激活WordPress调试时尝试访问数组偏移量时出错

Question

我在public_html/wp-config.php中执行define( 'WP_DEBUG', true );，并在wp-admin 中看到此错误消息

注意：试图访问中bool类型值的数组偏移量/home/uurbanet1/public_html/wp-content/plugins/no-catcha-repatcha for wooccommerce/base-class.php在线24

base-class.php中的第24行：

self::$site_key = self::$plugin_options['site_key'];

请帮助解决这个问题

代码：

<?php

class WC_Ncr_No_Captcha_Recaptcha {
/** @var string captcha site key */
static private $site_key;
/** @var string captcha secrete key */
static private $secret_key;
static private $theme;
static private $language;
static protected $error_message;
static protected $plugin_options;
public static function initialize() {
self::$plugin_options = get_option( 'wc_ncr_options' );
self::$site_key = self::$plugin_options['site_key'];
self::$secret_key = self::$plugin_options['secrete_key'];
self::$theme = self::$plugin_options['theme'];
self::$language = self::$plugin_options['language'];
self::$error_message = self::$plugin_options['error_message'];

add_action( 'plugins_loaded', array( __CLASS__, 'load_plugin_textdomain' ) );
// initialize if login is activated
if ( ( isset( self::$plugin_options['captcha_wc_registration'] ) && self::$plugin_options['captcha_wc_registration'] == 'yes' ) || ( isset( self::$plugin_options['captcha_wc_login'] ) && self::$plugin_options['captcha_wc_login'] == 'yes' ) || ( isset( self::$plugin_options['captcha_wc_password_reset'] ) && self::$plugin_options['captcha_wc_password_reset'] == 'yes' ) ) {
add_action( 'wp_head', array( __CLASS__, 'header_script' ) );
}
}
public static function load_plugin_textdomain() {
load_plugin_textdomain( 'wc-no-captcha', false, basename( dirname( __FILE__ ) ) . '/languages/' );
}
/** reCAPTCHA header script */
public static function header_script() {
$lang_option = self::$plugin_options['language'];
// if language is empty (auto detected chosen) do nothing otherwise add the lang query to the
// reCAPTCHA script url
if ( isset( $lang_option ) && ( ! empty( $lang_option ) ) ) {
$lang = "?hl=$lang_option";
} else {
$lang = null;
}
echo '<script src="https://www.google.com/recaptcha/api.js' . $lang . '" async defer></script>' . "rn";
}

/** Output the reCAPTCHA form field. */
public static function display_captcha() {
echo '<div class="g-recaptcha" data-sitekey="' . self::$site_key . '" data-theme="' . self::$theme . '"></div>';
}
/**
* Send a GET request to verify captcha challenge
*
* @return bool
*/
public static function captcha_wc_verification() {
$response = isset( $_POST['g-recaptcha-response'] ) ? esc_attr( $_POST['g-recaptcha-response'] ) : '';
$remote_ip = $_SERVER["REMOTE_ADDR"];
// make a GET request to the Google reCAPTCHA Server
$request = wp_remote_get(
'https://www.google.com/recaptcha/api/siteverify?secret=' . self::$secret_key . '&response=' . $response . '&remoteip=' . $remote_ip
);
// get the request response body
$response_body = wp_remote_retrieve_body( $request );
$result = json_decode( $response_body, true );
return $result['success'];
}

public static function on_activation() {
if ( ! current_user_can( 'activate_plugins' ) ) {
return;
}
$plugin = isset( $_REQUEST['plugin'] ) ? $_REQUEST['plugin'] : '';
check_admin_referer( "activate-plugin_{$plugin}" );
$default_options = array(
'captcha_wc_registration' => 'yes',
'captcha_wc_comment'      => 'yes',
'theme'                => 'light',
'error_message'        => __('<strong>ERROR</strong>: Please confirm you are not a robot', 'wc-no-captcha')
);
add_option( 'wc_ncr_options', $default_options );
}
public static function on_uninstall() {
if ( ! current_user_can( 'activate_plugins' ) ) {
return;
}
delete_option( 'wc_ncr_options' );
}
}

Answer 1

您的问题是self::$plugin_options = get_option( 'wc_ncr_options' );，它没有提供默认值，所以如果不保存该选项，它将仅为return false，所以当您尝试将其用作数组时，您会得到这些错误，实际上您所做的是$test = false; $test['site_key']，它总是会因一些数组错误而失败。

您应该为get_option 提供默认值

E。G

get_option( 'wc_ncr_options', ['site_key' => "some value", ...] );