How can PHP developers validate XML documents against XSD using DOMDocument?

To validate XML documents against XSD using DOMDocument in PHP, developers can load the XML document and XSD schema into separate DOMDocument objects, then use the validate() method of the DOMDocument object representing the XML document to validate it against the XSD schema. 

$xml = new DOMDocument();
$xml->load('path/to/xml/file.xml');

$xsd = new DOMDocument();
$xsd->load('path/to/xsd/schema.xsd');

if ($xml->schemaValidate($xsd)) {
    echo 'XML is valid.';
} else {
    echo 'XML is invalid.';
}

Keywords

PHP XML XSD DOMDocument validation

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