(PHP 4 >= 4.2.0)
Returns the float value of var.
Var may be any scalar type. You cannot use floatval() on arrays or objects.
$var = '122.34343The'; $float_value_of_var = floatval ($var); print $float_value_of_var; // prints 122.34343
See also intval(), strval(), settype() and Type juggling.