[PHP] http message

[LaserJetter]

Is there a way for PHP to attempt to open a URL and return the HTTP response
header?
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.
Any ideas?



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[PHP] HTTP message

[Young Chi-Yeung Fan]

Is it possible from PHP to look at the HTTP message sent to a script? If
so, how can I do it?

e.g.:

POST /MessageReceiver.jsp HTTP/1.0
Host: www.SomeHost.net
Content-Type: application/x-www-form-urlencoded
Content-Length: 105

XML=%3C?xml%20version%3D%221.0%22%20encoding%3D%22utf-8%22?%3E%0A%3Cdoc%3Ehello%20world%3E%3C/doc%3E%0A


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