小编Ale*_*y P的帖子

我正在学习 PHP。一个初学者。我遵循的教程中的代码如下。

    <?php
        if (isset($_POST['submit']) && (!empty($_POST['submit']))) {
            $from = 'Alexey Pazukhin (alexey.pazukhin@mail.ru)';
            $subject = $_POST['subject'];
            $text = $_POST['elvismail'];
            $output_form = FALSE;
              if (empty($subject) && empty($text)){
                echo 'Subject and text fields are empty. <br/>';
                $output_form = TRUE;
              }
              if (empty($subject) && (!empty($text))) {
                echo 'Subject field is empty. <br/>';
                $output_form = TRUE;
              }
              if ((!empty($subject)) && empty($text)) {
                echo 'Text field is empty. <br/>';
                $output_form = true;
              }
              if((!empty($subject)) && (!empty($text))){

                 $dbc = mysqli_connect('localhost', 'root', 'root', 'elvis_store') 
        or die ('Connection …