,30,29,30,29,30,30), | |
38 => array(2038,31,32,31,32,31,30,30,30,29,29,30,31), | |
39 => array(2039,31,31,31,32,31,31,29,30,30,29,30,30), | |
40 => array(2040,31,31,32,31,31,31,30,29,30,29,30,30), | |
41 => array(2041,31,31,32,32,31,30,30,29,30,29,30,30), | |
42 => array(2042,31,32,31,32,31,30,30,30,29,29,30,31), | |
43 => array(2043,31,31,31,32,31,31,29,30,30,29,30,30), | |
44 => array(2044,31,31,32,31,31,31,30,29,30,29,30,30), | |
45 => array(2045,31,32,31,32,31,30,30,29,30,29,30,30), | |
46 => array(2046,31,32,31,32,31,30,30,30,29,29,30,31), | |
47 => array(2047,31,31,31,32,31,31,30,29,30,29,30,30), | |
48 => array(2048,31,31,32,31,31,31,30,29,30,29,30,30), | |
49 => array(2049,31,32,31,32,31,30,30,30,29,29,30,30), | |
50 => array(2050,31,32,31,32,31,30,30,30,29,30,29,31), | |
51 => array(2051,31,31,31,32,31,31,30,29,30,29,30,30), | |
52 => array(2052,31,31,32,31,31,31,30,29,30,29,30,30), | |
53 => array(2053,31,32,31,32,31,30,30,30,29,29,30,30), | |
54 => array(2054,31,32,31,32,31,30,30,30,29,30,29,31), | |
55 => array(2055,31,31,32,31,31,31,30,29,30,29,30,30), | |
56 => array(2056,31,31,32,31,32,30,30,29,30,29,30,30), | |
57 => array(2057,31,32,31,32,31,30,30,30,29,29,30,31), | |
58 => array(2058,30,32,31,32,31,30,30,30,29,30,29,31), | |
59 => array(2059,31,31,32,31,31,31,30,29,30,29,30,30), | |
60 => array(2060,31,31,32,32,31,30,30,29,30,29,30,30), | |
61 => array(2061,31,32,31,32,31,30,30,30,29,29,30,31), | |
62 => array(2062,30,32,31,32,31,31,29,30,29,30,29,31), | |
63 => array(2063,31,31,32,31,31,31,30,29,30,29,30,30), | |
64 => array(2064,31,31,32,32,31,30,30,29,30,29,30,30), | |
65 => array(2065,31,32,31,32,31,30,30,30,29,29,30,31), | |
66 => array(2066,31,31,31,32,31,31,29,30,30,29,29,31), | |
67 => array(2067,31,31,32,31,31,31,30,29,30,29,30,30), | |
68 => array(2068,31,31,32,32,31,30,30,29,30,29,30,30), | |
69 => array(2069,31,32,31,32,31,30,30,30,29,29,30,31), | |
70 => array(2070,31,31,31,32,31,31,29,30,30,29,30,30), | |
71 => array(2071,31,31,32,31,31,31,30,29,30,29,30,30), | |
72 => array(2072,31,32,31,32,31,30,30,29,30,29,30,30), | |
73 => array(2073,31,32,31,32,31,30,30,30,29,29,30,31), | |
74 => array(2074,31,31,31,32,31,31,30,29,30,29,30,30), | |
75 => array(2075,31,31,32,31,31,31,30,29,30,29,30,30), | |
76 => array(2076,31,32,31,32,31,30,30,30,29,29,30,30), | |
77 => array(2077,31,32,31,32,31,30,30,30,29,30,29,31), | |
78 => array(2078,31,31,31,32,31,31,30,29,30,29,30,30), | |
79 => array(2079,31,31,32,31,31,31,30,29,30,29,30,30), | |
80 => array(2080,31,32,31,32,31,30,30,30,29,29,30,30), | |
81 => array(2081,31,31,32,32,31,30,30,30,29,30,30,30), | |
82 => array(2082,30,32,31,32,31,30,30,30,29,30,30,30), | |
83 => array(2083,31,31,32,31,31,30,30,30,29,30,30,30), | |
84 => array(2084,31,31,32,31,31,30,30,30,29,30,30,30), | |
85 => array(2085,31,32,31,32,30,31,30,30,29,30,30,30), | |
86 => array(2086,30,32,31,32,31,30,30,30,29,30,30,30), | |
87 => array(2087,31,31,32,31,31,31,30,30,29,30,30,30), | |
88 => array(2088,30,31,32,32,30,31,30,30,29,30,30,30), | |
89 => array(2089,30,32,31,32,31,30,30,30,29,30,30,30), | |
90 => array(2090,30,32,31,32,31,30,30,30,29,30,30,30) | |
); | |
private $_nep_date = array('year' => '', 'month' => '', 'date' => '', 'day' => '', 'nmonth' => '', 'num_day' => ''); | |
private $_eng_date = array('year' => '', 'month' => '', 'date' => '', 'day' => '', 'emonth' => '', 'num_day' => ''); | |
public $debug_info = ""; | |
/** | |
* Return day | |
* | |
* @param int $day | |
* @return string | |
*/ | |
private function _get_day_of_week($day) | |
{ | |
switch ($day) | |
{ | |
case 1: | |
$day = "आइतबार"; | |
break; | |
case 2: | |
$day = "सोमबार"; | |
break; | |
case 3: | |
$day = "मंगलबार"; | |
break; | |
case 4: | |
$day = "बुधबार"; | |
break; | |
case 5: | |
$day = "बिहिबार"; | |
break; | |
case 6: | |
$day = "शुक्रबार"; | |
break; | |
case 7: | |
$day = "सनिबार"; | |
break; | |
} | |
return $day; | |
} | |
/** | |
* Return english month name | |
* | |
* @param int $m | |
* @return string | |
*/ | |
private function _get_english_month($m) | |
{ | |
$eMonth = FALSE; | |
switch ($m) | |
{ | |
case 1: | |
$eMonth = "January"; | |
break; | |
case 2: | |
$eMonth = "February"; | |
break; | |
case 3: | |
$eMonth = "March"; | |
break; | |
case 4: | |
$eMonth = "April"; | |
break; | |
case 5: | |
$eMonth = "May"; | |
break; | |
case 6: | |
$eMonth = "June"; | |
break; | |
case 7: | |
$eMonth = "July"; | |
break; | |
case 8: | |
$eMonth = "August"; | |
break; | |
case 9: | |
$eMonth = "September"; | |
break; | |
case 10: | |
$eMonth = "October"; | |
break; | |
case 11: | |
$eMonth = "November"; | |
break; | |
case 12: | |
$eMonth = "December"; | |
} | |
return $eMonth; | |
} | |
/** | |
* Return nepali month name | |
* | |
* @param int $m | |
* @return string | |
*/ | |
private function _get_nepali_month($m) | |
{ | |
$n_month = FALSE; | |
switch ($m) | |
{ | |
case 1: | |
$n_month = "बैशा"; | |
break; | |
case 2: | |
$n_month = "जेठ"; | |
break; | |
case 3: | |
$n_month = "असार"; | |
break; | |
case 4: | |
$n_month = "श्रावण"; | |
break; | |
case 5: | |
$n_month = "भाद्र"; | |
break; | |
case 6: | |
$n_month = "आश्विन"; | |
break; | |
case 7: | |
$n_month = "कार्तिक"; | |
break; | |
case 8: | |
$n_month = "मंसिर"; | |
break; | |
case 9: | |
$n_month = "पौष"; | |
break; | |
case 10: | |
$n_month = "माघ"; | |
break; | |
case 11: | |
$n_month = "फाल्गुन"; | |
break; | |
case 12: | |
$n_month = "चैत्र"; | |
break; | |
} | |
return $n_month; | |
} | |
/** | |
* Check if date range is in english | |
* | |
* @param int $yy | |
* @param int $mm | |
* @param int $dd | |
* @return bool | |
*/ | |
private function _is_in_range_eng($yy, $mm, $dd) | |
{ | |
if ($yy < 1944 || $yy > 2033) | |
{ | |
return 'Supported only between 1944-2022'; | |
} | |
if ($mm < 1 || $mm > 12) | |
{ | |
return 'Error! month value can be between 1-12 only'; | |
} | |
if ($dd < 1 || $dd > 31) | |
{ | |
return 'Error! day value can be between 1-31 only'; | |
} | |
return TRUE; | |
} | |
/** | |
* Check if date is with in nepali data range | |
* | |
* @param int $yy | |
* @param int $mm | |
* @param int $dd | |
* @return bool | |
*/ | |
private function _is_in_range_nep($yy, $mm, $dd) | |
{ | |
if ($yy < 2000 || $yy > 2089) | |
{ | |
return 'Supported only between 2000-2089'; | |
} | |
if ($mm < 1 || $mm > 12) | |
{ | |
return 'Error! month value can be between 1-12 only'; | |
} | |
if ($dd < 1 || $dd > 32) | |
{ | |
return 'Error! day value can be between 1-31 only'; | |
} | |
return TRUE; | |
} | |
/** | |
* Calculates wheather english year is leap year or not | |
* | |
* @param int $year | |
* @return bool | |
*/ | |
public function is_leap_year($year) | |
{ | |
$a = $year; | |
if ($a % 100 == 0) | |
{ | |
if ($a % 400 == 0) | |
{ | |
return TRUE; | |
} | |
else | |
{ | |
return FALSE; | |
} | |
} | |
else | |
{ | |
if ($a % 4 == 0) | |
{ | |
return TRUE; | |
} | |
else | |
{ | |
return FALSE; | |
} | |
} | |
} | |
/** | |
* currently can only calculate the date between AD 1944-2033... | |
* | |
* @param int $yy | |
* @param int $mm | |
* @param int $dd | |
* @return array | |
*/ | |
public function eng_to_nep($yy, $mm, $dd) | |
{ | |
// Check for date range | |
$chk = $this->_is_in_range_eng($yy, $mm, $dd); | |
if($chk !== TRUE) | |
{ | |
die($chk); | |
} | |
else | |
{ | |
// Month data. | |
$month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); | |
// Month for leap year | |
$lmonth = array(31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); | |
$def_eyy = 1944; // initial english date. | |
$def_nyy = 2000; | |
$def_nmm = 9; | |
$def_ndd = 17 - 1; // inital nepali date. | |
$total_eDays = 0; | |
$total_nDays = 0; | |
$a = 0; | |
$day = 7 - 1; | |
$m = 0; | |
$y = 0; | |
$i = 0; | |
$j = 0; | |
$numDay = 0; | |
// Count total no. of days in-terms year | |
for ($i = 0; $i < ($yy - $def_eyy); $i++) //total days for month calculation...(english) | |
{ | |
if ($this->is_leap_year($def_eyy + $i) === TRUE) | |
{ | |
for ($j = 0; $j < 12; $j++) | |
{ | |
$total_eDays += $lmonth[$j]; | |
} | |
} | |
else | |
{ | |
for ($j = 0; $j < 12; $j++) | |
{ | |
$total_eDays += $month[$j]; | |
} | |
} | |
} | |
// Count total no. of days in-terms of month | |
for ($i = 0; $i < ($mm - 1); $i++) | |
{ | |
if ($this->is_leap_year($yy) === TRUE) | |
{ | |
$total_eDays += $lmonth[$i]; | |
} | |
else | |
{ | |
$total_eDays += $month[$i]; | |
} | |
} | |
// Count total no. of days in-terms of date | |
$total_eDays += $dd; | |
$i = 0; | |
$j = $def_nmm; | |
$total_nDays = $def_ndd; | |
$m = $def_nmm; | |
$y = $def_nyy; | |
// Count nepali date from array | |
while ($total_eDays != 0) | |
{ | |
$a = $this->_bs[$i][$j]; | |
$total_nDays++; //count the days | |
$day++; //count the days interms of 7 days | |
if ($total_nDays > $a) | |
{ | |
$m++; | |
$total_nDays = 1; | |
$j++; | |
} | |
if ($day > 7) | |
{ | |
$day = 1; | |
} | |
if ($m > 12) | |
{ | |
$y++; | |
$m = 1; | |
} | |
if ($j > 12) | |
{ | |
$j = 1; | |
$i++; | |
} | |
$total_eDays--; | |
} | |
$numDay = $day; | |
$this->_nep_date['year'] = $y; | |
$this->_nep_date['month'] = $m; | |
$this->_nep_date['date'] = $total_nDays; | |
$this->_nep_date['day'] = $this->_get_day_of_week($day); | |
$this->_nep_date['nmonth'] = $this->_get_nepali_month($m); | |
$this->_nep_date['num_day'] = $numDay; | |
return $this->_nep_date; | |
} | |
} | |
/** | |
* Currently can only calculate the date between BS 2000-2089 | |
* | |
* @param int $yy | |
* @param int $mm | |
* @param int $dd | |
* @return array | |
*/ | |
public function nep_to_eng($yy, $mm, $dd) | |
{ | |
$def_eyy = 1943; | |
$def_emm = 4; | |
$def_edd = 14 - 1; // initial english date. | |
$def_nyy = 2000; | |
$def_nmm = 1; | |
$def_ndd = 1; // iniital equivalent nepali date. | |
$total_eDays = 0; | |
$total_nDays = 0; | |
$a = 0; | |
$day = 4 - 1; | |
$m = 0; | |
$y = 0; | |
$i = 0; | |
$k = 0; | |
$numDay = 0; | |
$month = array( | |
0, | |
31, | |
28, | |
31, | |
30, | |
31, | |
30, | |
31, | |
31, | |
30, | |
31, | |
30, | |
31 | |
); | |
$lmonth = array( | |
0, | |
31, | |
29, | |
31, | |
30, | |
31, | |
30, | |
31, | |
31, | |
30, | |
31, | |
30, | |
31 | |
); | |
// Check for date range | |
$chk = $this->_is_in_range_nep($yy, $mm, $dd); | |
if ( $chk !== TRUE) | |
{ | |
die($chk); | |
} | |
else | |
{ | |
// Count total days in-terms of year | |
for ($i = 0; $i < ($yy - $def_nyy); $i++) | |
{ | |
for ($j = 1; $j <= 12; $j++) | |
{ | |
$total_nDays += $this->_bs[$k][$j]; | |
} | |
$k++; | |
} | |
// Count total days in-terms of month | |
for ($j = 1; $j < $mm; $j++) | |
{ | |
$total_nDays += $this->_bs[$k][$j]; | |
} | |
// Count total days in-terms of dat | |
$total_nDays += $dd; | |
// Calculation of equivalent english date... | |
$total_eDays = $def_edd; | |
$m = $def_emm; | |
$y = $def_eyy; | |
while ($total_nDays != 0) | |
{ | |
if ($this->is_leap_year($y)) | |
{ | |
$a = $lmonth[$m]; | |
} | |
else | |
{ | |
$a = $month[$m]; | |
} | |
$total_eDays++; | |
$day++; | |
if ($total_eDays > $a) | |
{ | |
$m++; | |
$total_eDays = 1; | |
if ($m > 12) | |
{ | |
$y++; | |
$m = 1; | |
} | |
} | |
if ($day > 7) | |
{ | |
$day = 1; | |
} | |
$total_nDays--; | |
} | |
$numDay = $day; | |
$this->_eng_date['year'] = $y; | |
$this->_eng_date['month'] = $m; | |
$this->_eng_date['date'] = $total_eDays; | |
$this->_eng_date['day'] = $this->_get_day_of_week($day); | |
$this->_eng_date['nmonth'] = $this->_get_english_month($m); | |
$this->_eng_date['num_day'] = $numDay; | |
return $this->_eng_date; | |
} | |
} | |
} |
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