Online PHP editor | output for 7pfS5

@ 2016-11-05T18:11:21Z

<?php
$str='<root>
    <book id="1">
        <title>...</title>
        <author>...</author>
    </book>
    <book id="2">
        <title>...</title>
        <author>...</author>
    </book>
    <book id="3">
        <title>...</title>
        <author>...</author>
    </book>
</root>';

$dom = new DOMDocument;
$dom->loadXML($str);
$book = $dom->getElementById("1");
var_dump($book);
//$html = $dom->saveXML($book);
//print_r($html);





?>

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: NULL
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 NULL

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