March 2002
Intermediate to advanced
592 pages
15h 52m
English
Content preview from Web Database Applications with PHP, and MySQL
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A Working Example
In this section, we use the techniques described so far to develop a simple, complete PHP script. The script doesn’t process input from the user, so we leave some of the best features of PHP as a web scripting language for discussion in later chapters.
Our example is a script that produces a web page containing the times tables. Our aim is to output the 1-12 times tables. The first table is shown in Figure 2-2 as rendered by a Netscape browser.
Figure 2-2. The output of the times-tables script shown rendered in a Netscape browser
To begin the development, we need to design how the output should appear and, therefore, what HTML needs to be produced. If we use simple HTML markup, the first 12 lines of the HTML produces Example 2-3 as follows:
<html> <head> <title>The Times-Tables</title> </head> <body bgcolor="#ffffff"> <h1>The Times Tables</h1> <p><b>The 1 Times Table</b> <br>1 x 1 = 1 <br><b>2 x 1 = 2</b> <br>3 x 1 = 3 <br><b>4 x 1 = 4</b> <br>5 x 1 = 5
The script produces this output using a mixture of HTML and an embedded PHP script.
The completed PHP script and HTML to produce the times tables are
shown in Example 2-3. The first nine lines are HTML
that produces the <head> components and the
<h1>The Times Tables</h1> heading at
the top of the web page. Similarly, the last two lines are HTML that
finishes the document: </body> and
</html>.
Between the two HTML fragments ...
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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.