我正在尝试创建一个搜索名称的小部件。搜索和其他一切都很好，但当我点击提交时，我又回到了头版。我试图搞乱action=”，但无论我将其更改为什么，小部件仍会重定向到主页。

我确信这很简单，我只是不知道我做错了什么。感谢您的帮助！

    <?php
    require_once(\'include/functions.php\'); 

   if( !defined( \'ABSPATH\' ) ) { exit;}

   class HNDomainSearchWidget extends WP_Widget 
   {
function HNDomainSearchWidget() 
{
    $widget_ops = array(
        \'classname\' => \'HNDomainSearchWidget\',
        \'description\' => \'Search for domains on your site.\'
    );
    $this->WP_Widget(\'HNDomainSearchWidget\', \'HobiNom Domain Search\', $widget_ops);
}

// admin form, in the widget page
function form($instance)
{
    global $wpdb;
    (isset($wpdb->base_prefix) ? $_prefix = $wpdb->base_prefix : $_prefix = $wpdb->prefix); 

$instance = wp_parse_args( (array) $instance, array( \'title\' => \'\' ) );
$title = $instance[\'title\'];
    // allow for updating the widget name
    ?>
   <p>
        <label for="<?php echo $this->get_field_id(\'title\'); ?>">Title: 
        <input class="wide" id="<?php echo $this->get_field_id(\'title\'); ?>" name="<?php echo $this->get_field_name(\'title\'); ?>" type="text" value="<?php echo attribute_escape($title); ?>" />
    </label></p>
    <?php
    }

function widget($args, $instance) 
{ 
    global $wpdb;
    global $post;

    $referrer = $_SERVER[\'HTTP_REFERER\'];

    // widget sidebar output
    extract( $args );
    // these are the widget options
    $title = apply_filters(\'widget_title\', $instance[\'title\']);
    $text = $instance[\'text\'];
    echo $before_widget;

    // Display the widget
    echo \'<div class="widget-text wp_widget_plugin_box">\';

    // Check if title is set
    if ( $title ) { echo $before_title . $title . $after_title;}

    // the actual search get_permalink( $post->ID ); 
    $pid = (isset($post->ID)) ? get_permalink($post->ID) : \'\';
    //echo \'<form role="search" method="get" id="domainsearch" action="\' . esc_url( home_url( \'/\' ) ) . \'?search_for_domain" >\';
    echo \'<form role="search" method="get" id="domainsearch" action="\'. $pid .\'" >\';
    echo \'<input type="text" name="domain" value="Domain.com" onfocus="this.value = \\\'\\\';" />\';
    echo \'<input type="submit" value="\' . __( \'Search\' ) . \'" name="search_domain" /><br />\';
    echo \'</div></form>\';

    $this->search_for_domain($_GET[\'domain\'], get_permalink( $post->ID ));

    echo $after_widget;
}

// update widget options
function update($new_instance, $old_instance) 
{
    $instance = $old_instance;
    // Fields
    $instance[\'title\'] = strip_tags($new_instance[\'title\']);
    return $instance;
}

function deactivate()
{
     delete_option(\'HNDomainSearchWidget\');
    }


// process the widget input and search for domain using
function search_for_domain($search_domain, $permalink)
{
    $referrer = $_SERVER[\'HTTP_REFERER\'];

    if(isset($search_domain))
    {
        // get details to access
        $hobinom = new hobinom_db(); 

        $current_user_id = get_current_user_id();
        $details = $hobinom->get_details($current_user_id);

        $username = $details[\'username\'];  
        $password = $details[\'password\']; 

        // separate the data from domain and tld
        // explode makes each subsequent . a new array, so domain.co.uk is [0],[1],[2] while domain.co is [0][1]
        $root_domain = explode(".", $search_domain);
        $domain = $root_domain[0]; 
        $tld = substr($search_domain, strrpos($search_domain, ".")+1);

        // access enom api
        $url =  \'/interface.asp?command=check&sld=\'.$domain.\'&tld=\'.$tld.
                \'&responsetype=xml&uid=\'.$username.\'&w=\'.$password;

        // Load the API results into a SimpleXML object
        $xml = simplexml_load_file($url);

        if(isset($xml->errors)) 
        {
            // print all errors
            function recursive_print($item, $key)
            {
                echo \'<div id="domain-notavail">\'.$item.\'</div><br />\';
            }
            array_walk_recursive($xml->errors, \'recursive_print\');
        }
        else
        {
            // Read the results
            $rrpCode = $xml->RRPCode;
            $rrpText = $xml->RRPText;

            // Perform actions based on results
            switch ($rrpCode) 
            {
                case 210:
                    echo \'<div id="domain-avail">\'. $xml->DomainName.\' is available</div>\';
                    break;
                case 211:
                    echo \'<div id="domain-notavail">\'.$xml->DomainName.\' is not available</div>\';
                    break;
                default:
                    echo \'<div id="domain-default">Code: \'. $rrpCode . \' \' . $rrpText . \'</div>\';
                    break;
            }
        }       
        //$this->hobinom_redirect($referrer);
    }
}

function hobinom_redirect($permalink) 
{
    wp_redirect($permalink);
}
    }

 add_action(\'widgets_init\', array($HNDomainSearchWidget, \'hobinom_redirect\'));
?>