Php tree structure solution

The php tree structure wants to implement a list of tree structures. data (root nodes and subnodes) are read from the database, and charts are displayed on the nodes. I don't know how to do this, so I am in a rush. Thank you ., $ Node = array (& quot; data & quot; = data, & quot; child & quot; = subnode, & quo php tree structure
To implement a list of tree structures, data (root nodes and sub-nodes) is read from the database, and charts are displayed on the nodes. you don't know how to do this, so you are in a rush. Thank you.

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$ Node = array ("data" = data, "child" = subnode, "brother" = sibling node)

Binary Tree
$ Node = array ("data" = data, "lchild" = left node, "rchild" = right node)

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The implementation function you mentioned seems to be JS. Find Jtree. js to transfer data from xml. You can study it.
I didn't understand what you said.
PHP + xml + JS can implement your things. Then you can store the xml code in the database.
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I made one. you can check it in my blog.

Http://blog.csdn.net/guosheng1987/archive/2008/09/04/2881562.aspx
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It is recommended to use javascript. There are many search results in goole, which can be used in combination with php.