JsPHP: a JavaScript library providing the PHP API

function gettimeofday (return_float) {
    // http://jsphp.co/jsphp/fn/view/gettimeofday
    // + original by: Brett Zamir (http://brett-zamir.me)
    // +      derived from: Josh Fraser (http://onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/)
    // +         parts by: Breaking Par Consulting Inc (http://www.breakingpar.com/bkp/home.nsf/0/87256B280015193F87256CFB006C45F7)
    // +  revised by: Theriault
    // *   example 1: gettimeofday();
    // *   returns 1: {sec: 12, usec: 153000, minuteswest: -480, dsttime: 0}
    // *   example 1: gettimeofday(true);
    // *   returns 1: 1238748978.49
    var t = new Date(),
        y = 0;

    if (return_float) {
        return t.getTime() / 1000;
    }

    y = t.getFullYear(); // Store current year.
    return {
        sec: t.getUTCSeconds(),
        usec: t.getUTCMilliseconds() * 1000,
        minuteswest: t.getTimezoneOffset(),
        // Compare Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC to see if DST is observed.
        dsttime: 0 + (((new Date(y, 0)) - Date.UTC(y, 0)) !== ((new Date(y, 6)) - Date.UTC(y, 6)))
    };
}