What is WordPress Hook: pre_site_option_{$key}
The pre_site_option_{$key} hook in WordPress is used to filter the value of a site option before it is retrieved. This allows developers to modify the value of a specific site option before it is returned, providing a way to customize the behavior of the site.
Understanding the Hook: pre_site_option_{$key}
The pre_site_option_{$key} hook is located within the get_site_option() function in WordPress. This function is used to retrieve the value of a specific site option from the database. The pre_site_option_{$key} hook is triggered just before the value is returned, allowing developers to modify it as needed.
Hook Parameters (if applicable): pre_site_option_{$key}
The pre_site_option_{$key} hook accepts the $value and $option_name parameters. The $value parameter contains the value of the site option, while the $option_name parameter contains the name of the option being retrieved. Developers can modify the $value parameter within the hook to change the value of the site option before it is returned.
Hook Doesn’t Work: pre_site_option_{$key}
If the pre_site_option_{$key} hook doesn’t seem to be working, it could be due to a few reasons. First, ensure that the hook is being added and executed correctly within the WordPress theme or plugin. Additionally, check that the correct $key is being targeted within the hook. If the hook still doesn’t work, consider debugging with var_dump() or error_log() to identify any issues.
Best Practices & Usage Notes (if applicable): pre_site_option_{$key}
When using the pre_site_option_{$key} hook, it’s important to note that modifying the value of a site option can have wide-ranging effects on the functionality of the site. It’s best to use this hook sparingly and with caution, ensuring that any modifications are thoroughly tested to avoid unintended consequences.
Usage Example: pre_site_option_{$key}
“`php
function custom_site_option_filter( $value, $option_name ) {
if ( $option_name === ‘my_custom_option’ ) {
// Modify the value of the ‘my_custom_option’ site option
$value = ‘modified_value’;
}
return $value;
}
add_filter( ‘pre_site_option_my_custom_option’, ‘custom_site_option_filter’, 10, 2 );
“`
