Online PHP editor | output for pdjNd

@ 2020-03-05T21:28:00Z

<?php

$html = <<<'HTML'
<div class="wrapper">
<h2>This is a header</h2>
<h2>This is one too</h2>
<h4>Here's one</h4>
<div class="ignore">
<h5>I'm one in here too</h5>
</div>
</div>
HTML;

$dom = new DOMDocument;
$dom->loadHTML($html);
$xp = new DOMXPath($dom);

$nodeList = $xp->query('
//*
[contains(";h1;h2;h3;h4;h5;h6;", concat(";", local-name(), ";"))]
[not(ancestor::div[
    contains(concat(" ", normalize-space(@class), " "), " ignore ")
    ])
]');

foreach ($nodeList as $node) {
    echo 'tag name: ', $node->nodeName, PHP_EOL,
         'html content: ', $dom->saveHTML($node), PHP_EOL,
         'text content: ', $node->textContent, PHP_EOL,
         PHP_EOL;
}

Output for 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: tag name: h2 html content: <h2>This is a header</h2> text content: This is a header tag name: h2 html content: <h2>This is one too</h2> text content: This is one too tag name: h4 html content: <h4>Here's one</h4> text content: Here's one
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 tag name: h2 html content: <h2>This is a header</h2> text content: This is a header tag name: h2 html content: <h2>This is one too</h2> text content: This is one too tag name: h4 html content: <h4>Here's one</h4> text content: Here's one

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