Php simplexml和xpath-回显节点?
我通过Php simplexml和xpath-回显节点?,php,simplexml,Php,Simplexml,我通过xpath从simplexml对象中选择一个节点: $x="<root> <person> <name>Julie</name> <age>37</age> <rating>5</rating> </person> <person> <name>Greta</name> <
xpath
从simplexml对象中选择一个节点:
$x="<root>
<person>
<name>Julie</name>
<age>37</age>
<rating>5</rating>
</person>
<person>
<name>Greta</name>
<age>56</age>
<rating>7</rating>
</person>
<person>
<name>Kerstin</name>
<age>38</age>
<rating>10</rating>
</person>
</root>";
$xml = simplexml_load_string($x);
$person = $xml->xpath("//person[name='Greta']");
foreach ($person[0] as $k => $v)
echo "$k => $v<br />";
输出:
对,没什么!为什么?
尝试使用live@将对象属性而不是数组成员用于子节点(数组成员用于访问节点属性)。以下表达式将显示年龄:
echo $person[0]->age;
如果XML看起来如下所示,那么您的代码就可以工作了:
<root>
<person age="37">
<name>Julie</name>
<rating>5</rating>
</person>
...
朱莉
5.
...
echo $person[0]->age;
<root>
<person age="37">
<name>Julie</name>
<rating>5</rating>
</person>
...