帮助解决 T_ELSE 解析错误：语法错误 [关闭]

Question

<?php

switch($_GET["action"])
{
case "add_item":
{
AddItem($_GET["ids"], $_GET["qty"]);
ShowCart();
break;
}
case "update_item":
{
UpdateItem($_GET["ids"], $_GET["qty"]);
ShowCart();
break;
}
case "remove_item":
{
RemoveItem($_GET["ids"], $_GET["id"]);
ShowCart();
break;
}
default:
{
ShowCart();
}
}
function AddItem($itemId, $qty){


$result = mysql_query("SELECT COUNT(*) FROM cart WHERE cookieId = '" . GetCartId() . "' AND id = $itemId");

$row = mysql_fetch_row($result);
$numRows = $row[0];

if($numRows == 0)
{
// This item doesn't exist in the users cart,
// we will add it with an insert query

mysql_query("INSERT INTO cart(cookieId, id, qty) values('" . GetCartId() . "', $itemId, $qty)");
//printf ("Inserted records: %d\n", mysql_affected_rows());

}
else
{
// This item already exists in the users cart,
// we will update it instead
 mysql_query("UPDATE cart SET qty = $qty WHERE cookieId = '" . GetCartId() . "' AND id = $itemId");

}

}

function UpdateItem($itemId, $qty)
{

mysql_query("UPDATE cart SET qty = $qty WHERE cookieId = '" . GetCartId() . "' AND id = $itemId");
//printf ("Updated records: %d\n", mysql_affected_rows());

}

function RemoveItem($itemId) 
{

mysql_query("DELETE FROM cart WHERE cookieId = '" . GetCartId() . "' AND id = $itemId");
}
echo $ids;
?>

<?php 
function ShowCart()

{

$result = mysql_query("SELECT
              cart.id         cart_id,
              cart.id         cart_id,
              cart.cartId     cartId,
              cart.cookieId   cookie_Id,
              cart.qty        qt_y,                     
              cdkb.id         cdkb_id,
              cdkb.name       name,
              cdkb.image      image,
              cdkb.price      price,
              dkb.id          dkb_id,
              dkb.name        name1, 
              dkb.image       image1,
              dkb.price       price2,
              dbl.product_id  product_id,
          dbl.price       price3,
          dbl.variety     variety,
          dbl.description description                  
    FROM
    cart


    LEFT OUTER JOIN cdkb
       ON cart.id = cdkb.id    

    LEFT OUTER JOIN dkb
       ON cart.id = dkb.id

    LEFT OUTER JOIN dbl
       ON dbl.id = dkb.id 


WHERE
    cart.cookieId ='" . GetCartId() . "' ' ORDER BY cdkb.name AND dkb.name ASC");?>

<div id="cart">
<div id="group">
<div id="quantity">Qty</div>
<div id="cartpic">Pic</div>
<div id="product">Product</div>
<div id="cartprice">Price</div>
<div id="remove">Remove</div>
</div>
<?php

$totalCost=0;
foreach($result as $row)
{  
if($row['ckb_id']){
// Increment the total cost of all items
$totalCost += ($row["qt_y"] * $row["price"]);

?>

<div id="cart1">
<select name="<?php echo $row["cdkb_id"];?>" onChange="UpdateQty(this)">
<?php  print($row["cdkb_id"]);?>
<?php

for($i = 1; $i <= 30; $i++)
{
echo "<option ";
if($row["qt_y"] == $i)
{
echo " SELECTED ";
}
echo ">" . $i . "</option>";
}
?>
</select>
</div>
<div id="cart2">
<img src="images/logopic.gif"<?php /*?><?php echo $row["image"]; ?><?php */?> alt="we" width="60" height="50" />
</div>
<div id="cart3"><p><?php echo $row["name"]; ?></p></div>



<div id="cart4"><p>
$<?php echo number_format($row["price"], 2, ".", ","); ?></p></div>

<div id="cart5">
<p><?php
printf('<a href="cart.php?action=remove_item&id=%d&ids=%d&register=%s">Remove</a>', $_GET['id'], $row['cdkb_id'], $_GET['register']);
?></p></div>

<hr size="1" color="red" >

<script language="JavaScript">

function UpdateQty(item)
{
itemId = item.name;
newQty = item.options[item.selectedIndex].text;

document.location.href = 'cart.php?action=update_item&id='+itemId+'&qty='+newQty;
}

</script>






<?php
}
?>
<?php
else {
?>
<?php // Increment the total cost of all items
$totalCost += ($row["qt_y"] * $row["price2"]);

?>

<div id="cart1">
<select name="<?php echo $row["dkb_id"];?>" onChange="UpdateQty(this)">
<?php  print($row["dkb_id"]);?>
<?php

for($i = 1; $i <= 30; $i++)
{
echo "<option ";
if($row["qt_y"] == $i)
{
echo " SELECTED ";
}
echo ">" . $i . "</option>";
}
?>
</select>
</div>
<div id="cart2">
<img src="images/logopic.gif"<?php /*?><?php echo $row["image2"]; ?><?php */?> alt="we" width="60" height="50" />
</div>
<div id="cart3"><p><?php echo $row["name2"]; ?></p></div>

<?php foreach ($row['dkb_id'] as $variety) {?>
<div id="cart4">
   <?php echo"<p>".$variety['variety']. " ~ " . $variety['price3'] . "</p>" ?>
<p>$<?php echo number_format($row["price3"], 2, ".", ","); ?></p></div>
<?php } ?>
<div id="cart5">
<p><?php
printf('<a href="cart.php?action=remove_item&id=%d&ids=%d&register=%s">Remove</a>', $_GET['id'], $row['dkb_id'], $_GET['register']);
?></p></div>

<hr size="1" color="red" >

<script language="JavaScript">

function UpdateQty(item)
{
itemId = item.name;
newQty = item.options[item.selectedIndex].text;

document.location.href = 'cart.php?action=update_item&id='+itemId+'&qty='+newQty;
}

</script>




<font face="verdana" size="2" color="black" style="clear:right;">
<b>Total: $<?php echo number_format($totalCost, 2, ".", ","); ?></b></font></td>


<?php } ?>
<?php } ?>
<div id="shopping">
<a href=<?php echo "exa2.php?id=".intval($id).  '&register='. $_GET['register']. ""?>> Keep Shopping</a></div>
<?php /*?><tr>
<td colspan="4">
<font face="verdana" size="1" color="black">
<a href=<?php echo "cart.php?id=".intval($id).  '&register='. $_GET['register']. ""?>>Your Shopping Cart</a></font></td>
</tr><?php */?>

</tr>
</table>

</table>

你好对于那些评论过的人 Help with a unexpected T_ELSE 这是我无法在其他帐户中发布的后续帖子，因为可访问性问题。

在查询下方的上述代码中，将有一个 if 和 else 语句序列导致 parse errror: syntax error，因为它是 Parse error: syntax error, unexpected T_ELSE。查看 if 和 else 语句的设计以及可能导致此错误的原因。

if {
  for (blabla) {
    if {

    }// end of if statement inside the for loop

  } //end of for loop.

} end of if statement 
else{ // line 379


}// end of else statement

正如我在上一篇文章中所说，我认为导致上述 T_ELSE 语法错误的原因是 for 循环中的 if 语句。 PHP 认为 else 语句与 for 循环内的 if 语句一起工作，而我想要的是 for 循环外的 if 语句与 else 语句一起工作。错误如下所示：

PS 可能导致解析错误的所有内容都在查询下方。谢谢。

if 和 else 之间的 INTENDED DISPLAY 看起来像

foreach($result as $row)
    {  
    if (table cdkb) { 
      [1]qyt         image      name          price        remove
         1            ---       marina        $18.90        remove?    
         }end of if statement
    Else table dkb {
       1]qyt            Image         Name             Price                  Remove
         1               ---         marina         Small Tray  $18.90        remove? 
                                                    Medium Tray $30.24
                                                    Large Tray  $35.90
                      } // end of else statement

                      }//end of while loop

这是 INTENDED 显示背后的数组结构！

<?php
$result = array(
        '0' => array('cdkb_id' => 'id 1',
            'image' => 'img 1',
            'name' => 'name 1',
            'price' => 'price 1'
            ),
        '1' => array('image1' => 'img 2',
            'name1' => 'name 2',
            'dkb_id' => array('0' => array('variety' => 'variety 2-1',
                         'price3' => 'price 2-1'
                        ),
                    '1' => array('variety' => 'variety 2-2',
                         'price3' => 'price 2-2'
                        ),
                    '2' => array('variety' => 'variety 2-3',
                         'price3' => 'price 2-3'
                        )
                    )
            ),
        '2' => array('cdkb_id' => 'id 3',
            'image' => 'img 3',
            'name' => 'name 3',
            'price' => 'price 3'
            ),
        '3' => array('image1' => 'img 4',
            'name1' => 'name 4',
            'dkb_id' => array('0' => array('variety' => 'variety 4-1',
                         'price3' => 'price 4-1'
                        ),
                    '1' => array('variety' => 'variety 4-2',
                         'price3' => 'price 4-2'
                        ),
                    '2' => array('variety' => 'variety 4-3',
                         'price3' => 'price 4-3'
                        )

唯一的方法是 T_ELSE，因为在 for 循环内的 if 和 else 语句之间有一个 if....

谢谢。

Answer 1

注意这一点：

<?php 
} 
?> 
<?php 
else { 
?> 

您是否尝试过不将 if 和 else 的结尾分成两个不同的代码块？我强烈怀疑解析器会保持这种上下文：第一个块用于终止 if 块，并且由于它不读取 else，它假设你已经完成了它。因此，您在下一个块中拥有的 else 与您的 if 断开连接。

else 会以某种方式连接到最里面的 if 的想法是完全错误的。如果可能的话，语法将被打破。

Answer 2

您的代码肯定需要进行重大清理。压痕不是您只在牙医办公室听到的事情。它用于为您的代码提供视觉结构，并使您更容易一目了然地看到代码属于一系列嵌套括号的位置。你基本上有 NO 任何缩进，奇怪的是，mysql 查询除外，它的格式很漂亮。

由于 PHP 会吐出“意外的其他”，这意味着你在某处有太多或太少的括号，或者有这样的东西：

if ($condition) {
} else {
} else {
}

清理你的代码，使用正确的格式，我建议使用编辑器，比如 VI，它可以帮助你找到丢失/多余的括号（VI 中的 '%' 命令，在匹配的括号之间跳转）。

Answer 3

@Mark Byers 下面有一个更简单的代码版本，它在 else 之前有三个 if 语句，两个在 for each 循环内，另一个在 for 循环内我希望 foreach 循环中的一个与else 语句。

<?php
$totalCost=0;
foreach($result as $row)
{  
if($row['ckb_id']){ if statement that will match the else statement..
// Increment the total cost of all items
$totalCost += ($row["qt_y"] * $row["price"]);

?>

<div id="cart1">
<select name="<?php echo $row["cdkb_id"];?>" onChange="UpdateQty(this)">
<?php  print($row["cdkb_id"]);?>
<?php

for($i = 1; $i <= 30; $i++)
{
echo "<option ";
if($row["qt_y"] == $i) // if statement inside the for loop
{
echo " SELECTED ";
}
echo ">" . $i . "</option>";
}
?>
</select>
</div>
<div id="cart2">
<img src="images/logopic.gif"<?php /*?><?php echo $row["image"]; ?><?php */?> alt="we" width="60" height="50" />
</div>
<div id="cart3"><p><?php echo $row["name"]; ?></p></div>



<div id="cart4"><p>
$<?php echo number_format($row["price"], 2, ".", ","); ?></p></div>

<div id="cart5">
<p><?php
printf('<a href="cart.php?action=remove_item&id=%d&ids=%d&register=%s">Remove</a>', $_GET['id'], $row['cdkb_id'], $_GET['register']);
?></p></div>

<hr size="1" color="red" >

<script language="JavaScript">

function UpdateQty(item)
{
itemId = item.name;
newQty = item.options[item.selectedIndex].text;

document.location.href = 'cart.php?action=update_item&id='+itemId+'&qty='+newQty;
}

</script>






<?php
} // end of if statement
?>
<?php
else { // beginning of else statement
?>
<?php // Increment the total cost of all items
$totalCost += ($row["qt_y"] * $row["price2"]);

?>

<div id="cart1">
<select name="<?php echo $row["dkb_id"];?>" onChange="UpdateQty(this)">
<?php  print($row["dkb_id"]);?>
<?php

for($i = 1; $i <= 30; $i++)
{
echo "<option ";
if($row["qt_y"] == $i)
{
echo " SELECTED ";
}
echo ">" . $i . "</option>";
}
?>
</select>
</div>
<div id="cart2">
<img src="images/logopic.gif"<?php /*?><?php echo $row["image2"]; ?><?php */?> alt="we" width="60" height="50" />
</div>
<div id="cart3"><p><?php echo $row["name2"]; ?></p></div>

<?php foreach ($row['dkb_id'] as $variety) {?>
<div id="cart4">
   <?php echo"<p>".$variety['variety']. " ~ " . $variety['price3'] . "</p>" ?>
<p>$<?php echo number_format($row["price3"], 2, ".", ","); ?></p></div>
<?php } ?>
<div id="cart5">
<p><?php
printf('<a href="cart.php?action=remove_item&id=%d&ids=%d&register=%s">Remove</a>', $_GET['id'], $row['dkb_id'], $_GET['register']);
?></p></div>

<hr size="1" color="red" >

<script language="JavaScript">

function UpdateQty(item)
{
itemId = item.name;
newQty = item.options[item.selectedIndex].text;

document.location.href = 'cart.php?action=update_item&id='+itemId+'&qty='+newQty;
}

</script>




<font face="verdana" size="2" color="black" style="clear:right;">
<b>Total: $<?php echo number_format($totalCost, 2, ".", ","); ?></b></font></td>


<?php } ?>
<?php } ?>
<div id="shopping">
<a href=<?php echo "exa2.php?id=".intval($id).  '&register='. $_GET['register']. ""?>> Keep Shopping</a></div>
<?php /*?><tr>
<td colspan="4">
<font face="verdana" size="1" color="black">
<a href=<?php echo "cart.php?id=".intval($id).  '&register='. $_GET['register']. ""?>>Your Shopping Cart</a></font></td>
</tr><?php */?>

</tr>
</table>

</table>