What is WordPress Hook: pre_http_request
The pre_http_request hook in WordPress is used to modify the HTTP request before it is sent. This allows developers to intercept and modify HTTP requests made by WordPress before they are processed.
Understanding the Hook: pre_http_request
The pre_http_request hook is located in the wp-includes/class-http.php file within the WP_Http class. It is called right before the HTTP request is made, giving developers the opportunity to modify the request parameters or headers.
Hook Parameters (if applicable): pre_http_request
The pre_http_request hook accepts two parameters: $preempt and $r. The $preempt parameter is a boolean value that determines whether to preempt the request. The $r parameter is an array containing the request arguments.
Hook Doesn’t Work: pre_http_request
If the pre_http_request hook doesn’t work, it may be due to incorrect usage or conflicts with other plugins or themes. To troubleshoot, developers should check for any errors in their code and deactivate other plugins or switch to a default theme to see if the issue persists.
Best Practices & Usage Notes (if applicable): pre_http_request
When using the pre_http_request hook, developers should be cautious not to modify the request in a way that could cause unexpected behavior. It is also important to consider the potential impact on performance, as modifying HTTP requests can add overhead to the request process.
pre_http_request Usage Example: pre_http_request
“`php
function modify_http_request($preempt, $r) {
// Modify the request parameters or headers
$r[‘headers’][‘Authorization’] = ‘Bearer my_access_token’;
return $preempt;
}
add_filter(‘pre_http_request’, ‘modify_http_request’, 10, 2);
“`
