How do I connect my objective-c application with php file? -

i have made php file connects mysql server , works unsure on how connect objective-c application working on php file.

i wondering how connect objective-c application php file?

i figured out here code.

nsstring *strurl = [nsstring stringwithformat:@"http://localhost/write.php];  nsdata *dataurl = [nsdata datawithcontentsofurl:[nsurl urlwithstring:strurl]];