BP_Background_Process::get_batch()

		protected function get_batch() {
			global $wpdb;

			$table        = $wpdb->options;
			$column       = 'option_name';
			$key_column   = 'option_id';
			$value_column = 'option_value';

			if ( is_multisite() ) {
				$table        = $wpdb->sitemeta;
				$column       = 'meta_key';
				$key_column   = 'meta_id';
				$value_column = 'meta_value';
			}

			$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';

			$query = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$table} WHERE {$column} LIKE %s ORDER BY {$key_column} ASC LIMIT 1", $key ) ); // @codingStandardsIgnoreLine.

			$batch       = new stdClass();
			$batch->key  = $query->$column;
			$batch->data = array_filter( (array) maybe_unserialize( $query->$value_column ) );

			return $batch;
		}