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How to calculate the number of days until a specified date in PHP_PHP Tutorial

WBOY
WBOYOriginal
2016-07-13 09:57:23877browse

How to calculate how many days are left until a specified date in PHP

This article describes the example of how PHP calculates how many days are left until a specified date. Share it with everyone for your reference. The details are as follows:

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function countdays($d)

{

$olddate = substr($d, 4);

$newdate = date(Y) ."".$olddate;

$nextyear = date(Y) 1 ."".$olddate;

if($newdate > date("Y-m-d"))

{

$start_ts = strtotime($newdate);

$end_ts = strtotime(date("Y-m-d"));

$diff = $end_ts - $start_ts;

$n = round($diff / 86400);

$return = substr($n, 1);

return $return;

}

else

{

$start_ts = strtotime($nextyear);

$end_ts = strtotime(date("Y-m-d"));

$diff = $end_ts - $start_ts;

$n = round($diff / 86400);

$return = substr($n, 1);

return $return;

}

}

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function countdays($d) { $olddate = substr($d, 4); $newdate = date(Y) ."".$olddate; $nextyear = date(Y) 1 ."".$olddate; if($newdate > date("Y-m-d")) { $start_ts = strtotime($newdate); $end_ts = strtotime(date("Y-m-d")); $diff = $end_ts - $start_ts; $n = round($diff / 86400); $return = substr($n, 1); return $return; } else { $start_ts = strtotime($nextyear); $end_ts = strtotime(date("Y-m-d")); $diff = $end_ts - $start_ts; $n = round($diff / 86400); $return = substr($n, 1); return $return; } }
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