What is WordPress Hook: manage_sites_custom_column
The manage_sites_custom_column hook is a specific hook in WordPress that allows developers to modify the custom columns for the sites in the network admin sites list table.
Understanding the Hook: manage_sites_custom_column
The manage_sites_custom_column hook is located within the WP_Site_List_Table class in the WordPress core. It is used to add or modify custom columns for the sites in the network admin sites list table.
Hook Parameters (if applicable): manage_sites_custom_column
The manage_sites_custom_column hook accepts parameters such as $column_name and $site_id. The $column_name parameter represents the name of the custom column being modified, and the $site_id parameter represents the ID of the site being displayed.
Hook Doesn’t Work: manage_sites_custom_column
If the manage_sites_custom_column hook doesn’t work as expected, it could be due to incorrect usage or conflicts with other hooks or functions. It is recommended to double-check the code for any syntax errors and ensure that the hook is being added in the appropriate location.
Best Practices & Usage Notes (if applicable): manage_sites_custom_column
When using the manage_sites_custom_column hook, it is important to consider the performance implications of adding custom columns, especially if the network admin sites list table contains a large number of sites. It is best practice to only add necessary custom columns to avoid unnecessary overhead.
Usage Example: manage_sites_custom_column
“`php
function custom_site_column_content( $column_name, $site_id ) {
if ( $column_name === ‘custom_column_name’ ) {
// Add custom content for the specified column
echo ‘Custom Content’;
}
}
add_action( ‘manage_sites_custom_column’, ‘custom_site_column_content’, 10, 2 );
“`
