The following links should provide you with a solution to your problem.
http://se2.php.net/manual/en/language.types.integer.php
http://se2.php.net/manual/en/function.round.php
Next to that rounding can also be done in this way (example taken from "Recipes a problem solution approach")
Using the function round (taken from:"http://php.about.com/od/learnphp/ss/round_num_PHP.htm").
The number "3.14159265" here would refer to the variable you have set. The number behind the "," in this case 3 refers to the amount of digits you wish to display.
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http://se2.php.net/manual/en/language.types.integer.php
http://se2.php.net/manual/en/function.round.php
Next to that rounding can also be done in this way (example taken from "Recipes a problem solution approach")
PHP Code:
<?php
//Let's say you live in Canada and want to add GST tax to your amount.
$thenumber = 9.99 * 1.07;
//If you simply outputted this, the value would be skewed.
echo "$" . $thenumber . "<br />"; //Outputs $10.6893
//In order to show the value as a dollar amount, you can do this:
echo "$" . sprintf ("%.2f", $thenumber); //Outputs $10.69
?>
Using the function round (taken from:"http://php.about.com/od/learnphp/ss/round_num_PHP.htm").
PHP Code:
echo round(3.14159265, 3);
// Value would be 3.142
Please reply in this topic if this reply did not help you.