从表单中获取值并保存在数据库中，但插入空格而不是表单值

<?php /* Template Name: Dummy Practice Page*/?>
<div id="main-content" class="main-content">
    <div class="main-content-inner">
            <form method="post">
            <p><div>
                <input name="nametxt" id="nametxt" type="text" style="height:30px; width: 350px; " maxlength="5" placeholder="Name" required><br>
            </p></div>
            <p><div>    
                <input name="designationtxt" id="designationtxt" type="text" style="height:30px; width: 350px; " maxlength="50" placeholder="Designation" required><br>
            </p></div>
            <p><div>
                <input name="designationtxt" id="descriptiontxt" type="text" style="height:30px; width: 350px; " maxlength="1000" placeholder="Description" required><br>
            </p></div>

                <input id="submitbtn" type=\'submit\' style="height:40px; width: 130px; padding:10px; color:dodgerblue; background-color:black; border-radius:20px;   " name=\'Submit\' value=\'Add Member\' /><br><br>

            </form>
    </div>
</div>
<?php
     global $wpdb;
    $table = $wpdb->prefix.\'tboxteam\';
     $data = array(\'name\' =>  isset($_POST[\'nametxt\']), \'designation\' =>  isset($_POST[\'designationtxt\']), \'description\' =>  isset($_POST[\'descriptiontxt\']));
     $format = array(\'%s\',\'%s\',\'%s\');
     $wpdb->insert($table,$data,$format);
?>

<?php /* Template Name: Dummy Practice Page*/?> <div id="main-content" class="main-content"> <div class="main-content-inner"> <form method="post"> <p><div> <input name="nametxt" id="nametxt" type="text" style="height:30px; width: 350px; " maxlength="5" placeholder="Name" required><br> </p></div> <p><div> <input name="designationtxt" id="designationtxt" type="text" style="height:30px; width: 350px; " maxlength="50" placeholder="Designation" required><br> </p></div> <p><div> <input name="descriptiontxt" id="descriptiontxt" type="text" style="height:30px; width: 350px; " maxlength="1000" placeholder="Description" required><br> </p></div> <input id="submitbtn" type=\'submit\' style="height:40px; width: 130px; padding:10px; color:dodgerblue; background-color:black; border-radius:20px; " name=\'Submit\' value=\'Add Member\' /><br><br> </form> </div> </div> <?php // Checking if form submitted if(isset($_POST[\'Submit\'])){ // Fetching values if they are not empty. if( isset($_POST[\'nametxt\']) || isset($_POST[\'designationtxt\']) ||isset($_POST[\'descriptiontxt\']) ){ global $wpdb; $data = array(\'name\' => $_POST[\'nametxt\'], \'designation\' => $_POST[\'designationtxt\'], \'description\' => $_POST[\'descriptiontxt\'] ); $table = $wpdb->prefix.\'tboxteam\'; $format = array(\'%s\',\'%s\',\'%s\'); $wpdb->insert($table,$data,$format); } } ?>

Wordpress Database Cleanup

重建WordPress数据库和更改网站的目录结构有多困难？我继承了两个网站的维护工作，我很确定目录结构设置不正确，数据库一团糟（两个网站有6个数据库？）。我是WordPress的新手，我怀疑现在使用现有网站重建网站会更容易。丢失数据没什么大不了的，网站也没什么特别的。该网站运行正常，但维护起来越来越困难。这是一个合理的计划吗？

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