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Edit: strftime

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Description:	Format a local time/date according to locale settings.

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Code:	function strftime (fmt, timestamp) { // http://jsphp.co/jsphp/fn/view/strftime // + original by: Blues (http://tech.bluesmoon.info/) // + reimplemented by: Brett Zamir (http://brett-zamir.me) // + input by: Alex // + bugfixed by: Brett Zamir (http://brett-zamir.me) // + improved by: Brett Zamir (http://brett-zamir.me) // - depends on: setlocale // % note 1: Uses global: php_js to store locale info // * example 1: strftime("%A", 1062462400); // Return value will depend on date and locale // * returns 1: 'Tuesday' // BEGIN REDUNDANT this.php_js = this.php_js \|\| {}; this.setlocale('LC_ALL', 0); // ensure setup of localization variables takes place // END REDUNDANT var phpjs = this.php_js; // BEGIN STATIC var _xPad = function (x, pad, r) { if (typeof r === 'undefined') { r = 10; } for (; parseInt(x, 10) < r && r > 1; r /= 10) { x = pad.toString() + x; } return x.toString(); }; var locale = phpjs.localeCategories.LC_TIME; var locales = phpjs.locales; var lc_time = locales[locale].LC_TIME; var _formats = { a: function (d) { return lc_time.a[d.getDay()]; }, A: function (d) { return lc_time.A[d.getDay()]; }, b: function (d) { return lc_time.b[d.getMonth()]; }, B: function (d) { return lc_time.B[d.getMonth()]; }, C: function (d) { return _xPad(parseInt(d.getFullYear() / 100, 10), 0); }, d: ['getDate', '0'], e: ['getDate', ' '], g: function (d) { return _xPad(parseInt(this.G(d) / 100, 10), 0); }, G: function (d) { var y = d.getFullYear(); var V = parseInt(_formats.V(d), 10); var W = parseInt(_formats.W(d), 10); if (W > V) { y++; } else if (W === 0 && V >= 52) { y--; } return y; }, H: ['getHours', '0'], I: function (d) { var I = d.getHours() % 12; return _xPad(I === 0 ? 12 : I, 0); }, j: function (d) { var ms = d - new Date('' + d.getFullYear() + '/1/1 GMT'); ms += d.getTimezoneOffset() * 60000; // Line differs from Yahoo implementation which would be equivalent to replacing it here with: // ms = new Date('' + d.getFullYear() + '/' + (d.getMonth()+1) + '/' + d.getDate() + ' GMT') - ms; var doy = parseInt(ms / 60000 / 60 / 24, 10) + 1; return _xPad(doy, 0, 100); }, k: ['getHours', '0'], // not in PHP, but implemented here (as in Yahoo) l: function (d) { var l = d.getHours() % 12; return _xPad(l === 0 ? 12 : l, ' '); }, m: function (d) { return _xPad(d.getMonth() + 1, 0); }, M: ['getMinutes', '0'], p: function (d) { return lc_time.p[d.getHours() >= 12 ? 1 : 0]; }, P: function (d) { return lc_time.P[d.getHours() >= 12 ? 1 : 0]; }, s: function (d) { // Yahoo uses return parseInt(d.getTime()/1000, 10); return Date.parse(d) / 1000; }, S: ['getSeconds', '0'], u: function (d) { var dow = d.getDay(); return ((dow === 0) ? 7 : dow); }, U: function (d) { var doy = parseInt(_formats.j(d), 10); var rdow = 6 - d.getDay(); var woy = parseInt((doy + rdow) / 7, 10); return _xPad(woy, 0); }, V: function (d) { var woy = parseInt(_formats.W(d), 10); var dow1_1 = (new Date('' + d.getFullYear() + '/1/1')).getDay(); // First week is 01 and not 00 as in the case of %U and %W, // so we add 1 to the final result except if day 1 of the year // is a Monday (then %W returns 01). // We also need to subtract 1 if the day 1 of the year is // Friday-Sunday, so the resulting equation becomes: var idow = woy + (dow1_1 > 4 \|\| dow1_1 <= 1 ? 0 : 1); if (idow === 53 && (new Date('' + d.getFullYear() + '/12/31')).getDay() < 4) { idow = 1; } else if (idow === 0) { idow = _formats.V(new Date('' + (d.getFullYear() - 1) + '/12/31')); } return _xPad(idow, 0); }, w: 'getDay', W: function (d) { var doy = parseInt(_formats.j(d), 10); var rdow = 7 - _formats.u(d); var woy = parseInt((doy + rdow) / 7, 10); return _xPad(woy, 0, 10); }, y: function (d) { return _xPad(d.getFullYear() % 100, 0); }, Y: 'getFullYear', z: function (d) { var o = d.getTimezoneOffset(); var H = _xPad(parseInt(Math.abs(o / 60), 10), 0); var M = _xPad(o % 60, 0); return (o > 0 ? '-' : '+') + H + M; }, Z: function (d) { return d.toString().replace(/^.\(([^)]+)\)$/, '$1'); / // Yahoo's: Better? var tz = d.toString().replace(/^.:\d\d( GMT[+-]\d+)? \(?([A-Za-z ]+)\)?\d$/, '$2').replace(/[a-z ]/g, ''); if(tz.length > 4) { tz = Dt.formats.z(d); } return tz; / }, '%': function (d) { return '%'; } }; // END STATIC / Fix: Locale alternatives are supported though not documented in PHP; see http://linux.die.net/man/3/strptime Ec EC Ex EX Ey EY Od or Oe OH OI Om OM OS OU Ow OW Oy / var _date = ((typeof(timestamp) == 'undefined') ? new Date() : // Not provided (typeof(timestamp) == 'object') ? new Date(timestamp) : // Javascript Date() new Date(timestamp 1000) // PHP API expects UNIX timestamp (auto-convert to int) ); var _aggregates = { c: 'locale', D: '%m/%d/%y', F: '%y-%m-%d', h: '%b', n: '\n', r: 'locale', R: '%H:%M', t: '\t', T: '%H:%M:%S', x: 'locale', X: 'locale' }; // First replace aggregates (run in a loop because an agg may be made up of other aggs) while (fmt.match(/%[cDFhnrRtTxX]/)) { fmt = fmt.replace(/%([cDFhnrRtTxX])/g, function (m0, m1) { var f = _aggregates[m1]; return (f === 'locale' ? lc_time[m1] : f); }); } // Now replace formats - we need a closure so that the date object gets passed through var str = fmt.replace(/%([aAbBCdegGHIjklmMpPsSuUVwWyYzZ%])/g, function (m0, m1) { var f = _formats[m1]; if (typeof f === 'string') { return _date[f](); } else if (typeof f === 'function') { return f(_date); } else if (typeof f === 'object' && typeof(f[0]) === 'string') { return _xPad(_date[f[0]](), f[1]); } else { // Shouldn't reach here return m1; } }); return str; }
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