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* File with the class to handle data from Ultimate SEO.
* @package WPSEO\Admin\Import\Plugins
* Class with functionality to import & clean Ultimate SEO post metadata.
class WPSEO_Import_Ultimate_SEO extends WPSEO_Plugin_Importer {
protected $plugin_name = 'Ultimate SEO';
* Meta key, used in SQL LIKE clause for delete query.
protected $meta_key = '_su_%';
* Array of meta keys to detect and import.
protected $clone_keys = [
'old_key' => '_su_description',
'old_key' => '_su_title',
'old_key' => '_su_og_title',
'new_key' => 'opengraph-title',
'old_key' => '_su_og_description',
'new_key' => 'opengraph-description',
'old_key' => '_su_og_image',
'new_key' => 'opengraph-image',
'old_key' => '_su_meta_robots_noindex',
'new_key' => 'meta-robots-noindex',
'convert' => [ 'on' => 1 ],
'old_key' => '_su_meta_robots_nofollow',
'new_key' => 'meta-robots-nofollow',
'convert' => [ 'on' => 1 ],