get date php

1$today = date("F j, Y, g:i a");   // October 30, 2019, 10:42 pm
2$today = date("D M j G:i:s T Y"); // Wed Oct 30 22:42:18 UTC 2019
3$today = date("Y-m-d H:i:s");     // 2019-10-30 22:42:18(MySQL DATETIME format)

1<?php
2
3// Use date
4  
5echo date("F j, Y, g:i a");                   // March 10, 2001, 5:16 pm
6echo date("m.d.y");                           // 03.10.01
7echo date("j, n, Y");                         // 10, 3, 2001
8echo date("Ymd");                             // 20010310
9echo date('h-i-s, j-m-y, it is w Day');       // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
10echo date('\i\t \i\s \t\h\e jS \d\a\y.');     // It is the 10th day.
11echo date("D M j G:i:s T Y");                 // Sat Mar 10 17:16:18 MST 2001
12echo date('H:m:s \m \i\s\ \t\h\e\ \m\o\n\t\h'); // 17:03:18 m is the month
13echo date("H:i:s");                           // 17:16:18
14echo date("Y-m-d H:i:s");                     // 2001-03-10 17:16:18 Mysql format
15
16?>

1$timestamp = strtotime('2009-10-22');
2
3$day = date('D', $timestamp);
4var_dump($day);

1date("Y-m-d h:i:sa")

1date("Y-n-j G:i:s");
2//-->2020-10-29 23:27:15

1// 1. create a date instance
2$date = new DateTime;
3
4// 2. set the date using the setDate(year, month, date) method on the
5//    $date instance
6$date->setDate(1999,02,19);