I am interested in knowing the ways we can call/run Perl scripts in PHP.
Use something like
system("/your/kewl/script.pl");
You can make use of
Just like any other executable.
But avoid it, it's very inefficient. What do you want to achieve by doing it?
You can use a simple Php Perl extension within the Php code. This will allow you to execute code and Perl variables,functions and instantiate objects.
$perl = new Perl();
$perl->require("test1.pl");