Web Reference: Jul 11, 2025 · The header () function is an inbuilt function in PHP which is used to send a raw HTTP header. The HTTP functions are those functions which manipulate information sent to the client or browser by the Web server, before any other output has been sent. Jul 26, 1997 · The header () function sends a raw HTTP header to a client. It is important to notice that the header () function must be called before any actual output is sent! It is a very common error to read code with include, or require, functions, or another file access function, and have spaces or empty lines that are output before header () is called. The same problem exists when using a single PHP/HTML file.
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Php Question And Header Function Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $7M - $48M
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Last Updated: April 7, 2026
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