is_float
(PHP 3, PHP 4, PHP 5)
is_float -- Finds whether a variable is a float
Description
bool
is_float ( mixed var )
Finds whether the given variable is a float.
Note:
To test if a variable is a number or a numeric string (such as form
input, which is always a string), you must use
is_numeric().
Parameters
var
The variable being evaluated.
Return Values
Returns TRUE if var is a float,
FALSE otherwise.