xpath_eval
(PHP 4 >= 4.0.4, PECL)
xpath_eval --
Evaluates the XPath Location Path in the given string
说明
class
XPathContext {
XPathObject
xpath_eval ( string xpath_expression [, domnode contextnode] )
}XPathObject
xpath_eval ( XPathContext xpath_context, string xpath_expression [, domnode contextnode] )
The optional contextnode can be specified for doing relative XPath queries.
See also xpath_new_context().