Download A programmer's introduction to PHP 4.0 by W Jason Gilmore PDF

By W Jason Gilmore

No subject what language you're accustomed to, this ebook will profit you. starting with a quick creation to PHP's syntax and simple performance, you are going to speedily comprehend personal home page. The booklet then steers you towards complex matters, like PHP's position in database manipulation, periods, and consumer interactivity.

Author W. J. Gilmore additionally examines how Hypertext Preprocessor can paintings with XML, JavaScript, and the part item version (COM). He quite a bit the booklet with sensible examples and a number of other initiatives that may be instantly integrated on any web site. The important A Programmer's advent to Hypertext Preprocessor 4.0 indicates you ways to utilize PHP's strong features, despite your present scope of Hypertext Preprocessor knowledge.

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The option with-config-file-path specifies the directory that will contain PHP's configuration file. x -with-config-file-path=[config-path] make make install 4. Change back to the Apache directory. Now you will reconfigure, build, and install Apache. The other-configuration-options option refers to any special configuration options that you would like to pass along to the Apache Web server. This is beyond the scope of this book. I suggest checking out the Apache documentation for a complete explanation of these options: 5.

You should see a lengthy list of information regarding PHP's configuration. Congratulations, you've successfully installed PHP as an Apache Module. Dynamic Apache Module The Dynamic Module is useful because it allows you to upgrade your PHP distribution without having to recompile the Web server as well. Apache considers it just another one of its many modules, like ModuleRewrite or ModuleSpelling. This idea becomes particularly useful when you want to add some kind of support to PHP later, encryption, for example.

This is because the $x located inside the assignx function is local in nature. Modification of its value has no bearing on any values located outside of the function. On the same note, modification of the $x located outside of the function has no bearing on any variables contained in assignx(). Function Parameters As is the case with many other programming languages, in PHP any function that accepts arguments must declare these arguments in the function header. Although these arguments accept values that come from outside of the function, they are no longer accessible once the function has exited.

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