Online PHP editor | refs for HgdAW

<?php $html = <<<HTML 税务调查。 [caption id="attachment_111" align="aligncenter" width="100"]<img src="https://royaldesign.com/image/11/gubi-moon-dining-table-round-120-h73-3?w=168&quality=80" alt="拜登与儿子。" width="100" height="100" class="size-full wp-image" /> 拜登与儿子。[/caption] 他在声明中说：“我会非常认真地调查，往来。” <img src="https://royaldesign.com/image/11/gubi-moon-dining-table-round-120-h73-3?w=168&quality=80" alt="拜登总统" width="100" height="100" class="aligncenter size-full wp-image" /> <div style="position:relative; overflow:hidden"> <iframe src="https://cdn.google.com/players/VM.html" width="100" height="100" frameborder="0" scrolling="auto" title="大促销拜登的美国" style="position:absolute;"></iframe> </div> <iframe style="border: none; overflow: hidden;" src="https://www.facebook.com/plugins/video.php?height=100&href=https%3A%2F%2Fwww.facebook.com;width=100&t=0" width="100" height="100" frameborder="0" allowfullscreen="allowfullscreen"></iframe> <iframe src="https://www.facebook.com/plugins/video.php?height=400&href=https%3A%2F%2&show_text=false&width=100&t=0" width="100" height="100" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowfullscreen="true" allow="autoplay; clipboard-write; encrypted-media; picture-in-picture; web-share" allowFullScreen="true"></iframe> <b>更多热点</b> <p>halo拜登也指美国经济不会衰退</p> <figure id="attachment_279" style="width: 100px" class="wp-caption alignnone"><img class="size-full wp-imag" src="https://royaldesign.com/image/11/gubi-moon-dining-table-round-120-h73-3?w=168&quality=80" alt="修理厂商总会拜登城" width="100" height="100" /><figcaption class="wp-caption-text">修理厂商总会拜登城</figcaption></figure> <a href="http://google.com">go to google</a> <span style="color: #ff6600;"><strong>另外，拜登声明中说</strong></span> HTML; $dom = new DOMDocument; libxml_use_internal_errors(true); $dom->preserveWhiteSpace = true; $dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NODEFDTD | LIBXML_HTML_NOIMPLIED ); $xpath = new DOMXPath($dom); $tags = ["拜登", "认真"]; $orContains = '(' . implode( ' or ', array_map( fn($str) => "contains(text(), '$str')", $tags ) ) . ')'; $blacklisted = implode( ' or ', array_map( fn($tag) => "descendant-or-self::$tag", ['a', 'img', 'iframe', 'figure', 'figcaption'] ) ); $path = "//*[not($blacklisted) and $orContains]"; //echo $path . "\n\n\n---\n"; foreach ($xpath->query($path) as $node) { $newText = preg_replace( '~\[caption .+?\[/caption](*SKIP)(*FAIL)|' . implode('|', $tags) . '~us', '<span class="article-tag"><a class="mytag" href="http://outside.com">$0</a></span>', $dom->saveXML($node), -1, $count ); if ($count) { $replacement = $dom->createDocumentFragment(); $replacement->appendXML($newText); $node->parentNode->replaceChild($replacement, $node); } } foreach ($xpath->query("/p/text()") as $node) { var_export($dom->saveXML($node)); echo "\n====\n"; /*$newText = preg_replace( '~(?:\[caption .+?\[/caption]|<span class="article-tag"><a class="mytag" href="http://outside.com">.*?</a></span>)(*SKIP)(*FAIL)|' . implode('|', $tags) . '~us', '<span class="article-tag"><a class="mytag" href="http://outside.com">$0</a></span>', $dom->saveXML($node), -1, $count ); if ($count) { $replacement = $dom->createDocumentFragment(); $replacement->appendXML($newText); $node->parentNode->replaceChild($replacement, $node); } */ } echo html_entity_decode(mb_substr($dom->saveXML($dom->documentElement), 3, -4));