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Bug #1977 round() rounds .5's down, not up .. ie: 1.5 rounds to 1, 2.5 rounds to 2, etc.
Submitted: 1999-08-05 17:56 UTC Modified: 1999-08-05 23:54 UTC
From: nick at surreallogic dot com Assigned:
Status: Closed Package: Misbehaving function
PHP Version: 3.0.11 OS: Win32
Private report: No CVE-ID: None
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From: nick at surreallogic dot com
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 [1999-08-05 23:54 UTC] rasmus at cvs dot php dot net 
This is by no means a bug.  Go read a math book please.  The commonly implemented rule for rounding a .5 number is to round up if the previous significant digit is odd and down if the previous significant digit is even.
Also see: http://www.progressive-comp.com/Lists/?l=php3-general&m=93230944323512&w=2
 
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