PHP's date() function is used to format time or date. PHP Date() Function The PHP Date() function formats a timestamp into a more readable date and time. grammar

date(format,timestamp)

parameter
describe

format
Required. Specifies the format of the timestamp.

timestamp
Optional. Specify timestamp. The default is the current date and time.
PHP
date

-
What is a timestamp (
Timestamp
)?
Timestamp is since
1970
Year
1
moon
1st (
00:00:00 GMT
) the number of seconds since. It is also known as

Unix
Timestamp (
Unix
Timestam
).
PHP
date
- Format date

date()
The first parameter of the function specifies how to format the date/
time. It uses letters to represent date and time formats. Listed here
Some available letters:


d -
Day in the month

(01-31) 

m - the current month as a number

(01-12) 

Y - Current year (four digits)
You can find it in our

PHP Date
Refer to the manual to find all the letters that can be used in the format parameters.
You can insert other characters between letters, such as
"/"
,
"."
or
"-"
, so that additional formats can be added:

<?php echo date("Y/m/d"); echo "<br />"; echo date("Y.m.d"); echo "<br />";