May 2003
Intermediate to advanced
592 pages
14h 28m
English
Content preview from PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide
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HTTP Authentication
New to PHP 4 is the ability to do HTTP authentication, although it is available only when running PHP as a module with Apache. HTTP authentication is a way to protect a file or directory by requiring users to enter a username and password in a pop-up window to gain access (Figure 8.1).
Figure 8.1. An HTTP authentication prompt.
An authentication prompt is created using the line
header ('WWW-Authenticate: Basic realm="Some Caption"');
The realm attribute can be changed to give the box whatever description you want (for example, My Web Site in Figure 8.1).
Normally you would follow up this line with
header ('HTTP/1.0 401 ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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