phpwiki-1.5.2: Fatal PHP error.

Started setting up phpwiki-1.5.2 and encountered this error:

PHP Fatal error:  Call to undefined function posix_times()
in $PHPWIKI/lib/prepend.php on line 72, referer:
http://localhost/

The function isn't defined even in php5. It doesn't look like it can be
simply commented out, either:


    function DebugTimer()
    {
        $this->_start = $this->microtime();
        $this->_times = posix_times();
    }

Really appreciate any clue.

Thanks

jd


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