PHP Make Time tutorial discussed about the format, various parameter of make time function of PHP, it also includes an example which gives you an idea about make time function.

PHP  Make Time

In PHP, mktime() funtion is used for doing date arithmetic-calculation and validation.

The general format of mktime() is : 

int mktime ([ int $hr= date("H") [, int $min= date("i") [, int $sec= date("s") [, int $mon= date("n") [, int $day= date("j") [, int $yr= date("Y") [, int $is_dst= -1 ]]]]]]] )

Parameters:

hour	The number of the hour
minute	The number of the minute
second	The number of the seconds
month	The number of the month
day	The number of the day
year	The number of the year, may be a two or four digit value
is_dst	This parameter is set to either of these values: 1 if the time is during Daylight Savings Time (DST), 0 if it is not, or -1 if it is unknown

To calculate next day use the following code:

<?php

<?php

//To know previous date

$yesterday = mktime(0,0,0,date("m"),date("d")-1,date("Y"));

echo "<b>Yesterday was :</b>".date("d/m/Y", $yesterday);

echo "<br/>";

//To know next date 

//Where current date is: 10/10/2009

$tomorrow = mktime(0,0,0,date("m"),date("d")+1,date("Y"));

//Please note the difference between the date format given above and below

//To know the date format in detail please visit our web page http://www.roseindia.net/tutorial/php/examples/PHPDatefunction.html

echo "<b>Tomorrow is :</b>".date("Y/m/d", $tomorrow);

?>

Output:

Yesterday was :09/10/2009
Tomorrow is :2009/10/11

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