266 lines
10 KiB
PHP
266 lines
10 KiB
PHP
<?php
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class nepali_date
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{
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//List of month nepali
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private $nepali_length = array(
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1975 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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1976 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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1977 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1978 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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1979 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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1980 => array(31,32,31,32,31,30,30,29,30,29,30,30),
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1981 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1982 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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1983 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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1984 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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1985 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1986 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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1987 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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1988 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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1989 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1990 => array(31,31,31,32,31,31,29,30,30,29,29,31),
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1991 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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1992 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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1993 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1994 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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1995 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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1996 => array(31,31,32,32,31,30,29,30,30,29,30,30),
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1997 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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1998 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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1999 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2000 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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2001 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2002 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2003 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2004 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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2005 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2006 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2007 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2008 => array(31,31,31,32,31,31,29,30,30,29,29,31),
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2009 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2010 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2011 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2012 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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2013 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2014 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2015 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2016 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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2017 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2018 => array(31,32,31,32,31,30,30,29,30,29,30,30),
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2019 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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2020 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2021 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2022 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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2023 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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2024 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2025 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2026 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2027 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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2028 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2029 => array(31,31,32,31,32,30,30,29,30,29,30,30),
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2030 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2031 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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2032 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2033 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2034 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2035 => array(30,32,31,32,31,31,29,30,30,29,29,31),
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2036 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2037 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2038 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2039 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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2040 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2041 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2042 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2043 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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2044 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2045 => array(31,32,31,32,31,30,30,29,30,29,30,30),
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2046 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2047 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2048 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2049 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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2050 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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2051 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2052 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2053 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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2054 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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2055 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2056 => array(31,31,32,31,32,30,30,29,30,29,30,30),
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2057 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2058 => array(30,32,31,32,31,30,30,30,29,30,29,31),
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2059 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2060 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2061 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2062 => array(30,32,31,32,31,31,29,30,29,30,29,31),
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2063 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2064 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2065 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2066 => array(31,31,31,32,31,31,29,30,30,29,29,31),
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2067 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2068 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2069 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2070 => array(31,31,31,32,31,31,29,30,30,29,30,30),
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2071 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2072 => array(31,32,31,32,31,30,30,29,30,29,30,30),
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2073 => array(31,32,31,32,31,30,30,30,29,29,30,31),
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2074 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2075 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2076 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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2077 => array(31,32,31,32,31,30,30,30,29,30,29,31),
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2078 => array(31,31,31,32,31,31,30,29,30,29,30,30),
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2079 => array(31,31,32,31,31,31,30,29,30,29,30,30),
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2080 => array(31,32,31,32,31,30,30,30,29,29,30,30),
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2081 => array(31,31,32,32,31,30,30,30,29,30,30,30),
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2082 => array(30,32,31,32,31,30,30,30,29,30,30,30),
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2083 => array(31,31,32,31,31,30,30,30,29,30,30,30),
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2084 => array(31,31,32,31,31,30,30,30,29,30,30,30),
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2085 => array(31,32,31,32,30,31,30,30,29,30,30,30),
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2086 => array(30,32,31,32,31,30,30,30,29,30,30,30),
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2087 => array(31,31,32,31,31,31,30,30,29,30,30,30),
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2088 => array(30,31,32,32,30,31,30,30,29,30,30,30),
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2089 => array(30,32,31,32,31,30,30,30,29,30,30,30),
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2090 => array(30,32,31,32,31,30,30,30,29,30,30,30),
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2091 => array(31,31,32,32,31,30,30,29,30,29,30,30),
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2092 => array(30,31,32,32,31,30,30,30,29,30,30,30),
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2093 => array(30,32,31,32,31,30,30,30,29,29,30,30),
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2094 => array(31,31,32,31,31,30,30,30,29,30,30,30),
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2095 => array(31,31,32,31,31,31,30,29,30,30,30,30)
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//OH GOD! I am tired.
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);
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private $firstday_en ="1918-04-13";
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private $start_ne = "1975";
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private $start_en = "1918";
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private $end_ne = "2095";
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private $end_en = "2038";
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private $month_name = array('बैशाख', 'जेठ', 'असार', 'साउन', 'भदौ', 'असोज', 'कार्तिक', 'मङ्सिर', 'पुस', 'माघ', 'फाल्गुण', 'चैत');
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private $day_name = array('अाईतबार', 'सोमबार', 'मङ्गलबार', 'बुधबार', 'बिहिबार', 'शुक्रबार', 'शनिवार');
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private function get_week_ne($year, $month, $day)
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{
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$jd = GregorianToJD($month, $day, $year);
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return $this->day_name[JDDayOfWeek($jd,0)];
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}
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private function validate_ne($year, $month, $day)
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{
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if(!array_key_exists($year, $this->nepali_length))
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{
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return 'Invalid <b>Year</b> range';
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}
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if($month >12 || $month<1)
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{
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return 'Invalid <b>Month</b> range';
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}
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if($day>$this->nepali_length[$year][$month-1] || $day<1)
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{
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return 'Invalid <b>Day</b>';
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}
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return TRUE;
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}
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private function validate_en($year, $month, $day)
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{
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if ($year < $this->start_en || $year>$this->end_en) { return 'Invalid Year Range';}
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if ($month < 1 || $month>12) { return 'Invalid Month Range';}
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if ($day < 1 || ($day>cal_days_in_month(CAL_GREGORIAN, $month, $year)))
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{ return 'Invalid day Range';}
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return TRUE;
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}
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//Convert AD to Bs
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public function get_nepali_date($year,$month,$day)
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{
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$validate = $this->validate_en($year, $month, $day);
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if($validate !== TRUE)
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{
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die($validate);
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}
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$date = $year.'-'.$month.'-'.$day;
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$dayname = $this->get_week_ne($year, $month, $day);
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$date_start=date_create($this->firstday_en);
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$date_today=date_create($date);
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$diff=date_diff($date_start,$date_today, true);
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$days = $diff->format("%a");
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$arr='0';
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$mm='';
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for ($i=$this->start_ne; $i<$this->end_ne; $i++)
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{
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$arr+=array_sum($this->nepali_length[$i]);
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if ($arr>$days)
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{
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$year = $i;
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$count_previous=$arr-array_sum($this->nepali_length[$i]);
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$year_previous = $i-1;
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for ($j=0; $j < 12; $j++)
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{
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$count_previous+= $this->nepali_length[$i][$j];
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if($count_previous>$days)
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{
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$month = $j+1; //Even I don't Know Why should I add 1 :p
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$daysss = $count_previous-$days;
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$dayss = ($this->nepali_length[$i][$j]-$daysss)+1;
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break;
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} elseif ($count_previous==$days)
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{
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$year = $i;
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$month = $j+1;
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$day = 1;
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}
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}
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break;
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} elseif($arr==$days)
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{
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$year = $i+1;
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$month = 1;
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$day = 1;
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}
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}
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$date = array();
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$date['y'] = $year;
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$date['m'] = $month;
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$date['M'] = $this->month_name[$month-1];
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$date['d'] = $dayss;
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$date['l'] = $dayname;
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return $date;
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}
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//Convert Nepali Date to english
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public function get_eng_date($year, $month, $day)
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{
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$validate = $this->validate_ne($year, $month, $day);
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if($validate !== TRUE)
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{
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die($validate);
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}
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$date_start = date_create($this->firstday_en);
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$daycount = '0';
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$months=$month-1;
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for($i=$this->start_ne;$i<$year; $i++)
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{
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$daycount+=array_sum($this->nepali_length[$i]);
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}
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for($j=0; $j<$months; $j++)
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{
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$daycount+=$this->nepali_length[$i][$j];
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}
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$daycount+=$day-1;
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$nep = date_add($date_start, date_interval_create_from_date_string($daycount." days"));
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$date = array();
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$date['y'] = date_format($nep, "Y");
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$date['m'] = date_format($nep, "m");
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$date['M'] = date_format($nep, "M");
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$date['d'] = date_format($nep, "d");
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$date['l'] = date_format($nep, "l");
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return $date;
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}
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//end of class
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}
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?>
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