我正在尝试创建前端发布页面，但有时“wp\\u redirect”无法处理“cannot modify header information”错误。添加数据工作正常，但我不知道为什么有时工作正常而没有错误，有时显示错误。。

对不起，我英语不好，请帮帮我。。。我不是程序员，只是懂一些代码而已。。。

非常感谢！！

    if (isset ($_POST[\'post_title\'])) {
        $title =  $_POST[\'post_title\'];
    } else {
        echo \'Please enter a game  title\';
    }
    if (isset ($_POST[\'description\'])) {
        $description = $_POST[\'description\'];
    } else {
        echo \'Please enter the content\';
    }

    $new_post = array(
        \'post_title\'    => $title,
        \'post_content\'  => $description,
        \'post_status\'   => \'publish\',
        \'post_type\' => \'property\',  
        \'tax_input\' => array( \'property_type\' => array($property_type), \'suburbs\' => array($suburbs) ) 
    );


    //save the new post and return its ID
    $pid = wp_insert_post($new_post); 

       //add thumbnail
        if (!function_exists(\'wp_generate_attachment_metadata\')){
                require_once(ABSPATH . "wp-admin" . \'/includes/image.php\');
                require_once(ABSPATH . "wp-admin" . \'/includes/file.php\');
                require_once(ABSPATH . "wp-admin" . \'/includes/media.php\');
            }
             if ($_FILES) {
                foreach ($_FILES as $file => $array) {
                    if ($_FILES[$file][\'error\'] !== UPLOAD_ERR_OK) {
                        return "upload error : " . $_FILES[$file][\'error\'];
                    }
                    $attach_id = media_handle_upload( $file, $pid );
                }   
            }
            if ($attach_id > 0){
                //and if you want to set that image as Post  then use:
                update_post_meta($pid,\'_thumbnail_id\',$attach_id);
            }  //add thumbnail end

    update_post_meta($new_post_id, \'tax_input\', $property_type);
    update_post_meta($new_post_id, \'tax_input\', $suburbs);

    //insert custom fields
    update_post_meta($pid,\'bathrooms\',$_POST[\'bathrooms\']);
    update_post_meta($pid,\'property_lease\',$_POST[\'property_lease\']);
    update_post_meta($pid,\'lost_found_date\',$_POST[\'lost_found_date\']);
    update_post_meta($pid,\'dog_sex\',$_POST[\'dog_sex\']);
    update_post_meta($pid,\'latitude\',$_POST[\'latitude\']);
    update_post_meta($pid,\'longitude\',$_POST[\'longitude\']);


    $url = get_permalink( $pid );
    wp_redirect($url);
    exit();
}

 get_header();