我在WordPress上创建了一个角色复选框。我成功地生成了它们，但checked函数似乎不起作用。

此外，它还发出了这一警告。

Warning: Illegal string offset \'ue_roles_confirm_Administrator\' 

这是我正在使用的代码。

function username_editor_roles_callback() {
    global $wp_roles;
    $option = get_option( \'username_editor_settings\' );
    $roles = $wp_roles->roles;

    foreach ($roles as $role) {
        $roleName = $role[\'name\'];
        $output = sprintf(\'<input type="checkbox" name="username_editor_settings[ue_roles_confirm_%1$s]" value="%1$s" %2$s><label>%1$s</label><br>\', 
            $roleName,
            checked(1, $option["ue_roles_confirm_{$roleName}"])
        );
        echo $output;
    }
}

我找不出它为什么不起作用。我阅读了有关使用带有设置API的数组的所有问题，但遗憾的是，我没有了解他们在做什么。

我的主要想法是检查是否选中了哪个字段。例如，选中administrator和editor。

提前感谢

NOTE: The values are successfully saved in the database inside the wp_options table.Update: I solved the checkbox part by using this method

由于这个问题：Saving multiple checkboxes with WordPress settings api

function username_editor_roles_callback() {
    global $wp_roles;
    $roles = $wp_roles->roles;

    foreach ($roles as $role) {
        $roleName = $role[\'name\'];
        $output = sprintf(\'<input type="checkbox" name="username_editor_settings[ue_roles_confirm][]" value="%1$s" %2$s><label>%1$s</label><br>\', 
            $roleName,
            checked( in_array($roleName, ue_settings_option()["ue_roles_confirm"]), 1, false )
        );
        echo $output;
    }
}

But the warning issue still appears if I uncheck all the boxes.

Solved: I solved all the problems. Adding the working function in answer. If there is a better solution I will still accept the answer even the issue is fixed

function username_editor_roles_callback() {
    global $wp_roles;
    $roles = $wp_roles->roles;

    foreach ($roles as $role) {
        $roleName = $role[\'name\'];
        $output = sprintf(\'<input type="checkbox" id="ue_roles_checkbox" name="username_editor_settings[ue_roles_confirm][]" value="%1$s" %2$s><label for="ue_roles_checkbox">%1$s</label><br>\', 
            $roleName,
            checked( in_array($roleName, (array) ue_settings_option()["ue_roles_confirm"]), 1, false )
        );
        echo $output;
    }
}