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Changing the output of meta elements

From: WordPress: Building Themes from Scratch Using Underscores

Video: Changing the output of meta elements

Out of the box, underscores displays the post meta as posted on. When I have a function like this, I need All of this means the only thing we actually have to change Cut it out.

Changing the output of meta elements

Out of the box, underscores displays the post meta as posted on. And then, the date with a link to the date archive. By. And then, a name to the author with a link to the author archive. But, in my design, I wanted to display as written by. And then, the name and a link to the name archive. And then, a date and a link to the date archive. And then, I also want to add a link for the comments to this post. Just like with the rest of the content in the single post template, this is all controlled from content dash single.

But if you look closer, you'll see that here, we have the div that contains the entry meta. But we don't actually have the entry meta. Instead we have a customer function. And this is another example of these dry development principles. Because we're going to display the post meta in several different places, both on single posts and maybe on other single templates. And also, on all the different index pages and archives. The pulse meta has been placed in its own function, so that we can change it once. And then it changes on all the different pages it's being displayed on.

And here, you'll see one of those great things about using NetBeans, or another development IDE. When I have a function like this, I need to get to the actual function to work on it. And if you're using an IDE, all you need to do is hold down Ctrl if you're on Windows. Or a Command if you're on a Mac and click on a function name. And the IDD will open the file wherever the function is defined and take you directly to it. So, this function, My Simone Posted On is contained within the Include Folder. And under template/tags.php.

So here we have the function we need to edit and this is one of the most complex functions that is inside this theme. So let me just quickly explain how it works, it's actually starts down here, so here we have a print F function that outputs. The post meta content. So it starts out by creating a span with the class posted on. It then says post it on, in plain text, and then it calls this number one. And number one is this first sprintf function here.

And within the sprintf function, we're defining a link that points to another number one, and this time the number one is the permalink. And then it outputs the text within the link, which is number two, and that is the time string. Now the time string is defined up here, and again it's doing another one of those loop things where it starts out by defining an HTML time class, and then it used these variables number one. Number two, number three, and number four to call the variables down here.

And what it is doing is it's grabbing the date in different formats and displaying them in the correct formats so that the complete output of the time tag will be in accordance with html standards. If you've never seen php before, this might look really complicated. But all you have to remember is anytime you see one of these, %1$s, what you're looking for is the next comma-separated element down the list, so this number one would be the next element, which is here.

And when you another number one in site, and there again looking for the next element, which is this one and then number two would be this one. And number two on the top list here, right here, will be the next comma separate element down here which is the author class vcard that shows a link to the author with first a link to the author url. And then, the name of the author in the next function. All of this means the only thing we actually have to change is the output of this single line 'cause that's what controls everything.

And right now, you'll see it starts by saying span class posted on, and then it says posted on the date. And then, it follows by saying. Span class byline. By, and then the name of the author. So ice can simple take the byline here. Cut it out. Slide it to the front. Paste it in again. Then I can change it to say, written by. And then it'll say posted on. And here it says, posted on, and on the date. But I don't want it to say posted on. I just want it to say the date. So remove that, Save Template Tags, and go and reload my page and now you'll see, written by and then the name of the author, that's linkable, and it says January 7, 2012 which is the date.

Now this looks kind of weird right now and it's all crammed together, and later we'll use CSS to separate it and we're also going to. Insert on in between here and I'll explain why later on in the course, but for now this works fine. So now we're just missing one final element and that is the links to the comments, and here we need to go back to content single. Now when we started out with content single there was a link to the comments in the footer, but I removed it. So now I'm going to add in the link to the comments, right underneath where we call this my_simone_posted_on.

I'm placing the link to the comments outside of the function because there are certain place where I don't want to display the link to the comments. So here I'm going to go to my code snippets. And as you can see, if you got confused by the previous thing I did you can also just copy out the code from here. And it'll just display the quote exactly as you want it. So what I want to do now is grab the code snippets for the comments so I'll copy this and just paste it in directly below my simoon posted on. And shift it in. So what this function does is, it tests to see whether a password is required for the post and also whether comments are open, and whether or not there are comments.

And then it outputs a span that has the class comments link, and it'll say either leave a comment, if there are no comments. Or if there's one comment it'll say one comment or if there are a number of comments, it'll give you the number of comments. It's a very simple function and you'll see it in most WordPress themes. So, usually you can just copy this function and place it in anywhere you want the comments link to appear. So now, I can go pack to my post and reload it. And you'll notice nothing happened. We don't have the comment here. That's not because the function didn't work, it's actually because it did work.

Because you see this post that I selected, the first post in the unit test data has comments disabled. So I need to go into edit post. Go to screen options, and make sure discussion is checked. Then I can scroll down, and here I find discussion. And now I need to check allow comments. And when I now click update, and go back and view the post, we have a link to leave a comment, because there are currently no comments. And if we had a comment it would say, one comment, and if we had several comments, it would say the number of comments. So now we have the complete comment structure we're looking for.

We start out with a list of the categories, then we have the title, then we have written by the post author, the date, the comments link, the main content, and we end with a list of the tags and finally the edit button. And now we're ready to apply styles to this to make it look the way it does in our design.

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This video is part of

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  1. 10m 55s
    1. Welcome
      1m 4s
    2. What to know before you start this course
      2m 40s
    3. How this course and the lesson files work
      3m 12s
    4. Introducing Simone: A preview of the final project
      3m 59s
  2. 21m 28s
    1. Installing and running WordPress on your computer
      3m 53s
    2. Getting and installing Underscores
      4m 11s
    3. Installing WordPress Theme Unit Test data
      4m 18s
    4. Installing the Developer plugin
      2m 58s
    5. Installing and setting up NetBeans or another IDE
      6m 8s
  3. 16m 15s
    1. Designing for mobile, content, and style
      4m 52s
    2. How do WordPress themes work?
      4m 48s
    3. Understanding the WordPress template hierarchy
      2m 19s
    4. Underscores: An overview
      4m 16s
  4. 37m 5s
    1. Setting up style.css
      4m 47s
    2. Configuring baseline settings and functions
      6m 6s
    3. Enabling custom fonts and font icons
      5m 44s
    4. Applying global styles
      5m 11s
    5. Styling basic layout components
      6m 19s
    6. Making the site layout responsive
      8m 58s
  5. 23m 18s
    1. Styling the default header
      6m 25s
    2. Hiding the site title and tagline
      5m 32s
    3. Adding an optional header image function
      5m 23s
    4. Placing the header image behind the site title
      5m 58s
  6. 40m 55s
    1. Setting up menus
      3m 12s
    2. Styling the menu
      7m 42s
    3. Using Superfish for accessible menus
      8m 0s
    4. Making the menu responsive
      7m 3s
    5. Creating a custom social media menu
      5m 51s
    6. Styling the menu with icons from Font Awesome
      9m 7s
  7. 18m 9s
    1. Adding the search form
      6m 27s
    2. Adding the search icon
      6m 55s
    3. Adding show/hide functionality to the search form with jQuery
      4m 47s
  8. 33m 20s
    1. Adding a widgetized area to the footer
      7m 10s
    2. Using the Monster widget plugin to test all widgets
      2m 11s
    3. Styling the footer
      3m 6s
    4. General widget styling
      5m 33s
    5. Adding custom styles to specific widgets
      7m 34s
    6. Using Masonry to make footer widgets responsive
      7m 46s
  9. 54m 49s
    1. Changing the Single Post Template content structure
      5m 54s
    2. Changing the output of meta elements
      7m 2s
    3. Styling the Single Post Template
      7m 57s
    4. Making post meta responsive
      6m 21s
    5. Styling blockquotes
      5m 39s
    6. Creating pull quotes and pull images
      5m 1s
    7. Working with image captions
      4m 27s
    8. Working with image galleries
      4m 57s
    9. Single-post navigation
      7m 31s
  10. 30m 23s
    1. Working with the comments template
      8m 42s
    2. Using Gravatars in comments
      2m 42s
    3. Styling comments
      7m 26s
    4. Highlighting post author comments
      3m 36s
    5. Styling the comment form and messages
      7m 57s
  11. 18m 43s
    1. How do featured images (post thumbnails) work?
      2m 57s
    2. Defining featured image sizes
      3m 30s
    3. Generating new featured images with a plugin
      1m 46s
    4. Adding featured images to a template
      5m 7s
    5. Styling the featured image
      5m 23s
  12. 1h 2m
    1. The index template hierarchy
      2m 21s
    2. Customizing and styling index templates
      10m 10s
    3. Displaying excerpts or full content on index pages
      3m 6s
    4. Adding a custom Read More link
      3m 48s
    5. Adding featured images
      4m 0s
    6. Creating custom pagination navigation
      6m 4s
    7. Highlighting Sticky Posts
      2m 55s
    8. Creating custom post format templates
      5m 30s
    9. Highlighting the most recent post in the index template
      7m 22s
    10. Embracing modular design
      2m 29s
    11. Working with archive.php
      5m 54s
    12. Customizing the search results and the 404 template
      8m 28s
  13. 9m 7s
    1. Styling pages
      3m 4s
    2. Creating custom page templates
      6m 3s
  14. 4m 30s
    1. Adding editor styles to match front-end styles
      4m 30s
  15. 2m 20s
    1. Further learning
      2m 20s

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