Is there a way for PHP to attempt to open a URL and return the HTTP response
For example, I want to make a PHP page which will redirect a visitor to a
mirror site if it encounters a 404 Not found error whilst trying to open the
website homepage. This test page will reside on a seperate server.
I was thinking maybe attempting to open the homepage with something like
fopen() and, using nested if() statements, try the next mirror in the list
if the fopen() command didnt succeed.
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