The strtotime Function
The strtotime function converts an arbitrary
date to timestamp format. The timestamp format
is the number of seconds that have passed since 1st
January 1970 up to the given moment
in time.
Syntax
strtotime(string $datetime, ?int $baseTimestamp = null): int|false
Example
Let's convert the date '2025-12-31'
to a timestamp:
<?php
echo strtotime('2025-12-31');
?>
Code execution result:
1767128400
Example
Let's convert the date of 10th September
2000 to a timestamp:
<?php
echo strtotime('10 September 2000');
?>
Code execution result:
968529600
Example
Let's output tomorrow's date (midnight) in timestamp format:
<?php
echo strtotime('Tomorrow');
?>
