Introduction to Hooks and use_streams_transport in WordPress

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26 June 2025

Introduction to Hooks and use_streams_transport in WordPress



WordPress is one of the most popular content management systems, with a high level of extensibility that developers can take advantage of through various methods. One of these methods is the use of Hooks. Hooks in WordPress allow you to add or modify your own code without changing the core of WordPress. By using Hooks, you can execute specific tasks before or after running a particular function.



Let’s discuss one of the attractive functions in WordPress, namely use_streams_transport. This function allows you to use different methods for sending data. For example, if you need to retrieve data from an external service, you can achieve this by using transports such as cURL or HTTP Streams.



Utilizing Hooks alongside use_streams_transport can help you easily execute more complex processes. For example, you might want to create a new post in WordPress using data received from an external API. With Hooks and use_streams_transport, you can do this effectively.



Additionally, we will show you how to use these tools in your WordPress projects. Be aware that in order to utilize these functions and Hooks, you need to have a good understanding of WordPress architecture and how it operates. Therefore, it is better to study sufficiently before starting to work with these tools.


Code Example


function fetch_data_from_api() {
$response = wp_remote_get( 'https://api.example.com/data' );
if ( is_wp_error( $response ) ) {
return;
}
$data = json_decode( wp_remote_retrieve_body( $response ), true );
// process data
}
add_action( 'init', 'fetch_data_from_api' );

Code Explanation



Code: function fetch_data_from_api()

Explanation: This function is designed for fetching data from an external API.


Code: $response = wp_remote_get( 'https://api.example.com/data' );

Explanation: In this line, we are using the function wp_remote_get to send a GET request to the specified URL.


Code: if ( is_wp_error( $response ) ) { return; }

Explanation: This line checks if there is an error in the received response, and if there is, execution is halted.


Code: $data = json_decode( wp_remote_retrieve_body( $response ), true );

Explanation: Here, we are decoding the response in JSON format and storing it in the variable $data.


Code: add_action( 'init', 'fetch_data_from_api' );

Explanation: This line links the function fetch_data_from_api to the init hook, so every time WordPress initializes, this function will execute.

FAQ

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What is the purpose of Hooks in WordPress?

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How can I use use_streams_transport?

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Is the wp_remote_get function secure?

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How can I handle errors when retrieving data from an API?