What is WordPress Hook: _get_page_link
The _get_page_link hook in WordPress is used to modify the URL of a specific page before it is displayed. This hook allows developers to change the permalink of a page dynamically.
Understanding the Hook: _get_page_link
The _get_page_link hook is located within the get_page_link function in WordPress. This function is responsible for retrieving the permalink of a specific page. The hook is placed right before the permalink is returned, allowing developers to modify the URL as needed.
Hook Parameters (if applicable): _get_page_link
The _get_page_link hook accepts the following parameters:
– $link (string): The original permalink of the page.
Developers can modify the $link parameter within the hook to change the permalink of the page before it is displayed.
Hook Doesn’t Work: _get_page_link
If the _get_page_link hook doesn’t work as expected, it could be due to incorrect usage or conflicts with other functions or plugins. To troubleshoot, developers should ensure that the hook is being used correctly and check for any conflicts with other code or plugins. Additionally, verifying that the hook is placed in the correct location within the code is essential for it to function properly.
Best Practices & Usage Notes (if applicable): _get_page_link
When using the _get_page_link hook, developers should be mindful of potential conflicts with other plugins or functions that modify permalinks. It’s important to test the modified permalink thoroughly to ensure that it works as intended across different scenarios. Additionally, developers should document any changes made using the hook for future reference.
Usage Example: _get_page_link
“`php
function custom_page_link($link) {
// Modify the permalink here
$modified_link = $link . ‘?custom_param=123’;
return $modified_link;
}
add_filter(‘_get_page_link’, ‘custom_page_link’);
“`
In this example, the _get_page_link hook is used to modify the permalink of a page by adding a custom parameter to the URL. The custom_page_link function accepts the original permalink as a parameter, modifies it by appending a custom parameter, and returns the modified permalink.
