(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)
is_float -- Finds whether a variable is a float
Description
bool is_float (mixed var)
Returns TRUE if var is a float, FALSE otherwise.
Tip: 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().
See also is_bool(), is_int(),
is_integer(), is_numeric(), is_string(),
is_array(), and is_object(),
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