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Description
Extracts part of an XML document using an XPath expression.Syntax
XPath(xml_string, xpath_string[, cache_xml_doc[, namespaces[, decode_xml]]])
Arguments
xml_string - string expression representing a well-formed XML. xpath_string - string expression representing an XPath expression. cache_xml_doc (optional) - boolean flag cache last xml doc (better performance when using the function multiple times on the same XML doc). True by default. namespaces (optional)- (string) an xml element that defines namespaces for the XPath engine to use. e.g.<root xmlns:h="http://www.w3.org/TR/html4/" xmlns:f="https://www.w3schools.com/furniture"/>
decode_xml (optional) - boolean flag that defines if XML entities should be decoded. True by default.
Examples
XPath('<customer><firstname>John</firstname><lastname>Doe</lastname></customer>','/customer/firstname')returns: John