note 57242 added to function.mktime

I have a little problem: is possible, if you have a START date and END date, calculate if another date is comprised in this range? Thanks ---- Manual Page -- http://www.php.net/manual/en/function.mktime.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+57242 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+57242&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+57242&report=yes Search -- http://master.php.net/manage/user-notes.php