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<?php
/**
* User field definition.
*
* Warning: This is implemented only partially - the field accessor is missing, a dummy one is returned instead.
*
* @since 2.0
*/
final class WPCF_Field_Definition_User extends WPCF_Field_Definition {
/**
* Get an accessor for a specific field instance.
*
* @param WPCF_Field_Instance $field_instance Instance of the field the accessor should access.
* @return WPCF_Field_Accessor_Abstract
*/
public function get_accessor( $field_instance ) {
return new WPCF_Field_Accessor_Dummy();
}
/**
* Delete all field values!
*
* @return bool
*/
public function delete_all_fields() {
global $wpdb;
$meta_key = $this->get_meta_key();
$usermeta_records = $wpdb->get_results(
$wpdb->prepare(
"SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s",
$meta_key
)
);
// Delete one by one because we (probably) want all the WP hooks to fire.
foreach ( $usermeta_records as $usermeta ) {
delete_user_meta( $usermeta->user_id, $meta_key );
}
return true;
}
/**
* @inheritdoc
*
* Adds properties: domain
*
* @return array
* @since 2.0
*/
public function to_json() {
$object_data = parent::to_json();
$additions = array(
'domain' => 'users'
);
return array_merge( $object_data, $additions );
}
}