@ new date_sunrise() function.
@ new date_sunset() function.
#since i have no premission updating the win32 project file, i'm sending patch on the list.
PHP_FE(strtotime, NULL)
PHP_FE(date, NULL)
+ PHP_FE(idate, NULL)
PHP_FE(gmdate, NULL)
PHP_FE(getdate, NULL)
PHP_FE(localtime, NULL)
PHP_FE(output_add_rewrite_var, NULL)
PHP_FE(output_reset_rewrite_vars, NULL)
+ PHP_FE(date_sunrise, NULL)
+ PHP_FE(date_sunset, NULL)
{NULL, NULL, NULL}
};
PHP_INI_BEGIN()
PHP_INI_ENTRY_EX("safe_mode_protected_env_vars", SAFE_MODE_PROTECTED_ENV_VARS, PHP_INI_SYSTEM, OnUpdateSafeModeProtectedEnvVars, NULL)
PHP_INI_ENTRY_EX("safe_mode_allowed_env_vars", SAFE_MODE_ALLOWED_ENV_VARS, PHP_INI_SYSTEM, OnUpdateSafeModeAllowedEnvVars, NULL)
+ PHP_INI_ENTRY("date.default_latitude", DATE_DEFAULT_LATITUDE, PHP_INI_ALL, NULL)
+ PHP_INI_ENTRY("date.default_longitude", DATE_DEFAULT_LONGITUDE, PHP_INI_ALL, NULL)
+ PHP_INI_ENTRY("date.sunset_zenith",DATE_SUNSET_ZENITH, PHP_INI_ALL, NULL)
+ PHP_INI_ENTRY("date.sunrise_zenith",DATE_SUNRISE_ZENITH, PHP_INI_ALL, NULL)
PHP_INI_END()
REGISTER_LONG_CONSTANT("INI_PERDIR", ZEND_INI_PERDIR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("INI_SYSTEM", ZEND_INI_SYSTEM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("INI_ALL", ZEND_INI_ALL, CONST_CS | CONST_PERSISTENT);
+
+ REGISTER_LONG_CONSTANT("SUNFUNCS_RET_TIMESTAMP", SUNFUNCS_RET_TIMESTAMP, CONST_CS | CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("SUNFUNCS_RET_STRING", SUNFUNCS_RET_STRING, CONST_CS | CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("SUNFUNCS_RET_DOUBLE", SUNFUNCS_RET_DOUBLE, CONST_CS | CONST_PERSISTENT);
#define REGISTER_MATH_CONSTANT(x) REGISTER_DOUBLE_CONSTANT(#x, x, CONST_CS | CONST_PERSISTENT)
REGISTER_MATH_CONSTANT(M_E);
incomplete_class.c url_scanner_ex.c ftp_fopen_wrapper.c \
http_fopen_wrapper.c php_fopen_wrapper.c credits.c css.c \
var_unserializer.c ftok.c aggregation.c sha1.c user_filters.c \
- filters.c proc_open.c )
+ filters.c proc_open.c sunfuncs.c)
PHP_ADD_MAKEFILE_FRAGMENT
}
/* }}} */
+
+/* {{{ idate */
+int idate(char format, int timestamp, int gm)
+{
+ time_t the_time;
+ struct tm *ta, tmbuf;
+ int h, beat, fd, wd, yd, wk;
+#if !HAVE_TM_GMTOFF
+ long tzone;
+ char *tname[2]= {"GMT Standard Time", "BST"};
+#endif
+
+ the_time = timestamp;
+
+ if (gm) {
+ ta = php_gmtime_r(&the_time, &tmbuf);
+#if !HAVE_TM_GMTOFF
+ tzone = 0;
+#endif
+ } else {
+ ta = php_localtime_r(&the_time, &tmbuf);
+#if !HAVE_TM_GMTOFF
+#ifdef __CYGWIN__
+ tzone = _timezone;
+#else
+ tzone = timezone;
+#endif
+ tname[0] = tzname[0];
+#endif
+ }
+
+ switch (format) {
+ case 'U': /* seconds since the epoch */
+ return (long)the_time;
+ case 'Y': /* year, numeric, 4 digits */
+ return ta->tm_year + YEAR_BASE;
+ case 'z': /* day (of the year) */
+ return ta->tm_yday;
+ case 'y': /* year, numeric, 2 digits */
+ return (ta->tm_year)%100;
+ case 'm': /* month, numeric */
+ case 'n':
+ return ta->tm_mon + 1;
+ case 'd': /* day of the month, numeric */
+ case 'j':
+ return ta->tm_mday;
+ case 'H': /* hour, numeric, 24 hour format */
+ case 'G':
+ return ta->tm_hour;
+ case 'h': /* hour, numeric, 12 hour format */
+ case 'g':
+ h = ta->tm_hour % 12; if (h==0) h = 12;
+ return h;
+ case 'i': /* minutes, numeric */
+ return ta->tm_min;
+ case 's': /* seconds, numeric */
+ return ta->tm_sec;
+ case 't': /* days in current month */
+ return phpday_tab[isleap((ta->tm_year+YEAR_BASE))][ta->tm_mon];
+ case 'w': /* day of the week, numeric EXTENSION */
+ return ta->tm_wday;
+ case 'Z': /* timezone offset in seconds */
+#if HAVE_TM_GMTOFF
+ return ta->tm_gmtoff;
+#else
+ return ta->tm_isdst ? -(tzone- 3600) : -tzone;
+#endif
+ case 'L': /* boolean for leapyear */
+ return isleap(ta->tm_year+YEAR_BASE)?1:0;
+ case 'B': /* Swatch Beat a.k.a. Internet Time */
+ beat = (((((long)the_time)-(((long)the_time) -
+ ((((long)the_time) % 86400) + 3600))) * 10) / 864);
+ while (beat < 0) {
+ beat += 1000;
+ }
+ beat = beat % 1000;
+ return beat;
+ case 'I':
+ return ta->tm_isdst;
+ case 'W': /* ISO-8601 week number of year, weeks starting on Monday */
+ wd = ta->tm_wday==0 ? 6 : ta->tm_wday-1;/* weekday */
+ yd = ta->tm_yday + 1; /* days since January 1st */
+ fd = (7 + wd - yd % 7+ 1) % 7; /* weekday (1st January) */ /* week is a last year week (52 or 53) */
+ if ((yd <= 7 - fd) && fd > 3){
+ wk = (fd == 4 || (fd == 5 && isleap((ta->tm_year + YEAR_BASE - 1)))) ? 53 : 52;
+ }
+ /* week is a next year week (1) */
+ else if (isleap((ta->tm_year+YEAR_BASE)) + 365 - yd < 3 - wd){
+ wk = 1;
+ }
+ /* normal week */
+ else {
+ wk = (yd + 6 - wd + fd) / 7 - (fd > 3);
+ }
+ return wk;
+ break;
+ default:
+ return 0;
+ }
+
+}
+/* }}} */
+
+/* {{{ proto int idate(string format [, int timestamp])
+ Format a local time/date as integer */
+PHP_FUNCTION(idate)
+{
+ pval **format, **timestamp;
+ int t, ret;
+
+ switch(ZEND_NUM_ARGS()) {
+ case 1:
+ if (zend_get_parameters_ex(1, &format) == FAILURE) {
+ WRONG_PARAM_COUNT;
+ }
+ t = time(NULL);
+ break;
+ case 2:
+ if (zend_get_parameters_ex(2, &format, ×tamp) == FAILURE) {
+ WRONG_PARAM_COUNT;
+ }
+ convert_to_long_ex(timestamp);
+ t = Z_LVAL_PP(timestamp);
+ break;
+ default:
+ WRONG_PARAM_COUNT;
+ }
+ convert_to_string_ex(format);
+
+ if (Z_STRLEN_PP(format) != 1) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "idate format is one char");
+ RETURN_FALSE;
+ }
+
+ ret = idate(Z_STRVAL_PP(format)[0], t, 0);
+ RETURN_LONG(ret);
+}
+/* }}} */
+
+
/* {{{ proto string gmdate(string format [, int timestamp])
Format a GMT/UTC date/time */
PHP_FUNCTION(gmdate)
PHP_FUNCTION(mktime);
PHP_FUNCTION(gmmktime);
PHP_FUNCTION(date);
+PHP_FUNCTION(idate);
PHP_FUNCTION(gmdate);
PHP_FUNCTION(localtime);
PHP_FUNCTION(getdate);
#endif
PHP_FUNCTION(strtotime);
+int idate(char format, int timestamp, int gm);
extern char *php_std_date(time_t t);
void php_mktime(INTERNAL_FUNCTION_PARAMETERS, int gm);
#if HAVE_STRFTIME
#include "php_ftok.h"
#include "php_type.h"
#include "aggregation.h"
+#include "sunfuncs.h"
#define phpext_standard_ptr basic_functions_module_ptr
PHP_MINIT_FUNCTION(standard_filters);
--- /dev/null
+/*
+ The sun position algorithm taken from the 'US Naval Observatory's
+ Almanac for Computers', implemented by Ken Bloom <kekabloom@ucdavis.edu>
+ for the zmanim project <http://sourceforge.net/projects/zmanim/>
+ and finally converted to C by Moshe Doron <mosdoron@netvision.net.il>.
+*/
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include "sunfuncs.h"
+#include "php.h"
+#include "datetime.h"
+#include "php_ini.h"
+
+
+
+/* {{{ proto mixed sunrise(mixed time[, int format][, float latitude][, float longitude][, float zenith,][ float gmt_offset])
+ Returns time of sunrise for a given day & location */
+PHP_FUNCTION(date_sunrise)
+{
+ zval *date;
+ double latitude, longitude, zenith, gmt_offset, ret;
+ int time, N, retformat;
+ char retstr[6];
+
+
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|ldddd", &date, &retformat, &latitude, &longitude, &zenith, &gmt_offset) == FAILURE) {
+ RETURN_FALSE;
+ }
+
+ switch(Z_TYPE_P(date)){
+ case IS_LONG:
+ time = Z_LVAL_P(date);
+ break;
+ case IS_STRING:
+ /* todo: more user friendly format */
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "date must be timestamp for now");
+ RETURN_FALSE;
+ }
+ N = idate('z',time,0)+1;
+
+ switch(ZEND_NUM_ARGS()){
+ case 1:
+ retformat = SUNFUNCS_RET_STRING;
+ case 2:
+ latitude = INI_FLT("date.default_latitude");
+ case 3:
+ longitude = INI_FLT("date.default_longitude");
+ case 4:
+ zenith = INI_FLT("date.sunrise_zenith");
+ case 5:
+ gmt_offset = idate('Z',time,0)/3600;
+ default:
+ break;
+ }
+
+ ret = sunrise(N, latitude, longitude, zenith) + gmt_offset;
+
+ switch(retformat){
+ case SUNFUNCS_RET_TIMESTAMP:
+ RETURN_LONG((int)(time-(time%(24*3600)))+(int)(60*ret));
+ break;
+ case SUNFUNCS_RET_STRING:
+ N = (int)ret;
+ sprintf(retstr, "%02d:%02d", N,(int)(60*(ret-(double)N)));
+ RETVAL_STRINGL(retstr, 5, 1);
+ break;
+ case SUNFUNCS_RET_DOUBLE:
+ RETURN_DOUBLE(ret);
+ break;
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid format");
+ RETURN_FALSE;
+ }
+}
+/* }}} */
+
+/* returns time in UTC */
+double sunrise(long N, double latitude, double longitude, double zenith) {
+
+ double lngHour, t, M, L, Lx, RA, RAx, Lquadrant, RAquadrant, sinDec, cosDec, cosH, H, T, UT, UTx;
+
+ /* step 1: First calculate the day of the year
+ int N=theday - date(1,1,theday.year()) + 1;
+ */
+
+ /* step 2: convert the longitude to hour value and calculate an approximate time */
+ lngHour= longitude / 15;
+
+ /* use 18 for sunset instead of 6 */
+ t = (double)N + ((6 - lngHour) / 24);
+
+ /* step 3: calculate the sun's mean anomaly */
+ M = (0.9856 * t) - 3.289;
+
+ /* step 4: calculate the sun's true longitude */
+ L = M + (1.916 * sin(to_rad(M))) + (0.020 * sin (to_rad(2 * M))) + 282.634;
+ while (L<0)
+ {
+ Lx=L+360;
+ assert (Lx != L); /* askingtheguru: realy needed? */
+ L = Lx;
+ }
+ while (L>=360)
+ {
+ Lx=L-360;
+ assert (Lx != L); /* askingtheguru: realy needed? */
+ L = Lx;
+ }
+
+ /* step 5a: calculate the sun's right ascension */
+ RA = to_deg(atan (0.91764 * tan(to_rad(L))));
+
+ while (RA<0)
+ {
+ RAx=RA+360;
+ assert (RAx != RA); /* askingtheguru: realy needed? */
+ RA = RAx;
+ }
+ while (RA>=360)
+ {
+ RAx=RA-360;
+ assert (RAx != RA); /* askingtheguru: realy needed? */
+ RA = RAx;
+ }
+
+ /* step 5b: right ascension value needs to be in the same quadrant as L */
+ Lquadrant = floor(L/90)*90;
+ RAquadrant = floor(RA/90)*90;
+ RA=RA+(Lquadrant - RAquadrant);
+
+ /* step 5c: right ascension value needs to be converted into hours */
+ RA/=15;
+
+ /* step 6: calculate the sun's declination */
+ sinDec = 0.39782 * sin(to_rad(L));
+ cosDec = cos(asin(sinDec));
+
+ /* step 7a: calculate the sun's local hour angle */
+ cosH = (cos(to_rad(zenith)) - (sinDec * sin(to_rad(latitude)))) / (cosDec * cos(to_rad(latitude)));
+
+ if (cosH > 1){
+ /* throw doesnthappen(); */
+ }
+
+ /*
+ FOR SUNSET use the following instead of the above if statement.
+ // if (cosH < -1)
+ */
+
+ /* step 7b: finish calculating H and convert into hours */
+ H = 360 - to_deg(acos(cosH));
+
+ /* FOR SUNSET remove "360 - " from the above */
+
+ H=H/15;
+
+ /* step 8: calculate local mean time */
+ T = H + RA - (0.06571 * t) - 6.622;
+
+ /* step 9: convert to UTC */
+ UT = T - lngHour;
+ while (UT<0) {
+ UTx=UT+24;
+ assert (UTx != UT); /* askingtheguru: realy needed? */
+ UT = UTx;
+ }
+ while (UT>=24) {
+ UTx=UT-24;
+ assert (UTx != UT); /* askingtheguru: realy needed? */
+ UT = UTx;
+ }
+
+ return UT;
+}
+
+/* {{{ proto mixed sunset(mixed time[, int format][, float latitude][, float longitude][, float zenith,][ float gmt_offset])
+ Returns time of sunset for a given day & location */
+PHP_FUNCTION(date_sunset)
+{
+ zval *date;
+ double latitude, longitude, zenith, gmt_offset, ret;
+ int time, N, retformat;
+ char retstr[6];
+
+
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|ldddd", &date, &retformat, &latitude, &longitude, &zenith, &gmt_offset) == FAILURE) {
+ RETURN_FALSE;
+ }
+
+ switch(Z_TYPE_P(date)){
+ case IS_LONG:
+ time = Z_LVAL_P(date);
+ break;
+ case IS_STRING:
+ /* todo: more user friendly format */
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "date must be timestamp for now");
+ RETURN_FALSE;
+ }
+ N = idate('z',time,0)+1;
+
+ switch(ZEND_NUM_ARGS()){
+ case 1:
+ retformat = SUNFUNCS_RET_STRING;
+ case 2:
+ latitude = INI_FLT("date.default_latitude");
+ case 3:
+ longitude = INI_FLT("date.default_longitude");
+ case 4:
+ zenith = INI_FLT("date.sunset_zenith");
+ case 5:
+ gmt_offset = idate('Z',time,0)/3600;
+ default:
+ break;
+ }
+
+ ret = sunset(N, latitude, longitude, zenith) + gmt_offset;
+
+ switch(retformat){
+ case SUNFUNCS_RET_TIMESTAMP:
+ RETURN_LONG((int)(time-(time%(24*3600)))+(int)(60*ret));
+ break;
+ case SUNFUNCS_RET_STRING:
+ N = (int)ret;
+ sprintf(retstr, "%02d:%02d", N,(int)(60*(ret-(double)N)));
+ RETVAL_STRINGL(retstr, 5, 1);
+ break;
+ case SUNFUNCS_RET_DOUBLE:
+ RETURN_DOUBLE(ret);
+ break;
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid format");
+ RETURN_FALSE;
+ }
+}
+/* }}} */
+
+
+/* returns time in UTC */
+double sunset(long N, double latitude, double longitude, double zenith)
+{
+
+ double lngHour, t, M, L, Lx, RA, RAx, Lquadrant, RAquadrant, sinDec, cosDec, cosH, H, T, UT, UTx;
+
+ /*
+ //step 1: First calculate the day of the year
+ int N=theday - date(1,1,theday.year()) + 1;
+ */
+
+ /* step 2: convert the longitude to hour value and calculate an approximate time */
+ lngHour= longitude / 15;
+
+ t = (double)N + ((18 - lngHour) / 24);
+
+ /* step 3: calculate the sun's mean anomaly */
+ M = (0.9856 * t) - 3.289;
+
+ /* step 4: calculate the sun's true longitude */
+ L = M + (1.916 * sin(to_rad(M))) + (0.020 * sin (to_rad(2 * M))) + 282.634;
+ while (L<0)
+ {
+ Lx=L+360;
+ assert (Lx != L); /* askingtheguru: realy needed? */
+ L = Lx;
+ }
+ while (L>=360)
+ {
+ Lx=L-360;
+ assert (Lx != L); /* askingtheguru: realy needed? */
+ L = Lx;
+ }
+
+ /* step 5a: calculate the sun's right ascension */
+ RA = to_deg(atan (0.91764 * tan(to_rad(L))));
+ while (RA<0)
+ {
+ RAx=RA+360;
+ assert (RAx != RA); /* askingtheguru: realy needed? */
+ RA = RAx;
+ }
+ while (RA>=360)
+ {
+ RAx=RA-360;
+ assert (RAx != RA); /* askingtheguru: realy needed? */
+ RA = RAx;
+ }
+
+ /* step 5b: right ascension value needs to be in the same quadrant as L */
+ Lquadrant = floor(L/90)*90;
+ RAquadrant = floor(RA/90)*90;
+ RA=RA+(Lquadrant - RAquadrant);
+
+ /* step 5c: right ascension value needs to be converted into hours */
+ RA/=15;
+
+ /* step 6: calculate the sun's declination */
+ sinDec = 0.39782 * sin(to_rad(L));
+ cosDec = cos(asin(sinDec));
+
+ /* step 7a: calculate the sun's local hour angle */
+ cosH = (cos(to_rad(zenith)) - (sinDec * sin(to_rad(latitude)))) / (cosDec * cos(to_rad(latitude)));
+
+ /*
+ if (cosH < -1)
+ throw doesnthappen();
+ */
+
+ /* step 7b: finish calculating H and convert into hours */
+ H = to_deg(acos(cosH));
+ H=H/15;
+
+ /* step 8: calculate local mean time */
+ T = H + RA - (0.06571 * t) - 6.622;
+
+ /* step 9: convert to UTC */
+ UT = T - lngHour;
+ while (UT<0) {
+ UTx=UT+24;
+ assert (UTx != UT); /* askingtheguru: realy needed? */
+ UT = UTx;
+ }
+ while (UT>=24) {
+ UTx=UT-24;
+ assert (UTx != UT); /* askingtheguru: realy needed? */
+ UT = UTx;
+ }
+
+ return UT;
+}
--- /dev/null
+#ifndef SUNFUNCS_H
+#define SUNFUNCS_H
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+#define to_rad(degrees) (degrees * M_PI / 180)
+#define to_rad_with_min(degrees) (degrees + minutes / 60)
+#define to_deg(rad) (rad * 180 / M_PI)
+
+
+/* default ini entries: */
+/* Jerusalem one. */
+#define DATE_DEFAULT_LATITUDE "31.7667"
+#define DATE_DEFAULT_LONGITUDE "35.2333"
+/* on 90'50; common jewish sunset declaration (start of sun body appear) */
+#define DATE_SUNSET_ZENITH "90.83"
+/* on 90'50; common jewish sunrise declaration (sun body disappeared) */
+#define DATE_SUNRISE_ZENITH "90.83"
+
+#define SUNFUNCS_RET_TIMESTAMP 0
+#define SUNFUNCS_RET_STRING 1
+#define SUNFUNCS_RET_DOUBLE 2
+double sunrise(long N, double latitude, double longitude, double zenith);
+double sunset(long N, double latitude, double longitude, double zenith);
+
+PHP_FUNCTION(date_sunrise);
+PHP_FUNCTION(date_sunset);
+
+#endif /* SUNFUNCS_H */
--- /dev/null
+--TEST--
+idate() function
+--FILE--
+<?
+for($a=1;$a<=12;$a++){
+ echo date_sunrise(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_TIMESTAMP,31.76670,35.23330,90.83,2)." ";
+ echo date_sunrise(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_STRING,31.76670,35.23330,90.83,2)." ";
+ echo date_sunrise(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_DOUBLE,31.76670,35.23330,90.83,2)."\n";
+
+ echo date_sunset(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_TIMESTAMP,31.76670,35.23330,90.83,2)." ";
+ echo date_sunset(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_STRING,31.76670,35.23330,90.83,2)." ";
+ echo date_sunset(mktime(1,1,1,$a,1,2003),SUNFUNCS_RET_DOUBLE,31.76670,35.23330,90.83,2)."\n";
+}
+?>
+--EXPECT--
+1041293199 06:39 6.6524557618962
+1041293806 16:46 16.769374867459
+1043971592 06:32 6.5453702926602
+1043972233 17:13 17.217524708736
+1046390766 06:06 6.1156526756851
+1046391456 17:36 17.6108549623
+1049069128 05:28 5.4727420290691
+1049069878 17:58 17.972552584375
+1051661094 04:54 4.9012299828593
+1051661898 18:18 18.313688769483
+1054339474 04:34 4.5744292894498
+1054340319 18:39 18.656400943241
+1056931476 04:36 4.6161204505189
+1056932328 18:48 18.808871657766
+1059609894 04:54 4.9068825098365
+1059610715 18:35 18.599286002028
+1062288314 05:14 5.2368895570738
+1062289083 18:03 18.060541787879
+1064880332 05:32 5.542366581139
+1064881044 17:24 17.411505614917
+1067558754 05:54 5.9162088420581
+1067559410 16:50 16.833698570628
+1070150780 06:20 6.3462215520697
+1070151395 16:35 16.583589055537
--- /dev/null
+--TEST--
+idate() function
+--FILE--
+<?
+$tmp = "UYzymndjHGhgistwLBIW";
+for($a=0;$a<strlen($tmp);$a++){
+ echo idate($tmp{$a},1043324459)."\n";
+}
+?>
+--EXPECT--
+1043324459
+2003
+22
+3
+1
+1
+23
+23
+12
+12
+12
+12
+20
+59
+31
+4
+0
+556
+0
+4