(PHP3 , PHP4 )
double round (double val [, int precision])
double round
Returns the rounded value of val to specified precision.
$foo = round (3.4); // $foo == 3.0 $foo = round (3.5); // $foo == 4.0 $foo = round (3.6); // $foo == 4.0 $foo = round (1.95583, 2); // $foo == 1.96
See also ceil() and floor().