Escape
This is an example of using escape slash (\) within PHP code.
The escape slash is used to tell the code not to run whatever comes after it as
code but instead as normal text, allowing us to write symbols used when writing code such as quotation
marks, semicolons, and questionmarks without them being read as code.
In order to be able to print "Quotation Marks" we must utitilize the escape slash (\)