How can one ensure that an XML document is well-formed before attempting to parse it in PHP?

To ensure that an XML document is well-formed before attempting to parse it in PHP, you can use the `simplexml_load_string()` function to check if the XML is valid. This function will throw an exception if the XML is not well-formed. By catching this exception, you can handle any errors before proceeding with parsing the XML. 

$xml = '<root><child></root>'; // Example XML with missing closing tag

try {
    $xmlObject = simplexml_load_string($xml);
    // Proceed with parsing the XML if it is well-formed
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
    // Handle the error, such as logging it or displaying a message to the user
}

Keywords

XML well-formed validation parsing PHP

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