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Edit: date

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Code:	function date (format, timestamp) { // http://jsphp.co/jsphp/fn/view/date // + original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com) // + parts by: Peter-Paul Koch (http://www.quirksmode.org/js/beat.html) // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: MeEtc (http://yass.meetcweb.com) // + improved by: Brad Touesnard // + improved by: Tim Wiel // + improved by: Bryan Elliott // // + improved by: Brett Zamir (http://brett-zamir.me) // + improved by: David Randall // + input by: Brett Zamir (http://brett-zamir.me) // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: Brett Zamir (http://brett-zamir.me) // + improved by: Brett Zamir (http://brett-zamir.me) // + improved by: Theriault // + derived from: gettimeofday // + input by: majak // + bugfixed by: majak // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + input by: Alex // + bugfixed by: Brett Zamir (http://brett-zamir.me) // + improved by: Theriault // + improved by: Brett Zamir (http://brett-zamir.me) // + improved by: Theriault // + improved by: Thomas Beaucourt (http://www.webapp.fr) // + improved by: JT // + improved by: Theriault // + improved by: Rafał Kukawski (http://blog.kukawski.pl) // + bugfixed by: omid (http://phpjs.org/functions/380:380#comment_137122) // + input by: Martin // + input by: Alex Wilson // % note 1: Uses global: php_js to store the default timezone // % note 2: Although the function potentially allows timezone info (see notes), it currently does not set // % note 2: per a timezone specified by date_default_timezone_set(). Implementers might use // % note 2: this.php_js.currentTimezoneOffset and this.php_js.currentTimezoneDST set by that function // % note 2: in order to adjust the dates in this function (or our other date functions!) accordingly // * example 1: date('H:m:s \\m \\i\\s \\m\\o\\n\\t\\h', 1062402400); // * returns 1: '09:09:40 m is month' // * example 2: date('F j, Y, g:i a', 1062462400); // * returns 2: 'September 2, 2003, 2:26 am' // * example 3: date('Y W o', 1062462400); // * returns 3: '2003 36 2003' // * example 4: x = date('Y m d', (new Date()).getTime()/1000); // * example 4: (x+'').length == 10 // 2009 01 09 // * returns 4: true // * example 5: date('W', 1104534000); // * returns 5: '53' // * example 6: date('B t', 1104534000); // * returns 6: '999 31' // * example 7: date('W U', 1293750000.82); // 2010-12-31 // * returns 7: '52 1293750000' // * example 8: date('W', 1293836400); // 2011-01-01 // * returns 8: '52' // * example 9: date('W Y-m-d', 1293974054); // 2011-01-02 // * returns 9: '52 2011-01-02' var that = this, jsdate, f, formatChr = /\\?([a-z])/gi, formatChrCb, // Keep this here (works, but for code commented-out // below for file size reasons) //, tal= [], _pad = function (n, c) { if ((n = n + '').length < c) { return new Array((++c) - n.length).join('0') + n; } return n; }, txt_words = ["Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; formatChrCb = function (t, s) { return f[t] ? f[t]() : s; }; f = { // Day d: function () { // Day of month w/leading 0; 01..31 return _pad(f.j(), 2); }, D: function () { // Shorthand day name; Mon...Sun return f.l().slice(0, 3); }, j: function () { // Day of month; 1..31 return jsdate.getDate(); }, l: function () { // Full day name; Monday...Sunday return txt_words[f.w()] + 'day'; }, N: function () { // ISO-8601 day of week; 1[Mon]..7[Sun] return f.w() \|\| 7; }, S: function () { // Ordinal suffix for day of month; st, nd, rd, th var j = f.j(); return j < 4 \| j > 20 && ['st', 'nd', 'rd'][j%10 - 1] \|\| 'th'; }, w: function () { // Day of week; 0[Sun]..6[Sat] return jsdate.getDay(); }, z: function () { // Day of year; 0..365 var a = new Date(f.Y(), f.n() - 1, f.j()), b = new Date(f.Y(), 0, 1); return Math.round((a - b) / 864e5) + 1; }, // Week W: function () { // ISO-8601 week number var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3), b = new Date(a.getFullYear(), 0, 4); return _pad(1 + Math.round((a - b) / 864e5 / 7), 2); }, // Month F: function () { // Full month name; January...December return txt_words[6 + f.n()]; }, m: function () { // Month w/leading 0; 01...12 return _pad(f.n(), 2); }, M: function () { // Shorthand month name; Jan...Dec return f.F().slice(0, 3); }, n: function () { // Month; 1...12 return jsdate.getMonth() + 1; }, t: function () { // Days in month; 28...31 return (new Date(f.Y(), f.n(), 0)).getDate(); }, // Year L: function () { // Is leap year?; 0 or 1 var j = f.Y(); return j%4==0 & j%100!=0 \| j%400==0; }, o: function () { // ISO-8601 year var n = f.n(), W = f.W(), Y = f.Y(); return Y + (n === 12 && W < 9 ? -1 : n === 1 && W > 9); }, Y: function () { // Full year; e.g. 1980...2010 return jsdate.getFullYear(); }, y: function () { // Last two digits of year; 00...99 return (f.Y() + "").slice(-2); }, // Time a: function () { // am or pm return jsdate.getHours() > 11 ? "pm" : "am"; }, A: function () { // AM or PM return f.a().toUpperCase(); }, B: function () { // Swatch Internet time; 000..999 var H = jsdate.getUTCHours() * 36e2, // Hours i = jsdate.getUTCMinutes() * 60, // Minutes s = jsdate.getUTCSeconds(); // Seconds return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3); }, g: function () { // 12-Hours; 1..12 return f.G() % 12 \|\| 12; }, G: function () { // 24-Hours; 0..23 return jsdate.getHours(); }, h: function () { // 12-Hours w/leading 0; 01..12 return _pad(f.g(), 2); }, H: function () { // 24-Hours w/leading 0; 00..23 return _pad(f.G(), 2); }, i: function () { // Minutes w/leading 0; 00..59 return _pad(jsdate.getMinutes(), 2); }, s: function () { // Seconds w/leading 0; 00..59 return _pad(jsdate.getSeconds(), 2); }, u: function () { // Microseconds; 000000-999000 return _pad(jsdate.getMilliseconds() * 1000, 6); }, // Timezone e: function () { // Timezone identifier; e.g. Atlantic/Azores, ... // The following works, but requires inclusion of the very large // timezone_abbreviations_list() function. /* return this.date_default_timezone_get(); / throw 'Not supported (see source code of date() for timezone on how to add support)'; }, I: function () { // DST observed?; 0 or 1 // Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC. // If they are not equal, then DST is observed. var a = new Date(f.Y(), 0), // Jan 1 c = Date.UTC(f.Y(), 0), // Jan 1 UTC b = new Date(f.Y(), 6), // Jul 1 d = Date.UTC(f.Y(), 6); // Jul 1 UTC return 0 + ((a - c) !== (b - d)); }, O: function () { // Difference to GMT in hour format; e.g. +0200 var tzo = jsdate.getTimezoneOffset(), a = Math.abs(tzo); return (tzo > 0 ? "-" : "+") + _pad(Math.floor(a / 60) 100 + a % 60, 4); }, P: function () { // Difference to GMT w/colon; e.g. +02:00 var O = f.O(); return (O.substr(0, 3) + ":" + O.substr(3, 2)); }, T: function () { // Timezone abbreviation; e.g. EST, MDT, ... // The following works, but requires inclusion of the very // large timezone_abbreviations_list() function. /* var abbr = '', i = 0, os = 0, default = 0; if (!tal.length) { tal = that.timezone_abbreviations_list(); } if (that.php_js && that.php_js.default_timezone) { default = that.php_js.default_timezone; for (abbr in tal) { for (i=0; i < tal[abbr].length; i++) { if (tal[abbr][i].timezone_id === default) { return abbr.toUpperCase(); } } } } for (abbr in tal) { for (i = 0; i < tal[abbr].length; i++) { os = -jsdate.getTimezoneOffset() * 60; if (tal[abbr][i].offset === os) { return abbr.toUpperCase(); } } } / return 'UTC'; }, Z: function () { // Timezone offset in seconds (-43200...50400) return -jsdate.getTimezoneOffset() 60; }, // Full Date/Time c: function () { // ISO-8601 date. return 'Y-m-d\\Th:i:sP'.replace(formatChr, formatChrCb); }, r: function () { // RFC 2822 return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb); }, U: function () { // Seconds since UNIX epoch return jsdate / 1000 \| 0; } }; this.date = function (format, timestamp) { that = this; jsdate = (timestamp == null ? new Date() : // Not provided (timestamp instanceof Date) ? new Date(timestamp) : // JS Date() new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int) ); return format.replace(formatChr, formatChrCb); }; return this.date(format, timestamp); }
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