Mktime function to generate time stamp of any date and time
This function is useful in doing date calculations like finding difference in two dates. We will learn how to use mktime() function along with date function to generate and check different events.
Let us try to find out the time elapsed on 1st January 2007, 22 hours and 30 minutes & 0 seconds. We will write this code.
The output of the above code is 1167670800.
Using above output let us use date function find out the date.
As expected the out put of last line is 01/01/2007 22:30:00
Now let us find out the previous day of the above date. The 0th day is considered as last date of the previous month. So check the output of this code. ( only the mktime function is shown here )
The output of this function is 12/31/2006 22:30:00 .
time() and mktime()By using time() function we can get the seconds elapsed since Unix Epoch (January 1 1970 00:00:00 GMT) and current time.
By using mktime() we get the seconds elapsed since Unix Epoch (January 1 1970 00:00:00 GMT) and given date and time.
When we give current date and time as input to mktime() we get the same output as time() function.
Output is here ( Refresh this page to see how the output changes )
Here we used date function to generate required format as input for mktime() function.
How many seconds elapsed since starting of this year ?
Refresh the page to check change in output
Other ways to get Unix Timestamp
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