致命错误函数名称必须是字符串

Question

我试图从用户那里得到评论,但浏览器显示致命错误:函数名称必须是字符串.我的代码;

// <form name="form1" method="post" action="posting.php">
// <input name="comment" type="text" id="comment" style="width:254px; height:44px;">
// </form>

<?php

  $comment = $_POST('comment');//this was the line where problem occured

  if(!empty($comment))
  {
    mysql_query("INSERT INTO comment (comment) VALUES('".$comment."')");
  }

  echo "$comment";

?>

Answer 1

使用括号执行数组解引用:[和].所以....

$comment = $_POST['comment'];