Filemaker Variable in Filemaker PHP API

I have searched all over the forum and internet for and answer and I have not been able to find one yet. Hopefully, someone here can help.

I have created a massive filemaker database/program that I am in the process of converting over to HTML and PHP using Filemaker PHP API. I have a script that takes certain field variables in a layout and sets them as global variables so that I can reference those variables in scripts that will be run within the main script. Basically, the script takes a unique record identifier ($$) and if it is still AM ($$) and it runs through different scripts to determine if certain health care services need to be scheduled for this record.

I would like to be able to use the script that I have created and working in the filemaker database and not have to create a new PHP file that manually does what the filemaker script does.

My question is: Can you set multiple filemaker global or non-global variables in Filemaker PHP API and if so how?

I have attached a picture of a bit of the script with the global variable steps highlighted.

Thanks!