how to get the day from time function php code example

Example 1: php get current time and date

date("Y-n-j G:i:s");
//-->2020-10-29 23:27:15

Example 2: how to set date in php

// 1. create a date instance
$date = new DateTime;

// 2. set the date using the setDate(year, month, date) method on the
//    $date instance
$date->setDate(1999,02,19);