(PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8)
xml_set_start_namespace_decl_handler — Set up start namespace declaration handler
Set a handler to be called when a namespace is declared. Namespace declarations occur inside start tags. But the namespace declaration start handler is called before the start tag handler for each namespace declared in that start tag.
parser
The XML parser.
handler
If null
or an empty string is passed, the handler is reset to its default state.
If handler
is a callable,
the callable is set as the handler.
If handler
is a string,
it can be the name of a method of an object set with
xml_set_object().
The signature of the handler must be:
parser
prefix
false
if no prefix exists.
uri
Always returns true
.