The date_format() function returns date formatted according to given format.
Syntax
date_format(obj, format)
Parameters
obj − DateTime object
format − It specifies how to format the result −
d − The day of the month (from 01 to 31)
D − A textual representation of a day (three letters)
j − The day of the month without leading zeros (1 to 31)
l (lowercase 'L') − A full textual representation of a day
N − The ISO-8601 numeric representation of a day (1 for Monday through 7 for Sunday)
S − The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
w − A numeric representation of the day (0 for Sunday through 6 for Saturday)
z − The day of the year (from 0 through 365)
W − The ISO-8601 week number of year (weeks starting on Monday)
F − A full textual representation of a month (January through December)
m − A numeric representation of a month (from 01 to 12)
M − A short textual representation of a month (three letters)
n − A numeric representation of a month, without leading zeros (1 to 12)
t − The number of days in the given month
L − Whether it's a leap year (1 if it is a leap year, 0 otherwise)
o − The ISO-8601 year number
Y − A four digit representation of a year
y − A two digit representation of a year
a − Lowercase am or pm
A − Uppercase AM or PM
B − Swatch Internet time (000 to 999)
g − 12-hour format of an hour (1 to 12)
G − 24-hour format of an hour (0 to 23)
h − 12-hour format of an hour (01 to 12)
H − 24-hour format of an hour (00 to 23)
i − Minutes with leading zeros (00 to 59)
s − Seconds, with leading zeros (00 to 59)
e − The timezone identifier (Examples: UTC, Atlantic/Azores)
I (capital i) − Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise)
O − Difference to Greenwich time (GMT) in hours (Example: +0100)
T − Timezone setting of the PHP machine (Examples: EST, MDT)
Z − Timezone offset in seconds. The offset west of UTC is negative, and the offset east of UTC is positive (-43200 to 43200)
c − The ISO-8601 date (e.g. 2004-02-12T15:19:21+00:00)
r − The RFC 2822 formatted date (e.g. Thu, 21 Dec 2000 16:01:07 +0200)
U − The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)
Return
The date_format() function returns the formatted date on success or FALSE on failure.
Example
The following is an example −
<?php
$dt = date_create("2018-09-30");
echo date_format($dt,"Y/m/d H:i:s");
?>Output
The following is the output −
2018/09/30 00:00:00