What is WordPress Hook: in_plugin_update_message-{$file}

The in_plugin_update_message-{$file} hook is a specific WordPress hook that allows developers to modify the update message for a specific plugin. This can be useful for customizing the update message to provide more detailed information to users.

Understanding the Hook: in_plugin_update_message-{$file}

The in_plugin_update_message-{$file} hook is located within the update message function in the WordPress plugin update process. It provides developers with the ability to modify the update message for a specific plugin before it is displayed to users.

Hook Parameters (if applicable): in_plugin_update_message-{$file}

The in_plugin_update_message-{$file} hook does not accept any specific arguments or parameters.

Hook Doesn’t Work: in_plugin_update_message-{$file}

If the in_plugin_update_message-{$file} hook doesn’t work as expected, it may be due to conflicts with other plugins or themes. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.

Best Practices & Usage Notes (if applicable): in_plugin_update_message-{$file}

When using the in_plugin_update_message-{$file} hook, it is important to consider the length and clarity of the update message. Providing concise and relevant information to users is key. Additionally, it is important to test the modified update message to ensure it displays correctly.

Usage Example: in_plugin_update_message-{$file}

“`php
function custom_plugin_update_message( $plugin_data, $response ) {
if ( ‘plugin-folder/plugin-file.php’ === $plugin_data[‘plugin’] ) {
echo ‘Custom update message for this plugin.’;
}
}
add_filter( ‘in_plugin_update_message-plugin-folder/plugin-file.php’, ‘custom_plugin_update_message’, 10, 2 );
“`