Goal: Restrict content access through username and password entry. 1: Apache Utilities Package First, update your server’s package index: sudo apt updateCheck if the utilities package exists in your environment by executing the command dpkg --get-selections | grep apacheResponse: apache2-utils install libapache-pom-java installSo it exists.  But what do you do if it doesn't exist? How come I need to install apache-utils?  To restrict access you will be using a utility called...

To sort through a multidimensional array seems to be a function that I occasionally call on.  Handy to have referenced here: /** * Loop through a multi dimensional array * * @param array $haystack * Data array. */ protected function sortMultiDimensionalArray($haystack) { foreach ($haystack as $key => $item) { // If $item is an array and the number of children is greater to one // keep looping through the array. if (is_array($item) &&...