Core_Upgrader

• 用于更新核心的核心类。

描述：

它允许WordPress与wp-admin / includes / update-core.php文件一起升级。

示例：

class Core_Upgrader extends WP_Upgrader {

    public function upgrade_strings() {

        $this->strings['up_to_date'] = __( 'WordPress is at the latest version.' );

        $this->strings['locked']     = __( 'Another update is currently in progress.' );

        $this->strings['no_package'] = __( 'Update package not available.' );

}

}