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Dreamweaver with PHP and MySQL

Managing reusable code with the Snippets panel


From:

Dreamweaver with PHP and MySQL

with David Gassner

Video: Managing reusable code with the Snippets panel

Dreamweaver CS5 offers another feature for managing your code, where you want to use the code over and over again. It's called the Snippets panel, and it's been a part of Dreamweaver for quite a while. For this exercise, I'll use the version of my site in the folder 03_managingcode\06_snippets. The Snippets folder is located in the same panel group as the Files panel. It's populated with some default snippets, including commenting, footers, form elements, and many others, but you can add your own snippets quite easily.
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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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Dreamweaver with PHP and MySQL
4h 55m Intermediate Sep 22, 2010 Updated Jun 12, 2012

Viewers: in countries Watching now:

Join author David Gassner as he describes how to add dynamic data to a PHP-enabled web site in Adobe Dreamweaver. This intermediate course shows how to plan and create a MySQL database, define a PHP-enabled site in Dreamweaver, connect the site to the database, and manage and present dynamic data. David also explores Dreamweaver features such as PHP custom class introspection and site-specific code hinting as well as the differences between the CS5 and CS6 versions of the software.

This course was updated on 6/12/2012.

Topics include:
  • Understanding dynamic versus static content
  • Adding PHP commands to web pages
  • Setting and outputting variables
  • Using server-side includes
  • Creating PHP custom classes
  • Adding the Zend Framework to a PHP installation
  • Creating a MySQL database
  • Adding data in phpMyAdmin
  • Building recordsets
  • Formatting dynamic data
  • Building data entry forms
  • Authenticating users
  • Deploying a dynamic site
Subjects:
Developer Web Databases Web Development
Software:
Dreamweaver
Author:
David Gassner

Managing reusable code with the Snippets panel

Dreamweaver CS5 offers another feature for managing your code, where you want to use the code over and over again. It's called the Snippets panel, and it's been a part of Dreamweaver for quite a while. For this exercise, I'll use the version of my site in the folder 03_managingcode\06_snippets. The Snippets folder is located in the same panel group as the Files panel. It's populated with some default snippets, including commenting, footers, form elements, and many others, but you can add your own snippets quite easily.

For this exercise, I'll start with the file footer.php that's in the _includes folder of my site. I'll look at the file in Code View in fullscreen and scroll down to the dateutil section. I'm going to take a few elements of this php code and make them into a reusable code snippet. I'll start with the PHP Include command up at the top. I'm going to move the code around a little bit to get the code ready to use in a code snippet, but I won't save the changes to this file; I'm only going to use it as a resource.

I'll first select the include command from the first php code block, and I'll copy it to the clipboard. Then I'll go down to the other php code that's calling the DateUtility class. I'll place the cursor within the php code block and press Enter, and then paste in the Include command. Then I'm going to change the indenting of this code. I'll select the entire code block and then press Shift+Tab until all of the code is aligned left in the page.

The purpose is just to strip out all the tabs before I create the snippet. I'll leave the code selected, and I press F4 to show my panels again. Then I'll go to the Snippets panel. Within the Snippets panel, you can add a new snippet to any of the existing folders, or you can create your own folder. I'll right-click in the panel, but not on any of the folder icons, and choose New Folder, and I'll name my new folder PHP. Then I'll right-click again and choose New Snippet.

The code that I'd already selected in the editor area is automatically copied into the snippet dialog. You can also manually copy and paste, if you like. I'll name my new snippet Get Current Time. You can select your snippets to one of two types. If you choose Wrap selection, you'll be inserting code before and after selected code. If you choose Insert block, that means you're inserting all of the code as a single block. That's the type that I want to use.

In the Description, you can type in anything you want. I'll type in, "Use my custom DateUtility class" and click OK. Anytime you want to use that code, you'll have it available in your Snippets folder. I'll go back to footer.php, I'll go back to the top of the page, and I'll remove the php code block at the top, and I'll go down to the bottom and remove that php code block as well. Now, in the future, if I want to use the snippet, all I have to do is make a little bit of space, then go to the Snippets panel and then double-click the snippet, or drag it where I want it to go.

The Snippets panel allows you to build up a collection of common php code or HTML or JavaScript code, whatever you like. Unlike the site-specific code hints, which is site-specific, the Snippets panel saves your content for all of your sites. So if you come up with a good bit of code that works on one site and you want to be able to easily use it on another site, store it in the Snippets panel. Later on, you'll be able to use that code wherever you need it.

Find answers to the most frequently asked questions about Dreamweaver with PHP and MySQL.


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Q: The Bindings panel is disabled, and I can't create new queries or form variables in the current PHP file. How can I correct this problem?
A: This indicates that the file you have open isn't a part of your current site. For example, you might have opened a file from one site, then switched sites and tried to continue working on the same file. Try closing all files, then opening the file you want to work on from the Files panel. This ensures that the current file and site are in sync.
Q: I'm having trouble getting code hinting to work on Mac OS X. Are there know issues that could be causing the issues?
A: There might be an issue with your code hinting configuration. Make sure the folders you designated in the code hinting config screen match the disk location where you copied the Zend Framework files. You should have a file named dw_php_codehinting.config in your site root folder after setting up your code hinting configuration. Assuming you copied the Zend Framework files to a folder on your Mac named /phpincludes, the contents of the file might be: "/Volumes/Macintosh HD/phpincludes/ZendFramework/library/Zend/Date" EXTENSIONS(.php) "/Volumes/Macintosh HD/phpincludes/ZendFramework/library/Zend" EXTENSIONS(.php).  The exact path will differ depending on your hard disk name and the folder to which you copied Zend Framework. For subsequent exercises in the video series, the sample files provided with the course have the configuration for Windows as demonstrated in the videos. Once you get code hinting working in one exercise, you can copy the working dw_php_codehinting.config file from the current site folder into the new site folder.
Q: I’m following along in the video "Configuring a PHP testing server." When I go to preview the index.htm or .php files, I don't get the Dependent Files dialog box, and I get the page in my browser with just the HTML and no styling. The index file gets copied to the proper folder, but none of the dependent files are getting copied over. How can I resolve this issue?
A: If you are experiencing this problem, check your settings in Dreamweaver. The prompts for putting files onto the server have most likely been turned off. Follow these steps: 1) On Windows, select Edit > Preferences. 2) In the Preferences dialog, select the Site category. 3) Make sure your options for Dependent Files (prompt on get/check out, and prompt on put/check in) are selected. 4) Make sure your Put and Move options are selected (located at the bottom of the screen). 5) Then try previewing the file again. The dialogs should appear.
Q: I am having a problem with the "Handling form submission with PHP" video in Chapter 6. When I create a form variable "firstname" in the the Binding panel, in the Simpleform2.php file, I don't see the new variable in the list afterwards. It's as if the panel is disabled. What's going on?
A: Some users have reported that this problem can be corrected by deleting a file named  ".mno" from the site folder's _notes subfolder. The file is hidden, so you won't see it in Finder on Mac or Explorer on Windows. Note that there might be many files in the _notes subfolder with the .mno extension, but you only need to delete the file with no name and just the extension.

Follow these steps to delete the file:

Windows:
Open a command window
Switch to the site folder
Type these commands:

cd _notes
attrib -H .mno (this removes the hidden flag from the file)
del .mno (this deletes the file)

Mac OS X:
Open Terminal
Switch to the site folder
Type:
cd _notes
ls -a .mno (if the file is there, this command will show it)
rm .mno (this deletes the file)
Q: I want to use the Zend Framework in my PHP site, but my internet service provider (ISP) doesn't let me modify the php.ini file to include the files as taught in the course. What can I do?
A: If your host doesn't let you make changes to your php.ini file, you can include the Zend Framework with one of these strategies:

  • Copy the Zend Framework to the folder containing your web site files. In your PHP pages, your 'include' command can refer to the appropriate files with relative directory addressing:

 <?php include('../ZendFramework/library/Zend/Date.php'); ?

  •  If your shared host provides a special directory to contain your web files (for example, it might be named 'www' or 'web'), then you can add the Zend Framework files to your root folder as a sibling to the web folder. You'll need to find out the physical folder name; PHP's $_SERVER['DOCUMENT_ROOT'] variable can help you find this:

 <?php echo $_SERVER['DOCUMENT_ROOT']; ?

You can then programmatically modify the include_path variable at runtime with the set_include_path() function. For example, if your physical root folder is /home/myroot, the code might look like this:

<?php
set_include_path('.' . PATH_SEPARATOR .
'/home/myroot/ZendFramework/library/Zend');
include('Date.php');
?
Q: This course was updated on 6/12/2012. What changed?
A: This course was updated to show the minor UI differences between Dreamweaver CS5 and CS6, especially the change from separate Live Code/Live View buttons to a single Live button.
Q: phpMyAdmin is not opening properly in the second lesson in Chapter 4, "Creating a MySQL database in phpMyAdmin." The error message says:

#2002 - The server is not responding (or the local MySQL server's socket is
 not correctly configured)
A: The error indicates that there's an incorrect reference to the MySQL 'sockets' file. This is set automatically during WampServer installation, but if you've previously installed other copies of MySQL there can be some leftover conflicts (even if you've uninstalled the other copies).

Check your system for duplicate copies of the file 'my.ini' - it's a MySQL configuration file that might have been left around from a previous installation. The most likely folder in which to look is c:\windows\System32, but it could also be elsewhere. If you find any such files that aren't in the c:\wamp directory structure, rename or delete them, then reboot your system.

If that isn't the issue, you'll need to start from scratch: back up your working files from c:\wamp\www, then uninstall WampServer, delete the c:\wamp folder completely, and reboot and reinstall. Test phpMyAdmin immediately after installation. Then, if it stops working along the way you'll have better information about what steps might have cause the issue.
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