Addition and subtraction within 10. Implementation code for date addition and subtraction operations in PHP

1. First get the timestamp of the date through strtotime()
2. Get the timestamp N days ago, through "current timestamp - seconds in N days = timestamp N days ago"
3. Get the timestamp N days ago The timestamp is formatted using the date() function.
Example below: Get the date one day before 2012-5-1

Copy the code The code is as follows:

//Convert the time point For the timestamp
$date = strtotime('2012-5-1');
//Output the date one day ago, subtract the number of seconds of the day from the timestamp
echo date('Y-m-d',$date - 1*24*60*60);
?>

Output: 2012-4-30
In addition, the time() function gets the timestamp of the current date!

The above introduces the code for adding and subtracting dates within 10 in PHP, including the content of addition and subtraction within 10. I hope it will be helpful to friends who are interested in PHP tutorials.