Finding last second of the month from Unix Time

I need to find out the last second of the month that a given Unix time stamp is in.

The time is parsed from a log file with strtotime().

$timestamp = strtotime($str);

How do I work out the last second of the month that $timestamp is in ?



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$lastsecond = mktime(23,59,59, date('m', $timestamp), date('t', $timestamp), date('Y', $timestamp));


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Joe P
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Roon's answer work for you Matthew_Way?

Joe P
Matthew_WayAuthor Commented:
Thanks Roonan,

I'm typing with one hand as well, Slipped down a bank in the weekend.

But it's night time, just about to have dinner.

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