[英]php xml xpath foreach to get values of nodes with same name
伙计们
我有这个xml代码:
<items>
<item type="boardgame" id="84876">
<versions>
<item type="boardgameversion" id="317166">
<link type="boardgameversion" id="84876" value="The Castles of Burgundy" inbound="true"/>
<name type="primary" sortindex="1" value="Chinese Edition"/>
<link type="boardgamepublisher" id="9068" value="Broadway Toys LTD"/>
<link type="language" id="2181" value="Chinese"/>
</item>
<item type="boardgameversion" id="269360">
<link type="boardgameversion" id="84876" value="The Castles of Burgundy" inbound="true"/>
<name type="primary" sortindex="1" value="Hobby World Russian first edition"/>
<link type="boardgamepublisher" id="18852" value="Hobby World"/>
<link type="boardgameartist" id="11886" value="Julien Delval"/>
<link type="boardgameartist" id="4959" value="Harald Lieske"/>
<link type="language" id="2202" value="Russian"/>
</item>
<item type="boardgameversion" id="141049">
<link type="boardgameversion" id="84876" value="The Castles of Burgundy" inbound="true"/>
<name type="primary" sortindex="1" value="Ravensburger English/French Edition"/>
<link type="boardgamepublisher" id="9" value="alea"/>
<link type="boardgamepublisher" id="34" value="Ravensburger Spieleverlag GmbH"/>
<link type="boardgameartist" id="11886" value="Julien Delval"/>
<link type="boardgameartist" id="4959" value="Harald Lieske"/>
<link type="language" id="2184" value="English"/>
<link type="language" id="2187" value="French"/>
</item>
<item type="boardgameversion" id="69303">
<link type="boardgameversion" id="84876" value="The Castles of Burgundy" inbound="true"/>
<name type="primary" sortindex="1" value="Ravensburger Multilingual First Edition"/>
<link type="boardgamepublisher" id="9" value="alea"/>
<link type="boardgamepublisher" id="34" value="Ravensburger Spieleverlag GmbH"/>
<link type="boardgameartist" id="11886" value="Julien Delval"/>
<link type="boardgameartist" id="4959" value="Harald Lieske"/>
<link type="language" id="2184" value="English"/>
<link type="language" id="2187" value="French"/>
<link type="language" id="2188" value="German"/>
</item>
<item type="boardgameversion" id="134173">
<link type="boardgameversion" id="84876" value="The Castles of Burgundy" inbound="true"/>
<name type="primary" sortindex="1" value="Ravensburger Multilingual Second Edition"/>
<link type="boardgamepublisher" id="9" value="alea"/>
<link type="boardgamepublisher" id="34" value="Ravensburger Spieleverlag GmbH"/>
<link type="boardgameartist" id="11886" value="Julien Delval"/>
<link type="boardgameartist" id="4959" value="Harald Lieske"/>
<link type="language" id="2184" value="English"/>
<link type="language" id="2187" value="French"/>
<link type="language" id="2188" value="German"/>
</item>
</versions>
</item>
</items>
我想为每个版本项目获取<link type="language"...>
的值。
我的PHP代码是:
$language = $xmlinfo2->item->versions->item;
$lang = $language->xpath('//link[@type="language"]');
$num = 1;
foreach($language as $lang1) {
echo $num . ". ";
foreach ($lang as $lang2){
$lang3 = $lang2->attributes();
echo $lang3['value'] . ", ";
}
echo "<br>";
$num++;
}
其结果是(它写出所有版本的所有语言):
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
如何更改我的PHP代码才能获得此结果?
中文
俄语
英文,法文
英文,法文,德文
英文,法文,德文
谢谢您的帮助!
您在这里遇到了几个问题:
1)在xpath选择器的开头使用//
表示从文档中的任何位置获取这些元素。 因此,每次循环时,您最终都会获得所有项目中所有语言的列表。
2)您的xpath()
调用需要位于循环内,否则它将在您正在查看的当前<item>
上下文中不起作用。
因此,您可以使用类似:
foreach ($language as $lang1) {
$lang = $lang1->xpath('link[@type="language"]');
echo $num . ". ";
foreach ($lang as $lang2){
$lang3 = $lang2->attributes();
echo $lang3['value'] . ", ";
}
echo "<br>";
$num++;
}
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