爲什麼我的郵件不發送textarea？

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我試圖做一個在線代碼編輯器，當你做完我想給用戶一個選項，將所有的代碼發送到他自己的電子郵件中，但每當我嘗試網站不發送代碼<textarea></textarea>標籤。這是我的代碼。告訴我你是否需要JavaScript和CSS。爲什麼我的郵件不發送textarea？

<!DOCTYPE HTML> 
<HTML lang = "en"> 
    <head> 
     <meta charset = "UTF-8"> 
     <meta name = "author" content = "Adam S. Oates"> 
     <meta name = "description" content = "This HTML file was created to test new thigns I learn"> 
     <meta name = "title" content = "Online Code Editor"> 
     <title title = "Online Code Editor"> 
      Online Code Editor 
     </title> 
     <link rel = "apple-touch-icon" href = ""> 
     <link rel = "shortcut icon" href = ""> 
     <link rel = "stylesheet" type = "text/css" href = "main.css"> 
     <script type = "text/javascript" src = "main.js"></script> 
    </head> 
    <body> 
     <header> 
      Gigaboy <span id = "code"></span> Editor 
     </header> 

     <form action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method = "post"> 
      <textarea autocomplete = "off" placeholder = "Type HTML Here" id = "HTMLeditor" name = "HTMLeditor"></textarea> 
      <a id="CSS"></a> 
      <textarea autocomplete = "off" placeholder = "Type CSS Here" id = "CSSeditor" name = "CSSeditor"></textarea> 
      <a id="JavaScript"></a> 
      <textarea autocomplete = "off" placeholder = "Type JavaScript Here" id = "JSeditor" name = "JSeditor"></textarea> 
      <span id = "see-result">View Result</span> 
      <select id = "jqueryMode"> 
       <option value = "OFF">Disable JQuery</option> 
       <option value = "ON">Enable JQuery</option> 
      </select> 
      <select id = "bootstrapMode"> 
       <option value = "OFF">Disable Bootstrap</option> 
       <option value = "ON">Enable Bootstrap</option> 
      </select> 
      <select id = "gigaboyMode"> 
       <option value = "OFF">Disable GigaboyStyle.js</option> 
       <option value = "ON">Enable GigaboyStyle.js</option> 
      </select> 
      <span id = "emailCode"> 
        <input type = "email" name = "email" placeholder = "Send Code to You Email"> 
        <input type = "submit" value = "Send"> 
      </span> 
     </form> 
    </body> 
</html> 

<?PHP 

    if (!empty($_POST)) { 
     $headers = "MIME-Version: 1.0\r\n"; 
     $headers .= "Content-type:text/html;charset=UTF-8\r\n"; 
     $msg = str_replace("\n", "<br>", str_replace("\r\n", "<br>", $_POST['HTMLeditor'])); 
     $msg = str_replace("\n", "<br>", str_replace("\r\n", "<br>", $_POST['CSSeditor'])); 
     $msg = str_replace("\n", "<br>", str_replace("\r\n", "<br>", $_POST['JSeditor'])); 

     $HTML = htmlspecialchars($_POST['HTMLeditor']); 
     $CSS = htmlspecialchars($_POST['CSSeditor']); 
     $JS = htmlspecialchars($_POST['JSeditor']); 
     $email = $_POST['email']; 
     $subject = "Code Made at Gigaboy Code Editor Online"; 
     $message = "HTML5 Code: <br><br>" . $HTML . "<br><br><br>CSS Code: <br><br>" . $CSS . "<br><br><br>JavaScript Code: <br><br>" . $JS; 

     mail($email, $subject, $message, $headers); 
    } 
?>

來源

2016-02-29 Adam Oates

您正在混合使用Javascript - 客戶端代碼和PHP - 服務器端代碼。他們只通過AJAX「溝通」。 – Derek

PHP代碼在服務器上生成頁面時運行，在任何html到達客戶端之前爲止。因此該表單尚未呈現給用戶，並且他們無法填寫該表單，因爲直到php完成後它纔會到達它們。 –

我在你的問題中測試了你新編輯的代碼;它沒有任何問題。你還有其他一些'」>'不工作我在其他2個網站上使用它，它工作正常。 –

@DorkFace：巧合。這不符合你的想法。我建議你知道代碼實際上是做什麼的，而不是假設它是正確的，當代碼不符合你的期望時，它會幫助你解決問題（比如這個）。 – David

有是2種方式，你可以得到，如果提交表單時，我總是使用上面的人;另一種方式是這個'如果（$ _ POST [「sendCode」]）{類型代碼在這裏}' –

爲什麼我的郵件不發送textarea？

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