WordPress 错误:找不到选项页面

Question

我正在开发WordPress插件，但是当我尝试保存更改时，我不断收到ERROR: options page not found.错误。这是我设置的页面代码：https://pastebin.com/AsfcqHhe

我已经尝试了大量的修复程序，但没有一个有效。

Answer 1

您对字段和部分进行排序的方式是错误的，请参阅下面的代码经过测试并作为独立插件工作。在你这边测试它，然后如果它有效，在你的主插件逻辑中实现。

<?php
/**
* Plugin Name: Example Settings
* Description: Example Settings
* Version: 1.0
**/
class Member_Only {
/* Create blank array */
public function __construct() {
//$this = [];
// Hook into the admin menu
add_action( 'admin_menu', array( $this, 'settings_page' ) );
add_action( 'admin_init', array( $this, 'setup_init' ) );
}
public function settings_page() {
//Create the menu item and page
$parent_slug = "member_only_fields";
$page_title = "Member Only Content Settings Page";
$menu_title = "Member Only Content";
$capability = "manage_options";
$slug = "member_only_fields";
$callback = array( $this, 'settings_page_content' );
add_submenu_page( "options-general.php", $page_title, $menu_title, $capability, $slug, $callback );
}
/* Create the page*/
public function settings_page_content() { ?>
<div class="wrap">
<h2> Member Only Content </h2>
<form method="post" action="options.php">
<?php
settings_fields("member_only_fields");
do_settings_sections("member_only_fields");
submit_button();
?>
</form>
<?php }
/* Setup section_callback */
public function section_callback( $arguments ) {
/* Set up input*/
switch( $arguments['id'] ){
case "categories" :
echo "Categories that will trigger the member only message.";
break;
case "loginURL":
echo "The login URL of your site. ";
break;
}
}
public function setup_init() {
register_setting("member_only_fields", "categories");
add_settings_section("categories", "Member Only Categories: ", array($this, 'section_callback'), "member_only_fields");
add_settings_field( 'categories', 'Categories: ', array( $this, 'field_callback' ), 'member_only_fields', 'categories' );
add_settings_section("loginURL", "Login URL: ", array($this, 'section_callback'), "member_only_fields");
}
/* Create input fields*/
public function field_callback ( $arguments ) {
echo "<input name="categories" id="categories" type="text" value="" .get_option("categories"). "">";
}
}
new Member_Only();