round

Definition and usage

round() function rounds up floating point numbers.

Example

 <?php
echo ( round ( 0.60 ) ) ;
echo ( round ( 0.50 ) ) ;
echo ( round ( 0.49 ) ) ;
echo ( round ( - 4.40 ) ) ;
echo ( round ( - 4.60 ) ) ;
?>

Try it yourself

grammar

 round ( x , prec )

illustrate

Returns the result of rounding x according to the specified precision prec (the number of numbers after decimal decimal points). prec can also be a negative number or zero (default value).