On Jan 22, 2010, at 7:30 PM, Nathan Rixham wrote: Thanks Nathan I'll give it a shot. --Rick
your doing the number format before the rounding.. here's a version of the function that should fit the bill: function round_to_half_cent( $value ) { $value *= 100; if( $value == (int)$value || $value < ((int)$value)+0.3 ) { return number_format( (int)$value/100 , 2); } else if($value > ((int)$value)+0.6) { return number_format( (int)++$value/100 , 2); } return number_format( 0.005+(int)$value/100 , 3); } echo round_to_half_cent( 12.1 ); // 12.10 echo round_to_half_cent( 12.103 ); // 12.105 echo round_to_half_cent( 12.107 ); // 12.11 echo round_to_half_cent( 123456.789 ); // 123,456.79
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