PHP语法错误“意外$end”

我有3个文件
1)show_createtable.html
2)do_showfielddef.PHP
3)do_showtble.PHP

1)第一个文件用于为数据库创建新表,它是一个具有2个输入的表,表名和字段数.这个工作很精细！

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<Meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>

<body>
<h1>Step 1: Name and Number</h1>
<form method="post" action="do_showfielddef.PHP" />
<p><strong>Table Name:</strong><br />
<input type="text" name="table_name" size="30" /></p>
<p><strong>Number of fields:</strong><br />
<input type="text" name="num_fields" size="30" /></p>
<p><input type="submit" name="submit" value="go to step2" /></p>
</form>


</body>
</html>

2)此脚本验证字段并创建另一个表单以输入所有表格行.
这也很精致！

<?PHP
//validate important input
if ((!$_POST[table_name]) || (!$_POST[num_fields])) {
    header( "location: show_createtable.html");
           exit;
}

//begin creating form for display
$form_block = "
<form action=\"do_createtable.PHP\" method=\"post\">
<input name=\"table_name\" type=\"hidden\" value=\"$_POST[table_name]\">
<table cellspacing=\"5\" cellpadding=\"5\">
  <tr>
    <th>Field Name</th><th>Field Type</th><th>Table Length</th>
  </tr>";

//count from 0 until you reach the number fo fields
for ($i = 0; $i <$_POST[num_fields]; $i++) {
  $form_block .="
  <tr>
  <td align=center><input type=\"texr\" name=\"field name[]\"
  size=\"30\"></td>
  <td align=center>
    <select name=\"field_type[]\">
        <option value=\"char\">char</option>
        <option value=\"date\">date</option>
        <option value=\"float\">float</option>
        <option value=\"int\">int</option>
        <option value=\"text\">text</option>
        <option value=\"varchar\">varchar</option>
        </select>
  </td>
  <td align=center><input type=\"text\" name=\"field_length[]\" size=\"5\">
  </td>
</tr>";
}

//finish up the form 
$form_block .= "
<tr>
    <td align=center colspan=3><input type =\"submit\" value=\"create table\">
    </td>
</tr>
</table>
</form>";

?>

<html>
<head>
<Meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Create a database table: Step 2</title>
</head>

<body>
<h1>defnie fields for <? echo "$_POST[table_name]"; ?> 
</h1>
<? echo "$form_block"; ?>

</body>
</html>

问题在这里
3)此表单创建表并将它们输入数据库.
我在第37行收到错误“解析错误：语法错误,第37行/home/admin/domains/domaina.com.au/public_html/do_createtable.PHP意外$结束”

<?
$db_name = "testDB";

$connection = @MysqL_connect("localhost","admin_user","pass")
    or die(MysqL_error());

$db = @MysqL_select_db($db_name,$connection)
    or die(MysqL_error());

$sql = "CREATE TABLE $_POST[table_name](";
    for ($i = 0; $i < count($_POST[field_name]); $i++) {
        $sql .= $_POST[field_name][$i]." ".$_POST[field_type][$i];
    if ($_POST[field_length][$i] !="") {
        $sql .=" (".$_POST[field_length][$i]."),";
        } else {
            $sql .=",";
        }
$sql = substr($sql,-1);
$sql .= ")";

$result = MysqL_query($sql,$connection) or die(MysqL_error());
if ($result) {
    $msg = "<p>" .$_POST[table_name]." has been created!</p>";

?>

<html>
<head>
<Meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Create A Database Table: Step 3</title>
</head>

<body>
<h1>Adding table to <? echo "$db_name"; ?>...</h1>
<? echo "$msg"; ?>
</body>
</html>

$result = MysqL_query($sql,$connection) or die(MysqL_error());
if ($result) {
    $msg = "<p>" .$_POST[table_name]." has been created!</p>";
}

你在最后一个if语句中错过了一个},而你的for循环也缺少了}

for ($i = 0; $i < count($_POST[field_name]); $i++) {
    $sql .= $_POST[field_name][$i]." ".$_POST[field_type][$i];
    if ($_POST[field_length][$i] !="") {
      $sql .=" (".$_POST[field_length][$i]."),";
    } else {
        $sql .=",";
    }
}

PHP语法错误“意外$end”

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