If Else Statements in PHP Programming

The pathinfo() function allows you to turn a filepath into an Array and then interact with the keys of the Array. You can grab the Filename, Extension, Folder Name and Basename. pathinfo() https://www.php.net/manual/en/function.pathinfo.php https://www.w3schools.com/php/func_filesystem_pathinfo.asp pathinfo.php

The foreach() function can turn Named Keys into variables just like it does array values.

Comparison Operators allow you to compare variable values against values to determine whether an event should trigger.  You use Comparison Operators in Loops and If Statements.