How does javascript-php encapsulate service interfaces?

I used casperJS to write a piece of code for simulating logon to a web page in a browser. This file can be executed separately on the console. The execution of this js file needs to be called in another PHP file. How can I encapsulate this js file into a service interface for PHP to call? I used casperJS to write a piece of code for simulating logon to a web page in a browser. This file can be executed separately on the console. The execution of this js file needs to be called in another PHP file. How can I encapsulate this js file into a service interface for PHP to call?

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I used casperJS to write a piece of code for simulating logon to a web page in a browser. This file can be executed separately on the console. The execution of this js file needs to be called in another PHP file. How can I encapsulate this js file into a service interface for PHP to call?

System ('casperjs login. js ');//