<?php function square($n) { // Check if the item is a number if(is_numeric($n)) $n = ($n * $n); // Yes, square it else $n = "Not a number"; // No, replace with this } // Initialize the array $array = array(0, 48, 22, 90, 44, 9, 222, 'Iamzheasshole', 101); // Walk through the array, called the square function for every item array_walk($array, 'square'); // Output the array print_r($array);
You have javascript disabled. You will not be able to edit any code.