How to Parse XML with Namespace Colons in PHP SimpleXML?

Parsing XML with Namespace Colons in PHP

SimpleXML encounters difficulties when parsing XML containing tags with colons, such as XML elements with prefixed namespaces. This issue arises because SimpleXML is unable to handle XML structures that deviate from the default namespace.

Solution

To overcome this limitation, use the children() method with the true argument to specify that the child elements should be parsed in the specified namespace. For example:

$xml = simplexml_load_string($xmlString);

// Parse 'em' element within 'xhtml' namespace
$em = $xml->children('xhtml', true)->div->em;

// Parse 'date' element in the default namespace
$date = $xml->children('xhtml', true)->div->children()->date;

This technique ensures that elements inside a namespace can be accessed by traversing the XML tree and switching namespaces using the children() method.

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