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What is the WordPress Loop?

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The WordPress loop is an essential building block when a web designer or developer begins to better understand how WordPress works and moreover, how they might manipulate a theme to fit the needs of a web site. The loop is a very simple concept to grasp once you understand its necessity. The loop tells WordPress to go get the content that you need. It is that simple, but lets take a stroll through some code to see exactly how it works in practice.

Relax: It’s easier than you think!

In order to get the loop going, we just need to accomplish a few simple tasks.

  • Begin The Loop
  • Do something to display the content we want
  • Close the loop (simple right?)

In order to perform these actions we will need to ask WordPress to play fetch! This is called the “Query”. So in order for us to get the correct content on the correct page the incredible guys and gals at WP ask that we just tell them what we are looking for. So without further ado, lets take a look at some code.

Begin the loop:

[crayon lang=”php”][/crayon]

ask WordPress to play fetch! …

So, in this simple line of PHP we are up to a few things, and it might be easiest to understand if we just look at it like a sentence. This statement first checks if posts exist on our website. Once we have found that there are posts, then we tell WordPress that as long as posts exist, we would like to display those posts.

Do Something About It!

Next, we would tell WordPress exactly what content we would like to be displayed from those posts. For instance, we could include items like our post title <?php the_title(); ?> or maybe our post content <?php the_content(); ?>.

After we have displayed all of our desired information we just need to close up shop (and tidy up a bit). It is always best practice, if not now entirely essential to close the WordPress loop in a clean manner, in case we want to fire up another content loop anywhere else in the page.

So to clean up, we will use the following code to stop our query.

[crayon lang=”php”]


This snippet of code will essentially end our loop. Lets walk through this code step by step. <?php endwhile;else: ?> allows for us to tell WordPress to stop repeating the content loop of the queried posts. In the middle of that snippet you will find a helpful PHP bit that provides a helpful error message for users, just in case we didn’t have any posts related to our query. This type of message is a huge help in places such as search pages. After close out our cash register by ending our while statement, we simply turn out the lights by ending our “if” statement.

So our full beginners loop might look a lot like this.

[crayon lang=”php”]

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There! Wasn’t that easy? I hope that this post will make you a little more familiar with how the WordPress loop works. Admittedly, this is an enormously simplistic look at what can be a very involved function. But Hey! We need to start somewhere. Next we will start to take a look at how to eek out some neat loop functionality and eventually code up our own custom blog page.

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