Online PHP editor | output for qncPC

@ 2014-03-20T10:54:58Z

<?php
$html = <<<HTML
    <form action="blabla.php" method=post>

    <input type="text" name="campaign" disabled="">  
    <input type="text" name="id" value="this-is-what-i-am-trying-to-extract">

    </form>
HTML;


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

$xpath = new DOMXPath($dom);

$tags = $xpath->query('//input');
foreach ($tags as $tag) {
    $b = $tag->hasAttribute('disabled') ? true : false;
    echo $tag->getAttribute('name')." is disabled:".$b;
}

Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: campaign is disabled:1id is disabled:
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.9: Fatal error: Cannot instantiate non-existent class: domdocument in /in/qncPC on line 12
Process exited with code 255.
Output for 4.4.2: Fatal error: Cannot instantiate non-existent class: domdocument in /in/qncPC on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Cannot instantiate non-existent class: domdocument in /in/qncPC on line 12

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