Today I went to PHP class. It is very interesting one. My class facility explain about three-tier architecture. He explain me in different way. He related three tier with human being. Here you can find three tier diagram
Hmmmm and his comparison goes here
Human body and Interface :
He related body with interface. Body doing the work which are visible to us. In web architecture. We are using browser for interaction and see results. This layer is called presentation layer.
Brain and PHP :
He related brain with logical layer. We use the brain to take decision likewise PHP is used to make decision in web architecture .
Memory and Database :
He related memory with database. Memory store the information similarly database stores the web or user data.
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