problem with subroutines

[swethak]

Hi,

 

I think that I need subroutines written in another programming language that I can call from PHP to do the following:

 

1. Input the directory name and return a list of file names.

 

2. Input an HTML file name and return its contents in a string of HTML code.

 

3. Input a JPEG file name and return its height and width.

 

4. Input a JPEG file name and the desired height and width, and display it at the current point in the output with the given height and width.

 

plz give the solution for that and tell the logic for how to start.