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Parser Errors

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Ilhan Yumer edited this page May 16, 2022 · 4 revisions

A html5 document with errors can still be parsed and a DOM can be returned. Errors do not stop parsing. They are recorded as parser errors and the parser continues parsing. Some malformed html will cause parser errors and return a DOM looking different than you expect.

If there are errors they are available on the returned DOM as an array on the errors property. For example:

$html = <<< 'HERE'
<html>
  <head>
    <title>test</title>
  </head>
  <body>
    <p>This is a test of the HTML5 parser.</p>
  </body>
</html>
HERE;

$html5 = new HTML5();
$dom = $html5->loadHTML($html);
print_r($html5->getErrors());

Will produce the error:

Array
(
    [0] => Line 0, Col 0: No DOCTYPE specified.
)

Note: This parser is not a validating parser. To validate markup try the w3 validator.

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