StackOverflow2013

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plurals

PO
primarykey
Id
3820783
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
1
CommunityOwnedDate
CreationDate
2010-09-29T10:35:53.757
FavoriteCount
0
LastActivityDate
2012-10-18T06:46:07.430
LastEditDate
2017-05-23T12:10:35.467
LastEditorUserId
-1
OwnerUserId
208809
ParentId
3820666
PostTypeId
2
Score
197
ViewCount
0
LastEditorDisplayName
text
Body
<a href="https://stackoverflow.com/questions/4231382/regular-expression-pattern-not-matching-anywhere-in-string/4234491#4234491">Reliable Regex for HTML are difficult</a>. Here is how to do it with <a href="http://de.php.net/manual/en/book.dom.php" rel="noreferrer">DOM</a>: <pre><code>$dom = new DOMDocument; $dom->loadHTML($html); foreach ($dom->getElementsByTagName('a') as $node) { echo $dom->saveHtml($node), PHP_EOL; } </code></pre> The above would find and output the <a href="https://stackoverflow.com/questions/5404941/php-domdocument-outerhtml-for-element/5404962#5404962">"outerHTML"</a> of all <code>A</code> elements in the <code>$html</code> string. To get all the text values of the node, you do <pre><code>echo $node->nodeValue; </code></pre> To check if the <code>href</code> attribute exists you can do <pre><code>echo $node->hasAttribute( 'href' ); </code></pre> To get the <code>href</code> attribute you'd do <pre><code>echo $node->getAttribute( 'href' ); </code></pre> To change the <code>href</code> attribute you'd do <pre><code>$node->setAttribute('href', 'something else'); </code></pre> To remove the <code>href</code> attribute you'd do <pre><code>$node->removeAttribute('href'); </code></pre> You can also query for the <code>href</code> attribute directly with <a href="http://schlitt.info/opensource/blog/0704_xpath.html" rel="noreferrer">XPath</a> <pre><code>$dom = new DOMDocument; $dom->loadHTML($html); $xpath = new DOMXPath($dom); $nodes = $xpath->query('//a/@href'); foreach($nodes as $href) { echo $href->nodeValue; // echo current attribute value $href->nodeValue = 'new value'; // set new attribute value $href->parentNode->removeAttribute('href'); // remove attribute } </code></pre> Also see: <ul> <li><a href="https://stackoverflow.com/questions/3577641/best-methods-to-parse-html/3577662#3577662">Best methods to parse HTML</a></li> <li><a href="https://stackoverflow.com/questions/4979836/noob-question-about-domdocument-in-php/4983721#4983721">DOMDocument in php</a> </li> </ul> On a sidenote: I am sure this is a duplicate and you can <a href="https://stackoverflow.com/search?q=find+all+href+attributes+dom+php">find the answer somewhere in here</a>
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Title
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1. This table or related slice is empty.
PostParentId
1. POGrabbing the href attribute of an A element
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 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USCommunity
UserOwnerUserId
1. USGordon
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PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. POGrabbing the href attribute of an A element
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1. This table or related slice is empty.
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1. VO
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2. VO
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3. VO
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CommentsPostId
1. COReliable regex for parsing HTML are inherently impossible even since HTML is not a regular language.
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 USAsciiom

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