Extracted from Pike v7.8 release 866 at 2016-11-06.
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Parser
Parser.XML
Parser.XML.Tree
Parser.XML.Tree.AbstractSimpleNode

Methods
 `[]()
 add_child()
 add_child_after()
 add_child_before()
 clone()
 count_children()
 get_children()
 get_descendants()
 get_last_child()
 iterate_children()
 low_clone()
 remove_child()
 replace_child()
 replace_children()
 walk_inorder()
 walk_postorder()
 walk_preorder()
 walk_preorder_2()
 zap_tree()
previousParser.XML.Tree.AbstractSimpleNode()->replace_children()
Parser.XML.Tree.AbstractSimpleNode()->walk_postorder()next

Method Parser.XML.Tree.AbstractSimpleNode()->walk_inorder()

Method walk_inorder

int walk_inorder(function(AbstractSimpleNode:int|void) callback, mixed ... args)

Description

Traverse the node subtree in inorder, left subtree first, then root node, and finally the remaining subtrees, calling the function callback for every node. If the function callback returns STOP_WALK the traverse is promptly aborted and STOP_WALK is returned.