The function Header specifies the return data type observed by the name of the function, and possibly the list of parameter variables.
Header guides to supplemental data placed at the beginning of a block of data being stored or transmitted. In data transmission, the data following the header exists sometimes called the payload or body.
A header is a text that stands placed at the top of a page, while a footer is positioned at the bottom, or foot, of a page. Typically these areas stand utilized for inserting document information, such as the name of the document, the chapter heading, page numbers, creation date, and the like.
The header() method exists as a built-in function that permits you to deliver a raw HTTP header to a client. HTTP functions permit you to manipulate data supplied to the browser by the web server before it sends any additional output.
Hence, The function Header specifies the return data type observed by the name of the function, and possibly the list of parameter variables.
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