change time format in php

$today = date("F j, Y, g:i a");               // March 10, 2001, 5:16 pm
$today = date("m.d.y");                       // 03.10.01
$today = date("j, n, Y");                     // 10, 3, 2001
$today = date("Ymd");                         // 20010310
$today = date('h-i-s, j-m-y, it is w Day');   // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.'); // it is the 10th day.
$today = date("D M j G:i:s T Y");             // Sat Mar 10 17:16:18 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h');   // 17:03:18 m is month
$today = date("H:i:s");                       // 17:16:18
$today = date("Y-m-d H:i:s");                 // 2001-03-10 17:16:18 (the MySQL DATETIME format)
To convert the date-time format PHP provides strtotime() and date() function. We change the date format from one format to another.

Change YYYY-MM-DD to DD-MM-YYYY
<? php.
$currDate = "2020-04-18";
$changeDate = date("d-m-Y", strtotime($currDate));
echo "Changed date format is: ". $changeDate. " (MM-DD-YYYY)";
?>$currDate = "2020-08-25";
$changeDate = date("d-m-Y", strtotime($currDate));
echo $changedDate;