Working With Timestamp in PHP

timemktime
Задание 1

Output the current time in timestamp format.

Задание 2

Output March 1, 2025 in timestamp format.

Задание 3

Output December 31 of the current year in timestamp format. The script should work regardless of the year it is run in.

Задание 4

Find the number of seconds that have passed since 13:12:59 on March 15, 2000 until the present moment.

Задание 5

Find the number of whole hours that have passed since 7:23:48 today until the present moment.