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<?php $dom = new DOMDocument(); $dom->loadHtml(' Hello World have a look at <a href="www.laptops.com/apple">Apple Laptops</a>. For more ino go to <a href="www.apple.com">Apple.com</a> or to <a href="www.appleblog.com">Appleblog.com</a> ', LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); foreach ($xpath->query("//a") as $link) { $href = $link->getAttribute('href'); // link has a # in it, so replace with the links title if (strpos($href, 'www.laptops.com') === false) { $link->setAttribute("rel", "nofollow noopener"); } } echo $dom->saveHTML();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<p>Hello World have a look at <a href="www.laptops.com/apple">Apple Laptops</a>. For more ino go to <a href="www.apple.com" rel="nofollow noopener">Apple.com</a> or to <a href="www.appleblog.com" rel="nofollow noopener">Appleblog.com</a> </p>

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