[NEED] Help ReCaptcha in PHP

Hello, Guys.
I had created a faucet.
Here is my web : 301 Moved Permanently
i want to change that captcha with google recaptcha i'm not robot.
Here is the script of my web: http://ift.tt/1DGZmb4
So, please help me to change the captcha with google recaptcha i'm not robot.
Thank you.
I will give a reward for it.

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