PHP is a Hypertext Preprocessor. This essentially means that PHP dynamically writes web pages for you. So it can query a database and print a report from it, or change CSS and such based on specific criteria.
The foreach() function can turn Named Keys into variables just like it does array values.
The var_dump() function allows you to see what a variable’s data type is, and what it’s value is. var_dump() https://www.php.net/manual/en/function.var-dump.php https://www.w3schools.com/php/func_var_var_dump.asp varDump.php