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Creating and testing a PHP-based web page

From: Dreamweaver with PHP and MySQL

Video: Creating and testing a PHP-based web page

Once you've defined your Dreamweaver site and associated it with your PHP server, you can start creating brand new PHP pages. For the remainder of this video series, I'll work with Dreamweaver in a new workspace named App DeveloperPlus. You can get to this work space by opening the workspace selector on the top toolbar of Dreamweaver and choosing App DeveloperPlus. You should see the following layout: CSS Styles and AP Elements at the top, Files, Assets and Snippets at the bottom on the left, and then miniature buttons that allow you to open panels like Insert, Databases, Bindings and Server Behaviors.

Creating and testing a PHP-based web page

Once you've defined your Dreamweaver site and associated it with your PHP server, you can start creating brand new PHP pages. For the remainder of this video series, I'll work with Dreamweaver in a new workspace named App DeveloperPlus. You can get to this work space by opening the workspace selector on the top toolbar of Dreamweaver and choosing App DeveloperPlus. You should see the following layout: CSS Styles and AP Elements at the top, Files, Assets and Snippets at the bottom on the left, and then miniature buttons that allow you to open panels like Insert, Databases, Bindings and Server Behaviors.

For this demonstration, I'll point my site definition to a new folder, I'll go to the Menu and choose Site > Manage Sites and then click Edit with the selected site, then for the local site folder I'll click the icon to browse. If you worked through the previous video, your folder will be pointed to 02_testingserver. I'll go up one folder from there and then down to 03_newphppage. I'll click Select and Save, and then click OK to close the cache notification dialog and click Done.

The Files panel in this workspace appears in the lower left corner. You should see all of the site files and the PHP-based homepage, index.php. Now the goal of this demonstration is to create a brand new PHP page from scratch. From the Menu choose File > New. In the New Document dialog choose Blank Page category and then down at the bottom choose PHP. If you're creating a page for your own site, you might want to use one of the standard layouts provided in Dreamweaver CS5.

These layouts make very good use of cascading style sheets, or CSS, to accomplish their layouts. You can choose any of these and your file will be created as a PHP file. I'm not going to use any particular layout though, because I want to keep this exercise very simple and focused. So I'll set the layout to None and click Create, then I'll go into Code view. As I've mentioned previously, a PHP page is nothing more than an HTML page. When you create a brand new PHP page from scratch in Dreamweaver, you end up with a skeleton of an HTML page.

I'm going to set the title of this page, changing it from Untitled Documents to PHP Info, then I'll save the file, selecting File > Save As, and I'll name it phpinfo.php, because I designated this as a PHP file from the beginning. If I didn't add the file extension at this point, Dreamweaver would add .php for me, I'll click Save. Now I'm going to use a very simple PHP command that outputs information about the configuration and version number of my PHP server.

I'll place the cursor after the starting body tag and press Enter a few times, and place the cursor between the body tags. then I'll go to the Insert panel, I'll click the Insert button, and in the panel I'll pull down the list of available options and choose PHP. The Insert panel will help you insert standard PHP code. I'm going to add a Code Block by clicking once, make sure you only click once, if you double-click, you'll get two copies of the code.

Then I'll click back on the page and the Insert panel will shrink back down into its original place. A PHP Code Block looks like this, its starts with a less than character and a question mark and then the phrase php in lowercase, and it ends with a question mark and a greater than character. Within the PHP code block, you can add your own PHP code. I'm going to add a function called PHP info. I'll type php and then using Dreamweaver CS5 new code hinting capabilities, I'll hold down the Ctrl key and press the Spacebar.

Dreamweaver CS5 brings up a listing of all of its known commands that start with the term PHP. I'll type IN and I'll find three items that I could add that have php and ini; I'll press the down arrow twice to move down the phpinfo. Notice that Dreamweaver CS5 gives you help automatically. This is the PHP project's own online help that's being displayed, and it'll tell you a lot about the different PHP commands that are available and how to use them.

I'll press Enter to choose phpinfo, and then type in a closing parenthesis, I'm going to call the phpinfo function without passing in any values. Now I'll save the file, selecting File > Save, and then I'll look at the page using Live View. Now before you use Live View, make sure that you can see the browser toolbar, if you can't, you can right-click on any of the toolbars and choose this item Browser Navigation. The Browser Navigation toolbar will show you what the URL is that you're browsing to within Dreamweaver, click Live View.

If you see the dialog box asking you to update the copy on the testing server, click Yes and then click Yes again for dependent files. On the right, you should see design view open up and show the resulting output to the browser. Go to the toolbar and click Design, and that will allow the Design view to take up the full available area. The phpinfo function outputs the current version number of your PHP server and all sorts of other configuration information.

One of the most important things you should know, is the location of your php.ini file, that's the PHP configuration file. I'm working on Windows with WAMP server, so my PHP file is located in my Apache 2.2.11/bin directory. If you're working with MAMP on Mac, the location will be different. Now I'll go back to Code view and see the actual output. So in this exercise, you've created your first dynamic PHP page, you've embedded dynamic PHP server-side code in the page, and at runtime, the PHP server executes the phpinfo function and outputs a bunch of very complex information to the browser.

Here's another way of executing the page through the external browser that I'll give you a little bit more information about what's going on. I'll deselect Live View, then go to the Preview button and choose my favorite browser. Once again I'll copy files to the server directory and here's the phpinfo display again. In the browser, I'll view the source. In Firefox, you can do this by selecting View > Page Source. I'll expand the size of the font so we can see it more easily, because I want to show you that that single function phpinfo actually outputs an entire web page, starting at this point with the doc type and going all the way down to almost the bottom of the page, to this ending HTML tag.

This tells me that if you're using the PHP function, you don't need the rest of the HTML structure. So I'll close the browser, go back to phpinfo.php and I'll delete everything except the PHP command. I'll save the change, run the page in the browser again, once again copying files as needed. I'll view the source and this time I only see the output of the phpinfo page.

As I'll show you in the other exercises, most of the time in your actual production pages, you'll be mixing your own custom HTML and cascading style sheets with your PHP commands to output information, but the phpinfo function is a critical tool that can help you find out what's going on, on your PHP server, which version of PHP you're running, and a lot of information about its configuration.

Show transcript

This video is part of

Image for Dreamweaver with PHP and MySQL
Dreamweaver with PHP and MySQL

61 video lessons · 36311 viewers

David Gassner
Author

 
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  1. 8m 48s
    1. Welcome
      1m 25s
    2. What you should know before watching this course
      2m 17s
    3. Using the exercise files
      1m 40s
    4. Understanding the differences between Dreamweaver CS5.5 and CS6
      3m 26s
  2. 19m 31s
    1. Understanding static vs. dynamic web pages
      4m 32s
    2. Selecting application and database servers
      6m 10s
    3. Introducing Apache, MySQL, and PHP
      6m 36s
    4. Installing Apache, MySQL, and PHP
      2m 13s
  3. 39m 34s
    1. Defining a Dreamweaver site
      3m 22s
    2. Configuring a PHP testing server
      7m 48s
    3. Creating and testing a PHP-based web page
      8m 25s
    4. Adding PHP commands with the Insert panel
      3m 14s
    5. Setting and outputting simple variables
      3m 56s
    6. Testing pages with Live view and Live Code view
      2m 9s
    7. Using server-side includes
      7m 50s
    8. Navigating included pages with the Code Navigator
      2m 50s
  4. 36m 37s
    1. Using code hinting with PHP variables
      5m 31s
    2. Understanding PHP custom classes
      6m 38s
    3. Adding Zend Framework to PHP on Windows
      5m 18s
    4. Adding Zend Framework to PHP on Mac
      4m 2s
    5. Using the Site-Specific Code Hints feature
      3m 43s
    6. Using Zend Framework classes with code hints
      7m 26s
    7. Managing reusable code with the Snippets panel
      3m 59s
  5. 18m 27s
    1. Understanding relational databases
      5m 26s
    2. Creating a MySQL database in phpMyAdmin
      4m 41s
    3. Adding data in phpMyAdmin
      2m 46s
    4. Importing a completed database from a script
      5m 34s
  6. 39m 35s
    1. Defining a Dreamweaver database connection
      5m 27s
    2. Building a simple recordset
      4m 31s
    3. Building an advanced recordset
      5m 1s
    4. Displaying data with repeating regions
      6m 4s
    5. Displaying data in a dynamic table
      4m 15s
    6. Formatting dynamic data
      4m 54s
    7. Displaying the total number of records
      2m 4s
    8. Limiting records with paging controls
      4m 5s
    9. Creating conditional regions
      3m 14s
  7. 43m 12s
    1. Building a simple data entry form
      5m 27s
    2. Handling form submissions with PHP
      5m 12s
    3. Creating a customer email form
      3m 9s
    4. Validating form controls with Spry
      7m 54s
    5. Populating a list control with dynamic data
      4m 50s
    6. Working with multiple checkbox controls
      8m 5s
    7. Sending email with Zend_Mail
      8m 35s
  8. 50m 51s
    1. Using data wizards
      6m 20s
    2. Formatting dates for SQL
      5m 27s
    3. Creating a custom data entry form
      4m 50s
    4. Preparing a database table for server behaviors
      3m 3s
    5. Using the Insert Record server behavior
      5m 42s
    6. Preparing an update form
      7m 6s
    7. Using the Update Form behavior
      5m 46s
    8. Creating list page links to edit and update data
      7m 3s
    9. Using the Delete Record server behavior
      5m 34s
  9. 14m 45s
    1. Creating a login form with a PHP server behavior
      6m 29s
    2. Protecting page access with PHP server behaviors
      4m 17s
    3. Logging out with a PHP server behavior
      3m 59s
  10. 22m 50s
    1. Configuring a remote server with FTP credentials
      4m 42s
    2. Synchronizing site assets with the remote server
      5m 27s
    3. Exporting the MySQL database to a script
      3m 8s
    4. Importing the MySQL database on a remote server
      2m 24s
    5. Configuring the site for the remote database
      7m 9s
  11. 52s
    1. Final thoughts
      52s

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