i need a expert on php code

hello i need a expert on php code : i want code "Blocking Website Access by Country with PHP" for exemple the code check ip adresse here : http://www.geoplugin.net/xml.gp?ip=140.145.66.177 <geoplugin_countryCode>US</geoplugin_countryCode> and block all contry like US IT DE i allow just FR contry to entre to my website ! if : <geoplugin_countryCode>US</geoplugin_countryCode> ==> allow access thank you

you can do my work ?