Essential PHP fast : Building Dynamic Web Sites with MySQL by Simon Stobart BA (Hons), PhD, MBCS, CEng (auth.)

By Simon Stobart BA (Hons), PhD, MBCS, CEng (auth.)

How to create dynamic internet environments utilizing the personal home page language and the MySQL database!
If you're acquainted with the syntax for C, C++ and Java, then Hypertext Preprocessor will appear very regular. after you have received in control with this HTML embedded scripting language, you'll soon be developing dynamic HTML database-enabled websites fast and simply.
This speedy and useful creation explains:
- how personal home page works and what a dynamic web content is;
- the software program improvement atmosphere;
- the syntax and lines of the language;
- how personal home page might be built-in with MySQL databases;
- dynamic database purposes.
Clearly written, this ebook provide you with the entire crucial details you want to create your individual dynamic net environments utilizing personal home page.
Additional fabric is offered from the Essential series site: http://www.essential-series.com

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3 illustrates the output from this script. 3 Example of using s t r 1 en. Notice that the following line uses the length of the string to access the last letter. $la st = $book[$size-l); Converting Strings Strings can be converted to numerical values. If a string begins with a number then it can be converted into an integer. For example : Essential PHP fast $num = 23 ; $string = "45"; $add = $num + $string ; $males = "3 . 45 males" ; $females = 2 + $males ; In the above script fragment, $num is defined as a integer variable of value 23 .

In 2000, PHP 4 was released. com) scripting engine to improve performance of the PHP scripts and is currently the latest version of the language. Today PHP is increasing in popularity with Web developers as it is so powerful and easy to use. Static and Dynamic Web Pages We have mentioned before that HTML documents are static as they display the same content each time they are accessed. Dynamic Web pages, on the other hand, are Web pages that may change each time they are accessed. In general, a dynamic Web page is one whose content is produced by a program each time the page is accessed.

The browser doesn't care whether the requested page is a static HTML document or a CGI script, it just sends the request to the Web server. The Web server recognizes the request for a CGI script and executes the CGI application. The CGI script does whatever it has been programmed to do and outputs some standard HTML. This output is served to the browser for displaying as a Web page. The main problem with CGI applications is that the HTML instructions which control the format of the dynamic information produced by the applications tend to get lost amid the program code.

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