Online PHP editor | output for AgIjB

@ 2019-06-23T14:34:15Z

<?php

$content = '<figure class="image image-style-align-left"><img src="https://placekitten.com/g/200/300"></figure><p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</p>'; 

      $dom = new DOMDocument();
        libxml_use_internal_errors(true);

        // this needs to be encoded otherwise special characters get messed up.
        $domPart = mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8");
        $dom->loadHTML($domPart, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
        
        $domFigures = $dom->getElementsByTagName('figure');

        foreach ($domFigures as $domFigure) {

            $img = $domFigure->getElementsByTagName('img')[0];

            if ($img) {
                    $img->setAttribute('src', "https://placekitten.com/g/400/500");
            }

        }

$result = $dom->saveHTML();

print_r($result);

Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /in/AgIjB on line 9 <figure class="image image-style-align-left"><img src="https://placekitten.com/g/400/500"><p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</p></figure>
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.1.25 - 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: <figure class="image image-style-align-left"><img src="https://placekitten.com/g/400/500"><p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</p></figure>

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