The mktime() function returns a timestamp based on up to six time/date arguments, as follows:
- Hour (0 – 23)
- Minute (0 – 59)
- Second (0 – 59)
- Month (1 – 12)
- Day of the month (1 – 31)
- Year (1901 – 2038)
Example
To displays the timestamp corresponding to 2:32:12 pm on January 6, 1972:
echo mktime( 14, 32, 12, 1, 6, 1972 );