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344 lines
11 KiB
JavaScript
344 lines
11 KiB
JavaScript
/*
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* Copyright (c) 2013 Kevin van Zonneveld (http://kvz.io)
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* and Contributors (http://phpjs.org/authors)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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function phpjsDate(format, timestamp) {
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// discuss at: http://phpjs.org/functions/date/
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// original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com)
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// original by: gettimeofday
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// parts by: Peter-Paul Koch (http://www.quirksmode.org/js/beat.html)
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// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// improved by: MeEtc (http://yass.meetcweb.com)
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// improved by: Brad Touesnard
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// improved by: Tim Wiel
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// improved by: Bryan Elliott
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// improved by: David Randall
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// improved by: Theriault
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// improved by: Theriault
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// improved by: Brett Zamir (http://brett-zamir.me)
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// improved by: Theriault
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// improved by: Thomas Beaucourt (http://www.webapp.fr)
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// improved by: JT
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// improved by: Theriault
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// improved by: Rafal Kukawski (http://blog.kukawski.pl)
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// improved by: Theriault
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// input by: Brett Zamir (http://brett-zamir.me)
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// input by: majak
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// input by: Alex
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// input by: Martin
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// input by: Alex Wilson
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// input by: Haravikk
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// bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// bugfixed by: majak
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// bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// bugfixed by: Brett Zamir (http://brett-zamir.me)
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// bugfixed by: omid (http://phpjs.org/functions/380:380#comment_137122)
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// bugfixed by: Chris (http://www.devotis.nl/)
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// note: Uses global: php_js to store the default timezone
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// note: Although the function potentially allows timezone info (see notes), it currently does not set
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// note: per a timezone specified by date_default_timezone_set(). Implementers might use
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// note: this.php_js.currentTimezoneOffset and this.php_js.currentTimezoneDST set by that function
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// note: in order to adjust the dates in this function (or our other date functions!) accordingly
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// example 1: date('H:m:s \\m \\i\\s \\m\\o\\n\\t\\h', 1062402400);
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// returns 1: '09:09:40 m is month'
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// example 2: date('F j, Y, g:i a', 1062462400);
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// returns 2: 'September 2, 2003, 2:26 am'
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// example 3: date('Y W o', 1062462400);
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// returns 3: '2003 36 2003'
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// example 4: x = date('Y m d', (new Date()).getTime()/1000);
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// example 4: (x+'').length == 10 // 2009 01 09
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// returns 4: true
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// example 5: date('W', 1104534000);
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// returns 5: '53'
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// example 6: date('B t', 1104534000);
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// returns 6: '999 31'
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// example 7: date('W U', 1293750000.82); // 2010-12-31
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// returns 7: '52 1293750000'
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// example 8: date('W', 1293836400); // 2011-01-01
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// returns 8: '52'
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// example 9: date('W Y-m-d', 1293974054); // 2011-01-02
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// returns 9: '52 2011-01-02'
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var that = this;
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var jsdate, f;
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// Keep this here (works, but for code commented-out below for file size reasons)
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// var tal= [];
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var txt_words = [
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'Sun', 'Mon', 'Tues', 'Wednes', 'Thurs', 'Fri', 'Satur',
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December'
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];
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// trailing backslash -> (dropped)
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// a backslash followed by any character (including backslash) -> the character
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// empty string -> empty string
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var formatChr = /\\?(.?)/gi;
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var formatChrCb = function(t, s) {
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return f[t] ? f[t]() : s;
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};
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var _pad = function(n, c) {
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n = String(n);
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while (n.length < c) {
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n = '0' + n;
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}
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return n;
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};
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f = {
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// Day
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d : function() {
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// Day of month w/leading 0; 01..31
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return _pad(f.j(), 2);
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},
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D : function() {
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// Shorthand day name; Mon...Sun
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return f.l()
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.slice(0, 3);
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},
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j : function() {
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// Day of month; 1..31
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return jsdate.getDate();
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},
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l : function() {
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// Full day name; Monday...Sunday
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return txt_words[f.w()] + 'day';
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},
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N : function() {
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// ISO-8601 day of week; 1[Mon]..7[Sun]
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return f.w() || 7;
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},
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S : function() {
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// Ordinal suffix for day of month; st, nd, rd, th
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var j = f.j();
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var i = j % 10;
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if (i <= 3 && parseInt((j % 100) / 10, 10) == 1) {
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i = 0;
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}
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return ['st', 'nd', 'rd'][i - 1] || 'th';
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},
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w : function() {
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// Day of week; 0[Sun]..6[Sat]
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return jsdate.getDay();
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},
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z : function() {
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// Day of year; 0..365
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var a = new Date(f.Y(), f.n() - 1, f.j());
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var b = new Date(f.Y(), 0, 1);
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return Math.round((a - b) / 864e5);
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},
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// Week
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W : function() {
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// ISO-8601 week number
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var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3);
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var b = new Date(a.getFullYear(), 0, 4);
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return _pad(1 + Math.round((a - b) / 864e5 / 7), 2);
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},
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// Month
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F : function() {
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// Full month name; January...December
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return txt_words[6 + f.n()];
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},
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m : function() {
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// Month w/leading 0; 01...12
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return _pad(f.n(), 2);
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},
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M : function() {
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// Shorthand month name; Jan...Dec
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return f.F()
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.slice(0, 3);
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},
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n : function() {
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// Month; 1...12
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return jsdate.getMonth() + 1;
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},
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t : function() {
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// Days in month; 28...31
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return (new Date(f.Y(), f.n(), 0))
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.getDate();
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},
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// Year
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L : function() {
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// Is leap year?; 0 or 1
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var j = f.Y();
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return j % 4 === 0 & j % 100 !== 0 | j % 400 === 0;
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},
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o : function() {
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// ISO-8601 year
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var n = f.n();
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var W = f.W();
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var Y = f.Y();
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return Y + (n === 12 && W < 9 ? 1 : n === 1 && W > 9 ? -1 : 0);
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},
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Y : function() {
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// Full year; e.g. 1980...2010
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return jsdate.getFullYear();
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},
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y : function() {
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// Last two digits of year; 00...99
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return f.Y()
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.toString()
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.slice(-2);
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},
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// Time
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a : function() {
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// am or pm
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return jsdate.getHours() > 11 ? 'pm' : 'am';
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},
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A : function() {
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// AM or PM
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return f.a()
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.toUpperCase();
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},
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B : function() {
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// Swatch Internet time; 000..999
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var H = jsdate.getUTCHours() * 36e2;
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// Hours
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var i = jsdate.getUTCMinutes() * 60;
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// Minutes
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// Seconds
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var s = jsdate.getUTCSeconds();
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return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
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},
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g : function() {
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// 12-Hours; 1..12
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return f.G() % 12 || 12;
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},
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G : function() {
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// 24-Hours; 0..23
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return jsdate.getHours();
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},
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h : function() {
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// 12-Hours w/leading 0; 01..12
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return _pad(f.g(), 2);
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},
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H : function() {
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// 24-Hours w/leading 0; 00..23
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return _pad(f.G(), 2);
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},
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i : function() {
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// Minutes w/leading 0; 00..59
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return _pad(jsdate.getMinutes(), 2);
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},
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s : function() {
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// Seconds w/leading 0; 00..59
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return _pad(jsdate.getSeconds(), 2);
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},
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u : function() {
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// Microseconds; 000000-999000
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return _pad(jsdate.getMilliseconds() * 1000, 6);
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},
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// Timezone
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e : function() {
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// Timezone identifier; e.g. Atlantic/Azores, ...
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// The following works, but requires inclusion of the very large
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// timezone_abbreviations_list() function.
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/* return that.date_default_timezone_get();
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*/
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throw 'Not supported (see source code of date() for timezone on how to add support)';
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},
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I : function() {
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// DST observed?; 0 or 1
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// Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
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// If they are not equal, then DST is observed.
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var a = new Date(f.Y(), 0);
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// Jan 1
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var c = Date.UTC(f.Y(), 0);
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// Jan 1 UTC
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var b = new Date(f.Y(), 6);
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// Jul 1
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// Jul 1 UTC
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var d = Date.UTC(f.Y(), 6);
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return ((a - c) !== (b - d)) ? 1 : 0;
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},
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O : function() {
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// Difference to GMT in hour format; e.g. +0200
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var tzo = jsdate.getTimezoneOffset();
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var a = Math.abs(tzo);
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return (tzo > 0 ? '-' : '+') + _pad(Math.floor(a / 60) * 100 + a % 60, 4);
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},
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P : function() {
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// Difference to GMT w/colon; e.g. +02:00
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var O = f.O();
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return (O.substr(0, 3) + ':' + O.substr(3, 2));
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},
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T : function() {
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// Timezone abbreviation; e.g. EST, MDT, ...
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// The following works, but requires inclusion of the very
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// large timezone_abbreviations_list() function.
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/* var abbr, i, os, _default;
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if (!tal.length) {
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tal = that.timezone_abbreviations_list();
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}
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if (that.php_js && that.php_js.default_timezone) {
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_default = that.php_js.default_timezone;
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for (abbr in tal) {
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for (i = 0; i < tal[abbr].length; i++) {
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if (tal[abbr][i].timezone_id === _default) {
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return abbr.toUpperCase();
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}
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}
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}
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}
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for (abbr in tal) {
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for (i = 0; i < tal[abbr].length; i++) {
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os = -jsdate.getTimezoneOffset() * 60;
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if (tal[abbr][i].offset === os) {
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return abbr.toUpperCase();
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}
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}
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}
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*/
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return 'UTC';
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},
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Z : function() {
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// Timezone offset in seconds (-43200...50400)
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return -jsdate.getTimezoneOffset() * 60;
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},
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// Full Date/Time
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c : function() {
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// ISO-8601 date.
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return 'Y-m-d\\TH:i:sP'.replace(formatChr, formatChrCb);
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},
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r : function() {
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// RFC 2822
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return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
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},
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U : function() {
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// Seconds since UNIX epoch
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return jsdate / 1000 | 0;
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}
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};
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this.date = function(format, timestamp) {
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that = this;
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jsdate = (timestamp === undefined ? new Date() : // Not provided
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(timestamp instanceof Date) ? new Date(timestamp) : // JS Date()
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new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
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);
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return format.replace(formatChr, formatChrCb);
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};
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return this.date(format, timestamp);
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} |