一个关于php构建测试表单的有关问题

求助一个关于php构建测试表单的问题

PHP code

<?php$con=mysql_connect("localhost","root","");mysql_select_db("test");mysql_query("set names gb2312");?>

这是初始的服务器config.

PHP code

<?phperror_reporting(E_ALL & ~ E_NOTICE);echo "<center>";if (!$_POST["test_name"]){    echo "<h2>create test</h2>";    echo "<table border=1>";    echo "<form method=post action=".$_SERVER["PHP_SELF"].">";    echo "<tr>";    echo "<td>test question</td>";    echo "<td><input type=text name=test_name></td>";    echo "</tr>";    echo "<tr>";    echo "<td colspan=2><center><input type=submit value=next></center></td>";    echo "</tr>";    echo "</form>";    echo "</table>";}else {    include 'config.php';    $content=$_POST["test_name"];    $sql="insert into question('content') values('$content')";    if (mysql_query($sql))    {        echo "create test_content successfull!!!";        echo "<p>";        echo "click<a href=add_question.php>here</a>to add question";    }    else "error!!!".mysql_error();    mysql_close();}echo "<center>";?>

现在问题是这样的,创建不了表单,求大神帮我指点指点...为什么会出现这样的状况..谢谢了

[解决办法]
$sql="insert into question(`content`) values('$content')"; //content的注释符号写错了

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