is_float Finds whether a variable is a float &reftitle.description; boolis_float mixedvar Finds whether the given variable is a float. 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. &reftitle.parameters; var The variable being evaluated. &reftitle.returnvalues; Returns &true; if var is a float, &false; otherwise. &reftitle.seealso; is_bool is_int is_numeric is_string is_array is_object