检索从字符串数据我有一个字段下面的输出中的Joomla（$用品 - > attribs）：试图在数据库

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如何检索ctm_boxer每个值 - >名称中清单？

我试过了下面，但无济于事！

<?php $boxers = $item->attribs->get('ctm_boxer', array()); ?> 
<?php foreach($boxers['name'] as $index => $boxer_type): ?> 
<?php echo $boxer_type; ?>

但它返回“致命错误：调用一个成员函数的get（）一个非对象”

谁能帮助，为什么好吗？

谢谢，马特

来源

2015-02-09 Matt

'$ item-> attribs'应该返回某种类型的对象。你确定你已经在第一个地方设置了一个对象的'$ item'变量吗？ – Tek 2015-02-09 20:37:21

它在正确的表格中输出关联的字段，所以我假设是这样，是的... $ item被设置为特定的Joomla文章...感谢 – Matt 2015-02-09 21:06:16

var_dump（$ item-> attribs）;'output ？ – Tek 2015-02-09 22:03:07

正如你可以看到从里面var_dump是$item->attrib显示为string(2494)一个string。不是对象/ PHP类。这就是你得到Fatal Error: Call to a member function on a non-object的原因。因为再次，$item->attrib是正常的string。

->解除引用操作符只能用于PHP对象/类。

DEMO

来源

2015-02-10 03:07:56 Tek

这是伟大的 - 感谢 - 完美的作品......我扩大了一点用下面的一些字符串的其他部分带来：

<?php 
$BoxerCollectionObject = json_decode($item->attribs); 
$boxerArray = $BoxerCollectionObject->ctm_boxer->name; 
$boxerRating = $BoxerCollectionObject->ctm_boxer->rating; 
?> 
    <table class="table"> 
    <tbody> 
     <?php $i = 1;?> 
     <?php $ic = 1;?> 
     <?php foreach ($boxerArray as $index => $boxer) : ?> 
     <tr itemprop="boxer" class="boxer<?php echo $ic++; ?>"> 
     <td><strong><?php echo $i++; ?></strong></td> 
     <td><span><a href="/index.php?searchword=<?php echo $boxer; ?>&searchphrase=all&Itemid=215&option=com_search"><?php echo $boxer; ?></a></span></td> 
     <td itemprop="rating"><?php if ($boxerRating[$index] <= 0): ?> 
      <i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i> 
      <?php endif;?> 
      <?php if ($boxerRating[$index] == 1): ?> 
      <i class="fa fa-star"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i> 
      <?php endif;?> 
      <?php if ($boxerRating[$index] == 2): ?> 
      <i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i> 
      <?php endif;?> 
      <?php if ($boxerRating[$index] == 3): ?> 
      <i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star-o"></i><i class="fa fa-star-o"></i> 
      <?php endif;?> 
      <?php if ($boxerRating[$index] == 4): ?> 
      <i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star-o"></i> 
      <?php endif;?> 
      <?php if ($boxerRating[$index] >= 5): ?> 
      <i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i><i class="fa fa-star"></i> 
      <?php endif;?></td> 
     </tr> 
     <?php endforeach; ?> 
    </tbody> 
    </table> 
</div>

再次感谢，马特。

来源

2015-02-10 14:49:04 Matt

试图在数据库

回答

DEMO

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