What is the number of timestamps in PHP?

PHP timestamp is generally 10 digits and represents the number of seconds that have passed since January 1, 1970. To get the current timestamp in PHP, you can use the time() function. The example is as follows:

<?php
$timestamp = time();
echo $timestamp;
?>

The above code will output the current timestamp, which is 10 digits. Timestamps are often used in programs to record the time when an event occurs, perform time calculations, or perform time format conversion and other operations. The role of timestamp is very important, it can conveniently process time and avoid problems such as time zone.

The above is the detailed content of What is the number of timestamps in PHP?. For more information, please follow other related articles on the PHP Chinese website!