What type of headers does PHP support?
A header is used to talk between a browser and a server. The primary function of a header() function is to send a raw HTTP header to a client. However, it should be noted that a header() must be called before any actual output is sent.
In that regard, PHP supports the following header:
- header() – sends HTTP response headers
- Location header – redirects the browser
- Refresh header – adds a delay before redirecting the browser
- Content-Type header – tells the browser what type of data the server is about to send