how do I subtract 24 hour from date time object in PHP

Question

I have the following code:

  $now = date(\"Y-m-d H:m:s\");
  $date = date(\"Y-m-d H:m:s\", strtotime(\'-24 hours\', $now));

However, now it

Answer 1

$now = date("Y-m-d H:i:s");
$date = date("Y-m-d H:i:s", strtotime('-24 hours', strtotime($now)));

Add "strtotime" before $now, and Y-m-d H:m:s replace with Y-m-d H:i:s