[英]php xml xpath foreach to get values of nodes with same name
伙計們
我有這個xml代碼:
<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>
我想為每個版本項目獲取<link type="language"...>
的值。
我的PHP代碼是:
$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>";
$num++;
}
其結果是(它寫出所有版本的所有語言):
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
中文,俄文,英文,法文,英文,法文,德文,英文,法文,德文,
如何更改我的PHP代碼才能獲得此結果?
中文
俄語
英文,法文
英文,法文,德文
英文,法文,德文
謝謝您的幫助!
您在這里遇到了幾個問題:
1)在xpath選擇器的開頭使用//
表示從文檔中的任何位置獲取這些元素。 因此,每次循環時,您最終都會獲得所有項目中所有語言的列表。
2)您的xpath()
調用需要位於循環內,否則它將在您正在查看的當前<item>
上下文中不起作用。
因此,您可以使用類似:
foreach ($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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