   #PHP Manual Variable Functions is_double is_int

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                                   is_float

   (PHP 3, PHP 4 )
   is_float -- Finds whether a variable is a float

Description

   bool is_float ( mixed var)

   Returns TRUE if var is a float, FALSE otherwise.

     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().

   See also is_bool(), is_int(), is_integer(), is_numeric(), is_string(),
   is_array(), and is_object(),
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