what is difference between header and include, where which one should be used

Question

I am confused with two terms

1. header (\"Location:homepage_php\");

2. include(\"homepage.php\");

I am g

Answer 1

The header function is used to send raw HTTP headers back to the client: PHP header function

The above (taken from the PHP documentation) sends a 404 header back to the client.

The include function is used to include files into the current PHP script (the same as require) PHP include function

vars.php

test.php

This example (again from the PHP documentation) includes the vars.php script in the test.php script and, after the include, allows the test.php script to access the variables declared in the vars.php script.