WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0

Return the string value of a number formatted to a particular precision

$number: A number

$digits: An integer specifying the precision after the decimal point. Use 0 to truncate to a whole number.

String value formatted at the specified precision

<?
  $f=1.55;
  $i=number_format($f,1);
  print("The value of ".$f." is ".$i);
?>

The above example will output:

The value of 1.550000 is 1.5

floatval() - Return the float value of a number or string

strval() - Return the string equivalent of a number

is_numeric() - Check if a value is numeric (int, float or numeric string)

ieee754toint() - Convert a float value to an IEEE-754 encoded integer (32 bit)

uPHP Variable Types and Limits