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if the years do not match add the appropriate number of days. The execution time is not fixed, it is decided by the processor. With the help of the microtime() function, time is returned in seconds. Afterwards, the formula (Endtime Starttime) should be used. find the difference in days since the start of the year First, it should be used before the script starts, then, at the end of it. Can't calculate negative difference in dates $last = is_numeric($last ) ? $last : strtotime($last ) php > unixTime time () php > printr (getdate (unixTime)) Array ( seconds > 48 minutes > 54 hours > 12 mday > 20 wday > 2 mon > 12 year > 2011 yday > 353.

$first = is_numeric($first) ? $first : strtotime($first) Example Return the current time as a Unix timestamp, then format it to a date:

For this, we need a start date and an end date. Relying on this function is highly discouraged.

We will use the built-in function datediff() to get time difference in minutes. Date/Time Date/Time Functions Change language: Submit a Pull Request Report a Bug datesunrise (PHP 5, PHP 7, PHP 8) datesunrise Returns time of sunrise for a given day and location Warning This function has been DEPRECATED as of PHP 8.1.0. * $first - unix timestamp or string aksepted by strtotime() Use datediff() Function to Get Time Difference in Minutes in PHP. So I made my own function using getdate() a function that returns an array of innformation about the timestamp. I could convert the date string to UNIX timestamp and divide by 60*60*12, but some days have a greater or lesser number of hours, sometimes there's eaven a leap secound. My goal was to find the difference between the dates like: date('Ymd',$end)-date('Tmd',$begining) īut that is likly to fail because there isn't 99 month in a year and 99 days in a month. Most of the functions given on the problem fails if the event has a duration form friday at 17:00 to sunday at 15:00.

This can be used for comments and other from of communication to tell the time ago instead of the exact time which might not be correct to some one in another time zone.I was trying to calculate the difference of two dates for the purpose of showing the duration of an event. Example 2 DateTimeImmutable::modify and strtotime increment or decrement individual component values Adding +24 hours over a DST transition will add exactly 24 hours as seen in the date/time string (unless the start or end time is on a transition point).