Finds whether the type of a variable is float is_double is_int Variable handling Functions PHP Manual is_float (PHP 4, PHP 5)is_float — Finds whether the type of a variable is float Description bool is_float ( mixed $var ) Finds whether the type of the given variable is 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. Examples Example #1 is_float() example <?phpif(is_float(27.25)) { echo "is float\n";}else { echo "is not float\n";}var_dump(is_float('abc'));var_dump(is_float(23));var_dump(is_float(23.5));var_dump(is_float(1e7)); //Scientific Notationvar_dump(is_float(true));?> The above example will output: is float bool(false) bool(false) bool(true) bool(true) bool(false) See Also is_bool() is_int() is_numeric() is_string() is_array() is_object() is_double is_int Variable handling Functions PHP Manual