回答編集履歴
2
typo
test
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@@ -32,7 +32,7 @@
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test<div id="hoge1" class="hogehoge table-sample fugafuga" data-class="fuga">これもいる</div>test
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-
test<div id="hoge2" class="hogehoge fugafuga" data-class="table-sample
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test<div id="hoge2" class="hogehoge fugafuga" data-class="table-sample">これはいらない</div>test
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test<div>ごみ</div>
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1
sample
test
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@@ -13,3 +13,55 @@
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```
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のように複雑になってくると文字列の評価ではやや無理がでてきます
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# sample
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たとえばこうしてください
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```PHP
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mb_internal_encoding("UTF-8");
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$str=<<<eof
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test<div>ごみ</div>
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test<div class="table-sample">これはいる</div>test
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test<div id="hoge1" class="hogehoge table-sample fugafuga" data-class="fuga">これもいる</div>test
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test<div id="hoge2" class="hogehoge fugafuga" data-class="table-sample ">これはいらない</div>test
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test<div>ごみ</div>
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eof;
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$doc=new DOMDocument();
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$doc->loadHTML("<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />\n".$str);
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/* metaの指定をしないと文字化けすることがある */
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$nodes = $doc->getElementsByTagName("div");
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$a=[];
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$pattern="/(^| )table-sample( |$)/";
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foreach($nodes as $node){
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if(preg_match($pattern,$node->getAttribute("class"))){
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$a[]=$node->nodeValue;
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};
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}
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print_r($a);
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```
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