How to create a Cron JOB Running PHP file on my local machine Win7

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I need to create a cron job which will execute a php file after every 5 sec on my Win7 machine.
I have Tomcat installed on my machine also apace server for php in uwamp server and i have knowledge of c,c++,java,javascript and vbscript. Also i have some experience in Visual Basic 2005.
Can you please tell me is there any way to execute a php file running on my local win7 machine using any given language that i knew.
Windows scheduler is not the solution for me, because i want my php file should run at every 5 sec or 1 sec. Please if you the way to do this let me know the method.

I'll be grateful for help or any suggestion.