November 2001
Intermediate to advanced
788 pages
27h 27m
English
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Using PHP Securely
PHP is a widely used and loved server-side scripting language for building web pages. Originally called Personal Home Page, and then PHP3, PHP now stands for PHP Hypertext Preprocessor. The web site for PHP development is http://www.php.org/ . PHP is an official project of The Apache Foundation.[176]
Introduction to PHP
Although originally developed under Unix with the Apache web server, PHP now runs on Unix and Windows and with both Apache and Microsoft’s IIS. Some of the key advantages of PHP include:
It is easy to use and very fast. Even though PHP scripts are interpreted at runtime, the interpreter is built into the web server. As a result, PHP pages can run significantly faster (more than 10 times faster is not uncommon) than the equivalent Perl/CGI web pages.[177]
Unlike CGI scripts, PHP pages do not need to be made “executable” or placed in special directories to run: if PHP is enabled in the web server, all you need to do is to give an HTML file a .php or .php3 extension and the PHP system will automatically run.
The PHP interpreter shows errors directly on the web page, not in a log file.
PHP can cache connections to the MySQL database system. As a result, PHP pages that are fed from information in a database can display dramatically faster than database-driven pages using other systems.
PHP is extremely powerful. Scripts written in PHP can open files, open network connections, and execute other programs.
All of these factors combine to make PHP very popular. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.