gmmktime

Definition and usage

gmmktime() function returns the UNIX timestamp of the GMT date.

Tip: This function is the same as mktime() , the difference is that the passed parameters represent the GMT date.

Example

Returns the UNIX timestamp of the GMT date and then use it to find the days of that date:

 <?php
// Output: October 3, 1975 was on a Friday
echo "Oct 3, 1975 was on a " . date ( "l" , gmmktime ( 0 , 0 , 0 , 10 , 3 , 1975 ) ) ;
?>

Try it yourself

grammar

 gmmktime ( hour , minute , second , month , day , year , is_dst ) ;