round
(PHP 3, PHP 4, PHP 5)
round -- Rounds a float
Description
float
round ( float val [, int precision] )
Returns the rounded value of val to
specified precision
(number of digits after the decimal point).
precision can also be negative or zero (default).
Note:
The precision parameter was introduced
in PHP 4.
Parameters
val
The value to round
precision
The optional number of decimal digits to round to, defaults to 0
Return Values
The rounded value
Examples
Example 1. round() examples
<?php
echo round(3.4); // 3
echo round(3.5); // 4
echo round(3.6); // 4
echo round(3.6, 0); // 4
echo round(1.95583, 2); // 1.96
echo round(1241757, -3); // 1242000
echo round(5.045, 2); // 5.05
echo round(5.055, 2); // 5.06
?>
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