linux php file permissions help?

[Daniel]

ok i have a linux server running in my house and i want to give my webserver access to creating files and folders using mkdir function in php and i can get that far but i need to give it permissions to make files inside the file it just created so lets say i create a folder called "test"or"/test/" i want to give it permission to create a folder in that called "/test/second/" without having to keep giving it indivisual permisions for ech directory