26051Make Your PHP Code Portablehttp://martin.f2o.org/php/portableMake sure your program can run on different PHP setups by distributing a custom environment setup. Expalins how to create the config and how to get your current configuration.PHP > Tips and Tutorials > DevelopmentOct 15, 2006
Variables and functions are essential features of any computer language. With variables, you can abstract data; with functions, you can abstract several lines of code. As Bruce Eckel puts it in his book Thinking in C++, all programming languages provide abstractions. Assembly language is a small abstraction of the underlying machine. Many so-called imperative languages that followed (such as Fortran, BASIC, and C) are abstractions of assembly language.
The complexity of the problems you are able to solve is directly related to the kind and quality of abstraction your programming language provides. Understanding how PHP handles variables and functions will help you use them effectively.
No web programming is possible without somw way of interaction between the visitor of the web page and the server-side program, be it in PHP or anything else. Flexibility of HTML is enhanced with various 'form' elements thru which wide variety of user input can be accomodated.
mod_gzip is an Apache module which compresses static html pages using Gzip, according to IETF standards for browsers that accept gzip enconding (IE, Netscape, etc). mod_gzip may accelerate the download time for pages 4/5 times and I strongly suggest you use mod_gzip in your webserver. However, due to a lack of a filtering mechanism between modules in Apache 1.x.x, there is no way to compress PHP generated output using mod_gzip. Therefore, we have to build our own compressing engine in PHP. In this article, I will explain how to use PHP output controlling functions to make your pages load FAST!
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