Access to a php WebService from a Google Chrome Extension

i'm facing a big problem,

I've just made a personnal extension for chrome and i actually need to make it access to a webservice made in php to retrieve some information.

The problem is that i have absolutely NO IDEA how to do 开发者_如何学Gothat...

Hope's somebody can help me.

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The same way you would do any other request...

$.get("myFile.php", function(data){
alert(data);
});