How to launch an application from the browser using PHP?

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PHP

browser

shellscript

I have installed .exe file using wine in my linux machine. Using shell_exec I could launch the exe file via command prompt using php. When I try to run php program from the browser am getting a blank page. How to launch the executables from the browser using php?

php code:

<?php

    shell_exec("cd / ; wine /home/quads/.wine/drive_c/Program\ Files/MathType/MathType.exe");
    ?>

If I run this through command prompt it could launch an application but via browser it
doesn't work.It it works via browser then I can access that application from other system using
"myipaddress/phpprogram"