class Cosmo_Games {
public function __construct() {
        add_action(\'admin_menu\', array($this, \'create_plugin_settings_page\'));
    }
    public function create_plugin_settings_page() {
        $page_title = \'Game Settings\';
        $menu_title = \'Games Plugin\';
        $cabability = \'manage_options\';
        $slug = \'cg_settings\';
        $callback = array($this, \'plugin_settings_page_content\');
        $icon = \'dashicons-admin-plugins\';
        $position = 100;
        add_menu_page($page_title, $menu_title, $capability, $slug, $callback, $icon, $position);
    }
    public function plugin_settings_page_content() {
        ?>
        <div class="wrap">
            <h2>My Awesome Settings Page</h2>
            <form method="post" action="options.php">
                <?php
                    settings_fields( \'cg_settings\' );
                    do_settings_sections( \'smashing_fields\' );
                    submit_button();
                ?>
            </form>
        </div> 
        <?php
    }
}
new Cosmo_Games();
 由于某些原因,游戏插件页面没有显示在仪表板中。有人知道我做错了什么吗?
 
                    最合适的回答,由SO网友:Dave Romsey 整理而成
                    上有一个拼写错误$capability 参数:
$cabability=\'manage\\u options\';
为了完整起见,下面是工作代码:
class Cosmo_Games {
    public function __construct() {
        add_action(\'admin_menu\', array($this, \'create_plugin_settings_page\'));
    }
    public function create_plugin_settings_page() {
        $page_title = \'Game Settings\';
        $menu_title = \'Games Plugin\';
        $capability = \'manage_options\';
        $slug = \'cg_settings\';
        $callback = array($this, \'plugin_settings_page_content\');
        $icon = \'dashicons-admin-plugins\';
        $position = 100;
        add_menu_page($page_title, $menu_title, $capability, $slug, $callback, $icon, $position);
    }
    public function plugin_settings_page_content() { ?>
        <div class="wrap">
            <h2>My Awesome Settings Page</h2>
            <form method="post" action="options.php">
                <?php
                    settings_fields( \'cg_settings\' );
                    do_settings_sections( \'smashing_fields\' );
                    submit_button();
                ?>
            </form>
        </div><?php
    }
}
new Cosmo_Games();