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function mktime () {
// http://jsphp.co/jsphp/fn/view/mktime
// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: baris ozdil
// + input by: gabriel paderni
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: FGFEmperor
// + input by: Yannoo
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + input by: jakes
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + bugfixed by: Marc Palau
// + improved by: Brett Zamir (http://brett-zamir.me)
// + input by: 3D-GRAF
// + bugfixed by: Brett Zamir (http://brett-zamir.me)
// + input by: Chris
// + revised by: Theriault
// % note 1: The return values of the following examples are
// % note 1: received only if your system's timezone is UTC.
// * example 1: mktime(14, 10, 2, 2, 1, 2008);
// * returns 1: 1201875002
// * example 2: mktime(0, 0, 0, 0, 1, 2008);
// * returns 2: 1196467200
// * example 3: make = mktime();
// * example 3: td = new Date();
// * example 3: real = Math.floor(td.getTime() / 1000);
// * example 3: diff = (real - make);
// * results 3: diff < 5
// * example 4: mktime(0, 0, 0, 13, 1, 1997)
// * returns 4: 883612800
// * example 5: mktime(0, 0, 0, 1, 1, 1998)
// * returns 5: 883612800
// * example 6: mktime(0, 0, 0, 1, 1, 98)
// * returns 6: 883612800
// * example 7: mktime(23, 59, 59, 13, 0, 2010)
// * returns 7: 1293839999
// * example 8: mktime(0, 0, -1, 1, 1, 1970)
// * returns 8: -1
var d = new Date(),
r = arguments,
i = 0,
e = ['Hours', 'Minutes', 'Seconds', 'Month', 'Date', 'FullYear'];
for (i = 0; i < e.length; i++) {
if (typeof r[i] === 'undefined') {
r[i] = d['get' + e[i]]();
r[i] += (i === 3); // +1 to fix JS months.
} else {
r[i] = parseInt(r[i], 10);
if (isNaN(r[i])) {
return false;
}
}
}
// Map years 0-69 to 2000-2069 and years 70-100 to 1970-2000.
r[5] += (r[5] >= 0 ? (r[5] <= 69 ? 2e3 : (r[5] <= 100 ? 1900 : 0)) : 0);
// Set year, month (-1 to fix JS months), and date.
// !This must come before the call to setHours!
d.setFullYear(r[5], r[3] - 1, r[4]);
// Set hours, minutes, and seconds.
d.setHours(r[0], r[1], r[2]);
// Divide milliseconds by 1000 to return seconds and drop decimal.
// Add 1 second if negative or it'll be off from PHP by 1 second.
return (d.getTime() / 1e3 >> 0) - (d.getTime() < 0);
}
