Today's date and time in seconds

Experts,

I need to create today's date and time in seconds for a unique invoice reference.
mhouldridgeAsked:
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wakemupCommented:
PHP's time() wil give you a unix timestamp which is seconds since 1st January 1970.

You'll only have a 1 second resolution though so if you're getting more than one request per second you'll need to use microtime() or some such depending upon your platform.
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steelseth12Commented:
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raja_ind82Commented:
<?php
$today  = mktime(date("g"), date("i"), date("s"), date("m")  , date("d"), date("Y"));
$tomorrow  = mktime(0, 0, 0, date("m"), date("d")+1,   date("Y"));
$lastmonth = mktime(0, 0, 0, date("m")-1, date("d"),   date("Y"));
$nextyear  = mktime(0, 0, 0, date("m"),   date("d"),   date("Y")+1);

echo $today." -Today <br>";
echo $tomorrow." -Tommorrow <br>";
echo $lastmonth." -Last Month<br>";
echo $nextyear." -Next Year<br>";
?>

Regards,
M.Raja
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