... this:array('country' => array('Spain', 'France', 'Argentina', 'UK','Germany', 'Canada', 'Austria', 'Mexico'),'language' ... value of an array's elements# prototype (returns a number or FALSE if an average cannot be calculated):# mixed array_average(array $array)function array_average($array){$retval = FALSE;if(is_array($array) ... $tag, var_export($array, TRUE), $tag);}$fruits = array('red' => 'apple', 'yellow' => 'banana', 'green' => 'lime'); 4- 25...