Simple Function Using wp_remote_get()

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There isn’t a good amount of information on wp_remote_get() in the codex. Take a look to see what I mean:

https://codex.wordpress.org/Function_Reference/wp_remote_get

After you’ve used the function, the information it returns also has to be formatted in a certain way or you won’t be able to do anything with it.


wp_remote_get() Basics

Let’s start with a simple function:

$response = wp_remote_get( 'http://yoursite.com/api/somecallhere' );
if ( is_wp_error( $response ) ) { echo 'There be errors, yo!'; } else { echo 'It worked!'; }

With this function, we’re using wp_remote_get() to retrieve our URL. If there’s an error, we display the first sentence. If it worked, we display the second sentence.

Not much value in that so we need a few more lines of code.

What Comes Next?

Once we retrieve data from the URL, we need to format it correctly.

$response = wp_remote_get( 'http://yoursite.com/api/somecallhere' );
if ( is_wp_error( $response ) ) {
   echo 'There be errors, yo!';
} else {
   $body = wp_remote_retrieve_body( $response );
   $data = json_decode( $body );
}

if ( $data->Data ) {
   echo 'We got data, yo!';
}

After we retrieve our data, we use wp_remote_retrieve_body() and json_decode() to process it and get what we need.

We can even go one step further and display our data.

$response = wp_remote_get( 'http://yoursite.com/api/somecallhere' );
if ( is_wp_error( $response ) ) {
   echo 'There be errors, yo!';
} else {
   $body = wp_remote_retrieve_body( $response );
   $data = json_decode( $body );
}

if ( $data->Data ) {
   print_r( $data->Data );
}

This we’ll display the array of data that was returned.

Conclussion

When you need to hook into an API or retrieve data from a URL, wp_remote_get() is the function you need. Just remember that you’ll also have to take a few more steps in order to get to the actual data you want.

If you have any questions or feedback on this post, please use the comments below to start a discussion.

The post Simple Function Using wp_remote_get() appeared first on bavotasan.com.

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