Implementation code about the PHP time function encapsulation

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One, two days of difference between dates

function DateDiff ($time 1, $time 2, $absolute = False) {    $time 1 = ($temp = strtotime ($time 1))? $temp: $time 1);    $time 2 = ($temp = Strtotime ($time 2))? $temp: $time 2);    $temp = (Strtotime (date (' Ymd ', $time 1))-Strtotime (Date (' Ymd ', $time 2))/86400;    Return $absolute? ABS ($temp): $temp;}

PHP comes with a function date_diff need to pass in the DateTime object, more troublesome. The top method returns the number of days between two time/timestamp differences. The idea is: if it is time, turn the time into a timestamp, format it to 0 points of the day and then convert back to timestamp, subtract divided by 86400. Of course, if the method is just a two-timestamp difference in number of days, the first line of the second line of the conversion timestamp code can be removed. 2018-01-01 23:59:59 and 2018-01-02 00:00:00 difference 1 days. 2018-01-01 00:00:00 and 2018-01-02 23:59:59 also differ by 1 days.

Second, current time milliseconds

function msec () {    return sprintf ('%.0f ', Microtime (True) * 1000);}

PHP does not have a function to directly return milliseconds, here is a microsecond format for the production of microseconds.