The header() function is a PHP built-in function for sending a raw HTTP header. Before HTML, XML, JSON, or other output is given to a browser or client, the server sends raw data as header information with the request (particularly HTTP Request).
The header includes the function's name and informs us (and the compiler) about the type of data it expects to receive (parameters) and the type of data it will return to the calling function or programme (return value type). The instructions to be executed are contained in the body of the function.
The header() function is a PHP built-in function for sending a raw HTTP header. The HTTP functions are those that manipulate information sent by the Web server to the client or browser before any further output is sent.
In the building and engineering industry, a header is a beam that spans an opening and distributes structural weight to the outside of the aperture while maintaining structural integrity. Otherwise, the weight of the roof, floor, or whatever is above the opening can generate tension, resulting in cracks, shifting, or worse.
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VAISHNAVI RAJESH CHALKE
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