Understanding WordPress structure
Video: Understanding WordPress structureOne of the real strengths of WordPress is its flexibility. You can easily switch the look and feel of your site to one totally different by activating a different theme. New pages can be quickly added for any special purpose. Content can be grouped by custom tags are categories added on the fly. However, all this flexibility comes at a price. WordPress is a pretty complex application. In this video I'm going to explain just how WordPress works so that you can get a better grasp of what your options are when creating a custom blog.
- Working with web fonts
- Styling a header
- Adding header functions
- Setting up content columns
- Changing the main content
- Managing the content code
- Customizing the sidebar
- Styling search
- Working with search text
- Integrating the footer
- Next steps
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In this course, author Joseph Lowery shows how to combine the utility of WordPress and the power of Adobe Dreamweaver to transition existing websites to the WordPress platform. The course demonstrates how to create new blog posts and pages, customize WordPress themes, and extend WordPress editable pages from within Dreamweaver. It also covers how to add Spry elements, add and customize plugins, and enhance WordPress-stored content with Dreamweaver's dynamic pages. Plus, a chapter on responsive design shows how you can adapt your layouts for tablets and mobile devices.
- Using the Dynamically-Related Files feature in Dreamweaver to design WordPress pages
- Applying WordPress themes
- Customizing themes
- Adding Spry widgets
- Adding WordPress dynamic data
- Populating the WordPress database
- Publishing a WordPress site
Understanding WordPress structure
One of the real strengths of WordPress is its flexibility. You can easily switch the look and feel of your site to one totally different by activating a different theme. New pages can be quickly added for any special purpose. Content can be grouped by custom tags are categories added on the fly. However, all this flexibility comes at a price. WordPress is a pretty complex application. In this video I'm going to explain just how WordPress works so that you can get a better grasp of what your options are when creating a custom blog.
So the first thing that happens is a visitor requests an initial WordPress page: index.php. This starts the whole ball rolling as in viewing any web page. Next, WordPress activates the themes. This is actually the first line of executable code in the WordPress index.php file. Then WordPress works with a series of template files that are dynamically assembled together to create the desired page. So it must check to see which template files are present.
Then it gathers the settings that are stored in the database. This includes all default settings and any ones that have been customized like the title of the site. Next to it retrieves the specified number of most recent posts. The default is 10, but you can set how many posts you want to show through the dashboard settings screen. Then WordPress stores the post data in a variable. This includes data about the posts like the title, the author, the date of the posts, and links to comments--all of this otherwise known as metadata--as well as the content of the post itself.
Then it outputs the data onto a theme page according to the coded layout and CSS styles are applied. When you customize a theme this is where most of the work lies. As you can see, there's a lot going on here, and it all happens in the blink of an eye, and this is just for the homepage. WordPress is capable of displaying all types of pages, including those for single post, archives, post under a particular category, or with a specific tag. One of the key paths to developing custom WordPress blogs is to understand what happens when these and other types of pages are requested.
Remember this step where WordPress checks to see which template files are present? A theme doesn't have to have a specific file for every type of page. WordPress has a template hierarchy built-in that determines what to do if a needed file is missing. Let me give you an example. Let's say the site visitor clicks on the author's name--mine, in this example--to see all the posts that he or she have written. First WordPress looks to see if there's a template that combines the author prefix with the author's so-called nice name and uses that if there is.
If there's not, it looks for one with a user id. If that's not there, it tries to display the generic author.php template. Should that template be unavailable it looks for a theme specific archive.php, and if that's not there, it uses the index.php template, the original one. The WordPress template hierarchy covers all the different use cases. You can see a complete diagram in the WordPress.org site.
The template hierarchy gives web designers a tremendous degree of control. You can basically decide how much you want to fine-tune the structure and layout of your WordPress blog on a page by page basis. Now that you have a better understanding of how WordPress works in general you're ready to see how themes fit into that picture.
Find answers to the most frequently asked questions about Dreamweaver and WordPress: Core Concepts .
Here are the FAQs that matched your search "" :
- Q: While trying to set up a Dreamweaver site, an error occurs that says Dreamweaver cannot resolve the dynamic files because the site definition is incorrect. What is causing this? This is using WAMP on a Windows 7 computer.
- A: When setting up the site in Dreamweaver and creating a local testing server, make sure to point it to the folder in c:/wamp/www/ that is being used for the site. If using the same naming convention as shown in the videos, the server folder should be pointing to C:\wamp\www\explore_ca\ and the Web URL field should read http://localhost/explore_ca/, like the picture here:
- Q: How do I set the password for WAMP Server 2?
- A: The WAMP server does not include a password for MySQL when first installed. You’ll need to add a password by modifying a configuration text file and set up a password in the MySQL server.
Setting a password on the MySQL server:
- From the Start menu, enter CMD to open the command line interface.
- Switch to the bin directory of your MySQL folder, installed by WAMP. For version 5.1.36 of MySQL, for example, enter cd c:\wamp\bin\mysql\mysql5.1.36\bin
Navigate within the WAMP folder installed on your system to find the proper path.
- Enter the following: mysql -u root
- The command line for MySQL will open with a mysql prompt like this: mysql>
- Enter the following:
SET PASSWORD for 'root'@'localhost' = PASSWORD('yourPassword');
- replace 'yourPassword' with the password you want to use.
- Close the CMD window.
After you change the MySQL password you will have to edit the config.inc.php file. Here's how:
- In Windows Explorer, navigate to C:\wamp\apps\phpmyadmin220.127.116.11 (version number may vary).
- Open the file config.inc.php in Dreamweaver or another text editor.
- Locate the following line:
$cfg['Servers'][$i]['password'] = '';
- Enter your password between the quotes; make sure the password is the same as the one you set in the MySQL server.
- Save the file.
- From the system tray icon for WAMP, choose Restart All Services.
- To test, choose phpMyAdmin from the WAMP system tray icon.
- Q: After creating a template following the instructions in the Chapter 5 video “Creating a page template in Dreamweaver,” I am unable to select the template. In the video, the instructor’s page shows a heading of Template, with a dropdown menu, but my version shows only a dropdown labeled “Attributes,” and the newly created template does not appear. What is causing this issue?
- A: This seems to be a bug in WordPress that occurs occasionally. Although a cause has yet to be determined, a possible workaround to get the Template option to appear is switch themes. Switching to the default theme and then back again to Explore_California should reveal the Template option.
- Q: While following along with the instructions in the "Setting up a MySQL password for Windows," I encountered this error: MySQL said: "#1045 – Access denied for user ‘root’@’localhost’ (using password: NO)" What is causing this error?
- A: This error occurs when trying to enter the MySQL monitor with a password for a user who has not set a password yet. In that case, removing the “-u root” part should resolve the problem.
- Q: While following along to the chapter 2 movie "Using dynamically related files," I get an error message that reads: "Dynamically-related files could not be resolved because the site definition is not correct for this server." What is causing this error?
- A: This is a known issue with Dreamweaver, and relates to the permalink settings in the WordPress installation. If the permalink setting is set to something other than the default, like “Month & Name,” for example, Dreamweaver is unable to resolve the dynamic files, and the described error will occur. Changing the permalink setting back to Default will clear the error.
- Q: I am bit confused as to my need to use MAMP with a WordPress site in Dreamweaver. If I am going to use a separate commercial hosting site as my server, do I still need to use MAMP in my WordPress site?
- A: MAMP is installed to provide an easy-to-use development server capable of handling MySQL and PHP on your local computer. It's also possible to set up MySQL and PHP servers separately, but it requires many more steps and is not as "user-friendly" as the described process. Your hosting server will have MySQL/PHP enabled on their servers for the remote live setup, but that doesn't have anything to do with developing and testing pages on your own computer.
- Q: I can't find the file named commevents.php in the exercise files. I need it to set up an online database in the last chapter.
- A: This is a file you create yourself when you first connect to a database. Refer to the "Adding WordPress dynamic data to pages" video in Chapter 7. commevents.php should appear in the Connections folder once you establish a connection.
- Q: In "Setting up a MySQL password for Windows", I'm getting the error "#1045 - Access denied for user 'root'@'localhost'" when testing the phpMyAdmin.
If I try and re-do the steps, I get the following error "ERROR 1044 (42000): Access denied for user ''@'localhost' to database mysql'" when I try to change the password.
- A: This seems to be happening because of the combination of Windows 7 and a
new version of WampServer 2.1. Here's another approach that should work
for the new combination.
Follow these steps instead of the ones using the CMD prompt. (As a bonus, they're much easier!)
- Left-click on the WampServer icon tray.
- Choose phpMyAdmin.
- When the phpMyAdmin page opens in your browser, click the Privileges tab found after the Engines tab.
- Locate the line in the User table with "root - localhost - No..." (probably the last one).
- Click the Edit icon (the final item in the row).
- Scroll down to the Change Password section.
- Select Password and enter your password twice. (If you're following the exercises, enter root).
- Click Go in the lower-right corner.
- Q: I want to setup the practice files and site on my localhost, as described; however, I already have my current WordPress site (under development) running on my localhost. How do I run two WordPress sites on my localhost?
- A: You can easily do it by setting up another site in Dreamweaver. Just copy the WordPress files to that folder as described and establish a new database via phpMyAdmin. You can set up as many WordPress sites as you need to. The author has upwards of 80 on his system, all for different clients.
- Q: This course was updated on 10/23/2012. What changed?
- A: The course was thoroughly revised and uses the most current versions of both programs. We added chapters on responsive design and creating a custom administration panel in WordPress, new movies about concepts and taxonomies, and extended the Spry chapter to include jQuery, among other changes. New movies are indicated by the NEW tag next to the movie name.
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